/* * 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 com.android.internal.R; 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.DecorCaptionView; import com.android.internal.widget.FloatingToolbar; import java.util.List; import android.animation.Animator; import android.animation.AnimatorListenerAdapter; import android.animation.ObjectAnimator; import android.app.ActivityManager; 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.LinearGradient; import android.graphics.Paint; import android.graphics.PixelFormat; import android.graphics.Rect; import android.graphics.Region; import android.graphics.Shader; import android.graphics.drawable.ColorDrawable; import android.graphics.drawable.Drawable; import android.os.RemoteException; import android.util.DisplayMetrics; import android.util.Log; import android.util.TypedValue; import android.view.ActionMode; import android.view.ContextThemeWrapper; import android.view.DisplayListCanvas; 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.ThreadedRenderer; import android.view.View; import android.view.ViewGroup; import android.view.ViewStub; import android.view.ViewTreeObserver; import android.view.Window; import android.view.WindowCallbacks; import android.view.WindowInsets; import android.view.WindowManager; import android.view.accessibility.AccessibilityEvent; import android.view.accessibility.AccessibilityManager; import android.view.animation.AnimationUtils; import android.view.animation.Interpolator; import android.widget.FrameLayout; import android.widget.PopupWindow; import static android.app.ActivityManager.StackId; import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID; import static android.app.ActivityManager.StackId.PINNED_STACK_ID; import static android.app.ActivityManager.StackId.INVALID_STACK_ID; 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.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.Window.DECOR_CAPTION_SHADE_DARK; import static android.view.Window.DECOR_CAPTION_SHADE_LIGHT; 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_SHOW_WALLPAPER; 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_APPLICATION; import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION; import static com.android.internal.policy.PhoneWindow.FEATURE_OPTIONS_PANEL; /** @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. private final static int DECOR_SHADOW_FOCUSED_HEIGHT_IN_DIP = 20; // The height of a window which has not in DIP. private final static int DECOR_SHADOW_UNFOCUSED_HEIGHT_IN_DIP = 5; // 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; 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 mHasCaption = false; 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; // View added at runtime to draw under the navigation bar area private View mNavigationGuard; private final ColorViewState mStatusColorViewState = new ColorViewState( SYSTEM_UI_FLAG_FULLSCREEN, FLAG_TRANSLUCENT_STATUS, Gravity.TOP, Gravity.LEFT, Window.STATUS_BAR_BACKGROUND_TRANSITION_NAME, com.android.internal.R.id.statusBarBackground, FLAG_FULLSCREEN); private final ColorViewState mNavigationColorViewState = new ColorViewState( SYSTEM_UI_FLAG_HIDE_NAVIGATION, FLAG_TRANSLUCENT_NAVIGATION, Gravity.BOTTOM, Gravity.RIGHT, Window.NAVIGATION_BAR_BACKGROUND_TRANSITION_NAME, com.android.internal.R.id.navigationBarBackground, 0 /* hideWindowFlag */); private final Interpolator mShowInterpolator; private final Interpolator mHideInterpolator; private final int mBarEnterExitDuration; final boolean mForceWindowDrawsStatusBarBackground; private final int mSemiTransparentStatusBarColor; private final BackgroundFallback mBackgroundFallback = new BackgroundFallback(); private int mLastTopInset = 0; private int mLastBottomInset = 0; private int mLastRightInset = 0; private boolean mLastHasTopStableInset = false; private boolean mLastHasBottomStableInset = false; private boolean mLastHasRightStableInset = false; private int mLastWindowFlags = 0; private boolean mLastShouldAlwaysConsumeNavBar = false; private int mRootScrollY = 0; private PhoneWindow mWindow; ViewGroup mContentRoot; private Rect mTempRect; private Rect mOutsets = new Rect(); // This is the caption view for the window, containing the caption and window control // buttons. The visibility of this decor depends on the workspace and the window type. // If the window type does not require such a view, this member might be null. DecorCaptionView mDecorCaptionView; // Stack window is currently in. Since querying and changing the stack is expensive, // this is the stack value the window is currently set up for. int mStackId; private boolean mWindowResizeCallbacksAdded = false; private Drawable.Callback mLastBackgroundDrawableCb = null; private BackdropFrameRenderer mBackdropFrameRenderer = null; private Drawable mResizingBackgroundDrawable; private Drawable mCaptionBackgroundDrawable; private Drawable mUserCaptionBackgroundDrawable; private float mAvailableWidth; String mLogTag = TAG; private final Rect mFloatingInsets = new Rect(); private boolean mApplyFloatingVerticalInsets = false; private boolean mApplyFloatingHorizontalInsets = false; private int mResizeMode = RESIZE_MODE_INVALID; private final int mResizeShadowSize; private final Paint mVerticalResizeShadowPaint = new Paint(); private final Paint mHorizontalResizeShadowPaint = new Paint(); 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); mForceWindowDrawsStatusBarBackground = context.getResources().getBoolean( R.bool.config_forceWindowDrawsStatusBarBackground) && context.getApplicationInfo().targetSdkVersion >= N; mSemiTransparentStatusBarColor = context.getResources().getColor( R.color.system_bar_background_semi_transparent, null /* theme */); updateAvailableWidth(); setWindow(window); updateLogTag(params); mResizeShadowSize = context.getResources().getDimensionPixelSize( R.dimen.resize_shadow_size); initResizingPaints(); } void setBackgroundFallback(int resId) { mBackgroundFallback.setDrawable(resId != 0 ? getContext().getDrawable(resId) : null); setWillNotDraw(getBackground() == null && !mBackgroundFallback.hasFallback()); } @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(mContentRoot, c, mWindow.mContentParent); } @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; } } return super.dispatchKeyEvent(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 (mHasCaption && isShowingCaption()) { // Don't dispatch ACTION_DOWN to the captionr if the window is resizable and the event // was (starting) outside the window. Window resizing events should be handled by // WindowManager. // TODO: Investigate how to handle the outside touch in window manager // without generating these events. // Currently we receive these because we need to enlarge the window's // touch region so that the monitor channel receives the events // in the outside touch area. if (action == MotionEvent.ACTION_DOWN) { final int x = (int) event.getX(); final int y = (int) event.getY(); if (isOutOfInnerBounds(x, y)) { return true; } } } 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; } } } 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; } Drawable bg = 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 DisplayMetrics metrics = getContext().getResources().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; } } } getOutsets(mOutsets); if (mOutsets.top > 0 || mOutsets.bottom > 0) { int mode = MeasureSpec.getMode(heightMeasureSpec); if (mode != MeasureSpec.UNSPECIFIED) { int height = MeasureSpec.getSize(heightMeasureSpec); heightMeasureSpec = MeasureSpec.makeMeasureSpec( height + mOutsets.top + mOutsets.bottom, mode); } } if (mOutsets.left > 0 || mOutsets.right > 0) { int mode = MeasureSpec.getMode(widthMeasureSpec); if (mode != MeasureSpec.UNSPECIFIED) { int width = MeasureSpec.getSize(widthMeasureSpec); widthMeasureSpec = MeasureSpec.makeMeasureSpec( width + mOutsets.left + mOutsets.right, mode); } } 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; 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(mAvailableWidth, mAvailableWidth); } else { min = 0; } if (DEBUG_MEASURE) Log.d(mLogTag, "Adjust for min width: " + min + ", value::" + tv.coerceToString() + ", mAvailableWidth=" + mAvailableWidth); 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); getOutsets(mOutsets); if (mOutsets.left > 0) { offsetLeftAndRight(-mOutsets.left); } if (mOutsets.top > 0) { offsetTopAndBottom(-mOutsets.top); } 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 && mResizeMode == RESIZE_MODE_DOCKED_DIVIDER) { 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 (getBackground() != drawable) { setBackgroundDrawable(drawable); if (drawable != null) { mResizingBackgroundDrawable = enforceNonTranslucentBackground(drawable, mWindow.isTranslucent() || mWindow.isShowingWallpaper()); } else { mResizingBackgroundDrawable = getResizingBackgroundDrawable( getContext(), 0, mWindow.mBackgroundFallbackResource, mWindow.isTranslucent() || mWindow.isShowingWallpaper()); } if (mResizingBackgroundDrawable != null) { mResizingBackgroundDrawable.getPadding(mBackgroundPadding); } else { mBackgroundPadding.setEmpty(); } drawableChanged(); } } 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 */); } @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.replaceSystemWindowInsets(insets.getSystemWindowInsetLeft(), 0, insets.getSystemWindowInsetRight(), 0); } if (mWindow.getAttributes().width == WindowManager.LayoutParams.WRAP_CONTENT) { mFloatingInsets.left = insets.getSystemWindowInsetTop(); mFloatingInsets.right = insets.getSystemWindowInsetBottom(); insets = insets.replaceSystemWindowInsets(0, insets.getSystemWindowInsetTop(), 0, insets.getSystemWindowInsetBottom()); } } mFrameOffsets.set(insets.getSystemWindowInsets()); insets = updateColorViews(insets, true /* animate */); insets = updateStatusGuard(insets); updateNavigationGuard(insets); if (getForeground() != null) { drawableChanged(); } return insets; } @Override public boolean isTransitionGroup() { return false; } static int getColorViewTopInset(int stableTop, int systemTop) { return Math.min(stableTop, systemTop); } static int getColorViewBottomInset(int stableBottom, int systemBottom) { return Math.min(stableBottom, systemBottom); } static int getColorViewRightInset(int stableRight, int systemRight) { return Math.min(stableRight, systemRight); } static boolean isNavBarToRightEdge(int bottomInset, int rightInset) { return bottomInset == 0 && rightInset > 0; } static int getNavBarSize(int bottomInset, int rightInset) { return isNavBarToRightEdge(bottomInset, rightInset) ? rightInset : bottomInset; } WindowInsets updateColorViews(WindowInsets insets, boolean animate) { WindowManager.LayoutParams attrs = mWindow.getAttributes(); int sysUiVisibility = attrs.systemUiVisibility | getWindowSystemUiVisibility(); if (!mWindow.mIsFloating && ActivityManager.isHighEndGfx()) { boolean disallowAnimate = !isLaidOut(); disallowAnimate |= ((mLastWindowFlags ^ attrs.flags) & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0; mLastWindowFlags = attrs.flags; if (insets != null) { mLastTopInset = getColorViewTopInset(insets.getStableInsetTop(), insets.getSystemWindowInsetTop()); mLastBottomInset = getColorViewBottomInset(insets.getStableInsetBottom(), insets.getSystemWindowInsetBottom()); mLastRightInset = getColorViewRightInset(insets.getStableInsetRight(), insets.getSystemWindowInsetRight()); // 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 = insets.getStableInsetTop() != 0; disallowAnimate |= (hasTopStableInset != mLastHasTopStableInset); mLastHasTopStableInset = hasTopStableInset; boolean hasBottomStableInset = insets.getStableInsetBottom() != 0; disallowAnimate |= (hasBottomStableInset != mLastHasBottomStableInset); mLastHasBottomStableInset = hasBottomStableInset; boolean hasRightStableInset = insets.getStableInsetRight() != 0; disallowAnimate |= (hasRightStableInset != mLastHasRightStableInset); mLastHasRightStableInset = hasRightStableInset; mLastShouldAlwaysConsumeNavBar = insets.shouldAlwaysConsumeNavBar(); } boolean navBarToRightEdge = isNavBarToRightEdge(mLastBottomInset, mLastRightInset); int navBarSize = getNavBarSize(mLastBottomInset, mLastRightInset); updateColorViewInt(mNavigationColorViewState, sysUiVisibility, mWindow.mNavigationBarColor, navBarSize, navBarToRightEdge, 0 /* rightInset */, animate && !disallowAnimate, false /* force */); boolean statusBarNeedsRightInset = navBarToRightEdge && mNavigationColorViewState.present; int statusBarRightInset = statusBarNeedsRightInset ? mLastRightInset : 0; updateColorViewInt(mStatusColorViewState, sysUiVisibility, calculateStatusBarColor(), mLastTopInset, false /* matchVertical */, statusBarRightInset, animate && !disallowAnimate, mForceWindowDrawsStatusBarBackground); } // When we expand the window with FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS, we still need // to ensure that the rest of the view hierarchy doesn't notice it, unless they've // explicitly asked for it. boolean consumingNavBar = (attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0 && (sysUiVisibility & SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) == 0 && (sysUiVisibility & SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0 || mLastShouldAlwaysConsumeNavBar; // If we didn't request fullscreen layout, but we still got it because of the // mForceWindowDrawsStatusBarBackground flag, also consume top inset. boolean consumingStatusBar = (sysUiVisibility & SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN) == 0 && (sysUiVisibility & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0 && (attrs.flags & FLAG_LAYOUT_IN_SCREEN) == 0 && (attrs.flags & FLAG_LAYOUT_INSET_DECOR) == 0 && mForceWindowDrawsStatusBarBackground && mLastTopInset != 0; int consumedTop = consumingStatusBar ? mLastTopInset : 0; int consumedRight = consumingNavBar ? mLastRightInset : 0; int consumedBottom = consumingNavBar ? mLastBottomInset : 0; if (mContentRoot != null && mContentRoot.getLayoutParams() instanceof MarginLayoutParams) { MarginLayoutParams lp = (MarginLayoutParams) mContentRoot.getLayoutParams(); if (lp.topMargin != consumedTop || lp.rightMargin != consumedRight || lp.bottomMargin != consumedBottom) { lp.topMargin = consumedTop; lp.rightMargin = consumedRight; lp.bottomMargin = consumedBottom; 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.replaceSystemWindowInsets( insets.getSystemWindowInsetLeft(), insets.getSystemWindowInsetTop() - consumedTop, insets.getSystemWindowInsetRight() - consumedRight, insets.getSystemWindowInsetBottom() - consumedBottom); } } if (insets != null) { insets = insets.consumeStableInsets(); } return insets; } private int calculateStatusBarColor() { int flags = mWindow.getAttributes().flags; return (flags & FLAG_TRANSLUCENT_STATUS) != 0 ? mSemiTransparentStatusBarColor : (flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0 ? mWindow.mStatusBarColor : Color.BLACK; } 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 sysUiVis the current systemUiVisibility to apply. * @param color the current 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 rightMargin rightMargin for the color view. * @param animate if true, the change will be animated. */ private void updateColorViewInt(final ColorViewState state, int sysUiVis, int color, int size, boolean verticalBar, int rightMargin, boolean animate, boolean force) { state.present = (sysUiVis & state.systemUiHideFlag) == 0 && (mWindow.getAttributes().flags & state.hideWindowFlag) == 0 && ((mWindow.getAttributes().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0 || force); boolean show = state.present && (color & Color.BLACK) != 0 && ((mWindow.getAttributes().flags & state.translucentFlag) == 0 || 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 ? state.horizontalGravity : state.verticalGravity; if (view == null) { if (showView) { state.view = view = new View(mContext); view.setBackgroundColor(color); view.setTransitionName(state.transitionName); view.setId(state.id); visibilityChanged = true; view.setVisibility(INVISIBLE); state.targetVisibility = VISIBLE; LayoutParams lp = new LayoutParams(resolvedWidth, resolvedHeight, resolvedGravity); lp.rightMargin = rightMargin; addView(view, lp); updateColorViewTranslations(); } } else { int vis = showView ? VISIBLE : INVISIBLE; visibilityChanged = state.targetVisibility != vis; state.targetVisibility = vis; LayoutParams lp = (LayoutParams) view.getLayoutParams(); if (lp.height != resolvedHeight || lp.width != resolvedWidth || lp.gravity != resolvedGravity || lp.rightMargin != rightMargin) { lp.height = resolvedHeight; lp.width = resolvedWidth; lp.gravity = resolvedGravity; lp.rightMargin = rightMargin; view.setLayoutParams(lp); } if (showView) { view.setBackgroundColor(color); } } 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 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; // If the parent doesn't consume the insets, manually // apply the default system window insets. mWindow.mContentParent.computeSystemWindowInsets(insets, rect); final int newMargin = rect.top == 0 ? insets.getSystemWindowInsetTop() : 0; if (mlp.topMargin != newMargin) { mlpChanged = true; mlp.topMargin = insets.getSystemWindowInsetTop(); if (mStatusGuard == null) { mStatusGuard = new View(mContext); mStatusGuard.setBackgroundColor(mContext.getColor( R.color.input_method_navigation_guard)); addView(mStatusGuard, indexOfChild(mStatusColorViewState.view), new LayoutParams(LayoutParams.MATCH_PARENT, mlp.topMargin, Gravity.START | Gravity.TOP)); } else { final LayoutParams lp = (LayoutParams) mStatusGuard.getLayoutParams(); if (lp.height != mlp.topMargin) { lp.height = mlp.topMargin; 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; // 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; insets = insets.consumeSystemWindowInsets( false, nonOverlay && showStatusGuard /* top */, false, false); } else { // reset top margin if (mlp.topMargin != 0) { mlpChanged = true; mlp.topMargin = 0; } } if (mlpChanged) { mPrimaryActionModeView.setLayoutParams(mlp); } } } if (mStatusGuard != null) { mStatusGuard.setVisibility(showStatusGuard ? View.VISIBLE : View.GONE); } return insets; } private void updateNavigationGuard(WindowInsets insets) { // IMEs lay out below the nav bar, but the content view must not (for back compat) if (mWindow.getAttributes().type == WindowManager.LayoutParams.TYPE_INPUT_METHOD) { // prevent the content view from including the nav bar height if (mWindow.mContentParent != null) { if (mWindow.mContentParent.getLayoutParams() instanceof MarginLayoutParams) { MarginLayoutParams mlp = (MarginLayoutParams) mWindow.mContentParent.getLayoutParams(); mlp.bottomMargin = insets.getSystemWindowInsetBottom(); mWindow.mContentParent.setLayoutParams(mlp); } } // position the navigation guard view, creating it if necessary if (mNavigationGuard == null) { mNavigationGuard = new View(mContext); mNavigationGuard.setBackgroundColor(mContext.getColor( R.color.input_method_navigation_guard)); addView(mNavigationGuard, indexOfChild(mNavigationColorViewState.view), new LayoutParams(LayoutParams.MATCH_PARENT, insets.getSystemWindowInsetBottom(), Gravity.START | Gravity.BOTTOM)); } else { LayoutParams lp = (LayoutParams) mNavigationGuard.getLayoutParams(); lp.height = insets.getSystemWindowInsetBottom(); mNavigationGuard.setLayoutParams(lp); } updateNavigationGuardColor(); } } void updateNavigationGuardColor() { if (mNavigationGuard != null) { // Make navigation bar guard invisible if the transparent color is specified. // Only TRANSPARENT is sufficient for hiding the navigation bar if the no software // keyboard is shown by IMS. mNavigationGuard.setVisibility(mWindow.getNavigationBarColor() == Color.TRANSPARENT ? View.INVISIBLE : View.VISIBLE); } } private void drawableChanged() { if (mChanging) { return; } setPadding(mFramePadding.left + mBackgroundPadding.left, mFramePadding.top + mBackgroundPadding.top, mFramePadding.right + mBackgroundPadding.right, mFramePadding.bottom + mBackgroundPadding.bottom); requestLayout(); invalidate(); int opacity = PixelFormat.OPAQUE; if (StackId.hasWindowShadow(mStackId)) { // 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 (mFramePadding.left <= 0 && mFramePadding.top <= 0 && mFramePadding.right <= 0 && mFramePadding.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(); } } @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; } 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; } } @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(); } 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 = (ViewStub) 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(); final FloatingActionMode mode = new FloatingActionMode(mContext, callback, originatingView); mFloatingActionModeOriginatingView = originatingView; mFloatingToolbarPreDrawListener = new ViewTreeObserver.OnPreDrawListener() { @Override public boolean onPreDraw() { mode.updateViewLocationInWindow(); return true; } }; return mode; } private void setHandledFloatingActionMode(ActionMode mode) { mFloatingActionMode = mode; mFloatingToolbar = new FloatingToolbar(mContext, mWindow); ((FloatingActionMode) mFloatingActionMode).setFloatingToolbar(mFloatingToolbar); mFloatingActionMode.invalidate(); // Will show the floating toolbar if necessary. mFloatingActionModeOriginatingView.getViewTreeObserver() .addOnPreDrawListener(mFloatingToolbarPreDrawListener); } /** * Informs the decor if the caption is attached and visible. * @param attachedAndVisible true when the decor is visible. * Note that this will even be called if there is no caption. **/ void enableCaption(boolean attachedAndVisible) { if (mHasCaption != attachedAndVisible) { mHasCaption = attachedAndVisible; if (getForeground() != null) { drawableChanged(); } } } void setWindow(PhoneWindow phoneWindow) { mWindow = phoneWindow; Context context = getContext(); if (context instanceof DecorContext) { DecorContext decorContext = (DecorContext) context; decorContext.setPhoneWindow(mWindow); } } @Override protected void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); int workspaceId = getStackId(); if (mStackId != workspaceId) { mStackId = workspaceId; if (mDecorCaptionView == null && StackId.hasWindowDecor(mStackId)) { // Configuration now requires a caption. final LayoutInflater inflater = mWindow.getLayoutInflater(); mDecorCaptionView = createDecorCaptionView(inflater); if (mDecorCaptionView != null) { if (mDecorCaptionView.getParent() == null) { addView(mDecorCaptionView, 0, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT)); } removeView(mContentRoot); mDecorCaptionView.addView(mContentRoot, new ViewGroup.MarginLayoutParams(MATCH_PARENT, MATCH_PARENT)); } } else if (mDecorCaptionView != null) { // We might have to change the kind of surface before we do anything else. mDecorCaptionView.onConfigurationChanged(StackId.hasWindowDecor(mStackId)); enableCaption(StackId.hasWindowDecor(workspaceId)); } } updateAvailableWidth(); initializeElevation(); } void onResourcesLoaded(LayoutInflater inflater, int layoutResource) { mStackId = getStackId(); if (mBackdropFrameRenderer != null) { loadBackgroundDrawablesIfNeeded(); mBackdropFrameRenderer.onResourcesLoaded( this, mResizingBackgroundDrawable, mCaptionBackgroundDrawable, mUserCaptionBackgroundDrawable, getCurrentColor(mStatusColorViewState), getCurrentColor(mNavigationColorViewState)); } mDecorCaptionView = createDecorCaptionView(inflater); final View root = inflater.inflate(layoutResource, null); if (mDecorCaptionView != null) { if (mDecorCaptionView.getParent() == null) { addView(mDecorCaptionView, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT)); } mDecorCaptionView.addView(root, new ViewGroup.MarginLayoutParams(MATCH_PARENT, MATCH_PARENT)); } else { // 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(getContext(), mWindow.mBackgroundResource, mWindow.mBackgroundFallbackResource, 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); } } // Free floating overlapping windows require a caption. private DecorCaptionView createDecorCaptionView(LayoutInflater inflater) { DecorCaptionView decorCaptionView = null; for (int i = getChildCount() - 1; i >= 0 && decorCaptionView == null; i--) { View view = getChildAt(i); if (view instanceof DecorCaptionView) { // The decor was most likely saved from a relaunch - so reuse it. decorCaptionView = (DecorCaptionView) view; removeViewAt(i); } } final WindowManager.LayoutParams attrs = mWindow.getAttributes(); final boolean isApplication = attrs.type == TYPE_BASE_APPLICATION || attrs.type == TYPE_APPLICATION; // Only a non floating application window on one of the allowed workspaces can get a caption if (!mWindow.isFloating() && isApplication && StackId.hasWindowDecor(mStackId)) { // Dependent on the brightness of the used title we either use the // dark or the light button frame. if (decorCaptionView == null) { decorCaptionView = inflateDecorCaptionView(inflater); } decorCaptionView.setPhoneWindow(mWindow, true /*showDecor*/); } else { decorCaptionView = null; } // Tell the decor if it has a visible caption. enableCaption(decorCaptionView != null); return decorCaptionView; } private DecorCaptionView inflateDecorCaptionView(LayoutInflater inflater) { final Context context = getContext(); // We make a copy of the inflater, so it has the right context associated with it. inflater = inflater.from(context); final DecorCaptionView view = (DecorCaptionView) inflater.inflate(R.layout.decor_caption, null); setDecorCaptionShade(context, view); return view; } private void setDecorCaptionShade(Context context, DecorCaptionView view) { final int shade = mWindow.getDecorCaptionShade(); switch (shade) { case DECOR_CAPTION_SHADE_LIGHT: setLightDecorCaptionShade(view); break; case DECOR_CAPTION_SHADE_DARK: setDarkDecorCaptionShade(view); break; default: { TypedValue value = new TypedValue(); context.getTheme().resolveAttribute(R.attr.colorPrimary, value, true); // We invert the shade depending on brightness of the theme. Dark shade for light // theme and vice versa. Thanks to this the buttons should be visible on the // background. if (Color.luminance(value.data) < 0.5) { setLightDecorCaptionShade(view); } else { setDarkDecorCaptionShade(view); } break; } } } void updateDecorCaptionShade() { if (mDecorCaptionView != null) { setDecorCaptionShade(getContext(), mDecorCaptionView); } } private void setLightDecorCaptionShade(DecorCaptionView view) { view.findViewById(R.id.maximize_window).setBackgroundResource( R.drawable.decor_maximize_button_light); view.findViewById(R.id.close_window).setBackgroundResource( R.drawable.decor_close_button_light); } private void setDarkDecorCaptionShade(DecorCaptionView view) { view.findViewById(R.id.maximize_window).setBackgroundResource( R.drawable.decor_maximize_button_dark); view.findViewById(R.id.close_window).setBackgroundResource( R.drawable.decor_close_button_dark); } /** * 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(Context context, int backgroundRes, int backgroundFallbackRes, boolean windowTranslucent) { if (backgroundRes != 0) { final Drawable drawable = context.getDrawable(backgroundRes); if (drawable != null) { return enforceNonTranslucentBackground(drawable, windowTranslucent); } } if (backgroundFallbackRes != 0) { final Drawable fallbackDrawable = context.getDrawable(backgroundFallbackRes); 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; } /** * Returns the Id of the stack which contains this window. * Note that if no stack can be determined - which usually means that it was not * created for an activity - the fullscreen stack ID will be returned. * @return Returns the stack id which contains this window. **/ private int getStackId() { int workspaceId = INVALID_STACK_ID; final Window.WindowControllerCallback callback = mWindow.getWindowControllerCallback(); if (callback != null) { try { workspaceId = callback.getWindowStackId(); } catch (RemoteException ex) { Log.e(mLogTag, "Failed to get the workspace ID of a PhoneWindow."); } } if (workspaceId == INVALID_STACK_ID) { return FULLSCREEN_WORKSPACE_STACK_ID; } return workspaceId; } void clearContentView() { if (mDecorCaptionView != null) { mDecorCaptionView.removeContentView(); } else { // This window doesn't have caption, so we need to remove everything except our views // we might have added. for (int i = getChildCount() - 1; i >= 0; i--) { View v = getChildAt(i); if (v != mStatusColorViewState.view && v != mNavigationColorViewState.view && v != mStatusGuard && v != mNavigationGuard) { removeViewAt(i); } } } } @Override public void onWindowSizeIsChanging(Rect newBounds, boolean fullscreen, Rect systemInsets, Rect stableInsets) { if (mBackdropFrameRenderer != null) { mBackdropFrameRenderer.setTargetRect(newBounds, fullscreen, systemInsets, stableInsets); } } @Override public void onWindowDragResizeStart(Rect initialBounds, boolean fullscreen, Rect systemInsets, Rect stableInsets, int resizeMode) { 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; } final ThreadedRenderer renderer = getHardwareRenderer(); if (renderer != null) { loadBackgroundDrawablesIfNeeded(); mBackdropFrameRenderer = new BackdropFrameRenderer(this, renderer, initialBounds, mResizingBackgroundDrawable, mCaptionBackgroundDrawable, mUserCaptionBackgroundDrawable, getCurrentColor(mStatusColorViewState), getCurrentColor(mNavigationColorViewState), fullscreen, systemInsets, stableInsets, resizeMode); // Get rid of the shadow while we are resizing. Shadow drawing takes considerable time. // If we want to get the shadow shown while resizing, we would need to elevate a new // element which owns the caption and has the elevation. updateElevation(); updateColorViews(null /* insets */, false); } mResizeMode = resizeMode; getViewRootImpl().requestInvalidateRootRenderNode(); } @Override public void onWindowDragResizeEnd() { releaseThreadedRenderer(); updateColorViews(null /* insets */, false); mResizeMode = RESIZE_MODE_INVALID; 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(DisplayListCanvas canvas) { drawResizingShadowIfNeeded(canvas); } private void initResizingPaints() { final int startColor = mContext.getResources().getColor( R.color.resize_shadow_start_color, null); final int endColor = mContext.getResources().getColor( R.color.resize_shadow_end_color, null); final int middleColor = (startColor + endColor) / 2; mHorizontalResizeShadowPaint.setShader(new LinearGradient( 0, 0, 0, mResizeShadowSize, new int[] { startColor, middleColor, endColor }, new float[] { 0f, 0.3f, 1f }, Shader.TileMode.CLAMP)); mVerticalResizeShadowPaint.setShader(new LinearGradient( 0, 0, mResizeShadowSize, 0, new int[] { startColor, middleColor, endColor }, new float[] { 0f, 0.3f, 1f }, Shader.TileMode.CLAMP)); } private void drawResizingShadowIfNeeded(DisplayListCanvas canvas) { if (mResizeMode != RESIZE_MODE_DOCKED_DIVIDER || mWindow.mIsFloating || mWindow.isTranslucent() || mWindow.isShowingWallpaper()) { return; } canvas.save(); canvas.translate(0, getHeight() - mFrameOffsets.bottom); canvas.drawRect(0, 0, getWidth(), mResizeShadowSize, mHorizontalResizeShadowPaint); canvas.restore(); canvas.save(); canvas.translate(getWidth() - mFrameOffsets.right, 0); canvas.drawRect(0, 0, mResizeShadowSize, getHeight(), mVerticalResizeShadowPaint); canvas.restore(); } /** 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() { 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 (StackId.hasWindowShadow(mStackId) && !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 && mStackId != PINNED_STACK_ID) { 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) { mWindow.setElevation(elevation); } } boolean isShowingCaption() { return mDecorCaptionView != null && mDecorCaptionView.isCaptionShowing(); } int getCaptionHeight() { return isShowingCaption() ? mDecorCaptionView.getCaptionHeight() : 0; } /** * 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) + "]"; } private void updateAvailableWidth() { Resources res = getResources(); mAvailableWidth = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, res.getConfiguration().screenWidthDp, res.getDisplayMetrics()); } /** * @hide */ @Override public void requestKeyboardShortcuts(List list, int deviceId) { final PanelFeatureState st = mWindow.getPanelState(FEATURE_OPTIONS_PANEL, false); if (!mWindow.isDestroyed() && st != null && mWindow.getCallback() != null) { mWindow.getCallback().onProvideKeyboardShortcuts(list, st.menu, deviceId); } } @Override public String toString() { return "DecorView@" + Integer.toHexString(this.hashCode()) + "[" + getTitleSuffix(mWindow.getAttributes()) + "]"; } private static class ColorViewState { View view = null; int targetVisibility = View.INVISIBLE; boolean present = false; boolean visible; int color; final int id; final int systemUiHideFlag; final int translucentFlag; final int verticalGravity; final int horizontalGravity; final String transitionName; final int hideWindowFlag; ColorViewState(int systemUiHideFlag, int translucentFlag, int verticalGravity, int horizontalGravity, String transitionName, int id, int hideWindowFlag) { this.id = id; this.systemUiHideFlag = systemUiHideFlag; this.translucentFlag = translucentFlag; this.verticalGravity = verticalGravity; this.horizontalGravity = horizontalGravity; this.transitionName = transitionName; this.hideWindowFlag = hideWindowFlag; } } /** * 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; } } @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); } } } }