/* * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License */ package com.android.internal.policy; import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM; import static android.content.res.Configuration.ORIENTATION_PORTRAIT; import static android.os.Build.VERSION_CODES.M; import static android.os.Build.VERSION_CODES.N; import static android.view.InsetsState.clearsCompatInsets; import static android.view.View.MeasureSpec.AT_MOST; import static android.view.View.MeasureSpec.EXACTLY; import static android.view.View.MeasureSpec.getMode; import static android.view.ViewGroup.LayoutParams.MATCH_PARENT; import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT; import static android.view.WindowInsetsController.APPEARANCE_FORCE_LIGHT_NAVIGATION_BARS; import static android.view.WindowInsetsController.APPEARANCE_LIGHT_NAVIGATION_BARS; import static android.view.WindowInsetsController.APPEARANCE_LIGHT_STATUS_BARS; import static android.view.WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS; import static android.view.WindowManager.LayoutParams.FLAG_FULLSCREEN; import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR; import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN; import static android.view.WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION; import static android.view.WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS; import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD; import static com.android.internal.policy.PhoneWindow.FEATURE_OPTIONS_PANEL; import android.animation.Animator; import android.animation.AnimatorListenerAdapter; import android.animation.ObjectAnimator; import android.annotation.Nullable; import android.annotation.TestApi; import android.app.WindowConfiguration; import android.compat.annotation.UnsupportedAppUsage; import android.content.Context; import android.content.res.Configuration; import android.content.res.Resources; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Insets; import android.graphics.Outline; import android.graphics.Paint; import android.graphics.PixelFormat; import android.graphics.RecordingCanvas; import android.graphics.Rect; import android.graphics.Region; import android.graphics.drawable.ColorDrawable; import android.graphics.drawable.Drawable; import android.graphics.drawable.InsetDrawable; import android.graphics.drawable.LayerDrawable; import android.util.DisplayMetrics; import android.util.Log; import android.util.Pair; import android.util.TypedValue; import android.view.ActionMode; import android.view.ContextThemeWrapper; import android.view.Gravity; import android.view.InputQueue; import android.view.KeyEvent; import android.view.KeyboardShortcutGroup; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.view.PendingInsetsController; import android.view.View; import android.view.ViewGroup; import android.view.ViewOutlineProvider; import android.view.ViewRootImpl; import android.view.ViewStub; import android.view.ViewTreeObserver; import android.view.Window; import android.view.WindowCallbacks; import android.view.WindowInsets; import android.view.WindowInsets.Type.InsetsType; import android.view.WindowInsetsController; import android.view.WindowInsetsController.Appearance; import android.view.WindowManager; import android.view.accessibility.AccessibilityEvent; import android.view.accessibility.AccessibilityManager; import android.view.accessibility.AccessibilityNodeInfo; import android.view.animation.AnimationUtils; import android.view.animation.Interpolator; import android.widget.FrameLayout; import android.widget.PopupWindow; import com.android.internal.R; import com.android.internal.graphics.drawable.BackgroundBlurDrawable; import com.android.internal.policy.PhoneWindow.PanelFeatureState; import com.android.internal.policy.PhoneWindow.PhoneWindowMenuCallback; import com.android.internal.view.FloatingActionMode; import com.android.internal.view.RootViewSurfaceTaker; import com.android.internal.view.StandaloneActionMode; import com.android.internal.view.menu.ContextMenuBuilder; import com.android.internal.view.menu.MenuHelper; import com.android.internal.widget.ActionBarContextView; import com.android.internal.widget.BackgroundFallback; import com.android.internal.widget.floatingtoolbar.FloatingToolbar; import java.util.List; import java.util.function.Consumer; /** @hide */ public class DecorView extends FrameLayout implements RootViewSurfaceTaker, WindowCallbacks { private static final String TAG = "DecorView"; private static final boolean DEBUG_MEASURE = false; private static final boolean SWEEP_OPEN_MENU = false; // The height of a window which has focus in DIP. public static final int DECOR_SHADOW_FOCUSED_HEIGHT_IN_DIP = 20; // The height of a window which has not in DIP. public static final int DECOR_SHADOW_UNFOCUSED_HEIGHT_IN_DIP = 5; private static final int SCRIM_LIGHT = 0xe6ffffff; // 90% white private static final int SCRIM_ALPHA = 0xcc000000; // 80% alpha public static final ColorViewAttributes STATUS_BAR_COLOR_VIEW_ATTRIBUTES = new ColorViewAttributes(FLAG_TRANSLUCENT_STATUS, Gravity.TOP, Gravity.LEFT, Gravity.RIGHT, Window.STATUS_BAR_BACKGROUND_TRANSITION_NAME, com.android.internal.R.id.statusBarBackground, WindowInsets.Type.statusBars()); public static final ColorViewAttributes NAVIGATION_BAR_COLOR_VIEW_ATTRIBUTES = new ColorViewAttributes(FLAG_TRANSLUCENT_NAVIGATION, Gravity.BOTTOM, Gravity.RIGHT, Gravity.LEFT, Window.NAVIGATION_BAR_BACKGROUND_TRANSITION_NAME, com.android.internal.R.id.navigationBarBackground, WindowInsets.Type.navigationBars()); // This is used to workaround an issue where the PiP shadow can be transparent if the window // background is transparent private static final ViewOutlineProvider PIP_OUTLINE_PROVIDER = new ViewOutlineProvider() { @Override public void getOutline(View view, Outline outline) { outline.setRect(0, 0, view.getWidth(), view.getHeight()); outline.setAlpha(1f); } }; // Cludge to address b/22668382: Set the shadow size to the maximum so that the layer // size calculation takes the shadow size into account. We set the elevation currently // to max until the first layout command has been executed. private boolean mAllowUpdateElevation = false; private boolean mElevationAdjustedForStack = false; // Keeps track of the picture-in-picture mode for the view shadow private boolean mIsInPictureInPictureMode; // Stores the previous outline provider prior to applying PIP_OUTLINE_PROVIDER private ViewOutlineProvider mLastOutlineProvider; int mDefaultOpacity = PixelFormat.OPAQUE; /** The feature ID of the panel, or -1 if this is the application's DecorView */ private final int mFeatureId; private final Rect mDrawingBounds = new Rect(); private final Rect mBackgroundPadding = new Rect(); private final Rect mFramePadding = new Rect(); private final Rect mFrameOffsets = new Rect(); private boolean mChanging; private Drawable mMenuBackground; private boolean mWatchingForMenu; private int mDownY; ActionMode mPrimaryActionMode; private ActionMode mFloatingActionMode; private ActionBarContextView mPrimaryActionModeView; private PopupWindow mPrimaryActionModePopup; private Runnable mShowPrimaryActionModePopup; private ViewTreeObserver.OnPreDrawListener mFloatingToolbarPreDrawListener; private View mFloatingActionModeOriginatingView; private FloatingToolbar mFloatingToolbar; private ObjectAnimator mFadeAnim; // View added at runtime to draw under the status bar area private View mStatusGuard; private final ColorViewState mStatusColorViewState = new ColorViewState(STATUS_BAR_COLOR_VIEW_ATTRIBUTES); private final ColorViewState mNavigationColorViewState = new ColorViewState(NAVIGATION_BAR_COLOR_VIEW_ATTRIBUTES); private final Interpolator mShowInterpolator; private final Interpolator mHideInterpolator; private final int mBarEnterExitDuration; final boolean mForceWindowDrawsBarBackgrounds; private final int mSemiTransparentBarColor; private final BackgroundFallback mBackgroundFallback = new BackgroundFallback(); private int mLastTopInset = 0; @UnsupportedAppUsage private int mLastBottomInset = 0; @UnsupportedAppUsage private int mLastRightInset = 0; @UnsupportedAppUsage private int mLastLeftInset = 0; private boolean mLastHasTopStableInset = false; private boolean mLastHasBottomStableInset = false; private boolean mLastHasRightStableInset = false; private boolean mLastHasLeftStableInset = false; private int mLastWindowFlags = 0; private @InsetsType int mLastForceConsumingTypes = 0; private @InsetsType int mLastSuppressScrimTypes = 0; private int mRootScrollY = 0; @UnsupportedAppUsage private PhoneWindow mWindow; ViewGroup mContentRoot; private Rect mTempRect; private boolean mWindowResizeCallbacksAdded = false; private Drawable.Callback mLastBackgroundDrawableCb = null; private BackdropFrameRenderer mBackdropFrameRenderer = null; private Drawable mOriginalBackgroundDrawable; private Drawable mLastOriginalBackgroundDrawable; private Drawable mResizingBackgroundDrawable; private BackgroundBlurDrawable mBackgroundBlurDrawable; private BackgroundBlurDrawable mLastBackgroundBlurDrawable; /** * Temporary holder for a window background when it is set before {@link #mWindow} is * initialized. It will be set as the actual background once {@link #setWindow(PhoneWindow)} is * called. */ @Nullable private Drawable mPendingWindowBackground; private Drawable mCaptionBackgroundDrawable; private Drawable mUserCaptionBackgroundDrawable; String mLogTag = TAG; private final Rect mFloatingInsets = new Rect(); private boolean mApplyFloatingVerticalInsets = false; private boolean mApplyFloatingHorizontalInsets = false; private final Paint mLegacyNavigationBarBackgroundPaint = new Paint(); private Insets mBackgroundInsets = Insets.NONE; private Insets mLastBackgroundInsets = Insets.NONE; private boolean mDrawLegacyNavigationBarBackground; private boolean mDrawLegacyNavigationBarBackgroundHandled; private PendingInsetsController mPendingInsetsController = new PendingInsetsController(); private int mOriginalBackgroundBlurRadius = 0; private int mBackgroundBlurRadius = 0; private boolean mCrossWindowBlurEnabled; private final ViewTreeObserver.OnPreDrawListener mBackgroundBlurOnPreDrawListener = () -> { updateBackgroundBlurCorners(); return true; }; private Consumer mCrossWindowBlurEnabledListener; private final WearGestureInterceptionDetector mWearGestureInterceptionDetector; DecorView(Context context, int featureId, PhoneWindow window, WindowManager.LayoutParams params) { super(context); mFeatureId = featureId; mShowInterpolator = AnimationUtils.loadInterpolator(context, android.R.interpolator.linear_out_slow_in); mHideInterpolator = AnimationUtils.loadInterpolator(context, android.R.interpolator.fast_out_linear_in); mBarEnterExitDuration = context.getResources().getInteger( R.integer.dock_enter_exit_duration); mForceWindowDrawsBarBackgrounds = context.getResources().getBoolean( R.bool.config_forceWindowDrawsStatusBarBackground) && params.type != TYPE_INPUT_METHOD && context.getApplicationInfo().targetSdkVersion >= N; mSemiTransparentBarColor = context.getResources().getColor( R.color.system_bar_background_semi_transparent, null /* theme */); setWindow(window); updateLogTag(params); mLegacyNavigationBarBackgroundPaint.setColor(Color.BLACK); mWearGestureInterceptionDetector = WearGestureInterceptionDetector.isEnabled(context) ? new WearGestureInterceptionDetector(context, this) : null; } void setBackgroundFallback(@Nullable Drawable fallbackDrawable) { mBackgroundFallback.setDrawable(fallbackDrawable); setWillNotDraw(getBackground() == null && !mBackgroundFallback.hasFallback()); } @TestApi public @Nullable Drawable getBackgroundFallback() { return mBackgroundFallback.getDrawable(); } @Nullable View getStatusBarBackgroundView() { return mStatusColorViewState.view; } @Nullable View getNavigationBarBackgroundView() { return mNavigationColorViewState.view; } @Override public boolean gatherTransparentRegion(Region region) { boolean statusOpaque = gatherTransparentRegion(mStatusColorViewState, region); boolean navOpaque = gatherTransparentRegion(mNavigationColorViewState, region); boolean decorOpaque = super.gatherTransparentRegion(region); // combine bools after computation, so each method above always executes return statusOpaque || navOpaque || decorOpaque; } boolean gatherTransparentRegion(ColorViewState colorViewState, Region region) { if (colorViewState.view != null && colorViewState.visible && isResizing()) { // If a visible ColorViewState is in a resizing host DecorView, forcibly register its // opaque area, since it's drawn by a different root RenderNode. It would otherwise be // rejected by ViewGroup#gatherTransparentRegion() for the view not being VISIBLE. return colorViewState.view.gatherTransparentRegion(region); } return false; // no opaque area added } @Override public void onDraw(Canvas c) { super.onDraw(c); mBackgroundFallback.draw(this, mContentRoot, c, mWindow.mContentParent, mStatusColorViewState.view, mNavigationColorViewState.view); } @Override public boolean dispatchKeyEvent(KeyEvent event) { final int keyCode = event.getKeyCode(); final int action = event.getAction(); final boolean isDown = action == KeyEvent.ACTION_DOWN; if (isDown && (event.getRepeatCount() == 0)) { // First handle chording of panel key: if a panel key is held // but not released, try to execute a shortcut in it. if ((mWindow.mPanelChordingKey > 0) && (mWindow.mPanelChordingKey != keyCode)) { boolean handled = dispatchKeyShortcutEvent(event); if (handled) { return true; } } // If a panel is open, perform a shortcut on it without the // chorded panel key if ((mWindow.mPreparedPanel != null) && mWindow.mPreparedPanel.isOpen) { if (mWindow.performPanelShortcut(mWindow.mPreparedPanel, keyCode, event, 0)) { return true; } } } if (!mWindow.isDestroyed()) { final Window.Callback cb = mWindow.getCallback(); final boolean handled = cb != null && mFeatureId < 0 ? cb.dispatchKeyEvent(event) : super.dispatchKeyEvent(event); if (handled) { return true; } } return isDown ? mWindow.onKeyDown(mFeatureId, event.getKeyCode(), event) : mWindow.onKeyUp(mFeatureId, event.getKeyCode(), event); } @Override public boolean dispatchKeyShortcutEvent(KeyEvent ev) { // If the panel is already prepared, then perform the shortcut using it. boolean handled; if (mWindow.mPreparedPanel != null) { handled = mWindow.performPanelShortcut(mWindow.mPreparedPanel, ev.getKeyCode(), ev, Menu.FLAG_PERFORM_NO_CLOSE); if (handled) { if (mWindow.mPreparedPanel != null) { mWindow.mPreparedPanel.isHandled = true; } return true; } } // Shortcut not handled by the panel. Dispatch to the view hierarchy. final Window.Callback cb = mWindow.getCallback(); handled = cb != null && !mWindow.isDestroyed() && mFeatureId < 0 ? cb.dispatchKeyShortcutEvent(ev) : super.dispatchKeyShortcutEvent(ev); if (handled) { return true; } // If the panel is not prepared, then we may be trying to handle a shortcut key // combination such as Control+C. Temporarily prepare the panel then mark it // unprepared again when finished to ensure that the panel will again be prepared // the next time it is shown for real. PhoneWindow.PanelFeatureState st = mWindow.getPanelState(Window.FEATURE_OPTIONS_PANEL, false); if (st != null && mWindow.mPreparedPanel == null) { mWindow.preparePanel(st, ev); handled = mWindow.performPanelShortcut(st, ev.getKeyCode(), ev, Menu.FLAG_PERFORM_NO_CLOSE); st.isPrepared = false; if (handled) { return true; } } return false; } @Override public boolean dispatchTouchEvent(MotionEvent ev) { final Window.Callback cb = mWindow.getCallback(); return cb != null && !mWindow.isDestroyed() && mFeatureId < 0 ? cb.dispatchTouchEvent(ev) : super.dispatchTouchEvent(ev); } @Override public boolean dispatchTrackballEvent(MotionEvent ev) { final Window.Callback cb = mWindow.getCallback(); return cb != null && !mWindow.isDestroyed() && mFeatureId < 0 ? cb.dispatchTrackballEvent(ev) : super.dispatchTrackballEvent(ev); } @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) { final Window.Callback cb = mWindow.getCallback(); return cb != null && !mWindow.isDestroyed() && mFeatureId < 0 ? cb.dispatchGenericMotionEvent(ev) : super.dispatchGenericMotionEvent(ev); } public boolean superDispatchKeyEvent(KeyEvent event) { // Give priority to closing action modes if applicable. if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) { final int action = event.getAction(); // Back cancels action modes first. if (mPrimaryActionMode != null) { if (action == KeyEvent.ACTION_UP) { mPrimaryActionMode.finish(); } return true; } } if (super.dispatchKeyEvent(event)) { return true; } return (getViewRootImpl() != null) && getViewRootImpl().dispatchUnhandledKeyEvent(event); } public boolean superDispatchKeyShortcutEvent(KeyEvent event) { return super.dispatchKeyShortcutEvent(event); } public boolean superDispatchTouchEvent(MotionEvent event) { return super.dispatchTouchEvent(event); } public boolean superDispatchTrackballEvent(MotionEvent event) { return super.dispatchTrackballEvent(event); } public boolean superDispatchGenericMotionEvent(MotionEvent event) { return super.dispatchGenericMotionEvent(event); } @Override public boolean onTouchEvent(MotionEvent event) { return onInterceptTouchEvent(event); } private boolean isOutOfInnerBounds(int x, int y) { return x < 0 || y < 0 || x > getWidth() || y > getHeight(); } private boolean isOutOfBounds(int x, int y) { return x < -5 || y < -5 || x > (getWidth() + 5) || y > (getHeight() + 5); } @Override public boolean onInterceptTouchEvent(MotionEvent event) { int action = event.getAction(); if (mFeatureId >= 0) { if (action == MotionEvent.ACTION_DOWN) { int x = (int)event.getX(); int y = (int)event.getY(); if (isOutOfBounds(x, y)) { mWindow.closePanel(mFeatureId); return true; } } } ViewRootImpl viewRootImpl = getViewRootImpl(); if (viewRootImpl != null) { viewRootImpl.getOnBackInvokedDispatcher().onMotionEvent(event); // Intercept touch if back gesture is in progress. if (viewRootImpl.getOnBackInvokedDispatcher().isBackGestureInProgress()) { return true; } } if (viewRootImpl != null && mWearGestureInterceptionDetector != null) { boolean wasIntercepting = mWearGestureInterceptionDetector.isIntercepting(); boolean intercepting = mWearGestureInterceptionDetector.onInterceptTouchEvent(event); if (wasIntercepting != intercepting) { viewRootImpl.updateDecorViewGestureInterception(intercepting); } if (intercepting) { return true; } } if (!SWEEP_OPEN_MENU) { return false; } if (mFeatureId >= 0) { if (action == MotionEvent.ACTION_DOWN) { Log.i(mLogTag, "Watchiing!"); mWatchingForMenu = true; mDownY = (int) event.getY(); return false; } if (!mWatchingForMenu) { return false; } int y = (int)event.getY(); if (action == MotionEvent.ACTION_MOVE) { if (y > (mDownY+30)) { Log.i(mLogTag, "Closing!"); mWindow.closePanel(mFeatureId); mWatchingForMenu = false; return true; } } else if (action == MotionEvent.ACTION_UP) { mWatchingForMenu = false; } return false; } //Log.i(mLogTag, "Intercept: action=" + action + " y=" + event.getY() // + " (in " + getHeight() + ")"); if (action == MotionEvent.ACTION_DOWN) { int y = (int)event.getY(); if (y >= (getHeight()-5) && !mWindow.hasChildren()) { Log.i(mLogTag, "Watching!"); mWatchingForMenu = true; } return false; } if (!mWatchingForMenu) { return false; } int y = (int)event.getY(); if (action == MotionEvent.ACTION_MOVE) { if (y < (getHeight()-30)) { Log.i(mLogTag, "Opening!"); mWindow.openPanel(Window.FEATURE_OPTIONS_PANEL, new KeyEvent( KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MENU)); mWatchingForMenu = false; return true; } } else if (action == MotionEvent.ACTION_UP) { mWatchingForMenu = false; } return false; } @Override public void sendAccessibilityEvent(int eventType) { if (!AccessibilityManager.getInstance(mContext).isEnabled()) { return; } // if we are showing a feature that should be announced and one child // make this child the event source since this is the feature itself // otherwise the callback will take over and announce its client if ((mFeatureId == Window.FEATURE_OPTIONS_PANEL || mFeatureId == Window.FEATURE_CONTEXT_MENU || mFeatureId == Window.FEATURE_PROGRESS || mFeatureId == Window.FEATURE_INDETERMINATE_PROGRESS) && getChildCount() == 1) { getChildAt(0).sendAccessibilityEvent(eventType); } else { super.sendAccessibilityEvent(eventType); } } @Override public boolean dispatchPopulateAccessibilityEventInternal(AccessibilityEvent event) { final Window.Callback cb = mWindow.getCallback(); if (cb != null && !mWindow.isDestroyed()) { if (cb.dispatchPopulateAccessibilityEvent(event)) { return true; } } return super.dispatchPopulateAccessibilityEventInternal(event); } @Override protected boolean setFrame(int l, int t, int r, int b) { boolean changed = super.setFrame(l, t, r, b); if (changed) { final Rect drawingBounds = mDrawingBounds; getDrawingRect(drawingBounds); Drawable fg = getForeground(); if (fg != null) { final Rect frameOffsets = mFrameOffsets; drawingBounds.left += frameOffsets.left; drawingBounds.top += frameOffsets.top; drawingBounds.right -= frameOffsets.right; drawingBounds.bottom -= frameOffsets.bottom; fg.setBounds(drawingBounds); final Rect framePadding = mFramePadding; drawingBounds.left += framePadding.left - frameOffsets.left; drawingBounds.top += framePadding.top - frameOffsets.top; drawingBounds.right -= framePadding.right - frameOffsets.right; drawingBounds.bottom -= framePadding.bottom - frameOffsets.bottom; } // Need to call super here as we pretend to be having the original background. Drawable bg = super.getBackground(); if (bg != null) { bg.setBounds(drawingBounds); } if (SWEEP_OPEN_MENU) { if (mMenuBackground == null && mFeatureId < 0 && mWindow.getAttributes().height == WindowManager.LayoutParams.MATCH_PARENT) { mMenuBackground = getContext().getDrawable( R.drawable.menu_background); } if (mMenuBackground != null) { mMenuBackground.setBounds(drawingBounds.left, drawingBounds.bottom-6, drawingBounds.right, drawingBounds.bottom+20); } } } return changed; } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { final Resources res = getContext().getResources(); final DisplayMetrics metrics = res.getDisplayMetrics(); final boolean isPortrait = getResources().getConfiguration().orientation == ORIENTATION_PORTRAIT; final int widthMode = getMode(widthMeasureSpec); final int heightMode = getMode(heightMeasureSpec); boolean fixedWidth = false; mApplyFloatingHorizontalInsets = false; if (widthMode == AT_MOST) { final TypedValue tvw = isPortrait ? mWindow.mFixedWidthMinor : mWindow.mFixedWidthMajor; if (tvw != null && tvw.type != TypedValue.TYPE_NULL) { final int w; if (tvw.type == TypedValue.TYPE_DIMENSION) { w = (int) tvw.getDimension(metrics); } else if (tvw.type == TypedValue.TYPE_FRACTION) { w = (int) tvw.getFraction(metrics.widthPixels, metrics.widthPixels); } else { w = 0; } if (DEBUG_MEASURE) Log.d(mLogTag, "Fixed width: " + w); final int widthSize = MeasureSpec.getSize(widthMeasureSpec); if (w > 0) { widthMeasureSpec = MeasureSpec.makeMeasureSpec( Math.min(w, widthSize), EXACTLY); fixedWidth = true; } else { widthMeasureSpec = MeasureSpec.makeMeasureSpec( widthSize - mFloatingInsets.left - mFloatingInsets.right, AT_MOST); mApplyFloatingHorizontalInsets = true; } } } mApplyFloatingVerticalInsets = false; if (heightMode == AT_MOST) { final TypedValue tvh = isPortrait ? mWindow.mFixedHeightMajor : mWindow.mFixedHeightMinor; if (tvh != null && tvh.type != TypedValue.TYPE_NULL) { final int h; if (tvh.type == TypedValue.TYPE_DIMENSION) { h = (int) tvh.getDimension(metrics); } else if (tvh.type == TypedValue.TYPE_FRACTION) { h = (int) tvh.getFraction(metrics.heightPixels, metrics.heightPixels); } else { h = 0; } if (DEBUG_MEASURE) Log.d(mLogTag, "Fixed height: " + h); final int heightSize = MeasureSpec.getSize(heightMeasureSpec); if (h > 0) { heightMeasureSpec = MeasureSpec.makeMeasureSpec( Math.min(h, heightSize), EXACTLY); } else if ((mWindow.getAttributes().flags & FLAG_LAYOUT_IN_SCREEN) == 0) { heightMeasureSpec = MeasureSpec.makeMeasureSpec( heightSize - mFloatingInsets.top - mFloatingInsets.bottom, AT_MOST); mApplyFloatingVerticalInsets = true; } } } super.onMeasure(widthMeasureSpec, heightMeasureSpec); int width = getMeasuredWidth(); boolean measure = false; widthMeasureSpec = MeasureSpec.makeMeasureSpec(width, EXACTLY); if (!fixedWidth && widthMode == AT_MOST) { final TypedValue tv = isPortrait ? mWindow.mMinWidthMinor : mWindow.mMinWidthMajor; final float availableWidth = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, res.getConfiguration().screenWidthDp, metrics); if (tv.type != TypedValue.TYPE_NULL) { final int min; if (tv.type == TypedValue.TYPE_DIMENSION) { min = (int) tv.getDimension(metrics); } else if (tv.type == TypedValue.TYPE_FRACTION) { min = (int) tv.getFraction(availableWidth, availableWidth); } else { min = 0; } if (DEBUG_MEASURE) Log.d(mLogTag, "Adjust for min width: " + min + ", value::" + tv.coerceToString() + ", mAvailableWidth=" + availableWidth); if (width < min) { widthMeasureSpec = MeasureSpec.makeMeasureSpec(min, EXACTLY); measure = true; } } } // TODO: Support height? if (measure) { super.onMeasure(widthMeasureSpec, heightMeasureSpec); } } @Override protected void onLayout(boolean changed, int left, int top, int right, int bottom) { super.onLayout(changed, left, top, right, bottom); if (mApplyFloatingVerticalInsets) { offsetTopAndBottom(mFloatingInsets.top); } if (mApplyFloatingHorizontalInsets) { offsetLeftAndRight(mFloatingInsets.left); } // If the application changed its SystemUI metrics, we might also have to adapt // our shadow elevation. updateElevation(); mAllowUpdateElevation = true; if (changed && mDrawLegacyNavigationBarBackground) { getViewRootImpl().requestInvalidateRootRenderNode(); } } @Override public void draw(Canvas canvas) { super.draw(canvas); if (mMenuBackground != null) { mMenuBackground.draw(canvas); } } @Override public boolean showContextMenuForChild(View originalView) { return showContextMenuForChildInternal(originalView, Float.NaN, Float.NaN); } @Override public boolean showContextMenuForChild(View originalView, float x, float y) { return showContextMenuForChildInternal(originalView, x, y); } private boolean showContextMenuForChildInternal(View originalView, float x, float y) { // Only allow one context menu at a time. if (mWindow.mContextMenuHelper != null) { mWindow.mContextMenuHelper.dismiss(); mWindow.mContextMenuHelper = null; } // Reuse the context menu builder. final PhoneWindowMenuCallback callback = mWindow.mContextMenuCallback; if (mWindow.mContextMenu == null) { mWindow.mContextMenu = new ContextMenuBuilder(getContext()); mWindow.mContextMenu.setCallback(callback); } else { mWindow.mContextMenu.clearAll(); } final MenuHelper helper; final boolean isPopup = !Float.isNaN(x) && !Float.isNaN(y); if (isPopup) { helper = mWindow.mContextMenu.showPopup(getContext(), originalView, x, y); } else { helper = mWindow.mContextMenu.showDialog(originalView, originalView.getWindowToken()); } if (helper != null) { // If it's a dialog, the callback needs to handle showing // sub-menus. Either way, the callback is required for propagating // selection to Context.onContextMenuItemSelected(). callback.setShowDialogForSubmenu(!isPopup); helper.setPresenterCallback(callback); } mWindow.mContextMenuHelper = helper; return helper != null; } @Override public ActionMode startActionModeForChild(View originalView, ActionMode.Callback callback) { return startActionModeForChild(originalView, callback, ActionMode.TYPE_PRIMARY); } @Override public ActionMode startActionModeForChild( View child, ActionMode.Callback callback, int type) { return startActionMode(child, callback, type); } @Override public ActionMode startActionMode(ActionMode.Callback callback) { return startActionMode(callback, ActionMode.TYPE_PRIMARY); } @Override public ActionMode startActionMode(ActionMode.Callback callback, int type) { return startActionMode(this, callback, type); } private ActionMode startActionMode( View originatingView, ActionMode.Callback callback, int type) { ActionMode.Callback2 wrappedCallback = new ActionModeCallback2Wrapper(callback); ActionMode mode = null; if (mWindow.getCallback() != null && !mWindow.isDestroyed()) { try { mode = mWindow.getCallback().onWindowStartingActionMode(wrappedCallback, type); } catch (AbstractMethodError ame) { // Older apps might not implement the typed version of this method. if (type == ActionMode.TYPE_PRIMARY) { try { mode = mWindow.getCallback().onWindowStartingActionMode( wrappedCallback); } catch (AbstractMethodError ame2) { // Older apps might not implement this callback method at all. } } } } if (mode != null) { if (mode.getType() == ActionMode.TYPE_PRIMARY) { cleanupPrimaryActionMode(); mPrimaryActionMode = mode; } else if (mode.getType() == ActionMode.TYPE_FLOATING) { if (mFloatingActionMode != null) { mFloatingActionMode.finish(); } mFloatingActionMode = mode; } } else { mode = createActionMode(type, wrappedCallback, originatingView); if (mode != null && wrappedCallback.onCreateActionMode(mode, mode.getMenu())) { setHandledActionMode(mode); } else { mode = null; } } if (mode != null && mWindow.getCallback() != null && !mWindow.isDestroyed()) { try { mWindow.getCallback().onActionModeStarted(mode); } catch (AbstractMethodError ame) { // Older apps might not implement this callback method. } } return mode; } private void cleanupPrimaryActionMode() { if (mPrimaryActionMode != null) { mPrimaryActionMode.finish(); mPrimaryActionMode = null; } if (mPrimaryActionModeView != null) { mPrimaryActionModeView.killMode(); } } private void cleanupFloatingActionModeViews() { if (mFloatingToolbar != null) { mFloatingToolbar.dismiss(); mFloatingToolbar = null; } if (mFloatingActionModeOriginatingView != null) { if (mFloatingToolbarPreDrawListener != null) { mFloatingActionModeOriginatingView.getViewTreeObserver() .removeOnPreDrawListener(mFloatingToolbarPreDrawListener); mFloatingToolbarPreDrawListener = null; } mFloatingActionModeOriginatingView = null; } } void startChanging() { mChanging = true; } void finishChanging() { mChanging = false; drawableChanged(); } public void setWindowBackground(Drawable drawable) { if (mWindow == null) { mPendingWindowBackground = drawable; return; } if (mOriginalBackgroundDrawable != drawable) { mOriginalBackgroundDrawable = drawable; updateBackgroundDrawable(); if (mWindow.mEdgeToEdgeEnforced && !mWindow.mNavigationBarColorSpecified && drawable instanceof ColorDrawable) { final int color = ((ColorDrawable) drawable).getColor(); final boolean lightBar = Color.valueOf(color).luminance() > 0.5f; getWindowInsetsController().setSystemBarsAppearance( lightBar ? APPEARANCE_FORCE_LIGHT_NAVIGATION_BARS : 0, APPEARANCE_FORCE_LIGHT_NAVIGATION_BARS); mWindow.mNavigationBarColor = color; updateColorViews(null /* insets */, false /* animate */); } if (drawable != null) { mResizingBackgroundDrawable = enforceNonTranslucentBackground(drawable, mWindow.isTranslucent() || mWindow.isShowingWallpaper()); } else { mResizingBackgroundDrawable = getResizingBackgroundDrawable( mWindow.mBackgroundDrawable, mWindow.mBackgroundFallbackDrawable, mWindow.isTranslucent() || mWindow.isShowingWallpaper()); } if (mResizingBackgroundDrawable != null) { mResizingBackgroundDrawable.getPadding(mBackgroundPadding); } else { mBackgroundPadding.setEmpty(); } if (!View.sBrokenWindowBackground) { drawableChanged(); } } } @Override public void setBackgroundDrawable(Drawable background) { setWindowBackground(background); } public void setWindowFrame(Drawable drawable) { if (getForeground() != drawable) { setForeground(drawable); if (drawable != null) { drawable.getPadding(mFramePadding); } else { mFramePadding.setEmpty(); } drawableChanged(); } } @Override public void onWindowSystemUiVisibilityChanged(int visible) { updateColorViews(null /* insets */, true /* animate */); if (mStatusGuard != null && mStatusGuard.getVisibility() == VISIBLE) { updateStatusGuardColor(); } } @Override public void onSystemBarAppearanceChanged(@WindowInsetsController.Appearance int appearance) { updateColorViews(null /* insets */, true /* animate */); if (mWindow != null) { mWindow.dispatchOnSystemBarAppearanceChanged(appearance); } } @Override public WindowInsets onApplyWindowInsets(WindowInsets insets) { final WindowManager.LayoutParams attrs = mWindow.getAttributes(); mFloatingInsets.setEmpty(); if ((attrs.flags & FLAG_LAYOUT_IN_SCREEN) == 0) { // For dialog windows we want to make sure they don't go over the status bar or nav bar. // We consume the system insets and we will reuse them later during the measure phase. // We allow the app to ignore this and handle insets itself by using // FLAG_LAYOUT_IN_SCREEN. if (attrs.height == WindowManager.LayoutParams.WRAP_CONTENT) { mFloatingInsets.top = insets.getSystemWindowInsetTop(); mFloatingInsets.bottom = insets.getSystemWindowInsetBottom(); insets = insets.inset(0, insets.getSystemWindowInsetTop(), 0, insets.getSystemWindowInsetBottom()); } if (mWindow.getAttributes().width == WindowManager.LayoutParams.WRAP_CONTENT) { mFloatingInsets.left = insets.getSystemWindowInsetTop(); mFloatingInsets.right = insets.getSystemWindowInsetBottom(); insets = insets.inset(insets.getSystemWindowInsetLeft(), 0, insets.getSystemWindowInsetRight(), 0); } } mFrameOffsets.set(insets.getSystemWindowInsetsAsRect()); insets = updateColorViews(insets, true /* animate */); insets = updateStatusGuard(insets); if (getForeground() != null) { drawableChanged(); } return insets; } @Override public boolean isTransitionGroup() { return false; } public static boolean isNavBarToRightEdge(int bottomInset, int rightInset) { return bottomInset == 0 && rightInset > 0; } public static boolean isNavBarToLeftEdge(int bottomInset, int leftInset) { return bottomInset == 0 && leftInset > 0; } public static int getNavBarSize(int bottomInset, int rightInset, int leftInset) { return isNavBarToRightEdge(bottomInset, rightInset) ? rightInset : isNavBarToLeftEdge(bottomInset, leftInset) ? leftInset : bottomInset; } public static void getNavigationBarRect(int canvasWidth, int canvasHeight, Rect systemBarInsets, Rect outRect, float scale) { final int bottomInset = (int) (systemBarInsets.bottom * scale); final int leftInset = (int) (systemBarInsets.left * scale); final int rightInset = (int) (systemBarInsets.right * scale); final int size = getNavBarSize(bottomInset, rightInset, leftInset); if (isNavBarToRightEdge(bottomInset, rightInset)) { outRect.set(canvasWidth - size, 0, canvasWidth, canvasHeight); } else if (isNavBarToLeftEdge(bottomInset, leftInset)) { outRect.set(0, 0, size, canvasHeight); } else { outRect.set(0, canvasHeight - size, canvasWidth, canvasHeight); } } WindowInsets updateColorViews(WindowInsets insets, boolean animate) { WindowManager.LayoutParams attrs = mWindow.getAttributes(); int sysUiVisibility = attrs.systemUiVisibility | getWindowSystemUiVisibility(); final WindowInsetsController controller = getWindowInsetsController(); final @InsetsType int requestedVisibleTypes = controller.getRequestedVisibleTypes(); // IME is an exceptional floating window that requires color view. final boolean isImeWindow = mWindow.getAttributes().type == WindowManager.LayoutParams.TYPE_INPUT_METHOD; if (!mWindow.mIsFloating || isImeWindow) { boolean disallowAnimate = !isLaidOut(); disallowAnimate |= ((mLastWindowFlags ^ attrs.flags) & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0; mLastWindowFlags = attrs.flags; final ViewRootImpl viewRoot = getViewRootImpl(); final @Appearance int appearance = viewRoot != null ? viewRoot.mWindowAttributes.insetsFlags.appearance : controller.getSystemBarsAppearance(); if (insets != null) { mLastForceConsumingTypes = insets.getForceConsumingTypes(); final boolean clearsCompatInsets = clearsCompatInsets(attrs.type, attrs.flags, getResources().getConfiguration().windowConfiguration.getActivityType(), mLastForceConsumingTypes); final @InsetsType int compatInsetsTypes = WindowInsets.Type.systemBars() | WindowInsets.Type.displayCutout(); final Insets stableBarInsets = insets.getInsetsIgnoringVisibility( WindowInsets.Type.systemBars()); final Insets systemInsets = clearsCompatInsets ? Insets.NONE : Insets.min(insets.getInsets(compatInsetsTypes), stableBarInsets); mLastTopInset = systemInsets.top; mLastBottomInset = systemInsets.bottom; mLastRightInset = systemInsets.right; mLastLeftInset = systemInsets.left; // Don't animate if the presence of stable insets has changed, because that // indicates that the window was either just added and received them for the // first time, or the window size or position has changed. boolean hasTopStableInset = stableBarInsets.top != 0; disallowAnimate |= (hasTopStableInset != mLastHasTopStableInset); mLastHasTopStableInset = hasTopStableInset; boolean hasBottomStableInset = stableBarInsets.bottom != 0; disallowAnimate |= (hasBottomStableInset != mLastHasBottomStableInset); mLastHasBottomStableInset = hasBottomStableInset; boolean hasRightStableInset = stableBarInsets.right != 0; disallowAnimate |= (hasRightStableInset != mLastHasRightStableInset); mLastHasRightStableInset = hasRightStableInset; boolean hasLeftStableInset = stableBarInsets.left != 0; disallowAnimate |= (hasLeftStableInset != mLastHasLeftStableInset); mLastHasLeftStableInset = hasLeftStableInset; mLastSuppressScrimTypes = insets.getSuppressScrimTypes(); } boolean navBarToRightEdge = isNavBarToRightEdge(mLastBottomInset, mLastRightInset); boolean navBarToLeftEdge = isNavBarToLeftEdge(mLastBottomInset, mLastLeftInset); int navBarSize = getNavBarSize(mLastBottomInset, mLastRightInset, mLastLeftInset); updateColorViewInt(mNavigationColorViewState, calculateNavigationBarColor(appearance), mWindow.mNavigationBarDividerColor, navBarSize, navBarToRightEdge || navBarToLeftEdge, navBarToLeftEdge, 0 /* sideInset */, animate && !disallowAnimate, mForceWindowDrawsBarBackgrounds, requestedVisibleTypes); boolean oldDrawLegacy = mDrawLegacyNavigationBarBackground; mDrawLegacyNavigationBarBackground = ((requestedVisibleTypes | mLastForceConsumingTypes) & WindowInsets.Type.navigationBars()) != 0 && (mWindow.getAttributes().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0; if (oldDrawLegacy != mDrawLegacyNavigationBarBackground) { mDrawLegacyNavigationBarBackgroundHandled = mWindow.onDrawLegacyNavigationBarBackgroundChanged( mDrawLegacyNavigationBarBackground); if (viewRoot != null) { viewRoot.requestInvalidateRootRenderNode(); } } boolean statusBarNeedsRightInset = navBarToRightEdge && mNavigationColorViewState.present; boolean statusBarNeedsLeftInset = navBarToLeftEdge && mNavigationColorViewState.present; int statusBarSideInset = statusBarNeedsRightInset ? mLastRightInset : statusBarNeedsLeftInset ? mLastLeftInset : 0; int statusBarColor = calculateStatusBarColor(appearance); updateColorViewInt(mStatusColorViewState, statusBarColor, 0, mLastTopInset, false /* matchVertical */, statusBarNeedsLeftInset, statusBarSideInset, animate && !disallowAnimate, mForceWindowDrawsBarBackgrounds, requestedVisibleTypes); } // When we expand the window with FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS or // mForceWindowDrawsBarBackgrounds, we still need to ensure that the rest of the view // hierarchy doesn't notice it, unless they've explicitly asked for it. // // Note: We don't need to check for IN_SCREEN or INSET_DECOR because unlike the status bar, // these flags wouldn't make the window draw behind the navigation bar, unless // LAYOUT_HIDE_NAVIGATION was set. // // Note: Once the app uses the R+ Window.setDecorFitsSystemWindows(false) API we no longer // consume insets because they might no longer set SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION. boolean hideNavigation = (sysUiVisibility & SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0 || (requestedVisibleTypes & WindowInsets.Type.navigationBars()) == 0; boolean decorFitsSystemWindows = mWindow.mDecorFitsSystemWindows; boolean forceConsumingNavBar = ((mForceWindowDrawsBarBackgrounds || mDrawLegacyNavigationBarBackgroundHandled) && (attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0 && (sysUiVisibility & SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) == 0 && decorFitsSystemWindows && !hideNavigation) || ((mLastForceConsumingTypes & WindowInsets.Type.navigationBars()) != 0 && hideNavigation); boolean consumingNavBar = ((attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0 && (sysUiVisibility & SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) == 0 && decorFitsSystemWindows && !hideNavigation) || forceConsumingNavBar; // If we didn't request fullscreen layout, but we still got it because of the // mForceWindowDrawsBarBackgrounds flag, also consume top inset. // If we should always consume system bars, only consume that if the app wanted to go to // fullscreen, as otherwise we can expect the app to handle it. boolean fullscreen = (sysUiVisibility & SYSTEM_UI_FLAG_FULLSCREEN) != 0 || (attrs.flags & FLAG_FULLSCREEN) != 0 || (requestedVisibleTypes & WindowInsets.Type.statusBars()) == 0; boolean consumingStatusBar = ((sysUiVisibility & SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN) == 0 && decorFitsSystemWindows && (attrs.flags & FLAG_LAYOUT_IN_SCREEN) == 0 && (attrs.flags & FLAG_LAYOUT_INSET_DECOR) == 0 && mForceWindowDrawsBarBackgrounds && mLastTopInset != 0) || ((mLastForceConsumingTypes & WindowInsets.Type.statusBars()) != 0 && fullscreen); int consumedTop = consumingStatusBar ? mLastTopInset : 0; int consumedRight = consumingNavBar ? mLastRightInset : 0; int consumedBottom = consumingNavBar ? mLastBottomInset : 0; int consumedLeft = consumingNavBar ? mLastLeftInset : 0; if (mContentRoot != null && mContentRoot.getLayoutParams() instanceof MarginLayoutParams) { MarginLayoutParams lp = (MarginLayoutParams) mContentRoot.getLayoutParams(); if (lp.topMargin != consumedTop || lp.rightMargin != consumedRight || lp.bottomMargin != consumedBottom || lp.leftMargin != consumedLeft) { lp.topMargin = consumedTop; lp.rightMargin = consumedRight; lp.bottomMargin = consumedBottom; lp.leftMargin = consumedLeft; mContentRoot.setLayoutParams(lp); if (insets == null) { // The insets have changed, but we're not currently in the process // of dispatching them. requestApplyInsets(); } } if (insets != null) { insets = insets.inset(consumedLeft, consumedTop, consumedRight, consumedBottom); } } if (forceConsumingNavBar && !hideNavigation && !mDrawLegacyNavigationBarBackgroundHandled) { mBackgroundInsets = Insets.of(mLastLeftInset, 0, mLastRightInset, mLastBottomInset); } else { mBackgroundInsets = Insets.NONE; } updateBackgroundDrawable(); return insets; } /** * Updates the background drawable, applying padding to it in case we {@link #mBackgroundInsets} * are set. */ private void updateBackgroundDrawable() { // Background insets can be null if super constructor calls setBackgroundDrawable. if (mBackgroundInsets == null) { mBackgroundInsets = Insets.NONE; } if (mBackgroundInsets.equals(mLastBackgroundInsets) && mBackgroundBlurDrawable == mLastBackgroundBlurDrawable && mLastOriginalBackgroundDrawable == mOriginalBackgroundDrawable) { return; } Drawable destDrawable = mOriginalBackgroundDrawable; if (mBackgroundBlurDrawable != null) { destDrawable = new LayerDrawable(new Drawable[] {mBackgroundBlurDrawable, mOriginalBackgroundDrawable}); } if (destDrawable != null && !mBackgroundInsets.equals(Insets.NONE)) { destDrawable = new InsetDrawable(destDrawable, mBackgroundInsets.left, mBackgroundInsets.top, mBackgroundInsets.right, mBackgroundInsets.bottom) { /** * Return inner padding so we don't apply the padding again in * {@link DecorView#drawableChanged()} */ @Override public boolean getPadding(Rect padding) { return getDrawable().getPadding(padding); } }; } // Call super since we are intercepting setBackground on this class. super.setBackgroundDrawable(destDrawable); mLastBackgroundInsets = mBackgroundInsets; mLastBackgroundBlurDrawable = mBackgroundBlurDrawable; mLastOriginalBackgroundDrawable = mOriginalBackgroundDrawable; } private void updateBackgroundBlurCorners() { if (mBackgroundBlurDrawable == null) return; float cornerRadius = 0; // If the blur radius is 0, the blur region won't be sent to surface flinger, so we don't // need to calculate the corner radius. if (mBackgroundBlurRadius != 0 && mOriginalBackgroundDrawable != null) { final Outline outline = new Outline(); mOriginalBackgroundDrawable.getOutline(outline); cornerRadius = outline.mMode == Outline.MODE_ROUND_RECT ? outline.getRadius() : 0; } mBackgroundBlurDrawable.setCornerRadius(cornerRadius); } private void updateBackgroundBlurRadius() { if (getViewRootImpl() == null) return; mBackgroundBlurRadius = mCrossWindowBlurEnabled && mWindow.isTranslucent() ? mOriginalBackgroundBlurRadius : 0; if (mBackgroundBlurDrawable == null && mBackgroundBlurRadius > 0) { mBackgroundBlurDrawable = getViewRootImpl().createBackgroundBlurDrawable(); updateBackgroundDrawable(); } if (mBackgroundBlurDrawable != null) { mBackgroundBlurDrawable.setBlurRadius(mBackgroundBlurRadius); } } void setBackgroundBlurRadius(int blurRadius) { mOriginalBackgroundBlurRadius = blurRadius; if (blurRadius > 0) { if (mCrossWindowBlurEnabledListener == null) { mCrossWindowBlurEnabledListener = enabled -> { mCrossWindowBlurEnabled = enabled; updateBackgroundBlurRadius(); }; getContext().getSystemService(WindowManager.class) .addCrossWindowBlurEnabledListener(mCrossWindowBlurEnabledListener); getViewTreeObserver().addOnPreDrawListener(mBackgroundBlurOnPreDrawListener); } else { updateBackgroundBlurRadius(); } } else if (mCrossWindowBlurEnabledListener != null) { updateBackgroundBlurRadius(); removeBackgroundBlurDrawable(); } } void removeBackgroundBlurDrawable() { if (mCrossWindowBlurEnabledListener != null) { getContext().getSystemService(WindowManager.class) .removeCrossWindowBlurEnabledListener(mCrossWindowBlurEnabledListener); mCrossWindowBlurEnabledListener = null; } getViewTreeObserver().removeOnPreDrawListener(mBackgroundBlurOnPreDrawListener); mBackgroundBlurDrawable = null; updateBackgroundDrawable(); } @Override public Drawable getBackground() { return mOriginalBackgroundDrawable; } private int calculateStatusBarColor(@Appearance int appearance) { return calculateBarColor(mWindow.getAttributes().flags, FLAG_TRANSLUCENT_STATUS, mSemiTransparentBarColor, mWindow.mStatusBarColor, appearance, APPEARANCE_LIGHT_STATUS_BARS, mWindow.mEnsureStatusBarContrastWhenTransparent && (mLastSuppressScrimTypes & WindowInsets.Type.statusBars()) == 0, false /* movesBarColorToScrim */); } private int calculateNavigationBarColor(@Appearance int appearance) { return calculateBarColor(mWindow.getAttributes().flags, FLAG_TRANSLUCENT_NAVIGATION, mSemiTransparentBarColor, mWindow.mNavigationBarColor, appearance, APPEARANCE_LIGHT_NAVIGATION_BARS, mWindow.mEnsureNavigationBarContrastWhenTransparent && (mLastSuppressScrimTypes & WindowInsets.Type.navigationBars()) == 0, mWindow.mEdgeToEdgeEnforced); } public static int calculateBarColor(int flags, int translucentFlag, int semiTransparentBarColor, int barColor, @Appearance int appearance, @Appearance int lightAppearanceFlag, boolean ensuresContrast, boolean movesBarColorToScrim) { if ((flags & translucentFlag) != 0) { return semiTransparentBarColor; } else if ((flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) { return Color.BLACK; } else if (ensuresContrast) { final int alpha = Color.alpha(barColor); if (alpha == 0) { boolean light = (appearance & lightAppearanceFlag) != 0; return light ? SCRIM_LIGHT : semiTransparentBarColor; } else if (movesBarColorToScrim) { return (barColor & 0xffffff) | SCRIM_ALPHA; } } else if (movesBarColorToScrim) { return Color.TRANSPARENT; } return barColor; } private int getCurrentColor(ColorViewState state) { if (state.visible) { return state.color; } else { return 0; } } /** * Update a color view * * @param state the color view to update. * @param color the current color to apply. * @param dividerColor the current divider color to apply. * @param size the current size in the non-parent-matching dimension. * @param verticalBar if true the view is attached to a vertical edge, otherwise to a * horizontal edge, * @param sideMargin sideMargin for the color view. * @param animate if true, the change will be animated. */ private void updateColorViewInt(final ColorViewState state, int color, int dividerColor, int size, boolean verticalBar, boolean seascape, int sideMargin, boolean animate, boolean force, @InsetsType int requestedVisibleTypes) { final @InsetsType int type = state.attributes.insetsType; state.present = state.attributes.isPresent( (requestedVisibleTypes & type) != 0 || (mLastForceConsumingTypes & type) != 0, mWindow.getAttributes().flags, force); boolean show = state.attributes.isVisible(state.present, color, mWindow.getAttributes().flags, force); boolean showView = show && !isResizing() && size > 0; boolean visibilityChanged = false; View view = state.view; int resolvedHeight = verticalBar ? LayoutParams.MATCH_PARENT : size; int resolvedWidth = verticalBar ? size : LayoutParams.MATCH_PARENT; int resolvedGravity = verticalBar ? (seascape ? state.attributes.seascapeGravity : state.attributes.horizontalGravity) : state.attributes.verticalGravity; if (view == null) { if (showView) { state.view = view = new View(mContext); setColor(view, color, dividerColor, verticalBar, seascape); view.setTransitionName(state.attributes.transitionName); view.setId(state.attributes.id); visibilityChanged = true; view.setVisibility(INVISIBLE); state.targetVisibility = VISIBLE; LayoutParams lp = new LayoutParams(resolvedWidth, resolvedHeight, resolvedGravity); if (seascape) { lp.leftMargin = sideMargin; } else { lp.rightMargin = sideMargin; } addView(view, lp); updateColorViewTranslations(); } } else { int vis = showView ? VISIBLE : INVISIBLE; visibilityChanged = state.targetVisibility != vis; state.targetVisibility = vis; LayoutParams lp = (LayoutParams) view.getLayoutParams(); int rightMargin = seascape ? 0 : sideMargin; int leftMargin = seascape ? sideMargin : 0; if (lp.height != resolvedHeight || lp.width != resolvedWidth || lp.gravity != resolvedGravity || lp.rightMargin != rightMargin || lp.leftMargin != leftMargin) { lp.height = resolvedHeight; lp.width = resolvedWidth; lp.gravity = resolvedGravity; lp.rightMargin = rightMargin; lp.leftMargin = leftMargin; view.setLayoutParams(lp); } if (showView) { setColor(view, color, dividerColor, verticalBar, seascape); } } if (visibilityChanged) { view.animate().cancel(); if (animate && !isResizing()) { if (showView) { if (view.getVisibility() != VISIBLE) { view.setVisibility(VISIBLE); view.setAlpha(0.0f); } view.animate().alpha(1.0f).setInterpolator(mShowInterpolator). setDuration(mBarEnterExitDuration); } else { view.animate().alpha(0.0f).setInterpolator(mHideInterpolator) .setDuration(mBarEnterExitDuration) .withEndAction(new Runnable() { @Override public void run() { state.view.setAlpha(1.0f); state.view.setVisibility(INVISIBLE); } }); } } else { view.setAlpha(1.0f); view.setVisibility(showView ? VISIBLE : INVISIBLE); } } state.visible = show; state.color = color; } private static void setColor(View v, int color, int dividerColor, boolean verticalBar, boolean seascape) { if (dividerColor != 0) { final Pair dir = (Pair) v.getTag(); if (dir == null || dir.first != verticalBar || dir.second != seascape) { final int size = Math.round( TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 1, v.getContext().getResources().getDisplayMetrics())); // Use an inset to make the divider line on the side that faces the app. final InsetDrawable d = new InsetDrawable(new ColorDrawable(color), verticalBar && !seascape ? size : 0, !verticalBar ? size : 0, verticalBar && seascape ? size : 0, 0); v.setBackground(new LayerDrawable(new Drawable[] { new ColorDrawable(dividerColor), d })); v.setTag(new Pair<>(verticalBar, seascape)); } else { final LayerDrawable d = (LayerDrawable) v.getBackground(); final InsetDrawable inset = ((InsetDrawable) d.getDrawable(1)); ((ColorDrawable) inset.getDrawable()).setColor(color); ((ColorDrawable) d.getDrawable(0)).setColor(dividerColor); } } else { v.setTag(null); v.setBackgroundColor(color); } } private void updateColorViewTranslations() { // Put the color views back in place when they get moved off the screen // due to the the ViewRootImpl panning. int rootScrollY = mRootScrollY; if (mStatusColorViewState.view != null) { mStatusColorViewState.view.setTranslationY(rootScrollY > 0 ? rootScrollY : 0); } if (mNavigationColorViewState.view != null) { mNavigationColorViewState.view.setTranslationY(rootScrollY < 0 ? rootScrollY : 0); } } private WindowInsets updateStatusGuard(WindowInsets insets) { boolean showStatusGuard = false; // Show the status guard when the non-overlay contextual action bar is showing if (mPrimaryActionModeView != null) { if (mPrimaryActionModeView.getLayoutParams() instanceof MarginLayoutParams) { // Insets are magic! final MarginLayoutParams mlp = (MarginLayoutParams) mPrimaryActionModeView.getLayoutParams(); boolean mlpChanged = false; if (mPrimaryActionModeView.isShown()) { if (mTempRect == null) { mTempRect = new Rect(); } final Rect rect = mTempRect; // Apply the insets that have not been applied by the contentParent yet. WindowInsets innerInsets = mWindow.mContentParent.computeSystemWindowInsets(insets, rect); int newTopMargin = innerInsets.getSystemWindowInsetTop(); int newLeftMargin = innerInsets.getSystemWindowInsetLeft(); int newRightMargin = innerInsets.getSystemWindowInsetRight(); // Must use root window insets for the guard, because the color views consume // the navigation bar inset if the window does not request LAYOUT_HIDE_NAV - but // the status guard is attached at the root. WindowInsets rootInsets = getRootWindowInsets(); int newGuardLeftMargin = rootInsets.getSystemWindowInsetLeft(); int newGuardRightMargin = rootInsets.getSystemWindowInsetRight(); if (mlp.topMargin != newTopMargin || mlp.leftMargin != newLeftMargin || mlp.rightMargin != newRightMargin) { mlpChanged = true; mlp.topMargin = newTopMargin; mlp.leftMargin = newLeftMargin; mlp.rightMargin = newRightMargin; } if (newTopMargin > 0 && mStatusGuard == null) { mStatusGuard = new View(mContext); mStatusGuard.setVisibility(GONE); final LayoutParams lp = new LayoutParams(MATCH_PARENT, mlp.topMargin, Gravity.LEFT | Gravity.TOP); lp.leftMargin = newGuardLeftMargin; lp.rightMargin = newGuardRightMargin; addView(mStatusGuard, indexOfChild(mStatusColorViewState.view), lp); } else if (mStatusGuard != null) { final LayoutParams lp = (LayoutParams) mStatusGuard.getLayoutParams(); if (lp.height != mlp.topMargin || lp.leftMargin != newGuardLeftMargin || lp.rightMargin != newGuardRightMargin) { lp.height = mlp.topMargin; lp.leftMargin = newGuardLeftMargin; lp.rightMargin = newGuardRightMargin; mStatusGuard.setLayoutParams(lp); } } // The action mode's theme may differ from the app, so // always show the status guard above it if we have one. showStatusGuard = mStatusGuard != null; if (showStatusGuard && mStatusGuard.getVisibility() != VISIBLE) { // If it wasn't previously shown, the color may be stale updateStatusGuardColor(); } // We only need to consume the insets if the action // mode is overlaid on the app content (e.g. it's // sitting in a FrameLayout, see // screen_simple_overlay_action_mode.xml). final boolean nonOverlay = (mWindow.getLocalFeaturesPrivate() & (1 << Window.FEATURE_ACTION_MODE_OVERLAY)) == 0; if (nonOverlay && showStatusGuard) { insets = insets.inset(0, insets.getSystemWindowInsetTop(), 0, 0); } } else { // reset top margin if (mlp.topMargin != 0 || mlp.leftMargin != 0 || mlp.rightMargin != 0) { mlpChanged = true; mlp.topMargin = 0; } } if (mlpChanged) { mPrimaryActionModeView.setLayoutParams(mlp); } } } if (mStatusGuard != null) { mStatusGuard.setVisibility(showStatusGuard ? VISIBLE : GONE); } return insets; } private void updateStatusGuardColor() { boolean lightStatusBar = (getWindowSystemUiVisibility() & SYSTEM_UI_FLAG_LIGHT_STATUS_BAR) != 0; mStatusGuard.setBackgroundColor(lightStatusBar ? mContext.getColor(R.color.decor_view_status_guard_light) : mContext.getColor(R.color.decor_view_status_guard)); } /** * Overrides the view outline when the activity enters picture-in-picture to ensure that it has * an opaque shadow even if the window background is completely transparent. This only applies * to activities that are currently the task root. */ public void updatePictureInPictureOutlineProvider(boolean isInPictureInPictureMode) { if (mIsInPictureInPictureMode == isInPictureInPictureMode) { return; } if (isInPictureInPictureMode) { final Window.WindowControllerCallback callback = mWindow.getWindowControllerCallback(); if (callback != null && callback.isTaskRoot()) { // Call super implementation directly as we don't want to save the PIP outline // provider to be restored super.setOutlineProvider(PIP_OUTLINE_PROVIDER); } } else { // Restore the previous outline provider if (getOutlineProvider() != mLastOutlineProvider) { setOutlineProvider(mLastOutlineProvider); } } mIsInPictureInPictureMode = isInPictureInPictureMode; } @Override public void setOutlineProvider(ViewOutlineProvider provider) { super.setOutlineProvider(provider); // Save the outline provider set to ensure that we can restore when the activity leaves PiP mLastOutlineProvider = provider; } private void drawableChanged() { if (mChanging) { return; } // Fields can be null if super constructor calls setBackgroundDrawable. Rect framePadding = mFramePadding != null ? mFramePadding : new Rect(); Rect backgroundPadding = mBackgroundPadding != null ? mBackgroundPadding : new Rect(); setPadding(framePadding.left + backgroundPadding.left, framePadding.top + backgroundPadding.top, framePadding.right + backgroundPadding.right, framePadding.bottom + backgroundPadding.bottom); requestLayout(); invalidate(); int opacity = PixelFormat.OPAQUE; final WindowConfiguration winConfig = getResources().getConfiguration().windowConfiguration; final boolean renderShadowsInCompositor = mWindow.mRenderShadowsInCompositor; // If we draw shadows in the compositor we don't need to force the surface to be // translucent. if (winConfig.hasWindowShadow() && !renderShadowsInCompositor) { // If the window has a shadow, it must be translucent. opacity = PixelFormat.TRANSLUCENT; } else{ // Note: If there is no background, we will assume opaque. The // common case seems to be that an application sets there to be // no background so it can draw everything itself. For that, // we would like to assume OPAQUE and let the app force it to // the slower TRANSLUCENT mode if that is really what it wants. Drawable bg = getBackground(); Drawable fg = getForeground(); if (bg != null) { if (fg == null) { opacity = bg.getOpacity(); } else if (framePadding.left <= 0 && framePadding.top <= 0 && framePadding.right <= 0 && framePadding.bottom <= 0) { // If the frame padding is zero, then we can be opaque // if either the frame -or- the background is opaque. int fop = fg.getOpacity(); int bop = bg.getOpacity(); if (false) Log.v(mLogTag, "Background opacity: " + bop + ", Frame opacity: " + fop); if (fop == PixelFormat.OPAQUE || bop == PixelFormat.OPAQUE) { opacity = PixelFormat.OPAQUE; } else if (fop == PixelFormat.UNKNOWN) { opacity = bop; } else if (bop == PixelFormat.UNKNOWN) { opacity = fop; } else { opacity = Drawable.resolveOpacity(fop, bop); } } else { // For now we have to assume translucent if there is a // frame with padding... there is no way to tell if the // frame and background together will draw all pixels. if (false) Log.v(mLogTag, "Padding: " + mFramePadding); opacity = PixelFormat.TRANSLUCENT; } } if (false) Log.v(mLogTag, "Background: " + bg + ", Frame: " + fg); } if (false) Log.v(mLogTag, "Selected default opacity: " + opacity); mDefaultOpacity = opacity; if (mFeatureId < 0) { mWindow.setDefaultWindowFormat(opacity); } } @Override public void onWindowFocusChanged(boolean hasWindowFocus) { super.onWindowFocusChanged(hasWindowFocus); // If the user is chording a menu shortcut, release the chord since // this window lost focus if (mWindow.hasFeature(Window.FEATURE_OPTIONS_PANEL) && !hasWindowFocus && mWindow.mPanelChordingKey != 0) { mWindow.closePanel(Window.FEATURE_OPTIONS_PANEL); } final Window.Callback cb = mWindow.getCallback(); if (cb != null && !mWindow.isDestroyed() && mFeatureId < 0) { cb.onWindowFocusChanged(hasWindowFocus); } if (mPrimaryActionMode != null) { mPrimaryActionMode.onWindowFocusChanged(hasWindowFocus); } if (mFloatingActionMode != null) { mFloatingActionMode.onWindowFocusChanged(hasWindowFocus); } updateElevation(); } @Override protected void onAttachedToWindow() { super.onAttachedToWindow(); final Window.Callback cb = mWindow.getCallback(); if (cb != null && !mWindow.isDestroyed() && mFeatureId < 0) { cb.onAttachedToWindow(); } if (mFeatureId == -1) { /* * The main window has been attached, try to restore any panels * that may have been open before. This is called in cases where * an activity is being killed for configuration change and the * menu was open. When the activity is recreated, the menu * should be shown again. */ mWindow.openPanelsAfterRestore(); } if (!mWindowResizeCallbacksAdded) { // If there is no window callback installed there was no window set before. Set it now. // Note that our ViewRootImpl object will not change. getViewRootImpl().addWindowCallbacks(this); mWindowResizeCallbacksAdded = true; } else if (mBackdropFrameRenderer != null) { // We are resizing and this call happened due to a configuration change. Tell the // renderer about it. mBackdropFrameRenderer.onConfigurationChange(); } updateBackgroundBlurRadius(); mWindow.onViewRootImplSet(getViewRootImpl()); } @Override protected void onDetachedFromWindow() { super.onDetachedFromWindow(); final Window.Callback cb = mWindow.getCallback(); if (cb != null && mFeatureId < 0) { cb.onDetachedFromWindow(); } if (mWindow.mDecorContentParent != null) { mWindow.mDecorContentParent.dismissPopups(); } if (mPrimaryActionModePopup != null) { removeCallbacks(mShowPrimaryActionModePopup); if (mPrimaryActionModePopup.isShowing()) { mPrimaryActionModePopup.dismiss(); } mPrimaryActionModePopup = null; } if (mFloatingToolbar != null) { mFloatingToolbar.dismiss(); mFloatingToolbar = null; } removeBackgroundBlurDrawable(); PhoneWindow.PanelFeatureState st = mWindow.getPanelState(Window.FEATURE_OPTIONS_PANEL, false); if (st != null && st.menu != null && mFeatureId < 0) { st.menu.close(); } releaseThreadedRenderer(); if (mWindowResizeCallbacksAdded) { getViewRootImpl().removeWindowCallbacks(this); mWindowResizeCallbacksAdded = false; } mPendingInsetsController.detach(); } @Override public void onCloseSystemDialogs(String reason) { if (mFeatureId >= 0) { mWindow.closeAllPanels(); } } public android.view.SurfaceHolder.Callback2 willYouTakeTheSurface() { return mFeatureId < 0 ? mWindow.mTakeSurfaceCallback : null; } public InputQueue.Callback willYouTakeTheInputQueue() { return mFeatureId < 0 ? mWindow.mTakeInputQueueCallback : null; } public void setSurfaceType(int type) { mWindow.setType(type); } public void setSurfaceFormat(int format) { mWindow.setFormat(format); } public void setSurfaceKeepScreenOn(boolean keepOn) { if (keepOn) mWindow.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); else mWindow.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); } @Override public void onRootViewScrollYChanged(int rootScrollY) { mRootScrollY = rootScrollY; updateColorViewTranslations(); } @Override public PendingInsetsController providePendingInsetsController() { return mPendingInsetsController; } private ActionMode createActionMode( int type, ActionMode.Callback2 callback, View originatingView) { switch (type) { case ActionMode.TYPE_PRIMARY: default: return createStandaloneActionMode(callback); case ActionMode.TYPE_FLOATING: return createFloatingActionMode(originatingView, callback); } } private void setHandledActionMode(ActionMode mode) { if (mode.getType() == ActionMode.TYPE_PRIMARY) { setHandledPrimaryActionMode(mode); } else if (mode.getType() == ActionMode.TYPE_FLOATING) { setHandledFloatingActionMode(mode); } } private ActionMode createStandaloneActionMode(ActionMode.Callback callback) { endOnGoingFadeAnimation(); cleanupPrimaryActionMode(); // We want to create new mPrimaryActionModeView in two cases: if there is no existing // instance at all, or if there is one, but it is detached from window. The latter case // might happen when app is resized in multi-window mode and decor view is preserved // along with the main app window. Keeping mPrimaryActionModeView reference doesn't cause // app memory leaks because killMode() is called when the dismiss animation ends and from // cleanupPrimaryActionMode() invocation above. if (mPrimaryActionModeView == null || !mPrimaryActionModeView.isAttachedToWindow()) { if (mWindow.isFloating()) { // Use the action bar theme. final TypedValue outValue = new TypedValue(); final Resources.Theme baseTheme = mContext.getTheme(); baseTheme.resolveAttribute(R.attr.actionBarTheme, outValue, true); final Context actionBarContext; if (outValue.resourceId != 0) { final Resources.Theme actionBarTheme = mContext.getResources().newTheme(); actionBarTheme.setTo(baseTheme); actionBarTheme.applyStyle(outValue.resourceId, true); actionBarContext = new ContextThemeWrapper(mContext, 0); actionBarContext.getTheme().setTo(actionBarTheme); } else { actionBarContext = mContext; } mPrimaryActionModeView = new ActionBarContextView(actionBarContext); mPrimaryActionModePopup = new PopupWindow(actionBarContext, null, R.attr.actionModePopupWindowStyle); mPrimaryActionModePopup.setWindowLayoutType( WindowManager.LayoutParams.TYPE_APPLICATION); mPrimaryActionModePopup.setContentView(mPrimaryActionModeView); mPrimaryActionModePopup.setWidth(MATCH_PARENT); actionBarContext.getTheme().resolveAttribute( R.attr.actionBarSize, outValue, true); final int height = TypedValue.complexToDimensionPixelSize(outValue.data, actionBarContext.getResources().getDisplayMetrics()); mPrimaryActionModeView.setContentHeight(height); mPrimaryActionModePopup.setHeight(WRAP_CONTENT); mShowPrimaryActionModePopup = new Runnable() { public void run() { mPrimaryActionModePopup.showAtLocation( mPrimaryActionModeView.getApplicationWindowToken(), Gravity.TOP | Gravity.FILL_HORIZONTAL, 0, 0); endOnGoingFadeAnimation(); if (shouldAnimatePrimaryActionModeView()) { mFadeAnim = ObjectAnimator.ofFloat(mPrimaryActionModeView, View.ALPHA, 0f, 1f); mFadeAnim.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationStart(Animator animation) { mPrimaryActionModeView.setVisibility(VISIBLE); } @Override public void onAnimationEnd(Animator animation) { mPrimaryActionModeView.setAlpha(1f); mFadeAnim = null; } }); mFadeAnim.start(); } else { mPrimaryActionModeView.setAlpha(1f); mPrimaryActionModeView.setVisibility(VISIBLE); } } }; } else { ViewStub stub = findViewById(R.id.action_mode_bar_stub); if (stub != null) { mPrimaryActionModeView = (ActionBarContextView) stub.inflate(); mPrimaryActionModePopup = null; } } } if (mPrimaryActionModeView != null) { mPrimaryActionModeView.killMode(); ActionMode mode = new StandaloneActionMode( mPrimaryActionModeView.getContext(), mPrimaryActionModeView, callback, mPrimaryActionModePopup == null); return mode; } return null; } private void endOnGoingFadeAnimation() { if (mFadeAnim != null) { mFadeAnim.end(); } } private void setHandledPrimaryActionMode(ActionMode mode) { endOnGoingFadeAnimation(); mPrimaryActionMode = mode; mPrimaryActionMode.invalidate(); mPrimaryActionModeView.initForMode(mPrimaryActionMode); if (mPrimaryActionModePopup != null) { post(mShowPrimaryActionModePopup); } else { if (shouldAnimatePrimaryActionModeView()) { mFadeAnim = ObjectAnimator.ofFloat(mPrimaryActionModeView, View.ALPHA, 0f, 1f); mFadeAnim.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationStart(Animator animation) { mPrimaryActionModeView.setVisibility(View.VISIBLE); } @Override public void onAnimationEnd(Animator animation) { mPrimaryActionModeView.setAlpha(1f); mFadeAnim = null; } }); mFadeAnim.start(); } else { mPrimaryActionModeView.setAlpha(1f); mPrimaryActionModeView.setVisibility(View.VISIBLE); } } mPrimaryActionModeView.sendAccessibilityEvent( AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); } boolean shouldAnimatePrimaryActionModeView() { // We only to animate the action mode in if the decor has already been laid out. // If it hasn't been laid out, it hasn't been drawn to screen yet. return isLaidOut(); } private ActionMode createFloatingActionMode( View originatingView, ActionMode.Callback2 callback) { if (mFloatingActionMode != null) { mFloatingActionMode.finish(); } cleanupFloatingActionModeViews(); mFloatingToolbar = new FloatingToolbar(mWindow); final FloatingActionMode mode = new FloatingActionMode(mContext, callback, originatingView, mFloatingToolbar); mFloatingActionModeOriginatingView = originatingView; mFloatingToolbarPreDrawListener = new ViewTreeObserver.OnPreDrawListener() { @Override public boolean onPreDraw() { mode.updateViewLocationInWindow(); return true; } }; return mode; } private void setHandledFloatingActionMode(ActionMode mode) { mFloatingActionMode = mode; mFloatingActionMode.invalidate(); // Will show the floating toolbar if necessary. mFloatingActionModeOriginatingView.getViewTreeObserver() .addOnPreDrawListener(mFloatingToolbarPreDrawListener); } void setWindow(PhoneWindow phoneWindow) { mWindow = phoneWindow; Context context = getContext(); if (context instanceof DecorContext) { DecorContext decorContext = (DecorContext) context; decorContext.setPhoneWindow(mWindow); } if (mPendingWindowBackground != null) { Drawable background = mPendingWindowBackground; mPendingWindowBackground = null; setWindowBackground(background); } } @Override public Resources getResources() { // Make sure the Resources object is propogated from the Context since it can be updated in // the Context object. return getContext().getResources(); } @Override protected void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); initializeElevation(); ViewRootImpl viewRootImpl = getViewRootImpl(); if (viewRootImpl != null) { viewRootImpl.getOnBackInvokedDispatcher().onConfigurationChanged(newConfig); } } @Override public void onMovedToDisplay(int displayId, Configuration config) { super.onMovedToDisplay(displayId, config); // Have to explicitly update displayId because it may use DecorContext getContext().updateDisplay(displayId); } /** * Determines if the workspace is entirely covered by the window. * @return {@code true} when the window is filling the entire screen/workspace. **/ private boolean isFillingScreen(Configuration config) { final boolean isFullscreen = config.windowConfiguration.getWindowingMode() == WindowConfiguration.WINDOWING_MODE_FULLSCREEN; return isFullscreen && (0 != ((getWindowSystemUiVisibility() | getSystemUiVisibility()) & View.SYSTEM_UI_FLAG_FULLSCREEN)); } void onResourcesLoaded(LayoutInflater inflater, int layoutResource) { if (mBackdropFrameRenderer != null) { loadBackgroundDrawablesIfNeeded(); mBackdropFrameRenderer.onResourcesLoaded( this, mResizingBackgroundDrawable, mCaptionBackgroundDrawable, mUserCaptionBackgroundDrawable, getCurrentColor(mStatusColorViewState), getCurrentColor(mNavigationColorViewState)); } final View root = inflater.inflate(layoutResource, null); // Put it below the color views. addView(root, 0, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT)); mContentRoot = (ViewGroup) root; initializeElevation(); } private void loadBackgroundDrawablesIfNeeded() { if (mResizingBackgroundDrawable == null) { mResizingBackgroundDrawable = getResizingBackgroundDrawable(mWindow.mBackgroundDrawable, mWindow.mBackgroundFallbackDrawable, mWindow.isTranslucent() || mWindow.isShowingWallpaper()); if (mResizingBackgroundDrawable == null) { // We shouldn't really get here as the background fallback should be always // available since it is defaulted by the system. Log.w(mLogTag, "Failed to find background drawable for PhoneWindow=" + mWindow); } } if (mCaptionBackgroundDrawable == null) { mCaptionBackgroundDrawable = getContext().getDrawable( R.drawable.decor_caption_title_focused); } if (mResizingBackgroundDrawable != null) { mLastBackgroundDrawableCb = mResizingBackgroundDrawable.getCallback(); mResizingBackgroundDrawable.setCallback(null); } } /** * Returns the color used to fill areas the app has not rendered content to yet when the * user is resizing the window of an activity in multi-window mode. */ public static Drawable getResizingBackgroundDrawable(@Nullable Drawable backgroundDrawable, @Nullable Drawable fallbackDrawable, boolean windowTranslucent) { if (backgroundDrawable != null) { return enforceNonTranslucentBackground(backgroundDrawable, windowTranslucent); } if (fallbackDrawable != null) { return enforceNonTranslucentBackground(fallbackDrawable, windowTranslucent); } return new ColorDrawable(Color.BLACK); } /** * Enforces a drawable to be non-translucent to act as a background if needed, i.e. if the * window is not translucent. */ private static Drawable enforceNonTranslucentBackground(Drawable drawable, boolean windowTranslucent) { if (!windowTranslucent && drawable instanceof ColorDrawable) { ColorDrawable colorDrawable = (ColorDrawable) drawable; int color = colorDrawable.getColor(); if (Color.alpha(color) != 255) { ColorDrawable copy = (ColorDrawable) colorDrawable.getConstantState().newDrawable() .mutate(); copy.setColor( Color.argb(255, Color.red(color), Color.green(color), Color.blue(color))); return copy; } } return drawable; } void clearContentView() { for (int i = getChildCount() - 1; i >= 0; i--) { View v = getChildAt(i); if (v != mStatusColorViewState.view && v != mNavigationColorViewState.view && v != mStatusGuard) { removeViewAt(i); } } } @Override public void onWindowSizeIsChanging(Rect newBounds, boolean fullscreen, Rect systemInsets, Rect stableInsets) { if (mBackdropFrameRenderer != null) { mBackdropFrameRenderer.setTargetRect(newBounds, fullscreen, systemInsets); } } @Override public void onWindowDragResizeStart(Rect initialBounds, boolean fullscreen, Rect systemInsets, Rect stableInsets) { if (mWindow.isDestroyed()) { // If the owner's window is gone, we should not be able to come here anymore. releaseThreadedRenderer(); return; } if (mBackdropFrameRenderer != null) { return; } getViewRootImpl().requestInvalidateRootRenderNode(); } @Override public void onWindowDragResizeEnd() { releaseThreadedRenderer(); updateColorViews(null /* insets */, false); getViewRootImpl().requestInvalidateRootRenderNode(); } @Override public boolean onContentDrawn(int offsetX, int offsetY, int sizeX, int sizeY) { if (mBackdropFrameRenderer == null) { return false; } return mBackdropFrameRenderer.onContentDrawn(offsetX, offsetY, sizeX, sizeY); } @Override public void onRequestDraw(boolean reportNextDraw) { if (mBackdropFrameRenderer != null) { mBackdropFrameRenderer.onRequestDraw(reportNextDraw); } else if (reportNextDraw) { // If render thread is gone, just report immediately. if (isAttachedToWindow()) { getViewRootImpl().reportDrawFinish(); } } } @Override public void onPostDraw(RecordingCanvas canvas) { drawLegacyNavigationBarBackground(canvas); } private void drawLegacyNavigationBarBackground(RecordingCanvas canvas) { if (!mDrawLegacyNavigationBarBackground || mDrawLegacyNavigationBarBackgroundHandled) { return; } View v = mNavigationColorViewState.view; if (v == null) { return; } canvas.drawRect(v.getLeft(), v.getTop(), v.getRight(), v.getBottom(), mLegacyNavigationBarBackgroundPaint); } /** Release the renderer thread which is usually done when the user stops resizing. */ private void releaseThreadedRenderer() { if (mResizingBackgroundDrawable != null && mLastBackgroundDrawableCb != null) { mResizingBackgroundDrawable.setCallback(mLastBackgroundDrawableCb); mLastBackgroundDrawableCb = null; } if (mBackdropFrameRenderer != null) { mBackdropFrameRenderer.releaseRenderer(); mBackdropFrameRenderer = null; // Bring the shadow back. updateElevation(); } } private boolean isResizing() { return mBackdropFrameRenderer != null; } /** * The elevation gets set for the first time and the framework needs to be informed that * the surface layer gets created with the shadow size in mind. */ private void initializeElevation() { // TODO(skuhne): Call setMaxElevation here accordingly after b/22668382 got fixed. mAllowUpdateElevation = false; updateElevation(); } private void updateElevation() { final int windowingMode = getResources().getConfiguration().windowConfiguration.getWindowingMode(); final boolean renderShadowsInCompositor = mWindow.mRenderShadowsInCompositor; // If rendering shadows in the compositor, don't set an elevation on the view if (renderShadowsInCompositor) { return; } float elevation = 0; final boolean wasAdjustedForStack = mElevationAdjustedForStack; // Do not use a shadow when we are in resizing mode (mBackdropFrameRenderer not null) // since the shadow is bound to the content size and not the target size. if ((windowingMode == WINDOWING_MODE_FREEFORM) && !isResizing()) { elevation = hasWindowFocus() ? DECOR_SHADOW_FOCUSED_HEIGHT_IN_DIP : DECOR_SHADOW_UNFOCUSED_HEIGHT_IN_DIP; // Add a maximum shadow height value to the top level view. // Note that pinned stack doesn't have focus // so maximum shadow height adjustment isn't needed. // TODO(skuhne): Remove this if clause once b/22668382 got fixed. if (!mAllowUpdateElevation) { elevation = DECOR_SHADOW_FOCUSED_HEIGHT_IN_DIP; } // Convert the DP elevation into physical pixels. elevation = dipToPx(elevation); mElevationAdjustedForStack = true; } else { mElevationAdjustedForStack = false; } // Don't change the elevation if we didn't previously adjust it for the stack it was in // or it didn't change. if ((wasAdjustedForStack || mElevationAdjustedForStack) && getElevation() != elevation) { if (!isResizing()) { mWindow.setElevation(elevation); } else { // Just suppress the shadow when resizing, don't adjust surface insets because it'll // cause a flicker when drag resize for freeform window starts. #onContentDrawn() // will compensate the offset when passing to BackdropFrameRenderer. setElevation(elevation); } } } /** * Converts a DIP measure into physical pixels. * @param dip The dip value. * @return Returns the number of pixels. */ private float dipToPx(float dip) { return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dip, getResources().getDisplayMetrics()); } /** * Provide an override of the caption background drawable. */ void setUserCaptionBackgroundDrawable(Drawable drawable) { mUserCaptionBackgroundDrawable = drawable; if (mBackdropFrameRenderer != null) { mBackdropFrameRenderer.setUserCaptionBackgroundDrawable(drawable); } } private static String getTitleSuffix(WindowManager.LayoutParams params) { if (params == null) { return ""; } final String[] split = params.getTitle().toString().split("\\."); if (split.length > 0) { return split[split.length - 1]; } else { return ""; } } void updateLogTag(WindowManager.LayoutParams params) { mLogTag = TAG + "[" + getTitleSuffix(params) + "]"; } /** * @hide */ @Override public void requestKeyboardShortcuts(List list, int deviceId) { final PanelFeatureState st = mWindow.getPanelState(FEATURE_OPTIONS_PANEL, false); final Menu menu = st != null ? st.menu : null; if (!mWindow.isDestroyed() && mWindow.getCallback() != null) { mWindow.getCallback().onProvideKeyboardShortcuts(list, menu, deviceId); } } @Override public void dispatchPointerCaptureChanged(boolean hasCapture) { super.dispatchPointerCaptureChanged(hasCapture); if (!mWindow.isDestroyed() && mWindow.getCallback() != null) { mWindow.getCallback().onPointerCaptureChanged(hasCapture); } } @Override public int getAccessibilityViewId() { return AccessibilityNodeInfo.ROOT_ITEM_ID; } @Override public WindowInsetsController getWindowInsetsController() { if (isAttachedToWindow()) { return super.getWindowInsetsController(); } else { return mPendingInsetsController; } } @Override public String toString() { return super.toString() + "[" + getTitleSuffix(mWindow.getAttributes()) + "]"; } private static class ColorViewState { View view = null; int targetVisibility = View.INVISIBLE; boolean present = false; boolean visible; int color; final ColorViewAttributes attributes; ColorViewState(ColorViewAttributes attributes) { this.attributes = attributes; } } public static class ColorViewAttributes { final int id; final int translucentFlag; final int verticalGravity; final int horizontalGravity; final int seascapeGravity; final String transitionName; final @InsetsType int insetsType; private ColorViewAttributes(int translucentFlag, int verticalGravity, int horizontalGravity, int seascapeGravity, String transitionName, int id, @InsetsType int insetsType) { this.id = id; this.translucentFlag = translucentFlag; this.verticalGravity = verticalGravity; this.horizontalGravity = horizontalGravity; this.seascapeGravity = seascapeGravity; this.transitionName = transitionName; this.insetsType = insetsType; } public boolean isPresent(boolean requestedVisible, int windowFlags, boolean force) { return requestedVisible && ((windowFlags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0 || force); } public boolean isVisible(boolean present, int color, int windowFlags, boolean force) { return present && Color.alpha(color) != 0 && ((windowFlags & translucentFlag) == 0 || force); } public boolean isVisible(@InsetsType int requestedVisibleTypes, int color, int windowFlags, boolean force) { final boolean requestedVisible = (requestedVisibleTypes & insetsType) != 0; final boolean present = isPresent(requestedVisible, windowFlags, force); return isVisible(present, color, windowFlags, force); } } /** * Clears out internal references when the action mode is destroyed. */ private class ActionModeCallback2Wrapper extends ActionMode.Callback2 { private final ActionMode.Callback mWrapped; public ActionModeCallback2Wrapper(ActionMode.Callback wrapped) { mWrapped = wrapped; } public boolean onCreateActionMode(ActionMode mode, Menu menu) { return mWrapped.onCreateActionMode(mode, menu); } public boolean onPrepareActionMode(ActionMode mode, Menu menu) { requestFitSystemWindows(); return mWrapped.onPrepareActionMode(mode, menu); } public boolean onActionItemClicked(ActionMode mode, MenuItem item) { return mWrapped.onActionItemClicked(mode, item); } public void onDestroyActionMode(ActionMode mode) { mWrapped.onDestroyActionMode(mode); final boolean isMncApp = mContext.getApplicationInfo().targetSdkVersion >= M; final boolean isPrimary; final boolean isFloating; if (isMncApp) { isPrimary = mode == mPrimaryActionMode; isFloating = mode == mFloatingActionMode; if (!isPrimary && mode.getType() == ActionMode.TYPE_PRIMARY) { Log.e(mLogTag, "Destroying unexpected ActionMode instance of TYPE_PRIMARY; " + mode + " was not the current primary action mode! Expected " + mPrimaryActionMode); } if (!isFloating && mode.getType() == ActionMode.TYPE_FLOATING) { Log.e(mLogTag, "Destroying unexpected ActionMode instance of TYPE_FLOATING; " + mode + " was not the current floating action mode! Expected " + mFloatingActionMode); } } else { isPrimary = mode.getType() == ActionMode.TYPE_PRIMARY; isFloating = mode.getType() == ActionMode.TYPE_FLOATING; } if (isPrimary) { if (mPrimaryActionModePopup != null) { removeCallbacks(mShowPrimaryActionModePopup); } if (mPrimaryActionModeView != null) { endOnGoingFadeAnimation(); // Store action mode view reference, so we can access it safely when animation // ends. mPrimaryActionModePopup is set together with mPrimaryActionModeView, // so no need to store reference to it in separate variable. final ActionBarContextView lastActionModeView = mPrimaryActionModeView; mFadeAnim = ObjectAnimator.ofFloat(mPrimaryActionModeView, View.ALPHA, 1f, 0f); mFadeAnim.addListener(new Animator.AnimatorListener() { @Override public void onAnimationStart(Animator animation) { } @Override public void onAnimationEnd(Animator animation) { // If mPrimaryActionModeView has changed - it means that we've // cleared the content while preserving decor view. We don't // want to change the state of new instances accidentally here. if (lastActionModeView == mPrimaryActionModeView) { lastActionModeView.setVisibility(GONE); if (mPrimaryActionModePopup != null) { mPrimaryActionModePopup.dismiss(); } lastActionModeView.killMode(); mFadeAnim = null; requestApplyInsets(); } } @Override public void onAnimationCancel(Animator animation) { } @Override public void onAnimationRepeat(Animator animation) { } }); mFadeAnim.start(); } mPrimaryActionMode = null; } else if (isFloating) { cleanupFloatingActionModeViews(); mFloatingActionMode = null; } if (mWindow.getCallback() != null && !mWindow.isDestroyed()) { try { mWindow.getCallback().onActionModeFinished(mode); } catch (AbstractMethodError ame) { // Older apps might not implement this callback method. } } requestFitSystemWindows(); } @Override public void onGetContentRect(ActionMode mode, View view, Rect outRect) { if (mWrapped instanceof ActionMode.Callback2) { ((ActionMode.Callback2) mWrapped).onGetContentRect(mode, view, outRect); } else { super.onGetContentRect(mode, view, outRect); } } } }