| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.systemui.stackdivider; |
| |
| import static android.content.res.Configuration.ORIENTATION_LANDSCAPE; |
| import static android.content.res.Configuration.SCREEN_HEIGHT_DP_UNDEFINED; |
| import static android.content.res.Configuration.SCREEN_WIDTH_DP_UNDEFINED; |
| import static android.view.Display.DEFAULT_DISPLAY; |
| |
| import static com.android.systemui.shared.system.WindowManagerWrapper.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY; |
| |
| import android.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.ValueAnimator; |
| import android.app.ActivityManager; |
| import android.app.ActivityTaskManager; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.graphics.Rect; |
| import android.os.Handler; |
| import android.provider.Settings; |
| import android.util.Slog; |
| import android.view.LayoutInflater; |
| import android.view.SurfaceControl; |
| import android.view.View; |
| import android.window.TaskOrganizer; |
| import android.window.WindowContainerToken; |
| import android.window.WindowContainerTransaction; |
| import android.window.WindowOrganizer; |
| |
| import androidx.annotation.Nullable; |
| |
| import com.android.internal.policy.DividerSnapAlgorithm; |
| import com.android.systemui.R; |
| import com.android.systemui.SystemUI; |
| import com.android.systemui.TransactionPool; |
| import com.android.systemui.recents.Recents; |
| import com.android.systemui.shared.system.ActivityManagerWrapper; |
| import com.android.systemui.shared.system.TaskStackChangeListener; |
| import com.android.systemui.statusbar.policy.KeyguardStateController; |
| import com.android.systemui.wm.DisplayChangeController; |
| import com.android.systemui.wm.DisplayController; |
| import com.android.systemui.wm.DisplayImeController; |
| import com.android.systemui.wm.DisplayLayout; |
| import com.android.systemui.wm.SystemWindows; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.lang.ref.WeakReference; |
| import java.util.ArrayList; |
| import java.util.Optional; |
| import java.util.function.Consumer; |
| |
| import javax.inject.Singleton; |
| |
| import dagger.Lazy; |
| |
| /** |
| * Controls the docked stack divider. |
| */ |
| @Singleton |
| public class Divider extends SystemUI implements DividerView.DividerCallbacks, |
| DisplayController.OnDisplaysChangedListener { |
| private static final String TAG = "Divider"; |
| |
| static final boolean DEBUG = false; |
| |
| static final int DEFAULT_APP_TRANSITION_DURATION = 336; |
| static final float ADJUSTED_NONFOCUS_DIM = 0.3f; |
| |
| private final Optional<Lazy<Recents>> mRecentsOptionalLazy; |
| |
| private DividerWindowManager mWindowManager; |
| private DividerView mView; |
| private final DividerState mDividerState = new DividerState(); |
| private boolean mVisible = false; |
| private boolean mMinimized = false; |
| private boolean mAdjustedForIme = false; |
| private boolean mHomeStackResizable = false; |
| private ForcedResizableInfoActivityController mForcedResizableController; |
| private SystemWindows mSystemWindows; |
| private DisplayController mDisplayController; |
| private DisplayImeController mImeController; |
| final TransactionPool mTransactionPool; |
| |
| // Keeps track of real-time split geometry including snap positions and ime adjustments |
| private SplitDisplayLayout mSplitLayout; |
| |
| // Transient: this contains the layout calculated for a new rotation requested by WM. This is |
| // kept around so that we can wait for a matching configuration change and then use the exact |
| // layout that we sent back to WM. |
| private SplitDisplayLayout mRotateSplitLayout; |
| |
| private Handler mHandler; |
| private KeyguardStateController mKeyguardStateController; |
| |
| private final ArrayList<WeakReference<Consumer<Boolean>>> mDockedStackExistsListeners = |
| new ArrayList<>(); |
| |
| private SplitScreenTaskOrganizer mSplits = new SplitScreenTaskOrganizer(this); |
| |
| private DisplayChangeController.OnDisplayChangingListener mRotationController = |
| (display, fromRotation, toRotation, t) -> { |
| if (!mSplits.isSplitScreenSupported()) { |
| return; |
| } |
| DisplayLayout displayLayout = |
| new DisplayLayout(mDisplayController.getDisplayLayout(display)); |
| SplitDisplayLayout sdl = new SplitDisplayLayout(mContext, displayLayout, mSplits); |
| sdl.rotateTo(toRotation); |
| mRotateSplitLayout = sdl; |
| int position = mMinimized ? mView.mSnapTargetBeforeMinimized.position |
| : mView.getCurrentPosition(); |
| DividerSnapAlgorithm snap = sdl.getSnapAlgorithm(); |
| final DividerSnapAlgorithm.SnapTarget target = |
| snap.calculateNonDismissingSnapTarget(position); |
| sdl.resizeSplits(target.position, t); |
| |
| if (inSplitMode()) { |
| WindowManagerProxy.applyHomeTasksMinimized(sdl, mSplits.mSecondary.token, t); |
| } |
| }; |
| |
| private class DividerImeController implements DisplayImeController.ImePositionProcessor { |
| /** |
| * These are the y positions of the top of the IME surface when it is hidden and when it is |
| * shown respectively. These are NOT necessarily the top of the visible IME itself. |
| */ |
| private int mHiddenTop = 0; |
| private int mShownTop = 0; |
| |
| // The following are target states (what we are curretly animating towards). |
| /** |
| * {@code true} if, at the end of the animation, the split task positions should be |
| * adjusted by height of the IME. This happens when the secondary split is the IME target. |
| */ |
| private boolean mTargetAdjusted = false; |
| /** |
| * {@code true} if, at the end of the animation, the IME should be shown/visible |
| * regardless of what has focus. |
| */ |
| private boolean mTargetShown = false; |
| private float mTargetPrimaryDim = 0.f; |
| private float mTargetSecondaryDim = 0.f; |
| |
| // The following are the current (most recent) states set during animation |
| /** {@code true} if the secondary split has IME focus. */ |
| private boolean mSecondaryHasFocus = false; |
| /** The dimming currently applied to the primary/secondary splits. */ |
| private float mLastPrimaryDim = 0.f; |
| private float mLastSecondaryDim = 0.f; |
| /** The most recent y position of the top of the IME surface */ |
| private int mLastAdjustTop = -1; |
| |
| // The following are states reached last time an animation fully completed. |
| /** {@code true} if the IME was shown/visible by the last-completed animation. */ |
| private boolean mImeWasShown = false; |
| /** {@code true} if the split positions were adjusted by the last-completed animation. */ |
| private boolean mAdjusted = false; |
| |
| /** |
| * When some aspect of split-screen needs to animate independent from the IME, |
| * this will be non-null and control split animation. |
| */ |
| @Nullable |
| private ValueAnimator mAnimation = null; |
| |
| private boolean mPaused = true; |
| private boolean mPausedTargetAdjusted = false; |
| |
| private boolean getSecondaryHasFocus(int displayId) { |
| WindowContainerToken imeSplit = TaskOrganizer.getImeTarget(displayId); |
| return imeSplit != null |
| && (imeSplit.asBinder() == mSplits.mSecondary.token.asBinder()); |
| } |
| |
| private void updateDimTargets() { |
| final boolean splitIsVisible = !mView.isHidden(); |
| mTargetPrimaryDim = (mSecondaryHasFocus && mTargetShown && splitIsVisible) |
| ? ADJUSTED_NONFOCUS_DIM : 0.f; |
| mTargetSecondaryDim = (!mSecondaryHasFocus && mTargetShown && splitIsVisible) |
| ? ADJUSTED_NONFOCUS_DIM : 0.f; |
| } |
| |
| @Override |
| public void onImeStartPositioning(int displayId, int hiddenTop, int shownTop, |
| boolean imeShouldShow, SurfaceControl.Transaction t) { |
| if (!inSplitMode()) { |
| return; |
| } |
| final boolean splitIsVisible = !mView.isHidden(); |
| mSecondaryHasFocus = getSecondaryHasFocus(displayId); |
| final boolean targetAdjusted = splitIsVisible && imeShouldShow && mSecondaryHasFocus |
| && !mSplitLayout.mDisplayLayout.isLandscape(); |
| mHiddenTop = hiddenTop; |
| mShownTop = shownTop; |
| mTargetShown = imeShouldShow; |
| if (mLastAdjustTop < 0) { |
| mLastAdjustTop = imeShouldShow ? hiddenTop : shownTop; |
| } else { |
| // Check for an "interruption" of an existing animation. In this case, we need to |
| // fake-flip the last-known state direction so that the animation completes in the |
| // other direction. |
| if (mTargetAdjusted != targetAdjusted && targetAdjusted == mAdjusted) { |
| if (mLastAdjustTop != (imeShouldShow ? mShownTop : mHiddenTop)) { |
| mAdjusted = mTargetAdjusted; |
| } |
| } |
| } |
| if (mPaused) { |
| mPausedTargetAdjusted = targetAdjusted; |
| if (DEBUG) Slog.d(TAG, " ime starting but paused " + dumpState()); |
| return; |
| } |
| mTargetAdjusted = targetAdjusted; |
| updateDimTargets(); |
| if (DEBUG) Slog.d(TAG, " ime starting. vis:" + splitIsVisible + " " + dumpState()); |
| if (mAnimation != null || (mImeWasShown && imeShouldShow |
| && mTargetAdjusted != mAdjusted)) { |
| // We need to animate adjustment independently of the IME position, so |
| // start our own animation to drive adjustment. This happens when a |
| // different split's editor has gained focus while the IME is still visible. |
| startAsyncAnimation(); |
| } |
| if (splitIsVisible) { |
| // If split is hidden, we don't want to trigger any relayouts that would cause the |
| // divider to show again. |
| updateImeAdjustState(); |
| } |
| } |
| |
| private void updateImeAdjustState() { |
| // Reposition the server's secondary split position so that it evaluates |
| // insets properly. |
| WindowContainerTransaction wct = new WindowContainerTransaction(); |
| if (mTargetAdjusted) { |
| mSplitLayout.updateAdjustedBounds(mShownTop, mHiddenTop, mShownTop); |
| wct.setBounds(mSplits.mSecondary.token, mSplitLayout.mAdjustedSecondary); |
| // "Freeze" the configuration size so that the app doesn't get a config |
| // or relaunch. This is required because normally nav-bar contributes |
| // to configuration bounds (via nondecorframe). |
| Rect adjustAppBounds = new Rect(mSplits.mSecondary.configuration |
| .windowConfiguration.getAppBounds()); |
| adjustAppBounds.offset(0, mSplitLayout.mAdjustedSecondary.top |
| - mSplitLayout.mSecondary.top); |
| wct.setAppBounds(mSplits.mSecondary.token, adjustAppBounds); |
| wct.setScreenSizeDp(mSplits.mSecondary.token, |
| mSplits.mSecondary.configuration.screenWidthDp, |
| mSplits.mSecondary.configuration.screenHeightDp); |
| |
| wct.setBounds(mSplits.mPrimary.token, mSplitLayout.mAdjustedPrimary); |
| adjustAppBounds = new Rect(mSplits.mPrimary.configuration |
| .windowConfiguration.getAppBounds()); |
| adjustAppBounds.offset(0, mSplitLayout.mAdjustedPrimary.top |
| - mSplitLayout.mPrimary.top); |
| wct.setAppBounds(mSplits.mPrimary.token, adjustAppBounds); |
| wct.setScreenSizeDp(mSplits.mPrimary.token, |
| mSplits.mPrimary.configuration.screenWidthDp, |
| mSplits.mPrimary.configuration.screenHeightDp); |
| } else { |
| wct.setBounds(mSplits.mSecondary.token, mSplitLayout.mSecondary); |
| wct.setAppBounds(mSplits.mSecondary.token, null); |
| wct.setScreenSizeDp(mSplits.mSecondary.token, |
| SCREEN_WIDTH_DP_UNDEFINED, SCREEN_HEIGHT_DP_UNDEFINED); |
| wct.setBounds(mSplits.mPrimary.token, mSplitLayout.mPrimary); |
| wct.setAppBounds(mSplits.mPrimary.token, null); |
| wct.setScreenSizeDp(mSplits.mPrimary.token, |
| SCREEN_WIDTH_DP_UNDEFINED, SCREEN_HEIGHT_DP_UNDEFINED); |
| } |
| |
| WindowOrganizer.applyTransaction(wct); |
| |
| // Update all the adjusted-for-ime states |
| if (!mPaused) { |
| mView.setAdjustedForIme(mTargetShown, mTargetShown |
| ? DisplayImeController.ANIMATION_DURATION_SHOW_MS |
| : DisplayImeController.ANIMATION_DURATION_HIDE_MS); |
| } |
| setAdjustedForIme(mTargetShown && !mPaused); |
| } |
| |
| @Override |
| public void onImePositionChanged(int displayId, int imeTop, |
| SurfaceControl.Transaction t) { |
| if (mAnimation != null || !inSplitMode() || mPaused) { |
| // Not synchronized with IME anymore, so return. |
| return; |
| } |
| final float fraction = ((float) imeTop - mHiddenTop) / (mShownTop - mHiddenTop); |
| final float progress = mTargetShown ? fraction : 1.f - fraction; |
| onProgress(progress, t); |
| } |
| |
| @Override |
| public void onImeEndPositioning(int displayId, boolean cancelled, |
| SurfaceControl.Transaction t) { |
| if (mAnimation != null || !inSplitMode() || mPaused) { |
| // Not synchronized with IME anymore, so return. |
| return; |
| } |
| onEnd(cancelled, t); |
| } |
| |
| private void onProgress(float progress, SurfaceControl.Transaction t) { |
| if (mTargetAdjusted != mAdjusted && !mPaused) { |
| final float fraction = mTargetAdjusted ? progress : 1.f - progress; |
| mLastAdjustTop = (int) (fraction * mShownTop + (1.f - fraction) * mHiddenTop); |
| mSplitLayout.updateAdjustedBounds(mLastAdjustTop, mHiddenTop, mShownTop); |
| mView.resizeSplitSurfaces(t, mSplitLayout.mAdjustedPrimary, |
| mSplitLayout.mAdjustedSecondary); |
| } |
| final float invProg = 1.f - progress; |
| mView.setResizeDimLayer(t, true /* primary */, |
| mLastPrimaryDim * invProg + progress * mTargetPrimaryDim); |
| mView.setResizeDimLayer(t, false /* primary */, |
| mLastSecondaryDim * invProg + progress * mTargetSecondaryDim); |
| } |
| |
| private void onEnd(boolean cancelled, SurfaceControl.Transaction t) { |
| if (!cancelled) { |
| onProgress(1.f, t); |
| mAdjusted = mTargetAdjusted; |
| mImeWasShown = mTargetShown; |
| mLastAdjustTop = mAdjusted ? mShownTop : mHiddenTop; |
| mLastPrimaryDim = mTargetPrimaryDim; |
| mLastSecondaryDim = mTargetSecondaryDim; |
| } |
| } |
| |
| private void startAsyncAnimation() { |
| if (mAnimation != null) { |
| mAnimation.cancel(); |
| } |
| mAnimation = ValueAnimator.ofFloat(0.f, 1.f); |
| mAnimation.setDuration(DisplayImeController.ANIMATION_DURATION_SHOW_MS); |
| if (mTargetAdjusted != mAdjusted) { |
| final float fraction = |
| ((float) mLastAdjustTop - mHiddenTop) / (mShownTop - mHiddenTop); |
| final float progress = mTargetAdjusted ? fraction : 1.f - fraction; |
| mAnimation.setCurrentFraction(progress); |
| } |
| |
| mAnimation.addUpdateListener(animation -> { |
| SurfaceControl.Transaction t = mTransactionPool.acquire(); |
| float value = (float) animation.getAnimatedValue(); |
| onProgress(value, t); |
| t.apply(); |
| mTransactionPool.release(t); |
| }); |
| mAnimation.setInterpolator(DisplayImeController.INTERPOLATOR); |
| mAnimation.addListener(new AnimatorListenerAdapter() { |
| private boolean mCancel = false; |
| @Override |
| public void onAnimationCancel(Animator animation) { |
| mCancel = true; |
| } |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| SurfaceControl.Transaction t = mTransactionPool.acquire(); |
| onEnd(mCancel, t); |
| t.apply(); |
| mTransactionPool.release(t); |
| mAnimation = null; |
| } |
| }); |
| mAnimation.start(); |
| } |
| |
| private String dumpState() { |
| return "top:" + mHiddenTop + "->" + mShownTop |
| + " adj:" + mAdjusted + "->" + mTargetAdjusted + "(" + mLastAdjustTop + ")" |
| + " shw:" + mImeWasShown + "->" + mTargetShown |
| + " dims:" + mLastPrimaryDim + "," + mLastSecondaryDim |
| + "->" + mTargetPrimaryDim + "," + mTargetSecondaryDim |
| + " shf:" + mSecondaryHasFocus + " desync:" + (mAnimation != null) |
| + " paus:" + mPaused + "[" + mPausedTargetAdjusted + "]"; |
| } |
| |
| /** Completely aborts/resets adjustment state */ |
| public void pause(int displayId) { |
| if (DEBUG) Slog.d(TAG, "ime pause posting " + dumpState()); |
| mHandler.post(() -> { |
| if (DEBUG) Slog.d(TAG, "ime pause run posted " + dumpState()); |
| if (mPaused) { |
| return; |
| } |
| mPaused = true; |
| mPausedTargetAdjusted = mTargetAdjusted; |
| mTargetAdjusted = false; |
| mTargetPrimaryDim = mTargetSecondaryDim = 0.f; |
| updateImeAdjustState(); |
| startAsyncAnimation(); |
| if (mAnimation != null) { |
| mAnimation.end(); |
| } |
| }); |
| } |
| |
| public void resume(int displayId) { |
| if (DEBUG) Slog.d(TAG, "ime resume posting " + dumpState()); |
| mHandler.post(() -> { |
| if (DEBUG) Slog.d(TAG, "ime resume run posted " + dumpState()); |
| if (!mPaused) { |
| return; |
| } |
| mPaused = false; |
| mTargetAdjusted = mPausedTargetAdjusted; |
| updateDimTargets(); |
| if ((mTargetAdjusted != mAdjusted) && !mMinimized && mView != null) { |
| // End unminimize animations since they conflict with adjustment animations. |
| mView.finishAnimations(); |
| } |
| updateImeAdjustState(); |
| startAsyncAnimation(); |
| }); |
| } |
| } |
| private final DividerImeController mImePositionProcessor = new DividerImeController(); |
| |
| private TaskStackChangeListener mActivityRestartListener = new TaskStackChangeListener() { |
| @Override |
| public void onActivityRestartAttempt(ActivityManager.RunningTaskInfo task, |
| boolean homeTaskVisible, boolean clearedTask, boolean wasVisible) { |
| if (!wasVisible || task.configuration.windowConfiguration.getWindowingMode() |
| != WINDOWING_MODE_SPLIT_SCREEN_PRIMARY || !mSplits.isSplitScreenSupported()) { |
| return; |
| } |
| |
| if (isMinimized()) { |
| onUndockingTask(); |
| } |
| } |
| }; |
| |
| public Divider(Context context, Optional<Lazy<Recents>> recentsOptionalLazy, |
| DisplayController displayController, SystemWindows systemWindows, |
| DisplayImeController imeController, Handler handler, |
| KeyguardStateController keyguardStateController, TransactionPool transactionPool) { |
| super(context); |
| mDisplayController = displayController; |
| mSystemWindows = systemWindows; |
| mImeController = imeController; |
| mHandler = handler; |
| mKeyguardStateController = keyguardStateController; |
| mRecentsOptionalLazy = recentsOptionalLazy; |
| mForcedResizableController = new ForcedResizableInfoActivityController(context, this); |
| mTransactionPool = transactionPool; |
| } |
| |
| @Override |
| public void start() { |
| mWindowManager = new DividerWindowManager(mSystemWindows); |
| mDisplayController.addDisplayWindowListener(this); |
| // Hide the divider when keyguard is showing. Even though keyguard/statusbar is above |
| // everything, it is actually transparent except for notifications, so we still need to |
| // hide any surfaces that are below it. |
| // TODO(b/148906453): Figure out keyguard dismiss animation for divider view. |
| mKeyguardStateController.addCallback(new KeyguardStateController.Callback() { |
| @Override |
| public void onUnlockedChanged() { |
| |
| } |
| |
| @Override |
| public void onKeyguardShowingChanged() { |
| if (!inSplitMode() || mView == null) { |
| return; |
| } |
| mView.setHidden(mKeyguardStateController.isShowing()); |
| } |
| |
| @Override |
| public void onKeyguardFadingAwayChanged() { |
| |
| } |
| }); |
| // Don't initialize the divider or anything until we get the default display. |
| } |
| |
| @Override |
| public void onDisplayAdded(int displayId) { |
| if (displayId != DEFAULT_DISPLAY) { |
| return; |
| } |
| mSplitLayout = new SplitDisplayLayout(mDisplayController.getDisplayContext(displayId), |
| mDisplayController.getDisplayLayout(displayId), mSplits); |
| mImeController.addPositionProcessor(mImePositionProcessor); |
| mDisplayController.addDisplayChangingController(mRotationController); |
| if (!ActivityTaskManager.supportsSplitScreenMultiWindow(mContext)) { |
| removeDivider(); |
| return; |
| } |
| try { |
| mSplits.init(); |
| // Set starting tile bounds based on middle target |
| final WindowContainerTransaction tct = new WindowContainerTransaction(); |
| int midPos = mSplitLayout.getSnapAlgorithm().getMiddleTarget().position; |
| mSplitLayout.resizeSplits(midPos, tct); |
| WindowOrganizer.applyTransaction(tct); |
| } catch (Exception e) { |
| Slog.e(TAG, "Failed to register docked stack listener", e); |
| removeDivider(); |
| return; |
| } |
| ActivityManagerWrapper.getInstance().registerTaskStackListener(mActivityRestartListener); |
| } |
| |
| @Override |
| public void onDisplayConfigurationChanged(int displayId, Configuration newConfig) { |
| if (displayId != DEFAULT_DISPLAY || !mSplits.isSplitScreenSupported()) { |
| return; |
| } |
| mSplitLayout = new SplitDisplayLayout(mDisplayController.getDisplayContext(displayId), |
| mDisplayController.getDisplayLayout(displayId), mSplits); |
| if (mRotateSplitLayout == null) { |
| int midPos = mSplitLayout.getSnapAlgorithm().getMiddleTarget().position; |
| final WindowContainerTransaction tct = new WindowContainerTransaction(); |
| mSplitLayout.resizeSplits(midPos, tct); |
| WindowOrganizer.applyTransaction(tct); |
| } else if (mSplitLayout.mDisplayLayout.rotation() |
| == mRotateSplitLayout.mDisplayLayout.rotation()) { |
| mSplitLayout.mPrimary = new Rect(mRotateSplitLayout.mPrimary); |
| mSplitLayout.mSecondary = new Rect(mRotateSplitLayout.mSecondary); |
| mRotateSplitLayout = null; |
| } |
| update(newConfig); |
| } |
| |
| Handler getHandler() { |
| return mHandler; |
| } |
| |
| public DividerView getView() { |
| return mView; |
| } |
| |
| public boolean isMinimized() { |
| return mMinimized; |
| } |
| |
| public boolean isHomeStackResizable() { |
| return mHomeStackResizable; |
| } |
| |
| /** {@code true} if this is visible */ |
| public boolean inSplitMode() { |
| return mView != null && mView.getVisibility() == View.VISIBLE; |
| } |
| |
| private void addDivider(Configuration configuration) { |
| Context dctx = mDisplayController.getDisplayContext(mContext.getDisplayId()); |
| mView = (DividerView) |
| LayoutInflater.from(dctx).inflate(R.layout.docked_stack_divider, null); |
| DisplayLayout displayLayout = mDisplayController.getDisplayLayout(mContext.getDisplayId()); |
| mView.injectDependencies(mWindowManager, mDividerState, this, mSplits, mSplitLayout); |
| mView.setVisibility(mVisible ? View.VISIBLE : View.INVISIBLE); |
| mView.setMinimizedDockStack(mMinimized, mHomeStackResizable); |
| final int size = dctx.getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.docked_stack_divider_thickness); |
| final boolean landscape = configuration.orientation == ORIENTATION_LANDSCAPE; |
| final int width = landscape ? size : displayLayout.width(); |
| final int height = landscape ? displayLayout.height() : size; |
| mWindowManager.add(mView, width, height, mContext.getDisplayId()); |
| } |
| |
| private void removeDivider() { |
| if (mView != null) { |
| mView.onDividerRemoved(); |
| } |
| mWindowManager.remove(); |
| } |
| |
| private void update(Configuration configuration) { |
| final boolean isDividerHidden = mView != null && mView.isHidden(); |
| |
| removeDivider(); |
| addDivider(configuration); |
| |
| if (mView != null) { |
| if (mMinimized) { |
| mView.setMinimizedDockStack(true, mHomeStackResizable); |
| updateTouchable(); |
| } |
| mView.setHidden(isDividerHidden); |
| } |
| } |
| |
| void onTaskVanished() { |
| mHandler.post(this::removeDivider); |
| } |
| |
| void onTasksReady() { |
| mHandler.post(() -> update(mDisplayController.getDisplayContext( |
| mContext.getDisplayId()).getResources().getConfiguration())); |
| } |
| |
| void updateVisibility(final boolean visible) { |
| if (DEBUG) Slog.d(TAG, "Updating visibility " + mVisible + "->" + visible); |
| if (mVisible != visible) { |
| mVisible = visible; |
| mView.setVisibility(visible ? View.VISIBLE : View.INVISIBLE); |
| |
| if (visible) { |
| mView.enterSplitMode(mHomeStackResizable); |
| // Update state because animations won't finish. |
| mView.setMinimizedDockStack(mMinimized, mHomeStackResizable); |
| } else { |
| mView.exitSplitMode(); |
| // un-minimize so that next entry triggers minimize anim. |
| mView.setMinimizedDockStack(false /* minimized */, mHomeStackResizable); |
| } |
| // Notify existence listeners |
| synchronized (mDockedStackExistsListeners) { |
| mDockedStackExistsListeners.removeIf(wf -> { |
| Consumer<Boolean> l = wf.get(); |
| if (l != null) l.accept(visible); |
| return l == null; |
| }); |
| } |
| } |
| } |
| |
| /** Switch to minimized state if appropriate */ |
| public void setMinimized(final boolean minimized) { |
| if (DEBUG) Slog.d(TAG, "posting ext setMinimized " + minimized + " vis:" + mVisible); |
| mHandler.post(() -> { |
| if (DEBUG) Slog.d(TAG, "run posted ext setMinimized " + minimized + " vis:" + mVisible); |
| if (!mVisible) { |
| return; |
| } |
| setHomeMinimized(minimized, mHomeStackResizable); |
| }); |
| } |
| |
| private void setHomeMinimized(final boolean minimized, boolean homeStackResizable) { |
| if (DEBUG) { |
| Slog.d(TAG, "setHomeMinimized min:" + mMinimized + "->" + minimized + " hrsz:" |
| + mHomeStackResizable + "->" + homeStackResizable + " split:" + inSplitMode()); |
| } |
| WindowContainerTransaction wct = new WindowContainerTransaction(); |
| final boolean minimizedChanged = mMinimized != minimized; |
| // Update minimized state |
| if (minimizedChanged) { |
| mMinimized = minimized; |
| } |
| // Always set this because we could be entering split when mMinimized is already true |
| wct.setFocusable(mSplits.mPrimary.token, !mMinimized); |
| |
| // Update home-stack resizability |
| final boolean homeResizableChanged = mHomeStackResizable != homeStackResizable; |
| if (homeResizableChanged) { |
| mHomeStackResizable = homeStackResizable; |
| if (inSplitMode()) { |
| WindowManagerProxy.applyHomeTasksMinimized( |
| mSplitLayout, mSplits.mSecondary.token, wct); |
| } |
| } |
| |
| // Sync state to DividerView if it exists. |
| if (mView != null) { |
| final int displayId = mView.getDisplay() != null |
| ? mView.getDisplay().getDisplayId() : DEFAULT_DISPLAY; |
| // pause ime here (before updateMinimizedDockedStack) |
| if (mMinimized) { |
| mImePositionProcessor.pause(displayId); |
| } |
| if (minimizedChanged || homeResizableChanged) { |
| // This conflicts with IME adjustment, so only call it when things change. |
| mView.setMinimizedDockStack(minimized, getAnimDuration(), homeStackResizable); |
| } |
| if (!mMinimized) { |
| // afterwards so it can end any animations started in view |
| mImePositionProcessor.resume(displayId); |
| } |
| } |
| updateTouchable(); |
| WindowOrganizer.applyTransaction(wct); |
| } |
| |
| void setAdjustedForIme(boolean adjustedForIme) { |
| if (mAdjustedForIme == adjustedForIme) { |
| return; |
| } |
| mAdjustedForIme = adjustedForIme; |
| updateTouchable(); |
| } |
| |
| private void updateTouchable() { |
| mWindowManager.setTouchable((mHomeStackResizable || !mMinimized) && !mAdjustedForIme); |
| } |
| |
| /** |
| * Workaround for b/62528361, at the time recents has drawn, it may happen before a |
| * configuration change to the Divider, and internally, the event will be posted to the |
| * subscriber, or DividerView, which has been removed and prevented from resizing. Instead, |
| * register the event handler here and proxy the event to the current DividerView. |
| */ |
| public void onRecentsDrawn() { |
| if (mView != null) { |
| mView.onRecentsDrawn(); |
| } |
| } |
| |
| public void onUndockingTask() { |
| if (mView != null) { |
| mView.onUndockingTask(); |
| } |
| } |
| |
| public void onDockedFirstAnimationFrame() { |
| if (mView != null) { |
| mView.onDockedFirstAnimationFrame(); |
| } |
| } |
| |
| public void onDockedTopTask() { |
| if (mView != null) { |
| mView.onDockedTopTask(); |
| } |
| } |
| |
| public void onAppTransitionFinished() { |
| if (mView == null) { |
| return; |
| } |
| mForcedResizableController.onAppTransitionFinished(); |
| } |
| |
| @Override |
| public void onDraggingStart() { |
| mForcedResizableController.onDraggingStart(); |
| } |
| |
| @Override |
| public void onDraggingEnd() { |
| mForcedResizableController.onDraggingEnd(); |
| } |
| |
| @Override |
| public void growRecents() { |
| mRecentsOptionalLazy.ifPresent(recentsLazy -> recentsLazy.get().growRecents()); |
| } |
| |
| @Override |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| pw.print(" mVisible="); pw.println(mVisible); |
| pw.print(" mMinimized="); pw.println(mMinimized); |
| pw.print(" mAdjustedForIme="); pw.println(mAdjustedForIme); |
| } |
| |
| long getAnimDuration() { |
| float transitionScale = Settings.Global.getFloat(mContext.getContentResolver(), |
| Settings.Global.TRANSITION_ANIMATION_SCALE, |
| mContext.getResources().getFloat( |
| com.android.internal.R.dimen |
| .config_appTransitionAnimationDurationScaleDefault)); |
| final long transitionDuration = DEFAULT_APP_TRANSITION_DURATION; |
| return (long) (transitionDuration * transitionScale); |
| } |
| |
| /** Register a listener that gets called whenever the existence of the divider changes */ |
| public void registerInSplitScreenListener(Consumer<Boolean> listener) { |
| listener.accept(inSplitMode()); |
| synchronized (mDockedStackExistsListeners) { |
| mDockedStackExistsListeners.add(new WeakReference<>(listener)); |
| } |
| } |
| |
| void startEnterSplit() { |
| // Set resizable directly here because applyEnterSplit already resizes home stack. |
| mHomeStackResizable = WindowManagerProxy.applyEnterSplit(mSplits, mSplitLayout); |
| } |
| |
| void ensureMinimizedSplit() { |
| setHomeMinimized(true /* minimized */, mSplits.mSecondary.isResizable()); |
| if (!inSplitMode()) { |
| // Wasn't in split-mode yet, so enter now. |
| if (DEBUG) { |
| Slog.d(TAG, " entering split mode with minimized=true"); |
| } |
| updateVisibility(true /* visible */); |
| } |
| } |
| |
| void ensureNormalSplit() { |
| setHomeMinimized(false /* minimized */, mHomeStackResizable); |
| if (!inSplitMode()) { |
| // Wasn't in split-mode, so enter now. |
| if (DEBUG) { |
| Slog.d(TAG, " enter split mode unminimized "); |
| } |
| updateVisibility(true /* visible */); |
| } |
| } |
| } |
