/* * Copyright (C) 2012 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.server.wm; import static android.app.ActivityManager.SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT; import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME; import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED; import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM; import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN; import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED; import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY; import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_BEHIND; import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSET; import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; import static android.content.res.Configuration.ORIENTATION_LANDSCAPE; import static android.content.res.Configuration.ORIENTATION_PORTRAIT; import static android.view.Display.DEFAULT_DISPLAY; import static android.view.Display.FLAG_PRIVATE; import static android.view.Surface.ROTATION_0; import static android.view.Surface.ROTATION_180; import static android.view.Surface.ROTATION_270; import static android.view.Surface.ROTATION_90; import static android.view.View.GONE; import static android.view.WindowManager.DOCKED_BOTTOM; import static android.view.WindowManager.DOCKED_INVALID; import static android.view.WindowManager.DOCKED_TOP; import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE; import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE; import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL; import static android.view.WindowManager.LayoutParams.FLAG_SECURE; import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER; import static android.view.WindowManager.LayoutParams.NEEDS_MENU_SET_TRUE; import static android.view.WindowManager.LayoutParams.NEEDS_MENU_UNSET; import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD; import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION; import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING; import static android.view.WindowManager.LayoutParams.TYPE_BOOT_PROGRESS; import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER; import static android.view.WindowManager.LayoutParams.TYPE_DRAWN_APPLICATION; import static android.view.WindowManager.LayoutParams.TYPE_DREAM; import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD; import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG; import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR; import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG; import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_ERROR; import static android.view.WindowManager.LayoutParams.TYPE_TOAST; import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER; import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM; import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_CONFIG; import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT; import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER; import static com.android.server.wm.utils.CoordinateTransforms.transformPhysicalToLogicalCoordinates; import static android.view.WindowManager.TRANSIT_KEYGUARD_UNOCCLUDE; import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ADD_REMOVE; import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_BOOT; import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_DISPLAY; import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_FOCUS; import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_FOCUS_LIGHT; import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_INPUT_METHOD; import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYOUT; import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYOUT_REPEATS; import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ORIENTATION; import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_SCREENSHOT; import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_SCREEN_ON; import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_STACK; import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_TOKEN_MOVEMENT; import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WALLPAPER; import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WALLPAPER_LIGHT; import static com.android.server.wm.WindowManagerDebugConfig.SHOW_STACK_CRAWLS; import static com.android.server.wm.WindowManagerDebugConfig.SHOW_TRANSACTIONS; import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME; import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; import static com.android.server.wm.WindowManagerService.CUSTOM_SCREEN_ROTATION; import static com.android.server.wm.WindowManagerService.H.SEND_NEW_CONFIGURATION; import static com.android.server.wm.WindowManagerService.H.UPDATE_DOCKED_STACK_DIVIDER; import static com.android.server.wm.WindowManagerService.H.WINDOW_HIDE_TIMEOUT; import static com.android.server.wm.WindowManagerService.LAYOUT_REPEAT_THRESHOLD; import static com.android.server.wm.WindowManagerService.MAX_ANIMATION_DURATION; import static com.android.server.wm.WindowManagerService.SEAMLESS_ROTATION_TIMEOUT_DURATION; import static com.android.server.wm.WindowManagerService.UPDATE_FOCUS_WILL_PLACE_SURFACES; import static com.android.server.wm.WindowManagerService.WINDOWS_FREEZING_SCREENS_ACTIVE; import static com.android.server.wm.WindowManagerService.WINDOWS_FREEZING_SCREENS_TIMEOUT; import static com.android.server.wm.WindowManagerService.WINDOW_FREEZE_TIMEOUT_DURATION; import static com.android.server.wm.WindowManagerService.dipToPixel; import static com.android.server.wm.WindowManagerService.logSurface; import static com.android.server.wm.WindowState.RESIZE_HANDLE_WIDTH_IN_DP; import static com.android.server.wm.WindowStateAnimator.DRAW_PENDING; import static com.android.server.wm.WindowStateAnimator.READY_TO_SHOW; import static com.android.server.wm.WindowSurfacePlacer.SET_WALLPAPER_MAY_CHANGE; import static com.android.server.wm.DisplayProto.ABOVE_APP_WINDOWS; import static com.android.server.wm.DisplayProto.BELOW_APP_WINDOWS; import static com.android.server.wm.DisplayProto.DISPLAY_FRAMES; import static com.android.server.wm.DisplayProto.DISPLAY_INFO; import static com.android.server.wm.DisplayProto.DOCKED_STACK_DIVIDER_CONTROLLER; import static com.android.server.wm.DisplayProto.DPI; import static com.android.server.wm.DisplayProto.ID; import static com.android.server.wm.DisplayProto.IME_WINDOWS; import static com.android.server.wm.DisplayProto.PINNED_STACK_CONTROLLER; import static com.android.server.wm.DisplayProto.ROTATION; import static com.android.server.wm.DisplayProto.SCREEN_ROTATION_ANIMATION; import static com.android.server.wm.DisplayProto.STACKS; import static com.android.server.wm.DisplayProto.WINDOW_CONTAINER; import android.annotation.CallSuper; import android.annotation.NonNull; import android.content.pm.PackageManager; import android.content.res.CompatibilityInfo; import android.content.res.Configuration; import android.graphics.Bitmap; import android.graphics.Matrix; import android.graphics.Path; import android.graphics.Rect; import android.graphics.RectF; import android.graphics.Region; import android.graphics.Region.Op; import android.hardware.display.DisplayManagerInternal; import android.os.Debug; import android.os.Handler; import android.os.IBinder; import android.os.RemoteException; import android.os.SystemClock; import android.os.Trace; import android.util.ArraySet; import android.util.DisplayMetrics; import android.util.Slog; import android.util.proto.ProtoOutputStream; import android.view.Display; import android.view.DisplayCutout; import android.view.DisplayInfo; import android.view.InputDevice; import android.view.MagnificationSpec; import android.view.Surface; import android.view.SurfaceControl; import android.view.SurfaceControl.Transaction; import android.view.SurfaceSession; import com.android.internal.annotations.VisibleForTesting; import com.android.internal.util.ToBooleanFunction; import com.android.internal.view.IInputMethodClient; import com.android.server.policy.WindowManagerPolicy; import com.android.server.wm.utils.RotationCache; import com.android.server.wm.utils.WmDisplayCutout; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Comparator; import java.util.HashMap; import java.util.Iterator; import java.util.LinkedList; import java.util.List; import java.util.Objects; import java.util.function.Consumer; import java.util.function.Predicate; /** * Utility class for keeping track of the WindowStates and other pertinent contents of a * particular Display. * * IMPORTANT: No method from this class should ever be used without holding * WindowManagerService.mWindowMap. */ class DisplayContent extends WindowContainer { private static final String TAG = TAG_WITH_CLASS_NAME ? "DisplayContent" : TAG_WM; /** Unique identifier of this stack. */ private final int mDisplayId; /** The containers below are the only child containers the display can have. */ // Contains all window containers that are related to apps (Activities) private final TaskStackContainers mTaskStackContainers = new TaskStackContainers(mService); // Contains all non-app window containers that should be displayed above the app containers // (e.g. Status bar) private final AboveAppWindowContainers mAboveAppWindowsContainers = new AboveAppWindowContainers("mAboveAppWindowsContainers", mService); // Contains all non-app window containers that should be displayed below the app containers // (e.g. Wallpaper). private final NonAppWindowContainers mBelowAppWindowsContainers = new NonAppWindowContainers("mBelowAppWindowsContainers", mService); // Contains all IME window containers. Note that the z-ordering of the IME windows will depend // on the IME target. We mainly have this container grouping so we can keep track of all the IME // window containers together and move them in-sync if/when needed. We use a subclass of // WindowContainer which is omitted from screen magnification, as the IME is never magnified. private final NonMagnifiableWindowContainers mImeWindowsContainers = new NonMagnifiableWindowContainers("mImeWindowsContainers", mService); private WindowState mTmpWindow; private WindowState mTmpWindow2; private WindowAnimator mTmpWindowAnimator; private boolean mTmpRecoveringMemory; private boolean mUpdateImeTarget; private boolean mTmpInitial; private int mMaxUiWidth; // Mapping from a token IBinder to a WindowToken object on this display. private final HashMap mTokenMap = new HashMap(); // Initial display metrics. int mInitialDisplayWidth = 0; int mInitialDisplayHeight = 0; int mInitialDisplayDensity = 0; DisplayCutout mInitialDisplayCutout; private final RotationCache mDisplayCutoutCache = new RotationCache<>(this::calculateDisplayCutoutForRotationUncached); /** * Overridden display size. Initialized with {@link #mInitialDisplayWidth} * and {@link #mInitialDisplayHeight}, but can be set via shell command "adb shell wm size". * @see WindowManagerService#setForcedDisplaySize(int, int, int) */ int mBaseDisplayWidth = 0; int mBaseDisplayHeight = 0; /** * Overridden display density for current user. Initialized with {@link #mInitialDisplayDensity} * but can be set from Settings or via shell command "adb shell wm density". * @see WindowManagerService#setForcedDisplayDensityForUser(int, int, int) */ int mBaseDisplayDensity = 0; boolean mDisplayScalingDisabled; private final DisplayInfo mDisplayInfo = new DisplayInfo(); private final Display mDisplay; private final DisplayMetrics mDisplayMetrics = new DisplayMetrics(); DisplayFrames mDisplayFrames; /** * For default display it contains real metrics, empty for others. * @see WindowManagerService#createWatermarkInTransaction() */ final DisplayMetrics mRealDisplayMetrics = new DisplayMetrics(); /** @see #computeCompatSmallestWidth(boolean, int, int, int, int) */ private final DisplayMetrics mTmpDisplayMetrics = new DisplayMetrics(); /** * Compat metrics computed based on {@link #mDisplayMetrics}. * @see #updateDisplayAndOrientation(int) */ private final DisplayMetrics mCompatDisplayMetrics = new DisplayMetrics(); /** The desired scaling factor for compatible apps. */ float mCompatibleScreenScale; /** * Current rotation of the display. * Constants as per {@link android.view.Surface.Rotation}. * * @see #updateRotationUnchecked() */ private int mRotation = 0; /** * Last applied orientation of the display. * Constants as per {@link android.content.pm.ActivityInfo.ScreenOrientation}. * * @see WindowManagerService#updateOrientationFromAppTokensLocked(boolean, int) */ private int mLastOrientation = SCREEN_ORIENTATION_UNSPECIFIED; /** * Flag indicating that the application is receiving an orientation that has different metrics * than it expected. E.g. Portrait instead of Landscape. * * @see #updateRotationUnchecked() */ private boolean mAltOrientation = false; /** * Orientation forced by some window. If there is no visible window that specifies orientation * it is set to {@link android.content.pm.ActivityInfo#SCREEN_ORIENTATION_UNSPECIFIED}. * * @see NonAppWindowContainers#getOrientation() */ private int mLastWindowForcedOrientation = SCREEN_ORIENTATION_UNSPECIFIED; /** * Last orientation forced by the keyguard. It is applied when keyguard is shown and is not * occluded. * * @see NonAppWindowContainers#getOrientation() */ private int mLastKeyguardForcedOrientation = SCREEN_ORIENTATION_UNSPECIFIED; /** * Keep track of wallpaper visibility to notify changes. */ private boolean mLastWallpaperVisible = false; private Rect mBaseDisplayRect = new Rect(); // Accessed directly by all users. private boolean mLayoutNeeded; int pendingLayoutChanges; // TODO(multi-display): remove some of the usages. boolean isDefaultDisplay; /** * Flag indicating whether WindowManager should override info for this display in * DisplayManager. */ boolean mShouldOverrideDisplayConfiguration = true; /** Window tokens that are in the process of exiting, but still on screen for animations. */ final ArrayList mExitingTokens = new ArrayList<>(); /** Detect user tapping outside of current focused task bounds .*/ TaskTapPointerEventListener mTapDetector; /** Detect user tapping outside of current focused stack bounds .*/ private Region mTouchExcludeRegion = new Region(); /** Save allocating when calculating rects */ private final Rect mTmpRect = new Rect(); private final Rect mTmpRect2 = new Rect(); private final RectF mTmpRectF = new RectF(); private final Matrix mTmpMatrix = new Matrix(); private final Region mTmpRegion = new Region(); /** Used for handing back size of display */ private final Rect mTmpBounds = new Rect(); /** Remove this display when animation on it has completed. */ private boolean mDeferredRemoval; final DockedStackDividerController mDividerControllerLocked; final PinnedStackController mPinnedStackControllerLocked; final ArrayList mTapExcludedWindows = new ArrayList<>(); /** A collection of windows that provide tap exclude regions inside of them. */ final ArraySet mTapExcludeProvidingWindows = new ArraySet<>(); private boolean mHaveBootMsg = false; private boolean mHaveApp = false; private boolean mHaveWallpaper = false; private boolean mHaveKeyguard = true; private final LinkedList mTmpUpdateAllDrawn = new LinkedList(); private final TaskForResizePointSearchResult mTmpTaskForResizePointSearchResult = new TaskForResizePointSearchResult(); private final ApplySurfaceChangesTransactionState mTmpApplySurfaceChangesTransactionState = new ApplySurfaceChangesTransactionState(); // True if this display is in the process of being removed. Used to determine if the removal of // the display's direct children should be allowed. private boolean mRemovingDisplay = false; // {@code false} if this display is in the processing of being created. private boolean mDisplayReady = false; WallpaperController mWallpaperController; private final SurfaceSession mSession = new SurfaceSession(); /** * We organize all top-level Surfaces in to the following layers. * mOverlayLayer contains a few Surfaces which are always on top of others * and omitted from Screen-Magnification, for example the strict mode flash or * the magnification overlay itself. * {@link #mWindowingLayer} contains everything else. */ private SurfaceControl mOverlayLayer; /** * See {@link #mOverlayLayer} */ private SurfaceControl mWindowingLayer; /** * Specifies the size of the surfaces in {@link #mOverlayLayer} and {@link #mWindowingLayer}. *

* For these surfaces currently we use a surface based on the larger of width or height so we * don't have to resize when rotating the display. */ private int mSurfaceSize; /** * Sequence number for the current layout pass. */ int mLayoutSeq = 0; /** * Specifies the count to determine whether to defer updating the IME target until ready. */ private int mDeferUpdateImeTargetCount; /** Temporary float array to retrieve 3x3 matrix values. */ private final float[] mTmpFloats = new float[9]; private MagnificationSpec mMagnificationSpec; private final Consumer mUpdateWindowsForAnimator = w -> { WindowStateAnimator winAnimator = w.mWinAnimator; final AppWindowToken atoken = w.mAppToken; if (winAnimator.mDrawState == READY_TO_SHOW) { if (atoken == null || atoken.allDrawn) { if (w.performShowLocked()) { pendingLayoutChanges |= FINISH_LAYOUT_REDO_ANIM; if (DEBUG_LAYOUT_REPEATS) { mService.mWindowPlacerLocked.debugLayoutRepeats( "updateWindowsAndWallpaperLocked 5", pendingLayoutChanges); } } } } }; private final Consumer mUpdateWallpaperForAnimator = w -> { final WindowStateAnimator winAnimator = w.mWinAnimator; if (winAnimator.mSurfaceController == null || !winAnimator.hasSurface()) { return; } final int flags = w.mAttrs.flags; // If this window is animating, make a note that we have an animating window and take // care of a request to run a detached wallpaper animation. if (winAnimator.isAnimationSet()) { final AnimationAdapter anim = w.getAnimation(); if (anim != null) { if ((flags & FLAG_SHOW_WALLPAPER) != 0 && anim.getDetachWallpaper()) { mTmpWindow = w; } final int color = anim.getBackgroundColor(); if (color != 0) { final TaskStack stack = w.getStack(); if (stack != null) { stack.setAnimationBackground(winAnimator, color); } } } } // If this window's app token is running a detached wallpaper animation, make a note so // we can ensure the wallpaper is displayed behind it. final AppWindowToken atoken = winAnimator.mWin.mAppToken; final AnimationAdapter animation = atoken != null ? atoken.getAnimation() : null; if (animation != null) { if ((flags & FLAG_SHOW_WALLPAPER) != 0 && animation.getDetachWallpaper()) { mTmpWindow = w; } final int color = animation.getBackgroundColor(); if (color != 0) { final TaskStack stack = w.getStack(); if (stack != null) { stack.setAnimationBackground(winAnimator, color); } } } }; private final Consumer mScheduleToastTimeout = w -> { final int lostFocusUid = mTmpWindow.mOwnerUid; final Handler handler = mService.mH; if (w.mAttrs.type == TYPE_TOAST && w.mOwnerUid == lostFocusUid) { if (!handler.hasMessages(WINDOW_HIDE_TIMEOUT, w)) { handler.sendMessageDelayed(handler.obtainMessage(WINDOW_HIDE_TIMEOUT, w), w.mAttrs.hideTimeoutMilliseconds); } } }; private final ToBooleanFunction mFindFocusedWindow = w -> { final AppWindowToken focusedApp = mService.mFocusedApp; if (DEBUG_FOCUS) Slog.v(TAG_WM, "Looking for focus: " + w + ", flags=" + w.mAttrs.flags + ", canReceive=" + w.canReceiveKeys()); if (!w.canReceiveKeys()) { return false; } final AppWindowToken wtoken = w.mAppToken; // If this window's application has been removed, just skip it. if (wtoken != null && (wtoken.removed || wtoken.sendingToBottom)) { if (DEBUG_FOCUS) Slog.v(TAG_WM, "Skipping " + wtoken + " because " + (wtoken.removed ? "removed" : "sendingToBottom")); return false; } if (focusedApp == null) { if (DEBUG_FOCUS_LIGHT) Slog.v(TAG_WM, "findFocusedWindow: focusedApp=null" + " using new focus @ " + w); mTmpWindow = w; return true; } if (!focusedApp.windowsAreFocusable()) { // Current focused app windows aren't focusable... if (DEBUG_FOCUS_LIGHT) Slog.v(TAG_WM, "findFocusedWindow: focusedApp windows not" + " focusable using new focus @ " + w); mTmpWindow = w; return true; } // Descend through all of the app tokens and find the first that either matches // win.mAppToken (return win) or mFocusedApp (return null). if (wtoken != null && w.mAttrs.type != TYPE_APPLICATION_STARTING) { if (focusedApp.compareTo(wtoken) > 0) { // App stack below focused app stack. No focus for you!!! if (DEBUG_FOCUS_LIGHT) Slog.v(TAG_WM, "findFocusedWindow: Reached focused app=" + focusedApp); mTmpWindow = null; return true; } } if (DEBUG_FOCUS_LIGHT) Slog.v(TAG_WM, "findFocusedWindow: Found new focus @ " + w); mTmpWindow = w; return true; }; private final Consumer mPerformLayout = w -> { // Don't do layout of a window if it is not visible, or soon won't be visible, to avoid // wasting time and funky changes while a window is animating away. final boolean gone = (mTmpWindow != null && mService.mPolicy.canBeHiddenByKeyguardLw(w)) || w.isGoneForLayoutLw(); if (DEBUG_LAYOUT && !w.mLayoutAttached) { Slog.v(TAG, "1ST PASS " + w + ": gone=" + gone + " mHaveFrame=" + w.mHaveFrame + " mLayoutAttached=" + w.mLayoutAttached + " screen changed=" + w.isConfigChanged()); final AppWindowToken atoken = w.mAppToken; if (gone) Slog.v(TAG, " GONE: mViewVisibility=" + w.mViewVisibility + " mRelayoutCalled=" + w.mRelayoutCalled + " hidden=" + w.mToken.isHidden() + " hiddenRequested=" + (atoken != null && atoken.hiddenRequested) + " parentHidden=" + w.isParentWindowHidden()); else Slog.v(TAG, " VIS: mViewVisibility=" + w.mViewVisibility + " mRelayoutCalled=" + w.mRelayoutCalled + " hidden=" + w.mToken.isHidden() + " hiddenRequested=" + (atoken != null && atoken.hiddenRequested) + " parentHidden=" + w.isParentWindowHidden()); } // If this view is GONE, then skip it -- keep the current frame, and let the caller know // so they can ignore it if they want. (We do the normal layout for INVISIBLE windows, // since that means "perform layout as normal, just don't display"). if (!gone || !w.mHaveFrame || w.mLayoutNeeded || ((w.isConfigChanged() || w.setReportResizeHints()) && !w.isGoneForLayoutLw() && ((w.mAttrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 || (w.mHasSurface && w.mAppToken != null && w.mAppToken.layoutConfigChanges)))) { if (!w.mLayoutAttached) { if (mTmpInitial) { //Slog.i(TAG, "Window " + this + " clearing mContentChanged - initial"); w.mContentChanged = false; } if (w.mAttrs.type == TYPE_DREAM) { // Don't layout windows behind a dream, so that if it does stuff like hide // the status bar we won't get a bad transition when it goes away. mTmpWindow = w; } w.mLayoutNeeded = false; w.prelayout(); final boolean firstLayout = !w.isLaidOut(); mService.mPolicy.layoutWindowLw(w, null, mDisplayFrames); w.mLayoutSeq = mLayoutSeq; // If this is the first layout, we need to initialize the last inset values as // otherwise we'd immediately cause an unnecessary resize. if (firstLayout) { w.updateLastInsetValues(); } if (w.mAppToken != null) { w.mAppToken.layoutLetterbox(w); } if (DEBUG_LAYOUT) Slog.v(TAG, " LAYOUT: mFrame=" + w.mFrame + " mContainingFrame=" + w.mContainingFrame + " mDisplayFrame=" + w.mDisplayFrame); } } }; private final Consumer mPerformLayoutAttached = w -> { if (w.mLayoutAttached) { if (DEBUG_LAYOUT) Slog.v(TAG, "2ND PASS " + w + " mHaveFrame=" + w.mHaveFrame + " mViewVisibility=" + w.mViewVisibility + " mRelayoutCalled=" + w.mRelayoutCalled); // If this view is GONE, then skip it -- keep the current frame, and let the caller // know so they can ignore it if they want. (We do the normal layout for INVISIBLE // windows, since that means "perform layout as normal, just don't display"). if (mTmpWindow != null && mService.mPolicy.canBeHiddenByKeyguardLw(w)) { return; } if ((w.mViewVisibility != GONE && w.mRelayoutCalled) || !w.mHaveFrame || w.mLayoutNeeded) { if (mTmpInitial) { //Slog.i(TAG, "Window " + this + " clearing mContentChanged - initial"); w.mContentChanged = false; } w.mLayoutNeeded = false; w.prelayout(); mService.mPolicy.layoutWindowLw(w, w.getParentWindow(), mDisplayFrames); w.mLayoutSeq = mLayoutSeq; if (DEBUG_LAYOUT) Slog.v(TAG, " LAYOUT: mFrame=" + w.mFrame + " mContainingFrame=" + w.mContainingFrame + " mDisplayFrame=" + w.mDisplayFrame); } } else if (w.mAttrs.type == TYPE_DREAM) { // Don't layout windows behind a dream, so that if it does stuff like hide the // status bar we won't get a bad transition when it goes away. mTmpWindow = mTmpWindow2; } }; private final Predicate mComputeImeTargetPredicate = w -> { if (DEBUG_INPUT_METHOD && mUpdateImeTarget) Slog.i(TAG_WM, "Checking window @" + w + " fl=0x" + Integer.toHexString(w.mAttrs.flags)); return w.canBeImeTarget(); }; private final Consumer mApplyPostLayoutPolicy = w -> mService.mPolicy.applyPostLayoutPolicyLw(w, w.mAttrs, w.getParentWindow(), mService.mInputMethodTarget); private final Consumer mApplySurfaceChangesTransaction = w -> { final WindowSurfacePlacer surfacePlacer = mService.mWindowPlacerLocked; final boolean obscuredChanged = w.mObscured != mTmpApplySurfaceChangesTransactionState.obscured; final RootWindowContainer root = mService.mRoot; // Only used if default window final boolean someoneLosingFocus = !mService.mLosingFocus.isEmpty(); // Update effect. w.mObscured = mTmpApplySurfaceChangesTransactionState.obscured; if (!mTmpApplySurfaceChangesTransactionState.obscured) { final boolean isDisplayed = w.isDisplayedLw(); if (isDisplayed && w.isObscuringDisplay()) { // This window completely covers everything behind it, so we want to leave all // of them as undimmed (for performance reasons). root.mObscuringWindow = w; mTmpApplySurfaceChangesTransactionState.obscured = true; } mTmpApplySurfaceChangesTransactionState.displayHasContent |= root.handleNotObscuredLocked(w, mTmpApplySurfaceChangesTransactionState.obscured, mTmpApplySurfaceChangesTransactionState.syswin); if (w.mHasSurface && isDisplayed) { final int type = w.mAttrs.type; if (type == TYPE_SYSTEM_DIALOG || type == TYPE_SYSTEM_ERROR || (w.mAttrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) { mTmpApplySurfaceChangesTransactionState.syswin = true; } if (mTmpApplySurfaceChangesTransactionState.preferredRefreshRate == 0 && w.mAttrs.preferredRefreshRate != 0) { mTmpApplySurfaceChangesTransactionState.preferredRefreshRate = w.mAttrs.preferredRefreshRate; } if (mTmpApplySurfaceChangesTransactionState.preferredModeId == 0 && w.mAttrs.preferredDisplayModeId != 0) { mTmpApplySurfaceChangesTransactionState.preferredModeId = w.mAttrs.preferredDisplayModeId; } } } if (isDefaultDisplay && obscuredChanged && w.isVisibleLw() && mWallpaperController.isWallpaperTarget(w)) { // This is the wallpaper target and its obscured state changed... make sure the // current wallpaper's visibility has been updated accordingly. mWallpaperController.updateWallpaperVisibility(); } w.handleWindowMovedIfNeeded(); final WindowStateAnimator winAnimator = w.mWinAnimator; //Slog.i(TAG, "Window " + this + " clearing mContentChanged - done placing"); w.mContentChanged = false; // Moved from updateWindowsAndWallpaperLocked(). if (w.mHasSurface) { // Take care of the window being ready to display. final boolean committed = winAnimator.commitFinishDrawingLocked(); if (isDefaultDisplay && committed) { if (w.mAttrs.type == TYPE_DREAM) { // HACK: When a dream is shown, it may at that point hide the lock screen. // So we need to redo the layout to let the phone window manager make this // happen. pendingLayoutChanges |= FINISH_LAYOUT_REDO_LAYOUT; if (DEBUG_LAYOUT_REPEATS) { surfacePlacer.debugLayoutRepeats( "dream and commitFinishDrawingLocked true", pendingLayoutChanges); } } if ((w.mAttrs.flags & FLAG_SHOW_WALLPAPER) != 0) { if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, "First draw done in potential wallpaper target " + w); root.mWallpaperMayChange = true; pendingLayoutChanges |= FINISH_LAYOUT_REDO_WALLPAPER; if (DEBUG_LAYOUT_REPEATS) { surfacePlacer.debugLayoutRepeats( "wallpaper and commitFinishDrawingLocked true", pendingLayoutChanges); } } } } final AppWindowToken atoken = w.mAppToken; if (atoken != null) { atoken.updateLetterboxSurface(w); final boolean updateAllDrawn = atoken.updateDrawnWindowStates(w); if (updateAllDrawn && !mTmpUpdateAllDrawn.contains(atoken)) { mTmpUpdateAllDrawn.add(atoken); } } if (isDefaultDisplay && someoneLosingFocus && w == mService.mCurrentFocus && w.isDisplayedLw()) { mTmpApplySurfaceChangesTransactionState.focusDisplayed = true; } w.updateResizingWindowIfNeeded(); }; /** * Create new {@link DisplayContent} instance, add itself to the root window container and * initialize direct children. * @param display May not be null. * @param service You know. * @param wallpaperController wallpaper windows controller used to adjust the positioning of the * wallpaper windows in the window list. */ DisplayContent(Display display, WindowManagerService service, WallpaperController wallpaperController, DisplayWindowController controller) { super(service); setController(controller); if (service.mRoot.getDisplayContent(display.getDisplayId()) != null) { throw new IllegalArgumentException("Display with ID=" + display.getDisplayId() + " already exists=" + service.mRoot.getDisplayContent(display.getDisplayId()) + " new=" + display); } mDisplay = display; mDisplayId = display.getDisplayId(); mWallpaperController = wallpaperController; display.getDisplayInfo(mDisplayInfo); display.getMetrics(mDisplayMetrics); isDefaultDisplay = mDisplayId == DEFAULT_DISPLAY; mDisplayFrames = new DisplayFrames(mDisplayId, mDisplayInfo, calculateDisplayCutoutForRotation(mDisplayInfo.rotation)); initializeDisplayBaseInfo(); mDividerControllerLocked = new DockedStackDividerController(service, this); mPinnedStackControllerLocked = new PinnedStackController(service, this); // We use this as our arbitrary surface size for buffer-less parents // that don't impose cropping on their children. It may need to be larger // than the display size because fullscreen windows can be shifted offscreen // due to surfaceInsets. 2 times the largest display dimension feels like an // appropriately arbitrary number. Eventually we would like to give SurfaceFlinger // layers the ability to match their parent sizes and be able to skip // such arbitrary size settings. mSurfaceSize = Math.max(mBaseDisplayHeight, mBaseDisplayWidth) * 2; final SurfaceControl.Builder b = mService.makeSurfaceBuilder(mSession) .setSize(mSurfaceSize, mSurfaceSize) .setOpaque(true); mWindowingLayer = b.setName("Display Root").build(); mOverlayLayer = b.setName("Display Overlays").build(); getPendingTransaction().setLayer(mWindowingLayer, 0) .setLayerStack(mWindowingLayer, mDisplayId) .show(mWindowingLayer) .setLayer(mOverlayLayer, 1) .setLayerStack(mOverlayLayer, mDisplayId) .show(mOverlayLayer); getPendingTransaction().apply(); // These are the only direct children we should ever have and they are permanent. super.addChild(mBelowAppWindowsContainers, null); super.addChild(mTaskStackContainers, null); super.addChild(mAboveAppWindowsContainers, null); super.addChild(mImeWindowsContainers, null); // Add itself as a child to the root container. mService.mRoot.addChild(this, null); // TODO(b/62541591): evaluate whether this is the best spot to declare the // {@link DisplayContent} ready for use. mDisplayReady = true; } boolean isReady() { // The display is ready when the system and the individual display are both ready. return mService.mDisplayReady && mDisplayReady; } int getDisplayId() { return mDisplayId; } WindowToken getWindowToken(IBinder binder) { return mTokenMap.get(binder); } AppWindowToken getAppWindowToken(IBinder binder) { final WindowToken token = getWindowToken(binder); if (token == null) { return null; } return token.asAppWindowToken(); } private void addWindowToken(IBinder binder, WindowToken token) { final DisplayContent dc = mService.mRoot.getWindowTokenDisplay(token); if (dc != null) { // We currently don't support adding a window token to the display if the display // already has the binder mapped to another token. If there is a use case for supporting // this moving forward we will either need to merge the WindowTokens some how or have // the binder map to a list of window tokens. throw new IllegalArgumentException("Can't map token=" + token + " to display=" + getName() + " already mapped to display=" + dc + " tokens=" + dc.mTokenMap); } if (binder == null) { throw new IllegalArgumentException("Can't map token=" + token + " to display=" + getName() + " binder is null"); } if (token == null) { throw new IllegalArgumentException("Can't map null token to display=" + getName() + " binder=" + binder); } mTokenMap.put(binder, token); if (token.asAppWindowToken() == null) { // Add non-app token to container hierarchy on the display. App tokens are added through // the parent container managing them (e.g. Tasks). switch (token.windowType) { case TYPE_WALLPAPER: mBelowAppWindowsContainers.addChild(token); break; case TYPE_INPUT_METHOD: case TYPE_INPUT_METHOD_DIALOG: mImeWindowsContainers.addChild(token); break; default: mAboveAppWindowsContainers.addChild(token); break; } } } WindowToken removeWindowToken(IBinder binder) { final WindowToken token = mTokenMap.remove(binder); if (token != null && token.asAppWindowToken() == null) { token.setExiting(); } return token; } /** Changes the display the input window token is housed on to this one. */ void reParentWindowToken(WindowToken token) { final DisplayContent prevDc = token.getDisplayContent(); if (prevDc == this) { return; } if (prevDc != null && prevDc.mTokenMap.remove(token.token) != null && token.asAppWindowToken() == null) { // Removed the token from the map, but made sure it's not an app token before removing // from parent. token.getParent().removeChild(token); } addWindowToken(token.token, token); } void removeAppToken(IBinder binder) { final WindowToken token = removeWindowToken(binder); if (token == null) { Slog.w(TAG_WM, "removeAppToken: Attempted to remove non-existing token: " + binder); return; } final AppWindowToken appToken = token.asAppWindowToken(); if (appToken == null) { Slog.w(TAG_WM, "Attempted to remove non-App token: " + binder + " token=" + token); return; } appToken.onRemovedFromDisplay(); } Display getDisplay() { return mDisplay; } DisplayInfo getDisplayInfo() { return mDisplayInfo; } DisplayMetrics getDisplayMetrics() { return mDisplayMetrics; } int getRotation() { return mRotation; } @VisibleForTesting void setRotation(int newRotation) { mRotation = newRotation; } int getLastOrientation() { return mLastOrientation; } void setLastOrientation(int orientation) { mLastOrientation = orientation; } boolean getAltOrientation() { return mAltOrientation; } void setAltOrientation(boolean altOrientation) { mAltOrientation = altOrientation; } int getLastWindowForcedOrientation() { return mLastWindowForcedOrientation; } /** * Update rotation of the display. * * @return {@code true} if the rotation has been changed. In this case YOU MUST CALL * {@link WindowManagerService#sendNewConfiguration(int)} TO UNFREEZE THE SCREEN. */ boolean updateRotationUnchecked() { return updateRotationUnchecked(false /* forceUpdate */); } /** * Update rotation of the display with an option to force the update. * @param forceUpdate Force the rotation update. Sometimes in WM we might skip updating * orientation because we're waiting for some rotation to finish or display * to unfreeze, which results in configuration of the previously visible * activity being applied to a newly visible one. Forcing the rotation * update allows to workaround this issue. * @return {@code true} if the rotation has been changed. In this case YOU MUST CALL * {@link WindowManagerService#sendNewConfiguration(int)} TO UNFREEZE THE SCREEN. */ boolean updateRotationUnchecked(boolean forceUpdate) { ScreenRotationAnimation screenRotationAnimation; if (!forceUpdate) { if (mService.mDeferredRotationPauseCount > 0) { // Rotation updates have been paused temporarily. Defer the update until // updates have been resumed. if (DEBUG_ORIENTATION) Slog.v(TAG_WM, "Deferring rotation, rotation is paused."); return false; } screenRotationAnimation = mService.mAnimator.getScreenRotationAnimationLocked(mDisplayId); if (screenRotationAnimation != null && screenRotationAnimation.isAnimating()) { // Rotation updates cannot be performed while the previous rotation change // animation is still in progress. Skip this update. We will try updating // again after the animation is finished and the display is unfrozen. if (DEBUG_ORIENTATION) Slog.v(TAG_WM, "Deferring rotation, animation in progress."); return false; } if (mService.mDisplayFrozen) { // Even if the screen rotation animation has finished (e.g. isAnimating // returns false), there is still some time where we haven't yet unfrozen // the display. We also need to abort rotation here. if (DEBUG_ORIENTATION) Slog.v(TAG_WM, "Deferring rotation, still finishing previous rotation"); return false; } } if (!mService.mDisplayEnabled) { // No point choosing a rotation if the display is not enabled. if (DEBUG_ORIENTATION) Slog.v(TAG_WM, "Deferring rotation, display is not enabled."); return false; } final int oldRotation = mRotation; final int lastOrientation = mLastOrientation; final boolean oldAltOrientation = mAltOrientation; final int rotation = mService.mPolicy.rotationForOrientationLw(lastOrientation, oldRotation, isDefaultDisplay); if (DEBUG_ORIENTATION) Slog.v(TAG_WM, "Computed rotation=" + rotation + " for display id=" + mDisplayId + " based on lastOrientation=" + lastOrientation + " and oldRotation=" + oldRotation); boolean mayRotateSeamlessly = mService.mPolicy.shouldRotateSeamlessly(oldRotation, rotation); if (mayRotateSeamlessly) { final WindowState seamlessRotated = getWindow((w) -> w.mSeamlesslyRotated); if (seamlessRotated != null && !forceUpdate) { // We can't rotate (seamlessly or not) while waiting for the last seamless rotation // to complete (that is, waiting for windows to redraw). It's tempting to check // w.mSeamlessRotationCount but that could be incorrect in the case of // window-removal. return false; } // In the presence of the PINNED stack or System Alert // windows we unfortunately can not seamlessly rotate. if (hasPinnedStack()) { mayRotateSeamlessly = false; } for (int i = 0; i < mService.mSessions.size(); i++) { if (mService.mSessions.valueAt(i).hasAlertWindowSurfaces()) { mayRotateSeamlessly = false; break; } } } final boolean rotateSeamlessly = mayRotateSeamlessly; // TODO: Implement forced rotation changes. // Set mAltOrientation to indicate that the application is receiving // an orientation that has different metrics than it expected. // eg. Portrait instead of Landscape. final boolean altOrientation = !mService.mPolicy.rotationHasCompatibleMetricsLw( lastOrientation, rotation); if (DEBUG_ORIENTATION) Slog.v(TAG_WM, "Display id=" + mDisplayId + " selected orientation " + lastOrientation + ", got rotation " + rotation + " which has " + (altOrientation ? "incompatible" : "compatible") + " metrics"); if (oldRotation == rotation && oldAltOrientation == altOrientation) { // No change. return false; } if (DEBUG_ORIENTATION) Slog.v(TAG_WM, "Display id=" + mDisplayId + " rotation changed to " + rotation + (altOrientation ? " (alt)" : "") + " from " + oldRotation + (oldAltOrientation ? " (alt)" : "") + ", lastOrientation=" + lastOrientation); if (DisplayContent.deltaRotation(rotation, oldRotation) != 2) { mService.mWaitingForConfig = true; } mRotation = rotation; mAltOrientation = altOrientation; if (isDefaultDisplay) { mService.mPolicy.setRotationLw(rotation); } mService.mWindowsFreezingScreen = WINDOWS_FREEZING_SCREENS_ACTIVE; mService.mH.removeMessages(WindowManagerService.H.WINDOW_FREEZE_TIMEOUT); mService.mH.sendEmptyMessageDelayed(WindowManagerService.H.WINDOW_FREEZE_TIMEOUT, WINDOW_FREEZE_TIMEOUT_DURATION); setLayoutNeeded(); final int[] anim = new int[2]; mService.mPolicy.selectRotationAnimationLw(anim); if (!rotateSeamlessly) { mService.startFreezingDisplayLocked(anim[0], anim[1], this); // startFreezingDisplayLocked can reset the ScreenRotationAnimation. screenRotationAnimation = mService.mAnimator.getScreenRotationAnimationLocked( mDisplayId); } else { // The screen rotation animation uses a screenshot to freeze the screen // while windows resize underneath. // When we are rotating seamlessly, we allow the elements to transition // to their rotated state independently and without a freeze required. screenRotationAnimation = null; mService.startSeamlessRotation(); } // We need to update our screen size information to match the new rotation. If the rotation // has actually changed then this method will return true and, according to the comment at // the top of the method, the caller is obligated to call computeNewConfigurationLocked(). // By updating the Display info here it will be available to // #computeScreenConfiguration() later. updateDisplayAndOrientation(getConfiguration().uiMode); // NOTE: We disable the rotation in the emulator because // it doesn't support hardware OpenGL emulation yet. if (CUSTOM_SCREEN_ROTATION && screenRotationAnimation != null && screenRotationAnimation.hasScreenshot()) { if (screenRotationAnimation.setRotation(getPendingTransaction(), rotation, MAX_ANIMATION_DURATION, mService.getTransitionAnimationScaleLocked(), mDisplayInfo.logicalWidth, mDisplayInfo.logicalHeight)) { mService.scheduleAnimationLocked(); } } if (rotateSeamlessly) { forAllWindows(w -> { w.mWinAnimator.seamlesslyRotateWindow(getPendingTransaction(), oldRotation, rotation); }, true /* traverseTopToBottom */); } mService.mDisplayManagerInternal.performTraversal(getPendingTransaction()); scheduleAnimation(); forAllWindows(w -> { if (w.mHasSurface && !rotateSeamlessly) { if (DEBUG_ORIENTATION) Slog.v(TAG_WM, "Set mOrientationChanging of " + w); w.setOrientationChanging(true); mService.mRoot.mOrientationChangeComplete = false; w.mLastFreezeDuration = 0; } w.mReportOrientationChanged = true; }, true /* traverseTopToBottom */); if (rotateSeamlessly) { mService.mH.removeMessages(WindowManagerService.H.SEAMLESS_ROTATION_TIMEOUT); mService.mH.sendEmptyMessageDelayed(WindowManagerService.H.SEAMLESS_ROTATION_TIMEOUT, SEAMLESS_ROTATION_TIMEOUT_DURATION); } for (int i = mService.mRotationWatchers.size() - 1; i >= 0; i--) { final WindowManagerService.RotationWatcher rotationWatcher = mService.mRotationWatchers.get(i); if (rotationWatcher.mDisplayId == mDisplayId) { try { rotationWatcher.mWatcher.onRotationChanged(rotation); } catch (RemoteException e) { // Ignore } } } // TODO (multi-display): Magnification is supported only for the default display. // Announce rotation only if we will not animate as we already have the // windows in final state. Otherwise, we make this call at the rotation end. if (screenRotationAnimation == null && mService.mAccessibilityController != null && isDefaultDisplay) { mService.mAccessibilityController.onRotationChangedLocked(this); } return true; } void configureDisplayPolicy() { mService.mPolicy.setInitialDisplaySize(getDisplay(), mBaseDisplayWidth, mBaseDisplayHeight, mBaseDisplayDensity); mDisplayFrames.onDisplayInfoUpdated(mDisplayInfo, calculateDisplayCutoutForRotation(mDisplayInfo.rotation)); } /** * Update {@link #mDisplayInfo} and other internal variables when display is rotated or config * changed. * Do not call if {@link WindowManagerService#mDisplayReady} == false. */ private DisplayInfo updateDisplayAndOrientation(int uiMode) { // Use the effective "visual" dimensions based on current rotation final boolean rotated = (mRotation == ROTATION_90 || mRotation == ROTATION_270); final int realdw = rotated ? mBaseDisplayHeight : mBaseDisplayWidth; final int realdh = rotated ? mBaseDisplayWidth : mBaseDisplayHeight; int dw = realdw; int dh = realdh; if (mAltOrientation) { if (realdw > realdh) { // Turn landscape into portrait. int maxw = (int)(realdh/1.3f); if (maxw < realdw) { dw = maxw; } } else { // Turn portrait into landscape. int maxh = (int)(realdw/1.3f); if (maxh < realdh) { dh = maxh; } } } // Update application display metrics. final WmDisplayCutout wmDisplayCutout = calculateDisplayCutoutForRotation(mRotation); final DisplayCutout displayCutout = wmDisplayCutout.getDisplayCutout(); final int appWidth = mService.mPolicy.getNonDecorDisplayWidth(dw, dh, mRotation, uiMode, mDisplayId, displayCutout); final int appHeight = mService.mPolicy.getNonDecorDisplayHeight(dw, dh, mRotation, uiMode, mDisplayId, displayCutout); mDisplayInfo.rotation = mRotation; mDisplayInfo.logicalWidth = dw; mDisplayInfo.logicalHeight = dh; mDisplayInfo.logicalDensityDpi = mBaseDisplayDensity; mDisplayInfo.appWidth = appWidth; mDisplayInfo.appHeight = appHeight; if (isDefaultDisplay) { mDisplayInfo.getLogicalMetrics(mRealDisplayMetrics, CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null); } mDisplayInfo.displayCutout = displayCutout.isEmpty() ? null : displayCutout; mDisplayInfo.getAppMetrics(mDisplayMetrics); if (mDisplayScalingDisabled) { mDisplayInfo.flags |= Display.FLAG_SCALING_DISABLED; } else { mDisplayInfo.flags &= ~Display.FLAG_SCALING_DISABLED; } // We usually set the override info in DisplayManager so that we get consistent display // metrics values when displays are changing and don't send out new values until WM is aware // of them. However, we don't do this for displays that serve as containers for ActivityView // because we don't want letter-/pillar-boxing during resize. final DisplayInfo overrideDisplayInfo = mShouldOverrideDisplayConfiguration ? mDisplayInfo : null; mService.mDisplayManagerInternal.setDisplayInfoOverrideFromWindowManager(mDisplayId, overrideDisplayInfo); mBaseDisplayRect.set(0, 0, dw, dh); if (isDefaultDisplay) { mCompatibleScreenScale = CompatibilityInfo.computeCompatibleScaling(mDisplayMetrics, mCompatDisplayMetrics); } updateBounds(); return mDisplayInfo; } WmDisplayCutout calculateDisplayCutoutForRotation(int rotation) { return mDisplayCutoutCache.getOrCompute(mInitialDisplayCutout, rotation); } private WmDisplayCutout calculateDisplayCutoutForRotationUncached( DisplayCutout cutout, int rotation) { if (cutout == null || cutout == DisplayCutout.NO_CUTOUT) { return WmDisplayCutout.NO_CUTOUT; } if (rotation == ROTATION_0) { return WmDisplayCutout.computeSafeInsets( cutout, mInitialDisplayWidth, mInitialDisplayHeight); } final boolean rotated = (rotation == ROTATION_90 || rotation == ROTATION_270); final Path bounds = cutout.getBounds().getBoundaryPath(); transformPhysicalToLogicalCoordinates(rotation, mInitialDisplayWidth, mInitialDisplayHeight, mTmpMatrix); bounds.transform(mTmpMatrix); return WmDisplayCutout.computeSafeInsets(DisplayCutout.fromBounds(bounds), rotated ? mInitialDisplayHeight : mInitialDisplayWidth, rotated ? mInitialDisplayWidth : mInitialDisplayHeight); } /** * Compute display configuration based on display properties and policy settings. * Do not call if mDisplayReady == false. */ void computeScreenConfiguration(Configuration config) { final DisplayInfo displayInfo = updateDisplayAndOrientation(config.uiMode); final int dw = displayInfo.logicalWidth; final int dh = displayInfo.logicalHeight; config.orientation = (dw <= dh) ? ORIENTATION_PORTRAIT : ORIENTATION_LANDSCAPE; // TODO: Probably best to set this based on some setting in the display content object, // so the display can be configured for things like fullscreen. config.windowConfiguration.setWindowingMode(WINDOWING_MODE_FULLSCREEN); final float density = mDisplayMetrics.density; config.screenWidthDp = (int)(mService.mPolicy.getConfigDisplayWidth(dw, dh, displayInfo.rotation, config.uiMode, mDisplayId, displayInfo.displayCutout) / density); config.screenHeightDp = (int)(mService.mPolicy.getConfigDisplayHeight(dw, dh, displayInfo.rotation, config.uiMode, mDisplayId, displayInfo.displayCutout) / density); mService.mPolicy.getNonDecorInsetsLw(displayInfo.rotation, dw, dh, displayInfo.displayCutout, mTmpRect); final int leftInset = mTmpRect.left; final int topInset = mTmpRect.top; // appBounds at the root level should mirror the app screen size. config.windowConfiguration.setAppBounds(leftInset /* left */, topInset /* top */, leftInset + displayInfo.appWidth /* right */, topInset + displayInfo.appHeight /* bottom */); final boolean rotated = (displayInfo.rotation == Surface.ROTATION_90 || displayInfo.rotation == Surface.ROTATION_270); computeSizeRangesAndScreenLayout(displayInfo, mDisplayId, rotated, config.uiMode, dw, dh, density, config); config.screenLayout = (config.screenLayout & ~Configuration.SCREENLAYOUT_ROUND_MASK) | ((displayInfo.flags & Display.FLAG_ROUND) != 0 ? Configuration.SCREENLAYOUT_ROUND_YES : Configuration.SCREENLAYOUT_ROUND_NO); config.compatScreenWidthDp = (int)(config.screenWidthDp / mCompatibleScreenScale); config.compatScreenHeightDp = (int)(config.screenHeightDp / mCompatibleScreenScale); config.compatSmallestScreenWidthDp = computeCompatSmallestWidth(rotated, config.uiMode, dw, dh, mDisplayId); config.densityDpi = displayInfo.logicalDensityDpi; config.colorMode = (displayInfo.isHdr() ? Configuration.COLOR_MODE_HDR_YES : Configuration.COLOR_MODE_HDR_NO) | (displayInfo.isWideColorGamut() && mService.hasWideColorGamutSupport() ? Configuration.COLOR_MODE_WIDE_COLOR_GAMUT_YES : Configuration.COLOR_MODE_WIDE_COLOR_GAMUT_NO); // Update the configuration based on available input devices, lid switch, // and platform configuration. config.touchscreen = Configuration.TOUCHSCREEN_NOTOUCH; config.keyboard = Configuration.KEYBOARD_NOKEYS; config.navigation = Configuration.NAVIGATION_NONAV; int keyboardPresence = 0; int navigationPresence = 0; final InputDevice[] devices = mService.mInputManager.getInputDevices(); final int len = devices != null ? devices.length : 0; for (int i = 0; i < len; i++) { InputDevice device = devices[i]; if (!device.isVirtual()) { final int sources = device.getSources(); final int presenceFlag = device.isExternal() ? WindowManagerPolicy.PRESENCE_EXTERNAL : WindowManagerPolicy.PRESENCE_INTERNAL; // TODO(multi-display): Configure on per-display basis. if (mService.mIsTouchDevice) { if ((sources & InputDevice.SOURCE_TOUCHSCREEN) == InputDevice.SOURCE_TOUCHSCREEN) { config.touchscreen = Configuration.TOUCHSCREEN_FINGER; } } else { config.touchscreen = Configuration.TOUCHSCREEN_NOTOUCH; } if ((sources & InputDevice.SOURCE_TRACKBALL) == InputDevice.SOURCE_TRACKBALL) { config.navigation = Configuration.NAVIGATION_TRACKBALL; navigationPresence |= presenceFlag; } else if ((sources & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD && config.navigation == Configuration.NAVIGATION_NONAV) { config.navigation = Configuration.NAVIGATION_DPAD; navigationPresence |= presenceFlag; } if (device.getKeyboardType() == InputDevice.KEYBOARD_TYPE_ALPHABETIC) { config.keyboard = Configuration.KEYBOARD_QWERTY; keyboardPresence |= presenceFlag; } } } if (config.navigation == Configuration.NAVIGATION_NONAV && mService.mHasPermanentDpad) { config.navigation = Configuration.NAVIGATION_DPAD; navigationPresence |= WindowManagerPolicy.PRESENCE_INTERNAL; } // Determine whether a hard keyboard is available and enabled. // TODO(multi-display): Should the hardware keyboard be tied to a display or to a device? boolean hardKeyboardAvailable = config.keyboard != Configuration.KEYBOARD_NOKEYS; if (hardKeyboardAvailable != mService.mHardKeyboardAvailable) { mService.mHardKeyboardAvailable = hardKeyboardAvailable; mService.mH.removeMessages(WindowManagerService.H.REPORT_HARD_KEYBOARD_STATUS_CHANGE); mService.mH.sendEmptyMessage(WindowManagerService.H.REPORT_HARD_KEYBOARD_STATUS_CHANGE); } // Let the policy update hidden states. config.keyboardHidden = Configuration.KEYBOARDHIDDEN_NO; config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_NO; config.navigationHidden = Configuration.NAVIGATIONHIDDEN_NO; mService.mPolicy.adjustConfigurationLw(config, keyboardPresence, navigationPresence); } private int computeCompatSmallestWidth(boolean rotated, int uiMode, int dw, int dh, int displayId) { mTmpDisplayMetrics.setTo(mDisplayMetrics); final DisplayMetrics tmpDm = mTmpDisplayMetrics; final int unrotDw, unrotDh; if (rotated) { unrotDw = dh; unrotDh = dw; } else { unrotDw = dw; unrotDh = dh; } int sw = reduceCompatConfigWidthSize(0, Surface.ROTATION_0, uiMode, tmpDm, unrotDw, unrotDh, displayId); sw = reduceCompatConfigWidthSize(sw, Surface.ROTATION_90, uiMode, tmpDm, unrotDh, unrotDw, displayId); sw = reduceCompatConfigWidthSize(sw, Surface.ROTATION_180, uiMode, tmpDm, unrotDw, unrotDh, displayId); sw = reduceCompatConfigWidthSize(sw, Surface.ROTATION_270, uiMode, tmpDm, unrotDh, unrotDw, displayId); return sw; } private int reduceCompatConfigWidthSize(int curSize, int rotation, int uiMode, DisplayMetrics dm, int dw, int dh, int displayId) { dm.noncompatWidthPixels = mService.mPolicy.getNonDecorDisplayWidth(dw, dh, rotation, uiMode, displayId, mDisplayInfo.displayCutout); dm.noncompatHeightPixels = mService.mPolicy.getNonDecorDisplayHeight(dw, dh, rotation, uiMode, displayId, mDisplayInfo.displayCutout); float scale = CompatibilityInfo.computeCompatibleScaling(dm, null); int size = (int)(((dm.noncompatWidthPixels / scale) / dm.density) + .5f); if (curSize == 0 || size < curSize) { curSize = size; } return curSize; } private void computeSizeRangesAndScreenLayout(DisplayInfo displayInfo, int displayId, boolean rotated, int uiMode, int dw, int dh, float density, Configuration outConfig) { // We need to determine the smallest width that will occur under normal // operation. To this, start with the base screen size and compute the // width under the different possible rotations. We need to un-rotate // the current screen dimensions before doing this. int unrotDw, unrotDh; if (rotated) { unrotDw = dh; unrotDh = dw; } else { unrotDw = dw; unrotDh = dh; } displayInfo.smallestNominalAppWidth = 1<<30; displayInfo.smallestNominalAppHeight = 1<<30; displayInfo.largestNominalAppWidth = 0; displayInfo.largestNominalAppHeight = 0; adjustDisplaySizeRanges(displayInfo, displayId, Surface.ROTATION_0, uiMode, unrotDw, unrotDh); adjustDisplaySizeRanges(displayInfo, displayId, Surface.ROTATION_90, uiMode, unrotDh, unrotDw); adjustDisplaySizeRanges(displayInfo, displayId, Surface.ROTATION_180, uiMode, unrotDw, unrotDh); adjustDisplaySizeRanges(displayInfo, displayId, Surface.ROTATION_270, uiMode, unrotDh, unrotDw); int sl = Configuration.resetScreenLayout(outConfig.screenLayout); sl = reduceConfigLayout(sl, Surface.ROTATION_0, density, unrotDw, unrotDh, uiMode, displayId); sl = reduceConfigLayout(sl, Surface.ROTATION_90, density, unrotDh, unrotDw, uiMode, displayId); sl = reduceConfigLayout(sl, Surface.ROTATION_180, density, unrotDw, unrotDh, uiMode, displayId); sl = reduceConfigLayout(sl, Surface.ROTATION_270, density, unrotDh, unrotDw, uiMode, displayId); outConfig.smallestScreenWidthDp = (int)(displayInfo.smallestNominalAppWidth / density); outConfig.screenLayout = sl; } private int reduceConfigLayout(int curLayout, int rotation, float density, int dw, int dh, int uiMode, int displayId) { // Get the app screen size at this rotation. int w = mService.mPolicy.getNonDecorDisplayWidth(dw, dh, rotation, uiMode, displayId, mDisplayInfo.displayCutout); int h = mService.mPolicy.getNonDecorDisplayHeight(dw, dh, rotation, uiMode, displayId, mDisplayInfo.displayCutout); // Compute the screen layout size class for this rotation. int longSize = w; int shortSize = h; if (longSize < shortSize) { int tmp = longSize; longSize = shortSize; shortSize = tmp; } longSize = (int)(longSize/density); shortSize = (int)(shortSize/density); return Configuration.reduceScreenLayout(curLayout, longSize, shortSize); } private void adjustDisplaySizeRanges(DisplayInfo displayInfo, int displayId, int rotation, int uiMode, int dw, int dh) { final DisplayCutout displayCutout = calculateDisplayCutoutForRotation( rotation).getDisplayCutout(); final int width = mService.mPolicy.getConfigDisplayWidth(dw, dh, rotation, uiMode, displayId, displayCutout); if (width < displayInfo.smallestNominalAppWidth) { displayInfo.smallestNominalAppWidth = width; } if (width > displayInfo.largestNominalAppWidth) { displayInfo.largestNominalAppWidth = width; } final int height = mService.mPolicy.getConfigDisplayHeight(dw, dh, rotation, uiMode, displayId, displayCutout); if (height < displayInfo.smallestNominalAppHeight) { displayInfo.smallestNominalAppHeight = height; } if (height > displayInfo.largestNominalAppHeight) { displayInfo.largestNominalAppHeight = height; } } DockedStackDividerController getDockedDividerController() { return mDividerControllerLocked; } PinnedStackController getPinnedStackController() { return mPinnedStackControllerLocked; } /** * Returns true if the specified UID has access to this display. */ boolean hasAccess(int uid) { return mDisplay.hasAccess(uid); } boolean isPrivate() { return (mDisplay.getFlags() & FLAG_PRIVATE) != 0; } TaskStack getHomeStack() { return mTaskStackContainers.getHomeStack(); } /** * @return The primary split-screen stack, but only if it is visible, and {@code null} otherwise. */ TaskStack getSplitScreenPrimaryStack() { TaskStack stack = mTaskStackContainers.getSplitScreenPrimaryStack(); return (stack != null && stack.isVisible()) ? stack : null; } boolean hasSplitScreenPrimaryStack() { return getSplitScreenPrimaryStack() != null; } /** * Like {@link #getSplitScreenPrimaryStack}, but also returns the stack if it's currently * not visible. */ TaskStack getSplitScreenPrimaryStackIgnoringVisibility() { return mTaskStackContainers.getSplitScreenPrimaryStack(); } TaskStack getPinnedStack() { return mTaskStackContainers.getPinnedStack(); } private boolean hasPinnedStack() { return mTaskStackContainers.getPinnedStack() != null; } /** * Returns the topmost stack on the display that is compatible with the input windowing mode. * Null is no compatible stack on the display. */ TaskStack getTopStackInWindowingMode(int windowingMode) { return getStack(windowingMode, ACTIVITY_TYPE_UNDEFINED); } /** * Returns the topmost stack on the display that is compatible with the input windowing mode and * activity type. Null is no compatible stack on the display. */ TaskStack getStack(int windowingMode, int activityType) { return mTaskStackContainers.getStack(windowingMode, activityType); } @VisibleForTesting TaskStack getTopStack() { return mTaskStackContainers.getTopStack(); } ArrayList getVisibleTasks() { return mTaskStackContainers.getVisibleTasks(); } void onStackWindowingModeChanged(TaskStack stack) { mTaskStackContainers.onStackWindowingModeChanged(stack); } @Override public void onConfigurationChanged(Configuration newParentConfig) { super.onConfigurationChanged(newParentConfig); // The display size information is heavily dependent on the resources in the current // configuration, so we need to reconfigure it every time the configuration changes. // See {@link PhoneWindowManager#setInitialDisplaySize}...sigh... mService.reconfigureDisplayLocked(this); final DockedStackDividerController dividerController = getDockedDividerController(); if (dividerController != null) { getDockedDividerController().onConfigurationChanged(); } final PinnedStackController pinnedStackController = getPinnedStackController(); if (pinnedStackController != null) { getPinnedStackController().onConfigurationChanged(); } } /** * Callback used to trigger bounds update after configuration change and get ids of stacks whose * bounds were updated. */ void updateStackBoundsAfterConfigChange(@NonNull List changedStackList) { for (int i = mTaskStackContainers.getChildCount() - 1; i >= 0; --i) { final TaskStack stack = mTaskStackContainers.getChildAt(i); if (stack.updateBoundsAfterConfigChange()) { changedStackList.add(stack); } } // If there was no pinned stack, we still need to notify the controller of the display info // update as a result of the config change. We do this here to consolidate the flow between // changes when there is and is not a stack. if (!hasPinnedStack()) { mPinnedStackControllerLocked.onDisplayInfoChanged(); } } @Override boolean fillsParent() { return true; } @Override boolean isVisible() { return true; } @Override void onAppTransitionDone() { super.onAppTransitionDone(); mService.mWindowsChanged = true; } /** * In split-screen mode we process the IME containers above the docked divider * rather than directly above their target. */ private boolean skipTraverseChild(WindowContainer child) { if (child == mImeWindowsContainers && mService.mInputMethodTarget != null && !hasSplitScreenPrimaryStack()) { return true; } return false; } @Override boolean forAllWindows(ToBooleanFunction callback, boolean traverseTopToBottom) { // Special handling so we can process IME windows with #forAllImeWindows above their IME // target, or here in order if there isn't an IME target. if (traverseTopToBottom) { for (int i = mChildren.size() - 1; i >= 0; --i) { final DisplayChildWindowContainer child = mChildren.get(i); if (skipTraverseChild(child)) { continue; } if (child.forAllWindows(callback, traverseTopToBottom)) { return true; } } } else { final int count = mChildren.size(); for (int i = 0; i < count; i++) { final DisplayChildWindowContainer child = mChildren.get(i); if (skipTraverseChild(child)) { continue; } if (child.forAllWindows(callback, traverseTopToBottom)) { return true; } } } return false; } boolean forAllImeWindows(ToBooleanFunction callback, boolean traverseTopToBottom) { return mImeWindowsContainers.forAllWindows(callback, traverseTopToBottom); } @Override int getOrientation() { final WindowManagerPolicy policy = mService.mPolicy; if (mService.mDisplayFrozen) { if (mLastWindowForcedOrientation != SCREEN_ORIENTATION_UNSPECIFIED) { if (DEBUG_ORIENTATION) Slog.v(TAG_WM, "Display id=" + mDisplayId + " is frozen, return " + mLastWindowForcedOrientation); // If the display is frozen, some activities may be in the middle of restarting, and // thus have removed their old window. If the window has the flag to hide the lock // screen, then the lock screen can re-appear and inflict its own orientation on us. // Keep the orientation stable until this all settles down. return mLastWindowForcedOrientation; } else if (policy.isKeyguardLocked()) { // Use the last orientation the while the display is frozen with the keyguard // locked. This could be the keyguard forced orientation or from a SHOW_WHEN_LOCKED // window. We don't want to check the show when locked window directly though as // things aren't stable while the display is frozen, for example the window could be // momentarily unavailable due to activity relaunch. if (DEBUG_ORIENTATION) Slog.v(TAG_WM, "Display id=" + mDisplayId + " is frozen while keyguard locked, return " + mLastOrientation); return mLastOrientation; } } else { final int orientation = mAboveAppWindowsContainers.getOrientation(); if (orientation != SCREEN_ORIENTATION_UNSET) { return orientation; } } // Top system windows are not requesting an orientation. Start searching from apps. return mTaskStackContainers.getOrientation(); } void updateDisplayInfo() { // Check if display metrics changed and update base values if needed. updateBaseDisplayMetricsIfNeeded(); mDisplay.getDisplayInfo(mDisplayInfo); mDisplay.getMetrics(mDisplayMetrics); for (int i = mTaskStackContainers.getChildCount() - 1; i >= 0; --i) { mTaskStackContainers.getChildAt(i).updateDisplayInfo(null); } } void initializeDisplayBaseInfo() { final DisplayManagerInternal displayManagerInternal = mService.mDisplayManagerInternal; if (displayManagerInternal != null) { // Bootstrap the default logical display from the display manager. final DisplayInfo newDisplayInfo = displayManagerInternal.getDisplayInfo(mDisplayId); if (newDisplayInfo != null) { mDisplayInfo.copyFrom(newDisplayInfo); } } updateBaseDisplayMetrics(mDisplayInfo.logicalWidth, mDisplayInfo.logicalHeight, mDisplayInfo.logicalDensityDpi); mInitialDisplayWidth = mDisplayInfo.logicalWidth; mInitialDisplayHeight = mDisplayInfo.logicalHeight; mInitialDisplayDensity = mDisplayInfo.logicalDensityDpi; mInitialDisplayCutout = mDisplayInfo.displayCutout; } /** * If display metrics changed, overrides are not set and it's not just a rotation - update base * values. */ private void updateBaseDisplayMetricsIfNeeded() { // Get real display metrics without overrides from WM. mService.mDisplayManagerInternal.getNonOverrideDisplayInfo(mDisplayId, mDisplayInfo); final int orientation = mDisplayInfo.rotation; final boolean rotated = (orientation == ROTATION_90 || orientation == ROTATION_270); final int newWidth = rotated ? mDisplayInfo.logicalHeight : mDisplayInfo.logicalWidth; final int newHeight = rotated ? mDisplayInfo.logicalWidth : mDisplayInfo.logicalHeight; final int newDensity = mDisplayInfo.logicalDensityDpi; final DisplayCutout newCutout = mDisplayInfo.displayCutout; final boolean displayMetricsChanged = mInitialDisplayWidth != newWidth || mInitialDisplayHeight != newHeight || mInitialDisplayDensity != mDisplayInfo.logicalDensityDpi || !Objects.equals(mInitialDisplayCutout, newCutout); if (displayMetricsChanged) { // Check if display size or density is forced. final boolean isDisplaySizeForced = mBaseDisplayWidth != mInitialDisplayWidth || mBaseDisplayHeight != mInitialDisplayHeight; final boolean isDisplayDensityForced = mBaseDisplayDensity != mInitialDisplayDensity; // If there is an override set for base values - use it, otherwise use new values. updateBaseDisplayMetrics(isDisplaySizeForced ? mBaseDisplayWidth : newWidth, isDisplaySizeForced ? mBaseDisplayHeight : newHeight, isDisplayDensityForced ? mBaseDisplayDensity : newDensity); // Real display metrics changed, so we should also update initial values. mInitialDisplayWidth = newWidth; mInitialDisplayHeight = newHeight; mInitialDisplayDensity = newDensity; mInitialDisplayCutout = newCutout; mService.reconfigureDisplayLocked(this); } } /** Sets the maximum width the screen resolution can be */ void setMaxUiWidth(int width) { if (DEBUG_DISPLAY) { Slog.v(TAG_WM, "Setting max ui width:" + width + " on display:" + getDisplayId()); } mMaxUiWidth = width; // Update existing metrics. updateBaseDisplayMetrics(mBaseDisplayWidth, mBaseDisplayHeight, mBaseDisplayDensity); } /** Update base (override) display metrics. */ void updateBaseDisplayMetrics(int baseWidth, int baseHeight, int baseDensity) { mBaseDisplayWidth = baseWidth; mBaseDisplayHeight = baseHeight; mBaseDisplayDensity = baseDensity; if (mMaxUiWidth > 0 && mBaseDisplayWidth > mMaxUiWidth) { mBaseDisplayHeight = (mMaxUiWidth * mBaseDisplayHeight) / mBaseDisplayWidth; mBaseDisplayDensity = (mMaxUiWidth * mBaseDisplayDensity) / mBaseDisplayWidth; mBaseDisplayWidth = mMaxUiWidth; if (DEBUG_DISPLAY) { Slog.v(TAG_WM, "Applying config restraints:" + mBaseDisplayWidth + "x" + mBaseDisplayHeight + " at density:" + mBaseDisplayDensity + " on display:" + getDisplayId()); } } mBaseDisplayRect.set(0, 0, mBaseDisplayWidth, mBaseDisplayHeight); updateBounds(); } void getStableRect(Rect out) { out.set(mDisplayFrames.mStable); } TaskStack createStack(int stackId, boolean onTop, StackWindowController controller) { if (DEBUG_STACK) Slog.d(TAG_WM, "Create new stackId=" + stackId + " on displayId=" + mDisplayId); final TaskStack stack = new TaskStack(mService, stackId, controller); mTaskStackContainers.addStackToDisplay(stack, onTop); return stack; } void moveStackToDisplay(TaskStack stack, boolean onTop) { final DisplayContent prevDc = stack.getDisplayContent(); if (prevDc == null) { throw new IllegalStateException("Trying to move stackId=" + stack.mStackId + " which is not currently attached to any display"); } if (prevDc.getDisplayId() == mDisplayId) { throw new IllegalArgumentException("Trying to move stackId=" + stack.mStackId + " to its current displayId=" + mDisplayId); } prevDc.mTaskStackContainers.removeChild(stack); mTaskStackContainers.addStackToDisplay(stack, onTop); } @Override protected void addChild(DisplayChildWindowContainer child, Comparator comparator) { throw new UnsupportedOperationException("See DisplayChildWindowContainer"); } @Override protected void addChild(DisplayChildWindowContainer child, int index) { throw new UnsupportedOperationException("See DisplayChildWindowContainer"); } @Override protected void removeChild(DisplayChildWindowContainer child) { // Only allow removal of direct children from this display if the display is in the process // of been removed. if (mRemovingDisplay) { super.removeChild(child); return; } throw new UnsupportedOperationException("See DisplayChildWindowContainer"); } @Override void positionChildAt(int position, DisplayChildWindowContainer child, boolean includingParents) { // Children of the display are statically ordered, so the real intention here is to perform // the operation on the display and not the static direct children. getParent().positionChildAt(position, this, includingParents); } void positionStackAt(int position, TaskStack child) { mTaskStackContainers.positionChildAt(position, child, false /* includingParents */); layoutAndAssignWindowLayersIfNeeded(); } int taskIdFromPoint(int x, int y) { for (int stackNdx = mTaskStackContainers.getChildCount() - 1; stackNdx >= 0; --stackNdx) { final TaskStack stack = mTaskStackContainers.getChildAt(stackNdx); final int taskId = stack.taskIdFromPoint(x, y); if (taskId != -1) { return taskId; } } return -1; } /** * Find the task whose outside touch area (for resizing) (x, y) falls within. * Returns null if the touch doesn't fall into a resizing area. */ Task findTaskForResizePoint(int x, int y) { final int delta = dipToPixel(RESIZE_HANDLE_WIDTH_IN_DP, mDisplayMetrics); mTmpTaskForResizePointSearchResult.reset(); for (int stackNdx = mTaskStackContainers.getChildCount() - 1; stackNdx >= 0; --stackNdx) { final TaskStack stack = mTaskStackContainers.getChildAt(stackNdx); if (!stack.getWindowConfiguration().canResizeTask()) { return null; } stack.findTaskForResizePoint(x, y, delta, mTmpTaskForResizePointSearchResult); if (mTmpTaskForResizePointSearchResult.searchDone) { return mTmpTaskForResizePointSearchResult.taskForResize; } } return null; } void setTouchExcludeRegion(Task focusedTask) { // The provided task is the task on this display with focus, so if WindowManagerService's // focused app is not on this display, focusedTask will be null. if (focusedTask == null) { mTouchExcludeRegion.setEmpty(); } else { mTouchExcludeRegion.set(mBaseDisplayRect); final int delta = dipToPixel(RESIZE_HANDLE_WIDTH_IN_DP, mDisplayMetrics); mTmpRect2.setEmpty(); for (int stackNdx = mTaskStackContainers.getChildCount() - 1; stackNdx >= 0; --stackNdx) { final TaskStack stack = mTaskStackContainers.getChildAt(stackNdx); stack.setTouchExcludeRegion(focusedTask, delta, mTouchExcludeRegion, mDisplayFrames.mContent, mTmpRect2); } // If we removed the focused task above, add it back and only leave its // outside touch area in the exclusion. TapDectector is not interested in // any touch inside the focused task itself. if (!mTmpRect2.isEmpty()) { mTouchExcludeRegion.op(mTmpRect2, Region.Op.UNION); } } final WindowState inputMethod = mService.mInputMethodWindow; if (inputMethod != null && inputMethod.isVisibleLw()) { // If the input method is visible and the user is typing, we don't want these touch // events to be intercepted and used to change focus. This would likely cause a // disappearance of the input method. inputMethod.getTouchableRegion(mTmpRegion); if (inputMethod.getDisplayId() == mDisplayId) { mTouchExcludeRegion.op(mTmpRegion, Op.UNION); } else { // IME is on a different display, so we need to update its tap detector. // TODO(multidisplay): Remove when IME will always appear on same display. inputMethod.getDisplayContent().setTouchExcludeRegion(null /* focusedTask */); } } for (int i = mTapExcludedWindows.size() - 1; i >= 0; i--) { final WindowState win = mTapExcludedWindows.get(i); win.getTouchableRegion(mTmpRegion); mTouchExcludeRegion.op(mTmpRegion, Region.Op.UNION); } for (int i = mTapExcludeProvidingWindows.size() - 1; i >= 0; i--) { final WindowState win = mTapExcludeProvidingWindows.valueAt(i); win.amendTapExcludeRegion(mTouchExcludeRegion); } // TODO(multi-display): Support docked stacks on secondary displays. if (mDisplayId == DEFAULT_DISPLAY && getSplitScreenPrimaryStack() != null) { mDividerControllerLocked.getTouchRegion(mTmpRect); mTmpRegion.set(mTmpRect); mTouchExcludeRegion.op(mTmpRegion, Op.UNION); } if (mTapDetector != null) { mTapDetector.setTouchExcludeRegion(mTouchExcludeRegion); } } @Override void switchUser() { super.switchUser(); mService.mWindowsChanged = true; } private void resetAnimationBackgroundAnimator() { for (int stackNdx = mTaskStackContainers.getChildCount() - 1; stackNdx >= 0; --stackNdx) { mTaskStackContainers.getChildAt(stackNdx).resetAnimationBackgroundAnimator(); } } @Override void removeIfPossible() { if (isAnimating()) { mDeferredRemoval = true; return; } removeImmediately(); } @Override void removeImmediately() { mRemovingDisplay = true; try { super.removeImmediately(); if (DEBUG_DISPLAY) Slog.v(TAG_WM, "Removing display=" + this); if (mService.canDispatchPointerEvents()) { if (mTapDetector != null) { mService.unregisterPointerEventListener(mTapDetector); } if (mDisplayId == DEFAULT_DISPLAY && mService.mMousePositionTracker != null) { mService.unregisterPointerEventListener(mService.mMousePositionTracker); } } mService.mAnimator.removeDisplayLocked(mDisplayId); } finally { mRemovingDisplay = false; } mService.onDisplayRemoved(mDisplayId); } /** Returns true if a removal action is still being deferred. */ @Override boolean checkCompleteDeferredRemoval() { final boolean stillDeferringRemoval = super.checkCompleteDeferredRemoval(); if (!stillDeferringRemoval && mDeferredRemoval) { removeImmediately(); return false; } return true; } /** @return 'true' if removal of this display content is deferred due to active animation. */ boolean isRemovalDeferred() { return mDeferredRemoval; } boolean animateForIme(float interpolatedValue, float animationTarget, float dividerAnimationTarget) { boolean updated = false; for (int i = mTaskStackContainers.getChildCount() - 1; i >= 0; --i) { final TaskStack stack = mTaskStackContainers.getChildAt(i); if (stack == null || !stack.isAdjustedForIme()) { continue; } if (interpolatedValue >= 1f && animationTarget == 0f && dividerAnimationTarget == 0f) { stack.resetAdjustedForIme(true /* adjustBoundsNow */); updated = true; } else { mDividerControllerLocked.mLastAnimationProgress = mDividerControllerLocked.getInterpolatedAnimationValue(interpolatedValue); mDividerControllerLocked.mLastDividerProgress = mDividerControllerLocked.getInterpolatedDividerValue(interpolatedValue); updated |= stack.updateAdjustForIme( mDividerControllerLocked.mLastAnimationProgress, mDividerControllerLocked.mLastDividerProgress, false /* force */); } if (interpolatedValue >= 1f) { stack.endImeAdjustAnimation(); } } return updated; } boolean clearImeAdjustAnimation() { boolean changed = false; for (int i = mTaskStackContainers.getChildCount() - 1; i >= 0; --i) { final TaskStack stack = mTaskStackContainers.getChildAt(i); if (stack != null && stack.isAdjustedForIme()) { stack.resetAdjustedForIme(true /* adjustBoundsNow */); changed = true; } } return changed; } void beginImeAdjustAnimation() { for (int i = mTaskStackContainers.getChildCount() - 1; i >= 0; --i) { final TaskStack stack = mTaskStackContainers.getChildAt(i); if (stack.isVisible() && stack.isAdjustedForIme()) { stack.beginImeAdjustAnimation(); } } } void adjustForImeIfNeeded() { final WindowState imeWin = mService.mInputMethodWindow; final boolean imeVisible = imeWin != null && imeWin.isVisibleLw() && imeWin.isDisplayedLw() && !mDividerControllerLocked.isImeHideRequested(); final boolean dockVisible = isStackVisible(WINDOWING_MODE_SPLIT_SCREEN_PRIMARY); final TaskStack imeTargetStack = mService.getImeFocusStackLocked(); final int imeDockSide = (dockVisible && imeTargetStack != null) ? imeTargetStack.getDockSide() : DOCKED_INVALID; final boolean imeOnTop = (imeDockSide == DOCKED_TOP); final boolean imeOnBottom = (imeDockSide == DOCKED_BOTTOM); final boolean dockMinimized = mDividerControllerLocked.isMinimizedDock(); final int imeHeight = mDisplayFrames.getInputMethodWindowVisibleHeight(); final boolean imeHeightChanged = imeVisible && imeHeight != mDividerControllerLocked.getImeHeightAdjustedFor(); // The divider could be adjusted for IME position, or be thinner than usual, // or both. There are three possible cases: // - If IME is visible, and focus is on top, divider is not moved for IME but thinner. // - If IME is visible, and focus is on bottom, divider is moved for IME and thinner. // - If IME is not visible, divider is not moved and is normal width. if (imeVisible && dockVisible && (imeOnTop || imeOnBottom) && !dockMinimized) { for (int i = mTaskStackContainers.getChildCount() - 1; i >= 0; --i) { final TaskStack stack = mTaskStackContainers.getChildAt(i); final boolean isDockedOnBottom = stack.getDockSide() == DOCKED_BOTTOM; if (stack.isVisible() && (imeOnBottom || isDockedOnBottom) && stack.inSplitScreenWindowingMode()) { stack.setAdjustedForIme(imeWin, imeOnBottom && imeHeightChanged); } else { stack.resetAdjustedForIme(false); } } mDividerControllerLocked.setAdjustedForIme( imeOnBottom /*ime*/, true /*divider*/, true /*animate*/, imeWin, imeHeight); } else { for (int i = mTaskStackContainers.getChildCount() - 1; i >= 0; --i) { final TaskStack stack = mTaskStackContainers.getChildAt(i); stack.resetAdjustedForIme(!dockVisible); } mDividerControllerLocked.setAdjustedForIme( false /*ime*/, false /*divider*/, dockVisible /*animate*/, imeWin, imeHeight); } mPinnedStackControllerLocked.setAdjustedForIme(imeVisible, imeHeight); } /** * If a window that has an animation specifying a colored background and the current wallpaper * is visible, then the color goes *below* the wallpaper so we don't cause the wallpaper to * suddenly disappear. */ int getLayerForAnimationBackground(WindowStateAnimator winAnimator) { final WindowState visibleWallpaper = mBelowAppWindowsContainers.getWindow( w -> w.mIsWallpaper && w.isVisibleNow()); if (visibleWallpaper != null) { return visibleWallpaper.mWinAnimator.mAnimLayer; } return winAnimator.mAnimLayer; } void prepareFreezingTaskBounds() { for (int stackNdx = mTaskStackContainers.getChildCount() - 1; stackNdx >= 0; --stackNdx) { final TaskStack stack = mTaskStackContainers.getChildAt(stackNdx); stack.prepareFreezingTaskBounds(); } } void rotateBounds(int oldRotation, int newRotation, Rect bounds) { getBounds(mTmpRect, newRotation); // Compute a transform matrix to undo the coordinate space transformation, // and present the window at the same physical position it previously occupied. final int deltaRotation = deltaRotation(newRotation, oldRotation); createRotationMatrix(deltaRotation, mTmpRect.width(), mTmpRect.height(), mTmpMatrix); mTmpRectF.set(bounds); mTmpMatrix.mapRect(mTmpRectF); mTmpRectF.round(bounds); } static int deltaRotation(int oldRotation, int newRotation) { int delta = newRotation - oldRotation; if (delta < 0) delta += 4; return delta; } private static void createRotationMatrix(int rotation, float displayWidth, float displayHeight, Matrix outMatrix) { // For rotations without Z-ordering we don't need the target rectangle's position. createRotationMatrix(rotation, 0 /* rectLeft */, 0 /* rectTop */, displayWidth, displayHeight, outMatrix); } static void createRotationMatrix(int rotation, float rectLeft, float rectTop, float displayWidth, float displayHeight, Matrix outMatrix) { switch (rotation) { case ROTATION_0: outMatrix.reset(); break; case ROTATION_270: outMatrix.setRotate(270, 0, 0); outMatrix.postTranslate(0, displayHeight); outMatrix.postTranslate(rectTop, 0); break; case ROTATION_180: outMatrix.reset(); break; case ROTATION_90: outMatrix.setRotate(90, 0, 0); outMatrix.postTranslate(displayWidth, 0); outMatrix.postTranslate(-rectTop, rectLeft); break; } } @CallSuper @Override public void writeToProto(ProtoOutputStream proto, long fieldId, boolean trim) { final long token = proto.start(fieldId); super.writeToProto(proto, WINDOW_CONTAINER, trim); proto.write(ID, mDisplayId); for (int stackNdx = mTaskStackContainers.getChildCount() - 1; stackNdx >= 0; --stackNdx) { final TaskStack stack = mTaskStackContainers.getChildAt(stackNdx); stack.writeToProto(proto, STACKS, trim); } mDividerControllerLocked.writeToProto(proto, DOCKED_STACK_DIVIDER_CONTROLLER); mPinnedStackControllerLocked.writeToProto(proto, PINNED_STACK_CONTROLLER); for (int i = mAboveAppWindowsContainers.getChildCount() - 1; i >= 0; --i) { final WindowToken windowToken = mAboveAppWindowsContainers.getChildAt(i); windowToken.writeToProto(proto, ABOVE_APP_WINDOWS, trim); } for (int i = mBelowAppWindowsContainers.getChildCount() - 1; i >= 0; --i) { final WindowToken windowToken = mBelowAppWindowsContainers.getChildAt(i); windowToken.writeToProto(proto, BELOW_APP_WINDOWS, trim); } for (int i = mImeWindowsContainers.getChildCount() - 1; i >= 0; --i) { final WindowToken windowToken = mImeWindowsContainers.getChildAt(i); windowToken.writeToProto(proto, IME_WINDOWS, trim); } proto.write(DPI, mBaseDisplayDensity); mDisplayInfo.writeToProto(proto, DISPLAY_INFO); proto.write(ROTATION, mRotation); final ScreenRotationAnimation screenRotationAnimation = mService.mAnimator.getScreenRotationAnimationLocked(mDisplayId); if (screenRotationAnimation != null) { screenRotationAnimation.writeToProto(proto, SCREEN_ROTATION_ANIMATION); } mDisplayFrames.writeToProto(proto, DISPLAY_FRAMES); proto.end(token); } @Override public void dump(PrintWriter pw, String prefix, boolean dumpAll) { super.dump(pw, prefix, dumpAll); pw.print(prefix); pw.print("Display: mDisplayId="); pw.println(mDisplayId); final String subPrefix = " " + prefix; pw.print(subPrefix); pw.print("init="); pw.print(mInitialDisplayWidth); pw.print("x"); pw.print(mInitialDisplayHeight); pw.print(" "); pw.print(mInitialDisplayDensity); pw.print("dpi"); if (mInitialDisplayWidth != mBaseDisplayWidth || mInitialDisplayHeight != mBaseDisplayHeight || mInitialDisplayDensity != mBaseDisplayDensity) { pw.print(" base="); pw.print(mBaseDisplayWidth); pw.print("x"); pw.print(mBaseDisplayHeight); pw.print(" "); pw.print(mBaseDisplayDensity); pw.print("dpi"); } if (mDisplayScalingDisabled) { pw.println(" noscale"); } pw.print(" cur="); pw.print(mDisplayInfo.logicalWidth); pw.print("x"); pw.print(mDisplayInfo.logicalHeight); pw.print(" app="); pw.print(mDisplayInfo.appWidth); pw.print("x"); pw.print(mDisplayInfo.appHeight); pw.print(" rng="); pw.print(mDisplayInfo.smallestNominalAppWidth); pw.print("x"); pw.print(mDisplayInfo.smallestNominalAppHeight); pw.print("-"); pw.print(mDisplayInfo.largestNominalAppWidth); pw.print("x"); pw.println(mDisplayInfo.largestNominalAppHeight); pw.print(subPrefix + "deferred=" + mDeferredRemoval + " mLayoutNeeded=" + mLayoutNeeded); pw.println(" mTouchExcludeRegion=" + mTouchExcludeRegion); pw.println(); pw.print(prefix); pw.print("mLayoutSeq="); pw.println(mLayoutSeq); pw.println(); pw.println(prefix + "Application tokens in top down Z order:"); for (int stackNdx = mTaskStackContainers.getChildCount() - 1; stackNdx >= 0; --stackNdx) { final TaskStack stack = mTaskStackContainers.getChildAt(stackNdx); stack.dump(pw, prefix + " ", dumpAll); } pw.println(); if (!mExitingTokens.isEmpty()) { pw.println(); pw.println(" Exiting tokens:"); for (int i = mExitingTokens.size() - 1; i >= 0; i--) { final WindowToken token = mExitingTokens.get(i); pw.print(" Exiting #"); pw.print(i); pw.print(' '); pw.print(token); pw.println(':'); token.dump(pw, " ", dumpAll); } } pw.println(); // Dump stack references final TaskStack homeStack = getHomeStack(); if (homeStack != null) { pw.println(prefix + "homeStack=" + homeStack.getName()); } final TaskStack pinnedStack = getPinnedStack(); if (pinnedStack != null) { pw.println(prefix + "pinnedStack=" + pinnedStack.getName()); } final TaskStack splitScreenPrimaryStack = getSplitScreenPrimaryStack(); if (splitScreenPrimaryStack != null) { pw.println(prefix + "splitScreenPrimaryStack=" + splitScreenPrimaryStack.getName()); } pw.println(); mDividerControllerLocked.dump(prefix, pw); pw.println(); mPinnedStackControllerLocked.dump(prefix, pw); pw.println(); mDisplayFrames.dump(prefix, pw); } @Override public String toString() { return "Display " + mDisplayId + " info=" + mDisplayInfo + " stacks=" + mChildren; } String getName() { return "Display " + mDisplayId + " name=\"" + mDisplayInfo.name + "\""; } /** Returns true if the stack in the windowing mode is visible. */ boolean isStackVisible(int windowingMode) { final TaskStack stack = getTopStackInWindowingMode(windowingMode); return stack != null && stack.isVisible(); } /** Find the visible, touch-deliverable window under the given point */ WindowState getTouchableWinAtPointLocked(float xf, float yf) { final int x = (int) xf; final int y = (int) yf; final WindowState touchedWin = getWindow(w -> { final int flags = w.mAttrs.flags; if (!w.isVisibleLw()) { return false; } if ((flags & FLAG_NOT_TOUCHABLE) != 0) { return false; } w.getVisibleBounds(mTmpRect); if (!mTmpRect.contains(x, y)) { return false; } w.getTouchableRegion(mTmpRegion); final int touchFlags = flags & (FLAG_NOT_FOCUSABLE | FLAG_NOT_TOUCH_MODAL); return mTmpRegion.contains(x, y) || touchFlags == 0; }); return touchedWin; } boolean canAddToastWindowForUid(int uid) { // We allow one toast window per UID being shown at a time. // Also if the app is focused adding more than one toast at // a time for better backwards compatibility. final WindowState focusedWindowForUid = getWindow(w -> w.mOwnerUid == uid && w.isFocused()); if (focusedWindowForUid != null) { return true; } final WindowState win = getWindow(w -> w.mAttrs.type == TYPE_TOAST && w.mOwnerUid == uid && !w.mPermanentlyHidden && !w.mWindowRemovalAllowed); return win == null; } void scheduleToastWindowsTimeoutIfNeededLocked(WindowState oldFocus, WindowState newFocus) { if (oldFocus == null || (newFocus != null && newFocus.mOwnerUid == oldFocus.mOwnerUid)) { return; } // Used to communicate the old focus to the callback method. mTmpWindow = oldFocus; forAllWindows(mScheduleToastTimeout, false /* traverseTopToBottom */); } WindowState findFocusedWindow() { mTmpWindow = null; forAllWindows(mFindFocusedWindow, true /* traverseTopToBottom */); if (mTmpWindow == null) { if (DEBUG_FOCUS_LIGHT) Slog.v(TAG_WM, "findFocusedWindow: No focusable windows."); return null; } return mTmpWindow; } /** Updates the layer assignment of windows on this display. */ void assignWindowLayers(boolean setLayoutNeeded) { Trace.traceBegin(Trace.TRACE_TAG_WINDOW_MANAGER, "assignWindowLayers"); assignChildLayers(getPendingTransaction()); if (setLayoutNeeded) { setLayoutNeeded(); } // We accumlate the layer changes in-to "getPendingTransaction()" but we defer // the application of this transaction until the animation pass triggers // prepareSurfaces. This allows us to synchronize Z-ordering changes with // the hiding and showing of surfaces. scheduleAnimation(); Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER); } // TODO: This should probably be called any time a visual change is made to the hierarchy like // moving containers or resizing them. Need to investigate the best way to have it automatically // happen so we don't run into issues with programmers forgetting to do it. void layoutAndAssignWindowLayersIfNeeded() { mService.mWindowsChanged = true; setLayoutNeeded(); if (!mService.updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES, false /*updateInputWindows*/)) { assignWindowLayers(false /* setLayoutNeeded */); } mService.mInputMonitor.setUpdateInputWindowsNeededLw(); mService.mWindowPlacerLocked.performSurfacePlacement(); mService.mInputMonitor.updateInputWindowsLw(false /*force*/); } /** Returns true if a leaked surface was destroyed */ boolean destroyLeakedSurfaces() { // Used to indicate that a surface was leaked. mTmpWindow = null; forAllWindows(w -> { final WindowStateAnimator wsa = w.mWinAnimator; if (wsa.mSurfaceController == null) { return; } if (!mService.mSessions.contains(wsa.mSession)) { Slog.w(TAG_WM, "LEAKED SURFACE (session doesn't exist): " + w + " surface=" + wsa.mSurfaceController + " token=" + w.mToken + " pid=" + w.mSession.mPid + " uid=" + w.mSession.mUid); wsa.destroySurface(); mService.mForceRemoves.add(w); mTmpWindow = w; } else if (w.mAppToken != null && w.mAppToken.isClientHidden()) { Slog.w(TAG_WM, "LEAKED SURFACE (app token hidden): " + w + " surface=" + wsa.mSurfaceController + " token=" + w.mAppToken); if (SHOW_TRANSACTIONS) logSurface(w, "LEAK DESTROY", false); wsa.destroySurface(); mTmpWindow = w; } }, false /* traverseTopToBottom */); return mTmpWindow != null; } /** * Determine and return the window that should be the IME target. * @param updateImeTarget If true the system IME target will be updated to match what we found. * @return The window that should be used as the IME target or null if there isn't any. */ WindowState computeImeTarget(boolean updateImeTarget) { if (mService.mInputMethodWindow == null) { // There isn't an IME so there shouldn't be a target...That was easy! if (updateImeTarget) { if (DEBUG_INPUT_METHOD) Slog.w(TAG_WM, "Moving IM target from " + mService.mInputMethodTarget + " to null since mInputMethodWindow is null"); setInputMethodTarget(null, mService.mInputMethodTargetWaitingAnim); } return null; } final WindowState curTarget = mService.mInputMethodTarget; if (!canUpdateImeTarget()) { if (DEBUG_INPUT_METHOD) Slog.w(TAG_WM, "Defer updating IME target"); return curTarget; } // TODO(multidisplay): Needs some serious rethought when the target and IME are not on the // same display. Or even when the current IME/target are not on the same screen as the next // IME/target. For now only look for input windows on the main screen. mUpdateImeTarget = updateImeTarget; WindowState target = getWindow(mComputeImeTargetPredicate); // Yet more tricksyness! If this window is a "starting" window, we do actually want // to be on top of it, but it is not -really- where input will go. So look down below // for a real window to target... if (target != null && target.mAttrs.type == TYPE_APPLICATION_STARTING) { final AppWindowToken token = target.mAppToken; if (token != null) { final WindowState betterTarget = token.getImeTargetBelowWindow(target); if (betterTarget != null) { target = betterTarget; } } } if (DEBUG_INPUT_METHOD && updateImeTarget) Slog.v(TAG_WM, "Proposed new IME target: " + target); // Now, a special case -- if the last target's window is in the process of exiting, and the // new target is home, keep on the last target to avoid flicker. Home is a special case // since its above other stacks in the ordering list, but layed out below the others. if (curTarget != null && curTarget.isDisplayedLw() && curTarget.isClosing() && (target == null || target.isActivityTypeHome())) { if (DEBUG_INPUT_METHOD) Slog.v(TAG_WM, "New target is home while current target is " + "closing, not changing"); return curTarget; } if (DEBUG_INPUT_METHOD) Slog.v(TAG_WM, "Desired input method target=" + target + " updateImeTarget=" + updateImeTarget); if (target == null) { if (updateImeTarget) { if (DEBUG_INPUT_METHOD) Slog.w(TAG_WM, "Moving IM target from " + curTarget + " to null." + (SHOW_STACK_CRAWLS ? " Callers=" + Debug.getCallers(4) : "")); setInputMethodTarget(null, mService.mInputMethodTargetWaitingAnim); } return null; } if (updateImeTarget) { AppWindowToken token = curTarget == null ? null : curTarget.mAppToken; if (token != null) { // Now some fun for dealing with window animations that modify the Z order. We need // to look at all windows below the current target that are in this app, finding the // highest visible one in layering. WindowState highestTarget = null; if (token.isSelfAnimating()) { highestTarget = token.getHighestAnimLayerWindow(curTarget); } if (highestTarget != null) { final AppTransition appTransition = mService.mAppTransition; if (DEBUG_INPUT_METHOD) Slog.v(TAG_WM, appTransition + " " + highestTarget + " animating=" + highestTarget.mWinAnimator.isAnimationSet() + " layer=" + highestTarget.mWinAnimator.mAnimLayer + " new layer=" + target.mWinAnimator.mAnimLayer); if (appTransition.isTransitionSet()) { // If we are currently setting up for an animation, hold everything until we // can find out what will happen. setInputMethodTarget(highestTarget, true); return highestTarget; } else if (highestTarget.mWinAnimator.isAnimationSet() && highestTarget.mWinAnimator.mAnimLayer > target.mWinAnimator.mAnimLayer) { // If the window we are currently targeting is involved with an animation, // and it is on top of the next target we will be over, then hold off on // moving until that is done. setInputMethodTarget(highestTarget, true); return highestTarget; } } } if (DEBUG_INPUT_METHOD) Slog.w(TAG_WM, "Moving IM target from " + curTarget + " to " + target + (SHOW_STACK_CRAWLS ? " Callers=" + Debug.getCallers(4) : "")); setInputMethodTarget(target, false); } return target; } private void setInputMethodTarget(WindowState target, boolean targetWaitingAnim) { if (target == mService.mInputMethodTarget && mService.mInputMethodTargetWaitingAnim == targetWaitingAnim) { return; } mService.mInputMethodTarget = target; mService.mInputMethodTargetWaitingAnim = targetWaitingAnim; assignWindowLayers(false /* setLayoutNeeded */); } boolean getNeedsMenu(WindowState top, WindowManagerPolicy.WindowState bottom) { if (top.mAttrs.needsMenuKey != NEEDS_MENU_UNSET) { return top.mAttrs.needsMenuKey == NEEDS_MENU_SET_TRUE; } // Used to indicate we have reached the first window in the range we are interested in. mTmpWindow = null; // TODO: Figure-out a more efficient way to do this. final WindowState candidate = getWindow(w -> { if (w == top) { // Reached the first window in the range we are interested in. mTmpWindow = w; } if (mTmpWindow == null) { return false; } if (w.mAttrs.needsMenuKey != NEEDS_MENU_UNSET) { return true; } // If we reached the bottom of the range of windows we are considering, // assume no menu is needed. if (w == bottom) { return true; } return false; }); return candidate != null && candidate.mAttrs.needsMenuKey == NEEDS_MENU_SET_TRUE; } void setLayoutNeeded() { if (DEBUG_LAYOUT) Slog.w(TAG_WM, "setLayoutNeeded: callers=" + Debug.getCallers(3)); mLayoutNeeded = true; } private void clearLayoutNeeded() { if (DEBUG_LAYOUT) Slog.w(TAG_WM, "clearLayoutNeeded: callers=" + Debug.getCallers(3)); mLayoutNeeded = false; } boolean isLayoutNeeded() { return mLayoutNeeded; } void dumpTokens(PrintWriter pw, boolean dumpAll) { if (mTokenMap.isEmpty()) { return; } pw.println(" Display #" + mDisplayId); final Iterator it = mTokenMap.values().iterator(); while (it.hasNext()) { final WindowToken token = it.next(); pw.print(" "); pw.print(token); if (dumpAll) { pw.println(':'); token.dump(pw, " ", dumpAll); } else { pw.println(); } } } void dumpWindowAnimators(PrintWriter pw, String subPrefix) { final int[] index = new int[1]; forAllWindows(w -> { final WindowStateAnimator wAnim = w.mWinAnimator; pw.println(subPrefix + "Window #" + index[0] + ": " + wAnim); index[0] = index[0] + 1; }, false /* traverseTopToBottom */); } /** * Starts the Keyguard exit animation on all windows that don't belong to an app token. */ void startKeyguardExitOnNonAppWindows(boolean onWallpaper, boolean goingToShade) { final WindowManagerPolicy policy = mService.mPolicy; forAllWindows(w -> { if (w.mAppToken == null && policy.canBeHiddenByKeyguardLw(w) && w.wouldBeVisibleIfPolicyIgnored() && !w.isVisible()) { w.startAnimation(policy.createHiddenByKeyguardExit(onWallpaper, goingToShade)); } }, true /* traverseTopToBottom */); } boolean checkWaitingForWindows() { mHaveBootMsg = false; mHaveApp = false; mHaveWallpaper = false; mHaveKeyguard = true; final WindowState visibleWindow = getWindow(w -> { if (w.isVisibleLw() && !w.mObscured && !w.isDrawnLw()) { return true; } if (w.isDrawnLw()) { if (w.mAttrs.type == TYPE_BOOT_PROGRESS) { mHaveBootMsg = true; } else if (w.mAttrs.type == TYPE_APPLICATION || w.mAttrs.type == TYPE_DRAWN_APPLICATION) { mHaveApp = true; } else if (w.mAttrs.type == TYPE_WALLPAPER) { mHaveWallpaper = true; } else if (w.mAttrs.type == TYPE_STATUS_BAR) { mHaveKeyguard = mService.mPolicy.isKeyguardDrawnLw(); } } return false; }); if (visibleWindow != null) { // We have a visible window. return true; } // if the wallpaper service is disabled on the device, we're never going to have // wallpaper, don't bother waiting for it boolean wallpaperEnabled = mService.mContext.getResources().getBoolean( com.android.internal.R.bool.config_enableWallpaperService) && mService.mContext.getResources().getBoolean( com.android.internal.R.bool.config_checkWallpaperAtBoot) && !mService.mOnlyCore; if (DEBUG_SCREEN_ON || DEBUG_BOOT) Slog.i(TAG_WM, "******** booted=" + mService.mSystemBooted + " msg=" + mService.mShowingBootMessages + " haveBoot=" + mHaveBootMsg + " haveApp=" + mHaveApp + " haveWall=" + mHaveWallpaper + " wallEnabled=" + wallpaperEnabled + " haveKeyguard=" + mHaveKeyguard); // If we are turning on the screen to show the boot message, don't do it until the boot // message is actually displayed. if (!mService.mSystemBooted && !mHaveBootMsg) { return true; } // If we are turning on the screen after the boot is completed normally, don't do so until // we have the application and wallpaper. if (mService.mSystemBooted && ((!mHaveApp && !mHaveKeyguard) || (wallpaperEnabled && !mHaveWallpaper))) { return true; } return false; } void updateWindowsForAnimator(WindowAnimator animator) { mTmpWindowAnimator = animator; forAllWindows(mUpdateWindowsForAnimator, true /* traverseTopToBottom */); } void updateWallpaperForAnimator(WindowAnimator animator) { resetAnimationBackgroundAnimator(); // Used to indicate a detached wallpaper. mTmpWindow = null; mTmpWindowAnimator = animator; forAllWindows(mUpdateWallpaperForAnimator, true /* traverseTopToBottom */); if (animator.mWindowDetachedWallpaper != mTmpWindow) { if (DEBUG_WALLPAPER) Slog.v(TAG, "Detached wallpaper changed from " + animator.mWindowDetachedWallpaper + " to " + mTmpWindow); animator.mWindowDetachedWallpaper = mTmpWindow; animator.mBulkUpdateParams |= SET_WALLPAPER_MAY_CHANGE; } } boolean inputMethodClientHasFocus(IInputMethodClient client) { final WindowState imFocus = computeImeTarget(false /* updateImeTarget */); if (imFocus == null) { return false; } if (DEBUG_INPUT_METHOD) { Slog.i(TAG_WM, "Desired input method target: " + imFocus); Slog.i(TAG_WM, "Current focus: " + mService.mCurrentFocus); Slog.i(TAG_WM, "Last focus: " + mService.mLastFocus); } final IInputMethodClient imeClient = imFocus.mSession.mClient; if (DEBUG_INPUT_METHOD) { Slog.i(TAG_WM, "IM target client: " + imeClient); if (imeClient != null) { Slog.i(TAG_WM, "IM target client binder: " + imeClient.asBinder()); Slog.i(TAG_WM, "Requesting client binder: " + client.asBinder()); } } return imeClient != null && imeClient.asBinder() == client.asBinder(); } boolean hasSecureWindowOnScreen() { final WindowState win = getWindow( w -> w.isOnScreen() && (w.mAttrs.flags & FLAG_SECURE) != 0); return win != null; } void updateSystemUiVisibility(int visibility, int globalDiff) { forAllWindows(w -> { try { final int curValue = w.mSystemUiVisibility; final int diff = (curValue ^ visibility) & globalDiff; final int newValue = (curValue & ~diff) | (visibility & diff); if (newValue != curValue) { w.mSeq++; w.mSystemUiVisibility = newValue; } if (newValue != curValue || w.mAttrs.hasSystemUiListeners) { w.mClient.dispatchSystemUiVisibilityChanged(w.mSeq, visibility, newValue, diff); } } catch (RemoteException e) { // so sorry } }, true /* traverseTopToBottom */); } void onWindowFreezeTimeout() { Slog.w(TAG_WM, "Window freeze timeout expired."); mService.mWindowsFreezingScreen = WINDOWS_FREEZING_SCREENS_TIMEOUT; forAllWindows(w -> { if (!w.getOrientationChanging()) { return; } w.orientationChangeTimedOut(); w.mLastFreezeDuration = (int)(SystemClock.elapsedRealtime() - mService.mDisplayFreezeTime); Slog.w(TAG_WM, "Force clearing orientation change: " + w); }, true /* traverseTopToBottom */); mService.mWindowPlacerLocked.performSurfacePlacement(); } void waitForAllWindowsDrawn() { final WindowManagerPolicy policy = mService.mPolicy; forAllWindows(w -> { final boolean keyguard = policy.isKeyguardHostWindow(w.mAttrs); if (w.isVisibleLw() && (w.mAppToken != null || keyguard)) { w.mWinAnimator.mDrawState = DRAW_PENDING; // Force add to mResizingWindows. w.mLastContentInsets.set(-1, -1, -1, -1); mService.mWaitingForDrawn.add(w); } }, true /* traverseTopToBottom */); } // TODO: Super crazy long method that should be broken down... boolean applySurfaceChangesTransaction(boolean recoveringMemory) { final int dw = mDisplayInfo.logicalWidth; final int dh = mDisplayInfo.logicalHeight; final WindowSurfacePlacer surfacePlacer = mService.mWindowPlacerLocked; mTmpUpdateAllDrawn.clear(); int repeats = 0; do { repeats++; if (repeats > 6) { Slog.w(TAG, "Animation repeat aborted after too many iterations"); clearLayoutNeeded(); break; } if (DEBUG_LAYOUT_REPEATS) surfacePlacer.debugLayoutRepeats("On entry to LockedInner", pendingLayoutChanges); // TODO(multi-display): For now adjusting wallpaper only on primary display to avoid // the wallpaper window jumping across displays. // Remove check for default display when there will be support for multiple wallpaper // targets (on different displays). if (isDefaultDisplay && (pendingLayoutChanges & FINISH_LAYOUT_REDO_WALLPAPER) != 0) { mWallpaperController.adjustWallpaperWindows(this); } if (isDefaultDisplay && (pendingLayoutChanges & FINISH_LAYOUT_REDO_CONFIG) != 0) { if (DEBUG_LAYOUT) Slog.v(TAG, "Computing new config from layout"); if (mService.updateOrientationFromAppTokensLocked(mDisplayId)) { setLayoutNeeded(); mService.mH.obtainMessage(SEND_NEW_CONFIGURATION, mDisplayId).sendToTarget(); } } if ((pendingLayoutChanges & FINISH_LAYOUT_REDO_LAYOUT) != 0) { setLayoutNeeded(); } // FIRST LOOP: Perform a layout, if needed. if (repeats < LAYOUT_REPEAT_THRESHOLD) { performLayout(repeats == 1, false /* updateInputWindows */); } else { Slog.w(TAG, "Layout repeat skipped after too many iterations"); } // FIRST AND ONE HALF LOOP: Make WindowManagerPolicy think it is animating. pendingLayoutChanges = 0; if (isDefaultDisplay) { mService.mPolicy.beginPostLayoutPolicyLw(dw, dh); forAllWindows(mApplyPostLayoutPolicy, true /* traverseTopToBottom */); pendingLayoutChanges |= mService.mPolicy.finishPostLayoutPolicyLw(); if (DEBUG_LAYOUT_REPEATS) surfacePlacer.debugLayoutRepeats( "after finishPostLayoutPolicyLw", pendingLayoutChanges); } } while (pendingLayoutChanges != 0); mTmpApplySurfaceChangesTransactionState.reset(); mTmpRecoveringMemory = recoveringMemory; forAllWindows(mApplySurfaceChangesTransaction, true /* traverseTopToBottom */); prepareSurfaces(); mService.mDisplayManagerInternal.setDisplayProperties(mDisplayId, mTmpApplySurfaceChangesTransactionState.displayHasContent, mTmpApplySurfaceChangesTransactionState.preferredRefreshRate, mTmpApplySurfaceChangesTransactionState.preferredModeId, true /* inTraversal, must call performTraversalInTrans... below */); final boolean wallpaperVisible = mWallpaperController.isWallpaperVisible(); if (wallpaperVisible != mLastWallpaperVisible) { mLastWallpaperVisible = wallpaperVisible; mService.mWallpaperVisibilityListeners.notifyWallpaperVisibilityChanged(this); } while (!mTmpUpdateAllDrawn.isEmpty()) { final AppWindowToken atoken = mTmpUpdateAllDrawn.removeLast(); // See if any windows have been drawn, so they (and others associated with them) // can now be shown. atoken.updateAllDrawn(); } return mTmpApplySurfaceChangesTransactionState.focusDisplayed; } private void updateBounds() { calculateBounds(mTmpBounds); setBounds(mTmpBounds); } // Determines the current display bounds based on the current state private void calculateBounds(Rect out) { // Uses same calculation as in LogicalDisplay#configureDisplayInTransactionLocked. final int orientation = mDisplayInfo.rotation; boolean rotated = (orientation == ROTATION_90 || orientation == ROTATION_270); final int physWidth = rotated ? mBaseDisplayHeight : mBaseDisplayWidth; final int physHeight = rotated ? mBaseDisplayWidth : mBaseDisplayHeight; int width = mDisplayInfo.logicalWidth; int left = (physWidth - width) / 2; int height = mDisplayInfo.logicalHeight; int top = (physHeight - height) / 2; out.set(left, top, left + width, top + height); } @Override public void getBounds(Rect out) { calculateBounds(out); } private void getBounds(Rect out, int orientation) { getBounds(out); // Rotate the Rect if needed. final int currentRotation = mDisplayInfo.rotation; final int rotationDelta = deltaRotation(currentRotation, orientation); if (rotationDelta == ROTATION_90 || rotationDelta == ROTATION_270) { createRotationMatrix(rotationDelta, mBaseDisplayWidth, mBaseDisplayHeight, mTmpMatrix); mTmpRectF.set(out); mTmpMatrix.mapRect(mTmpRectF); mTmpRectF.round(out); } } void performLayout(boolean initial, boolean updateInputWindows) { if (!isLayoutNeeded()) { return; } clearLayoutNeeded(); final int dw = mDisplayInfo.logicalWidth; final int dh = mDisplayInfo.logicalHeight; if (DEBUG_LAYOUT) { Slog.v(TAG, "-------------------------------------"); Slog.v(TAG, "performLayout: needed=" + isLayoutNeeded() + " dw=" + dw + " dh=" + dh); } mDisplayFrames.onDisplayInfoUpdated(mDisplayInfo, calculateDisplayCutoutForRotation(mDisplayInfo.rotation)); // TODO: Not sure if we really need to set the rotation here since we are updating from the // display info above... mDisplayFrames.mRotation = mRotation; mService.mPolicy.beginLayoutLw(mDisplayFrames, getConfiguration().uiMode); if (isDefaultDisplay) { // Not needed on non-default displays. mService.mSystemDecorLayer = mService.mPolicy.getSystemDecorLayerLw(); mService.mScreenRect.set(0, 0, dw, dh); } int seq = mLayoutSeq + 1; if (seq < 0) seq = 0; mLayoutSeq = seq; // Used to indicate that we have processed the dream window and all additional windows are // behind it. mTmpWindow = null; mTmpInitial = initial; // First perform layout of any root windows (not attached to another window). forAllWindows(mPerformLayout, true /* traverseTopToBottom */); // Used to indicate that we have processed the dream window and all additional attached // windows are behind it. mTmpWindow2 = mTmpWindow; mTmpWindow = null; // Now perform layout of attached windows, which usually depend on the position of the // window they are attached to. XXX does not deal with windows that are attached to windows // that are themselves attached. forAllWindows(mPerformLayoutAttached, true /* traverseTopToBottom */); // Window frames may have changed. Tell the input dispatcher about it. mService.mInputMonitor.layoutInputConsumers(dw, dh); mService.mInputMonitor.setUpdateInputWindowsNeededLw(); if (updateInputWindows) { mService.mInputMonitor.updateInputWindowsLw(false /*force*/); } mService.mH.sendEmptyMessage(UPDATE_DOCKED_STACK_DIVIDER); } /** * Takes a snapshot of the display. In landscape mode this grabs the whole screen. * In portrait mode, it grabs the full screenshot. * * @param config of the output bitmap */ Bitmap screenshotDisplayLocked(Bitmap.Config config) { if (!mService.mPolicy.isScreenOn()) { if (DEBUG_SCREENSHOT) { Slog.i(TAG_WM, "Attempted to take screenshot while display was off."); } return null; } int dw = mDisplayInfo.logicalWidth; int dh = mDisplayInfo.logicalHeight; if (dw <= 0 || dh <= 0) { return null; } final Rect frame = new Rect(0, 0, dw, dh); // The screenshot API does not apply the current screen rotation. int rot = mDisplay.getRotation(); if (rot == ROTATION_90 || rot == ROTATION_270) { rot = (rot == ROTATION_90) ? ROTATION_270 : ROTATION_90; } // SurfaceFlinger is not aware of orientation, so convert our logical // crop to SurfaceFlinger's portrait orientation. convertCropForSurfaceFlinger(frame, rot, dw, dh); final ScreenRotationAnimation screenRotationAnimation = mService.mAnimator.getScreenRotationAnimationLocked(DEFAULT_DISPLAY); final boolean inRotation = screenRotationAnimation != null && screenRotationAnimation.isAnimating(); if (DEBUG_SCREENSHOT && inRotation) Slog.v(TAG_WM, "Taking screenshot while rotating"); // TODO(b/68392460): We should screenshot Task controls directly // but it's difficult at the moment as the Task doesn't have the // correct size set. final Bitmap bitmap = SurfaceControl.screenshot(frame, dw, dh, 0, 1, inRotation, rot); if (bitmap == null) { Slog.w(TAG_WM, "Failed to take screenshot"); return null; } // Create a copy of the screenshot that is immutable and backed in ashmem. // This greatly reduces the overhead of passing the bitmap between processes. final Bitmap ret = bitmap.createAshmemBitmap(config); bitmap.recycle(); return ret; } // TODO: Can this use createRotationMatrix()? private static void convertCropForSurfaceFlinger(Rect crop, int rot, int dw, int dh) { if (rot == Surface.ROTATION_90) { final int tmp = crop.top; crop.top = dw - crop.right; crop.right = crop.bottom; crop.bottom = dw - crop.left; crop.left = tmp; } else if (rot == Surface.ROTATION_180) { int tmp = crop.top; crop.top = dh - crop.bottom; crop.bottom = dh - tmp; tmp = crop.right; crop.right = dw - crop.left; crop.left = dw - tmp; } else if (rot == Surface.ROTATION_270) { final int tmp = crop.top; crop.top = crop.left; crop.left = dh - crop.bottom; crop.bottom = crop.right; crop.right = dh - tmp; } } void onSeamlessRotationTimeout() { // Used to indicate the layout is needed. mTmpWindow = null; forAllWindows(w -> { if (!w.mSeamlesslyRotated) { return; } mTmpWindow = w; w.setDisplayLayoutNeeded(); mService.markForSeamlessRotation(w, false); }, true /* traverseTopToBottom */); if (mTmpWindow != null) { mService.mWindowPlacerLocked.performSurfacePlacement(); } } void setExitingTokensHasVisible(boolean hasVisible) { for (int i = mExitingTokens.size() - 1; i >= 0; i--) { mExitingTokens.get(i).hasVisible = hasVisible; } // Initialize state of exiting applications. mTaskStackContainers.setExitingTokensHasVisible(hasVisible); } void removeExistingTokensIfPossible() { for (int i = mExitingTokens.size() - 1; i >= 0; i--) { final WindowToken token = mExitingTokens.get(i); if (!token.hasVisible) { mExitingTokens.remove(i); } } // Time to remove any exiting applications? mTaskStackContainers.removeExistingAppTokensIfPossible(); } @Override void onDescendantOverrideConfigurationChanged() { setLayoutNeeded(); mService.requestTraversal(); } boolean okToDisplay() { if (mDisplayId == DEFAULT_DISPLAY) { return !mService.mDisplayFrozen && mService.mDisplayEnabled && mService.mPolicy.isScreenOn(); } return mDisplayInfo.state == Display.STATE_ON; } boolean okToAnimate() { return okToDisplay() && (mDisplayId != DEFAULT_DISPLAY || mService.mPolicy.okToAnimate()); } static final class TaskForResizePointSearchResult { boolean searchDone; Task taskForResize; void reset() { searchDone = false; taskForResize = null; } } private static final class ApplySurfaceChangesTransactionState { boolean displayHasContent; boolean obscured; boolean syswin; boolean focusDisplayed; float preferredRefreshRate; int preferredModeId; void reset() { displayHasContent = false; obscured = false; syswin = false; focusDisplayed = false; preferredRefreshRate = 0; preferredModeId = 0; } } private static final class ScreenshotApplicationState { WindowState appWin; int maxLayer; int minLayer; boolean screenshotReady; void reset(boolean screenshotReady) { appWin = null; maxLayer = 0; minLayer = 0; this.screenshotReady = screenshotReady; minLayer = (screenshotReady) ? 0 : Integer.MAX_VALUE; } } /** * Base class for any direct child window container of {@link #DisplayContent} need to inherit * from. This is mainly a pass through class that allows {@link #DisplayContent} to have * homogeneous children type which is currently required by sub-classes of * {@link WindowContainer} class. */ static class DisplayChildWindowContainer extends WindowContainer { DisplayChildWindowContainer(WindowManagerService service) { super(service); } @Override boolean fillsParent() { return true; } @Override boolean isVisible() { return true; } } /** * Window container class that contains all containers on this display relating to Apps. * I.e Activities. */ private final class TaskStackContainers extends DisplayChildWindowContainer { /** * A control placed at the appropriate level for transitions to occur. */ SurfaceControl mAppAnimationLayer = null; SurfaceControl mBoostedAppAnimationLayer = null; SurfaceControl mHomeAppAnimationLayer = null; /** * Given that the split-screen divider does not have an AppWindowToken, it * will have to live inside of a "NonAppWindowContainer", in particular * {@link DisplayContent#mAboveAppWindowsContainers}. However, in visual Z order * it will need to be interleaved with some of our children, appearing on top of * both docked stacks but underneath any assistant stacks. * * To solve this problem we have this anchor control, which will always exist so * we can always assign it the correct value in our {@link #assignChildLayers}. * Likewise since it always exists, {@link AboveAppWindowContainers} can always * assign the divider a layer relative to it. This way we prevent linking lifecycle * events between the two containers. */ SurfaceControl mSplitScreenDividerAnchor = null; // Cached reference to some special stacks we tend to get a lot so we don't need to loop // through the list to find them. private TaskStack mHomeStack = null; private TaskStack mPinnedStack = null; private TaskStack mSplitScreenPrimaryStack = null; TaskStackContainers(WindowManagerService service) { super(service); } /** * Returns the topmost stack on the display that is compatible with the input windowing mode * and activity type. Null is no compatible stack on the display. */ TaskStack getStack(int windowingMode, int activityType) { if (activityType == ACTIVITY_TYPE_HOME) { return mHomeStack; } if (windowingMode == WINDOWING_MODE_PINNED) { return mPinnedStack; } else if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY) { return mSplitScreenPrimaryStack; } for (int i = mTaskStackContainers.getChildCount() - 1; i >= 0; --i) { final TaskStack stack = mTaskStackContainers.getChildAt(i); if (activityType == ACTIVITY_TYPE_UNDEFINED && windowingMode == stack.getWindowingMode()) { // Passing in undefined type means we want to match the topmost stack with the // windowing mode. return stack; } if (stack.isCompatible(windowingMode, activityType)) { return stack; } } return null; } @VisibleForTesting TaskStack getTopStack() { return mTaskStackContainers.getChildCount() > 0 ? mTaskStackContainers.getChildAt(mTaskStackContainers.getChildCount() - 1) : null; } TaskStack getHomeStack() { if (mHomeStack == null && mDisplayId == DEFAULT_DISPLAY) { Slog.e(TAG_WM, "getHomeStack: Returning null from this=" + this); } return mHomeStack; } TaskStack getPinnedStack() { return mPinnedStack; } TaskStack getSplitScreenPrimaryStack() { return mSplitScreenPrimaryStack; } ArrayList getVisibleTasks() { final ArrayList visibleTasks = new ArrayList<>(); forAllTasks(task -> { if (task.isVisible()) { visibleTasks.add(task); } }); return visibleTasks; } /** * Adds the stack to this container. * @see DisplayContent#createStack(int, boolean, StackWindowController) */ void addStackToDisplay(TaskStack stack, boolean onTop) { addStackReferenceIfNeeded(stack); addChild(stack, onTop); stack.onDisplayChanged(DisplayContent.this); } void onStackWindowingModeChanged(TaskStack stack) { removeStackReferenceIfNeeded(stack); addStackReferenceIfNeeded(stack); if (stack == mPinnedStack && getTopStack() != stack) { // Looks like this stack changed windowing mode to pinned. Move it to the top. positionChildAt(POSITION_TOP, stack, false /* includingParents */); } } private void addStackReferenceIfNeeded(TaskStack stack) { if (stack.isActivityTypeHome()) { if (mHomeStack != null) { throw new IllegalArgumentException("addStackReferenceIfNeeded: home stack=" + mHomeStack + " already exist on display=" + this + " stack=" + stack); } mHomeStack = stack; } final int windowingMode = stack.getWindowingMode(); if (windowingMode == WINDOWING_MODE_PINNED) { if (mPinnedStack != null) { throw new IllegalArgumentException("addStackReferenceIfNeeded: pinned stack=" + mPinnedStack + " already exist on display=" + this + " stack=" + stack); } mPinnedStack = stack; } else if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY) { if (mSplitScreenPrimaryStack != null) { throw new IllegalArgumentException("addStackReferenceIfNeeded:" + " split-screen-primary" + " stack=" + mSplitScreenPrimaryStack + " already exist on display=" + this + " stack=" + stack); } mSplitScreenPrimaryStack = stack; mDividerControllerLocked.notifyDockedStackExistsChanged(true); } } private void removeStackReferenceIfNeeded(TaskStack stack) { if (stack == mHomeStack) { mHomeStack = null; } else if (stack == mPinnedStack) { mPinnedStack = null; } else if (stack == mSplitScreenPrimaryStack) { mSplitScreenPrimaryStack = null; // Re-set the split-screen create mode whenever the split-screen stack is removed. mService.setDockedStackCreateStateLocked( SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT, null /* initialBounds */); mDividerControllerLocked.notifyDockedStackExistsChanged(false); } } private void addChild(TaskStack stack, boolean toTop) { final int addIndex = findPositionForStack(toTop ? mChildren.size() : 0, stack, true /* adding */); addChild(stack, addIndex); setLayoutNeeded(); } @Override protected void removeChild(TaskStack stack) { super.removeChild(stack); removeStackReferenceIfNeeded(stack); } @Override boolean isOnTop() { // Considered always on top return true; } @Override void positionChildAt(int position, TaskStack child, boolean includingParents) { if (child.getWindowConfiguration().isAlwaysOnTop() && position != POSITION_TOP) { // This stack is always-on-top, override the default behavior. Slog.w(TAG_WM, "Ignoring move of always-on-top stack=" + this + " to bottom"); // Moving to its current position, as we must call super but we don't want to // perform any meaningful action. final int currentPosition = mChildren.indexOf(child); super.positionChildAt(currentPosition, child, false /* includingParents */); return; } final int targetPosition = findPositionForStack(position, child, false /* adding */); super.positionChildAt(targetPosition, child, includingParents); setLayoutNeeded(); } /** * When stack is added or repositioned, find a proper position for it. * This will make sure that pinned stack always stays on top. * @param requestedPosition Position requested by caller. * @param stack Stack to be added or positioned. * @param adding Flag indicates whether we're adding a new stack or positioning an existing. * @return The proper position for the stack. */ private int findPositionForStack(int requestedPosition, TaskStack stack, boolean adding) { final int topChildPosition = mChildren.size() - 1; boolean toTop = requestedPosition == POSITION_TOP; toTop |= adding ? requestedPosition >= topChildPosition + 1 : requestedPosition >= topChildPosition; int targetPosition = requestedPosition; if (toTop && stack.getWindowingMode() != WINDOWING_MODE_PINNED && hasPinnedStack()) { // The pinned stack is always the top most stack (always-on-top) when it is present. TaskStack topStack = mChildren.get(topChildPosition); if (topStack.getWindowingMode() != WINDOWING_MODE_PINNED) { throw new IllegalStateException("Pinned stack isn't top stack??? " + mChildren); } // So, stack is moved just below the pinned stack. // When we're adding a new stack the target is the current pinned stack position. // When we're positioning an existing stack the target is the position below pinned // stack, because WindowContainer#positionAt() first removes element and then adds // it to specified place. targetPosition = adding ? topChildPosition : topChildPosition - 1; } return targetPosition; } @Override boolean forAllWindows(ToBooleanFunction callback, boolean traverseTopToBottom) { if (traverseTopToBottom) { if (super.forAllWindows(callback, traverseTopToBottom)) { return true; } if (forAllExitingAppTokenWindows(callback, traverseTopToBottom)) { return true; } } else { if (forAllExitingAppTokenWindows(callback, traverseTopToBottom)) { return true; } if (super.forAllWindows(callback, traverseTopToBottom)) { return true; } } return false; } private boolean forAllExitingAppTokenWindows(ToBooleanFunction callback, boolean traverseTopToBottom) { // For legacy reasons we process the TaskStack.mExitingAppTokens first here before the // app tokens. // TODO: Investigate if we need to continue to do this or if we can just process them // in-order. if (traverseTopToBottom) { for (int i = mChildren.size() - 1; i >= 0; --i) { final AppTokenList appTokens = mChildren.get(i).mExitingAppTokens; for (int j = appTokens.size() - 1; j >= 0; --j) { if (appTokens.get(j).forAllWindowsUnchecked(callback, traverseTopToBottom)) { return true; } } } } else { final int count = mChildren.size(); for (int i = 0; i < count; ++i) { final AppTokenList appTokens = mChildren.get(i).mExitingAppTokens; final int appTokensCount = appTokens.size(); for (int j = 0; j < appTokensCount; j++) { if (appTokens.get(j).forAllWindowsUnchecked(callback, traverseTopToBottom)) { return true; } } } } return false; } void setExitingTokensHasVisible(boolean hasVisible) { for (int i = mChildren.size() - 1; i >= 0; --i) { final AppTokenList appTokens = mChildren.get(i).mExitingAppTokens; for (int j = appTokens.size() - 1; j >= 0; --j) { appTokens.get(j).hasVisible = hasVisible; } } } void removeExistingAppTokensIfPossible() { for (int i = mChildren.size() - 1; i >= 0; --i) { final AppTokenList appTokens = mChildren.get(i).mExitingAppTokens; for (int j = appTokens.size() - 1; j >= 0; --j) { final AppWindowToken token = appTokens.get(j); if (!token.hasVisible && !mService.mClosingApps.contains(token) && (!token.mIsExiting || token.isEmpty())) { // Make sure there is no animation running on this token, so any windows // associated with it will be removed as soon as their animations are // complete. cancelAnimation(); if (DEBUG_ADD_REMOVE || DEBUG_TOKEN_MOVEMENT) Slog.v(TAG, "performLayout: App token exiting now removed" + token); token.removeIfPossible(); } } } } @Override int getOrientation() { if (isStackVisible(WINDOWING_MODE_SPLIT_SCREEN_PRIMARY) || isStackVisible(WINDOWING_MODE_FREEFORM)) { // Apps and their containers are not allowed to specify an orientation while the // docked or freeform stack is visible...except for the home stack/task if the // docked stack is minimized and it actually set something. if (mHomeStack != null && mHomeStack.isVisible() && mDividerControllerLocked.isMinimizedDock() // TODO(b/110159357): Work around to unblock the release for failing test // ActivityManagerAppConfigurationTests#testSplitscreenPortraitAppOrientationRequests // which shouldn't be failing since home stack shouldn't be visible. We need // to dig deeper to see why it is failing. NOTE: Not failing on current // master... && !(mDividerControllerLocked.isHomeStackResizable() && mHomeStack.matchParentBounds())) { final int orientation = mHomeStack.getOrientation(); if (orientation != SCREEN_ORIENTATION_UNSET) { return orientation; } } return SCREEN_ORIENTATION_UNSPECIFIED; } final int orientation = super.getOrientation(); boolean isCar = mService.mContext.getPackageManager().hasSystemFeature( PackageManager.FEATURE_AUTOMOTIVE); if (isCar) { // In a car, you cannot physically rotate the screen, so it doesn't make sense to // allow anything but the default orientation. if (DEBUG_ORIENTATION) Slog.v(TAG_WM, "Forcing UNSPECIFIED orientation in car for display id=" + mDisplayId + ". Ignoring " + orientation); return SCREEN_ORIENTATION_UNSPECIFIED; } if (orientation != SCREEN_ORIENTATION_UNSET && orientation != SCREEN_ORIENTATION_BEHIND) { if (DEBUG_ORIENTATION) Slog.v(TAG_WM, "App is requesting an orientation, return " + orientation + " for display id=" + mDisplayId); return orientation; } if (DEBUG_ORIENTATION) Slog.v(TAG_WM, "No app is requesting an orientation, return " + mLastOrientation + " for display id=" + mDisplayId); // The next app has not been requested to be visible, so we keep the current orientation // to prevent freezing/unfreezing the display too early. return mLastOrientation; } @Override void assignChildLayers(SurfaceControl.Transaction t) { assignStackOrdering(t); for (int i = 0; i < mChildren.size(); i++) { final TaskStack s = mChildren.get(i); s.assignChildLayers(t); } } void assignStackOrdering(SurfaceControl.Transaction t) { final int HOME_STACK_STATE = 0; final int NORMAL_STACK_STATE = 1; final int ALWAYS_ON_TOP_STATE = 2; int layer = 0; int layerForAnimationLayer = 0; int layerForBoostedAnimationLayer = 0; int layerForHomeAnimationLayer = 0; for (int state = 0; state <= ALWAYS_ON_TOP_STATE; state++) { for (int i = 0; i < mChildren.size(); i++) { final TaskStack s = mChildren.get(i); if (state == HOME_STACK_STATE && !s.isActivityTypeHome()) { continue; } else if (state == NORMAL_STACK_STATE && (s.isActivityTypeHome() || s.isAlwaysOnTop())) { continue; } else if (state == ALWAYS_ON_TOP_STATE && !s.isAlwaysOnTop()) { continue; } s.assignLayer(t, layer++); if (s.inSplitScreenWindowingMode() && mSplitScreenDividerAnchor != null) { t.setLayer(mSplitScreenDividerAnchor, layer++); } if ((s.isTaskAnimating() || s.isAppAnimating()) && state != ALWAYS_ON_TOP_STATE) { // Ensure the animation layer ends up above the // highest animating stack and no higher. layerForAnimationLayer = layer++; } if (state != ALWAYS_ON_TOP_STATE) { layerForBoostedAnimationLayer = layer++; } } if (state == HOME_STACK_STATE) { layerForHomeAnimationLayer = layer++; } } if (mAppAnimationLayer != null) { t.setLayer(mAppAnimationLayer, layerForAnimationLayer); } if (mBoostedAppAnimationLayer != null) { t.setLayer(mBoostedAppAnimationLayer, layerForBoostedAnimationLayer); } if (mHomeAppAnimationLayer != null) { t.setLayer(mHomeAppAnimationLayer, layerForHomeAnimationLayer); } } @Override SurfaceControl getAppAnimationLayer(@AnimationLayer int animationLayer) { switch (animationLayer) { case ANIMATION_LAYER_BOOSTED: return mBoostedAppAnimationLayer; case ANIMATION_LAYER_HOME: return mHomeAppAnimationLayer; case ANIMATION_LAYER_STANDARD: default: return mAppAnimationLayer; } } SurfaceControl getSplitScreenDividerAnchor() { return mSplitScreenDividerAnchor; } @Override void onParentSet() { super.onParentSet(); if (getParent() != null) { mAppAnimationLayer = makeChildSurface(null) .setName("animationLayer") .build(); mBoostedAppAnimationLayer = makeChildSurface(null) .setName("boostedAnimationLayer") .build(); mHomeAppAnimationLayer = makeChildSurface(null) .setName("homeAnimationLayer") .build(); mSplitScreenDividerAnchor = makeChildSurface(null) .setName("splitScreenDividerAnchor") .build(); getPendingTransaction() .show(mAppAnimationLayer) .show(mBoostedAppAnimationLayer) .show(mHomeAppAnimationLayer) .show(mSplitScreenDividerAnchor); scheduleAnimation(); } else { mAppAnimationLayer.destroy(); mAppAnimationLayer = null; mBoostedAppAnimationLayer.destroy(); mBoostedAppAnimationLayer = null; mHomeAppAnimationLayer.destroy(); mHomeAppAnimationLayer = null; mSplitScreenDividerAnchor.destroy(); mSplitScreenDividerAnchor = null; } } } private final class AboveAppWindowContainers extends NonAppWindowContainers { AboveAppWindowContainers(String name, WindowManagerService service) { super(name, service); } @Override void assignChildLayers(SurfaceControl.Transaction t) { assignChildLayers(t, null /* imeContainer */); } void assignChildLayers(SurfaceControl.Transaction t, WindowContainer imeContainer) { boolean needAssignIme = imeContainer != null && imeContainer.getSurfaceControl() != null; for (int j = 0; j < mChildren.size(); ++j) { final WindowToken wt = mChildren.get(j); // See {@link mSplitScreenDividerAnchor} if (wt.windowType == TYPE_DOCK_DIVIDER) { wt.assignRelativeLayer(t, mTaskStackContainers.getSplitScreenDividerAnchor(), 1); continue; } wt.assignLayer(t, j); wt.assignChildLayers(t); int layer = mService.mPolicy.getWindowLayerFromTypeLw( wt.windowType, wt.mOwnerCanManageAppTokens); if (needAssignIme && layer >= mService.mPolicy.getWindowLayerFromTypeLw( TYPE_INPUT_METHOD_DIALOG, true)) { imeContainer.assignRelativeLayer(t, wt.getSurfaceControl(), -1); needAssignIme = false; } } if (needAssignIme) { imeContainer.assignRelativeLayer(t, getSurfaceControl(), Integer.MAX_VALUE); } } } /** * Window container class that contains all containers on this display that are not related to * Apps. E.g. status bar. */ private class NonAppWindowContainers extends DisplayChildWindowContainer { /** * Compares two child window tokens returns -1 if the first is lesser than the second in * terms of z-order and 1 otherwise. */ private final Comparator mWindowComparator = (token1, token2) -> // Tokens with higher base layer are z-ordered on-top. mService.mPolicy.getWindowLayerFromTypeLw(token1.windowType, token1.mOwnerCanManageAppTokens) < mService.mPolicy.getWindowLayerFromTypeLw(token2.windowType, token2.mOwnerCanManageAppTokens) ? -1 : 1; private final Predicate mGetOrientingWindow = w -> { if (!w.isVisibleLw() || !w.mPolicyVisibilityAfterAnim) { return false; } final int req = w.mAttrs.screenOrientation; if(req == SCREEN_ORIENTATION_UNSPECIFIED || req == SCREEN_ORIENTATION_BEHIND || req == SCREEN_ORIENTATION_UNSET) { return false; } return true; }; private final String mName; private final Dimmer mDimmer = new Dimmer(this); private final Rect mTmpDimBoundsRect = new Rect(); NonAppWindowContainers(String name, WindowManagerService service) { super(service); mName = name; } void addChild(WindowToken token) { addChild(token, mWindowComparator); } @Override int getOrientation() { final WindowManagerPolicy policy = mService.mPolicy; // Find a window requesting orientation. final WindowState win = getWindow(mGetOrientingWindow); if (win != null) { final int req = win.mAttrs.screenOrientation; if (policy.isKeyguardHostWindow(win.mAttrs)) { mLastKeyguardForcedOrientation = req; if (mService.mKeyguardGoingAway) { // Keyguard can't affect the orientation if it is going away... mLastWindowForcedOrientation = SCREEN_ORIENTATION_UNSPECIFIED; return SCREEN_ORIENTATION_UNSET; } } if (DEBUG_ORIENTATION) Slog.v(TAG_WM, win + " forcing orientation to " + req + " for display id=" + mDisplayId); return (mLastWindowForcedOrientation = req); } mLastWindowForcedOrientation = SCREEN_ORIENTATION_UNSPECIFIED; // Only allow force setting the orientation when all unknown visibilities have been // resolved, as otherwise we just may be starting another occluding activity. final boolean isUnoccluding = mService.mAppTransition.getAppTransition() == TRANSIT_KEYGUARD_UNOCCLUDE && mService.mUnknownAppVisibilityController.allResolved(); if (policy.isKeyguardShowingAndNotOccluded() || isUnoccluding) { return mLastKeyguardForcedOrientation; } return SCREEN_ORIENTATION_UNSET; } @Override String getName() { return mName; } @Override Dimmer getDimmer() { return mDimmer; } @Override void prepareSurfaces() { mDimmer.resetDimStates(); super.prepareSurfaces(); getBounds(mTmpDimBoundsRect); if (mDimmer.updateDims(getPendingTransaction(), mTmpDimBoundsRect)) { scheduleAnimation(); } } } private class NonMagnifiableWindowContainers extends NonAppWindowContainers { NonMagnifiableWindowContainers(String name, WindowManagerService service) { super(name, service); } @Override void applyMagnificationSpec(Transaction t, MagnificationSpec spec) { } }; SurfaceControl.Builder makeSurface(SurfaceSession s) { return mService.makeSurfaceBuilder(s) .setParent(mWindowingLayer); } @Override SurfaceSession getSession() { return mSession; } @Override SurfaceControl.Builder makeChildSurface(WindowContainer child) { SurfaceSession s = child != null ? child.getSession() : getSession(); final SurfaceControl.Builder b = mService.makeSurfaceBuilder(s); b.setSize(mSurfaceSize, mSurfaceSize); if (child == null) { return b; } return b.setName(child.getName()) .setParent(mWindowingLayer); } /** * The makeSurface variants are for use by the window-container * hierarchy. makeOverlay here is a function for various non windowing * overlays like the ScreenRotation screenshot, the Strict Mode Flash * and other potpourii. */ SurfaceControl.Builder makeOverlay() { return mService.makeSurfaceBuilder(mSession) .setParent(mOverlayLayer); } /** * Reparents the given surface to mOverlayLayer. */ void reparentToOverlay(Transaction transaction, SurfaceControl surface) { transaction.reparent(surface, mOverlayLayer.getHandle()); } void applyMagnificationSpec(MagnificationSpec spec) { if (spec.scale != 1.0) { mMagnificationSpec = spec; } else { mMagnificationSpec = null; } applyMagnificationSpec(getPendingTransaction(), spec); getPendingTransaction().apply(); } void reapplyMagnificationSpec() { if (mMagnificationSpec != null) { applyMagnificationSpec(getPendingTransaction(), mMagnificationSpec); } } @Override void onParentSet() { // Since we are the top of the SurfaceControl hierarchy here // we create the root surfaces explicitly rather than chaining // up as the default implementation in onParentSet does. So we // explicitly do NOT call super here. } @Override void assignChildLayers(SurfaceControl.Transaction t) { // These are layers as children of "mWindowingLayer" mBelowAppWindowsContainers.assignLayer(t, 0); mTaskStackContainers.assignLayer(t, 1); mAboveAppWindowsContainers.assignLayer(t, 2); WindowState imeTarget = mService.mInputMethodTarget; boolean needAssignIme = true; // In the case where we have an IME target that is not in split-screen // mode IME assignment is easy. We just need the IME to go directly above // the target. This way children of the target will naturally go above the IME // and everyone is happy. // // In the case of split-screen windowing mode, we need to elevate the IME above the // docked divider while keeping the app itself below the docked divider, so instead // we use relative layering of the IME targets child windows, and place the // IME in the non-app layer (see {@link AboveAppWindowContainers#assignChildLayers}). // // In the case the IME target is animating, the animation Z order may be different // than the WindowContainer Z order, so it's difficult to be sure we have the correct // IME target. In this case we just layer the IME over all transitions by placing it in the // above applications layer. // // In the case where we have no IME target we assign it where it's base layer would // place it in the AboveAppWindowContainers. if (imeTarget != null && !(imeTarget.inSplitScreenWindowingMode() || imeTarget.mToken.isAppAnimating()) && (imeTarget.getSurfaceControl() != null)) { mImeWindowsContainers.assignRelativeLayer(t, imeTarget.getSurfaceControl(), // TODO: We need to use an extra level on the app surface to ensure // this is always above SurfaceView but always below attached window. 1); needAssignIme = false; } // Above we have assigned layers to our children, now we ask them to assign // layers to their children. mBelowAppWindowsContainers.assignChildLayers(t); mTaskStackContainers.assignChildLayers(t); mAboveAppWindowsContainers.assignChildLayers(t, needAssignIme == true ? mImeWindowsContainers : null); mImeWindowsContainers.assignChildLayers(t); } /** * Here we satisfy an unfortunate special case of the IME in split-screen mode. Imagine * that the IME target is one of the docked applications. We'd like the docked divider to be * above both of the applications, and we'd like the IME to be above the docked divider. * However we need child windows of the applications to be above the IME (Text drag handles). * This is a non-strictly hierarcical layering and we need to break out of the Z ordering * somehow. We do this by relatively ordering children of the target to the IME in cooperation * with {@link #WindowState#assignLayer} */ void assignRelativeLayerForImeTargetChild(SurfaceControl.Transaction t, WindowContainer child) { child.assignRelativeLayer(t, mImeWindowsContainers.getSurfaceControl(), 1); } @Override void prepareSurfaces() { final ScreenRotationAnimation screenRotationAnimation = mService.mAnimator.getScreenRotationAnimationLocked(mDisplayId); if (screenRotationAnimation != null && screenRotationAnimation.isAnimating()) { screenRotationAnimation.getEnterTransformation().getMatrix().getValues(mTmpFloats); mPendingTransaction.setMatrix(mWindowingLayer, mTmpFloats[Matrix.MSCALE_X], mTmpFloats[Matrix.MSKEW_Y], mTmpFloats[Matrix.MSKEW_X], mTmpFloats[Matrix.MSCALE_Y]); mPendingTransaction.setPosition(mWindowingLayer, mTmpFloats[Matrix.MTRANS_X], mTmpFloats[Matrix.MTRANS_Y]); mPendingTransaction.setAlpha(mWindowingLayer, screenRotationAnimation.getEnterTransformation().getAlpha()); } super.prepareSurfaces(); } void assignStackOrdering() { mTaskStackContainers.assignStackOrdering(getPendingTransaction()); } /** * Increment the deferral count to determine whether to update the IME target. */ void deferUpdateImeTarget() { mDeferUpdateImeTargetCount++; } /** * Decrement the deferral count to determine whether to update the IME target. If the count * reaches 0, a new ime target will get computed. */ void continueUpdateImeTarget() { if (mDeferUpdateImeTargetCount == 0) { return; } mDeferUpdateImeTargetCount--; if (mDeferUpdateImeTargetCount == 0) { computeImeTarget(true /* updateImeTarget */); } } /** * @return Whether a new IME target should be computed. */ private boolean canUpdateImeTarget() { return mDeferUpdateImeTargetCount == 0; } }