Merge "Add split screen unfold animation" into sc-v2-dev (0cc4156b) · Commits · e / os / android_frameworks_base

libs/WindowManager/Shell/src/com/android/wm/shell/fullscreen/FullscreenUnfoldController.java

+7 −50

Original line number	Diff line number	Diff line
		@@ -16,9 +16,6 @@

		package com.android.wm.shell.fullscreen;

		import static android.graphics.Color.blue;
		import static android.graphics.Color.green;
		import static android.graphics.Color.red;
		import static android.util.MathUtils.lerp;
		import static android.view.Display.DEFAULT_DISPLAY;

		@@ -36,12 +33,11 @@ import android.view.InsetsState;
		import android.view.SurfaceControl;

		import com.android.internal.policy.ScreenDecorationsUtils;
		import com.android.wm.shell.R;
		import com.android.wm.shell.RootTaskDisplayAreaOrganizer;
		import com.android.wm.shell.common.DisplayInsetsController;
		import com.android.wm.shell.common.DisplayInsetsController.OnInsetsChangedListener;
		import com.android.wm.shell.unfold.ShellUnfoldProgressProvider;
		import com.android.wm.shell.unfold.ShellUnfoldProgressProvider.UnfoldListener;
		import com.android.wm.shell.unfold.UnfoldBackgroundController;

		import java.util.concurrent.Executor;

		@@ -59,21 +55,17 @@ public final class FullscreenUnfoldController implements UnfoldListener,
		private static final float VERTICAL_START_MARGIN = 0.03f;
		private static final float END_SCALE = 1f;
		private static final float START_SCALE = END_SCALE - VERTICAL_START_MARGIN * 2;
		private static final int BACKGROUND_LAYER_Z_INDEX = -1;

		private final Context mContext;
		private final Executor mExecutor;
		private final ShellUnfoldProgressProvider mProgressProvider;
		private final RootTaskDisplayAreaOrganizer mRootTaskDisplayAreaOrganizer;
		private final DisplayInsetsController mDisplayInsetsController;

		private final SparseArray<AnimationContext> mAnimationContextByTaskId = new SparseArray<>();
		private final UnfoldBackgroundController mBackgroundController;

		private SurfaceControl mBackgroundLayer;
		private InsetsSource mTaskbarInsetsSource;

		private final float mWindowCornerRadiusPx;
		private final float[] mBackgroundColor;
		private final float mExpandedTaskBarHeight;

		private final SurfaceControl.Transaction mTransaction = new SurfaceControl.Transaction();
		@@ -81,19 +73,17 @@ public final class FullscreenUnfoldController implements UnfoldListener,
		public FullscreenUnfoldController(
		@NonNull Context context,
		@NonNull Executor executor,
		@NonNull UnfoldBackgroundController backgroundController,
		@NonNull ShellUnfoldProgressProvider progressProvider,
		@NonNull RootTaskDisplayAreaOrganizer rootTaskDisplayAreaOrganizer,
		@NonNull DisplayInsetsController displayInsetsController
		) {
		mContext = context;
		mExecutor = executor;
		mRootTaskDisplayAreaOrganizer = rootTaskDisplayAreaOrganizer;
		mProgressProvider = progressProvider;
		mDisplayInsetsController = displayInsetsController;
		mWindowCornerRadiusPx = ScreenDecorationsUtils.getWindowCornerRadius(context);
		mExpandedTaskBarHeight = context.getResources().getDimensionPixelSize(
		com.android.internal.R.dimen.taskbar_frame_height);
		mBackgroundColor = getBackgroundColor();
		mBackgroundController = backgroundController;
		}

		/**
		@@ -108,7 +98,7 @@ public final class FullscreenUnfoldController implements UnfoldListener,
		public void onStateChangeProgress(float progress) {
		if (mAnimationContextByTaskId.size() == 0) return;

		ensureBackground();
		mBackgroundController.ensureBackground(mTransaction);

		for (int i = mAnimationContextByTaskId.size() - 1; i >= 0; i--) {
		final AnimationContext context = mAnimationContextByTaskId.valueAt(i);
		@@ -135,7 +125,7 @@ public final class FullscreenUnfoldController implements UnfoldListener,
		resetSurface(context);
		}

		removeBackground();
		mBackgroundController.removeBackground(mTransaction);
		mTransaction.apply();
		}

		@@ -178,7 +168,7 @@ public final class FullscreenUnfoldController implements UnfoldListener,
		}

		if (mAnimationContextByTaskId.size() == 0) {
		removeBackground();
		mBackgroundController.removeBackground(mTransaction);
		}

		mTransaction.apply();
		@@ -194,39 +184,6 @@ public final class FullscreenUnfoldController implements UnfoldListener,
		(float) context.mTaskInfo.positionInParent.y);
		}

		private void ensureBackground() {
		if (mBackgroundLayer != null) return;

		SurfaceControl.Builder colorLayerBuilder = new SurfaceControl.Builder()
		.setName("app-unfold-background")
		.setCallsite("AppUnfoldTransitionController")
		.setColorLayer();
		mRootTaskDisplayAreaOrganizer.attachToDisplayArea(DEFAULT_DISPLAY, colorLayerBuilder);
		mBackgroundLayer = colorLayerBuilder.build();

		mTransaction
		.setColor(mBackgroundLayer, mBackgroundColor)
		.show(mBackgroundLayer)
		.setLayer(mBackgroundLayer, BACKGROUND_LAYER_Z_INDEX);
		}

		private void removeBackground() {
		if (mBackgroundLayer == null) return;
		if (mBackgroundLayer.isValid()) {
		mTransaction.remove(mBackgroundLayer);
		}
		mBackgroundLayer = null;
		}

		private float[] getBackgroundColor() {
		int colorInt = mContext.getResources().getColor(R.color.unfold_transition_background);
		return new float[]{
		(float) red(colorInt) / 255.0F,
		(float) green(colorInt) / 255.0F,
		(float) blue(colorInt) / 255.0F
		};
		}

		private class AnimationContext {
		final SurfaceControl mLeash;
		final Rect mStartCropRect = new Rect();

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/MainStage.java

+5 −2

Original line number	Diff line number	Diff line
		@@ -18,6 +18,7 @@ package com.android.wm.shell.splitscreen;

		import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;

		import android.annotation.Nullable;
		import android.graphics.Rect;
		import android.view.SurfaceSession;
		import android.window.WindowContainerToken;
		@@ -38,8 +39,10 @@ class MainStage extends StageTaskListener {

		MainStage(ShellTaskOrganizer taskOrganizer, int displayId,
		StageListenerCallbacks callbacks, SyncTransactionQueue syncQueue,
		SurfaceSession surfaceSession) {
		super(taskOrganizer, displayId, callbacks, syncQueue, surfaceSession);
		SurfaceSession surfaceSession,
		@Nullable StageTaskUnfoldController stageTaskUnfoldController) {
		super(taskOrganizer, displayId, callbacks, syncQueue, surfaceSession,
		stageTaskUnfoldController);
		}

		boolean isActive() {

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SideStage.java

+4 −2

Original line number	Diff line number	Diff line
		@@ -46,8 +46,10 @@ class SideStage extends StageTaskListener implements

		SideStage(Context context, ShellTaskOrganizer taskOrganizer, int displayId,
		StageListenerCallbacks callbacks, SyncTransactionQueue syncQueue,
		SurfaceSession surfaceSession) {
		super(taskOrganizer, displayId, callbacks, syncQueue, surfaceSession);
		SurfaceSession surfaceSession,
		@Nullable StageTaskUnfoldController stageTaskUnfoldController) {
		super(taskOrganizer, displayId, callbacks, syncQueue, surfaceSession,
		stageTaskUnfoldController);
		mContext = context;
		}

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenController.java

+9 −2

Original line number	Diff line number	Diff line
		@@ -68,8 +68,11 @@ import com.android.wm.shell.transition.Transitions;

		import java.io.PrintWriter;
		import java.util.Arrays;
		import java.util.Optional;
		import java.util.concurrent.Executor;

		import javax.inject.Provider;

		/**
		* Class manages split-screen multitasking mode and implements the main interface
		* {@link SplitScreen}.
		@@ -91,6 +94,7 @@ public class SplitScreenController implements DragAndDropPolicy.Starter,
		private final Transitions mTransitions;
		private final TransactionPool mTransactionPool;
		private final SplitscreenEventLogger mLogger;
		private final Provider<Optional<StageTaskUnfoldController>> mUnfoldControllerProvider;

		private StageCoordinator mStageCoordinator;

		@@ -99,7 +103,8 @@ public class SplitScreenController implements DragAndDropPolicy.Starter,
		RootTaskDisplayAreaOrganizer rootTDAOrganizer,
		ShellExecutor mainExecutor, DisplayImeController displayImeController,
		DisplayInsetsController displayInsetsController,
		Transitions transitions, TransactionPool transactionPool) {
		Transitions transitions, TransactionPool transactionPool,
		Provider<Optional<StageTaskUnfoldController>> unfoldControllerProvider) {
		mTaskOrganizer = shellTaskOrganizer;
		mSyncQueue = syncQueue;
		mContext = context;
		@@ -109,6 +114,7 @@ public class SplitScreenController implements DragAndDropPolicy.Starter,
		mDisplayInsetsController = displayInsetsController;
		mTransitions = transitions;
		mTransactionPool = transactionPool;
		mUnfoldControllerProvider = unfoldControllerProvider;
		mLogger = new SplitscreenEventLogger();
		}

		@@ -131,7 +137,8 @@ public class SplitScreenController implements DragAndDropPolicy.Starter,
		// TODO: Multi-display
		mStageCoordinator = new StageCoordinator(mContext, DEFAULT_DISPLAY, mSyncQueue,
		mRootTDAOrganizer, mTaskOrganizer, mDisplayImeController,
		mDisplayInsetsController, mTransitions, mTransactionPool, mLogger);
		mDisplayInsetsController, mTransitions, mTransactionPool, mLogger,
		mUnfoldControllerProvider);
		}
		}

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java

+38 −4

Original line number	Diff line number	Diff line
		@@ -95,6 +95,9 @@ import com.android.wm.shell.transition.Transitions;
		import java.io.PrintWriter;
		import java.util.ArrayList;
		import java.util.List;
		import java.util.Optional;

		import javax.inject.Provider;

		/**
		* Coordinates the staging (visibility, sizing, ...) of the split-screen {@link MainStage} and
		@@ -121,8 +124,10 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,

		private final MainStage mMainStage;
		private final StageListenerImpl mMainStageListener = new StageListenerImpl();
		private final StageTaskUnfoldController mMainUnfoldController;
		private final SideStage mSideStage;
		private final StageListenerImpl mSideStageListener = new StageListenerImpl();
		private final StageTaskUnfoldController mSideUnfoldController;
		@SplitPosition
		private int mSideStagePosition = SPLIT_POSITION_BOTTOM_OR_RIGHT;

		@@ -179,26 +184,32 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		RootTaskDisplayAreaOrganizer rootTDAOrganizer, ShellTaskOrganizer taskOrganizer,
		DisplayImeController displayImeController,
		DisplayInsetsController displayInsetsController, Transitions transitions,
		TransactionPool transactionPool, SplitscreenEventLogger logger) {
		TransactionPool transactionPool, SplitscreenEventLogger logger,
		Provider<Optional<StageTaskUnfoldController>> unfoldControllerProvider) {
		mContext = context;
		mDisplayId = displayId;
		mSyncQueue = syncQueue;
		mRootTDAOrganizer = rootTDAOrganizer;
		mTaskOrganizer = taskOrganizer;
		mLogger = logger;
		mMainUnfoldController = unfoldControllerProvider.get().orElse(null);
		mSideUnfoldController = unfoldControllerProvider.get().orElse(null);

		mMainStage = new MainStage(
		mTaskOrganizer,
		mDisplayId,
		mMainStageListener,
		mSyncQueue,
		mSurfaceSession);
		mSurfaceSession,
		mMainUnfoldController);
		mSideStage = new SideStage(
		mContext,
		mTaskOrganizer,
		mDisplayId,
		mSideStageListener,
		mSyncQueue,
		mSurfaceSession);
		mSurfaceSession,
		mSideUnfoldController);
		mDisplayImeController = displayImeController;
		mDisplayInsetsController = displayInsetsController;
		mDisplayInsetsController.addInsetsChangedListener(mDisplayId, mSideStage);
		@@ -218,7 +229,8 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		MainStage mainStage, SideStage sideStage, DisplayImeController displayImeController,
		DisplayInsetsController displayInsetsController, SplitLayout splitLayout,
		Transitions transitions, TransactionPool transactionPool,
		SplitscreenEventLogger logger) {
		SplitscreenEventLogger logger,
		Provider<Optional<StageTaskUnfoldController>> unfoldControllerProvider) {
		mContext = context;
		mDisplayId = displayId;
		mSyncQueue = syncQueue;
		@@ -232,6 +244,8 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		mSplitLayout = splitLayout;
		mSplitTransitions = new SplitScreenTransitions(transactionPool, transitions,
		mOnTransitionAnimationComplete);
		mMainUnfoldController = unfoldControllerProvider.get().orElse(null);
		mSideUnfoldController = unfoldControllerProvider.get().orElse(null);
		mLogger = logger;
		transitions.addHandler(this);
		}
		@@ -460,6 +474,7 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		onLayoutChanged(mSplitLayout);
		} else {
		updateWindowBounds(mSplitLayout, wct);
		updateUnfoldBounds();
		}
		}
		}
		@@ -606,6 +621,11 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		final SplitScreen.SplitScreenListener l = mListeners.get(i);
		l.onSplitVisibilityChanged(mDividerVisible);
		}

		if (mMainUnfoldController != null && mSideUnfoldController != null) {
		mMainUnfoldController.onSplitVisibilityChanged(mDividerVisible);
		mSideUnfoldController.onSplitVisibilityChanged(mDividerVisible);
		}
		}

		private void onStageRootTaskAppeared(StageListenerImpl stageListener) {
		@@ -644,6 +664,7 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		mDividerVisible = visible;
		if (visible) {
		mSplitLayout.init();
		updateUnfoldBounds();
		} else {
		mSplitLayout.release();
		}
		@@ -787,12 +808,20 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		public void onLayoutChanged(SplitLayout layout) {
		final WindowContainerTransaction wct = new WindowContainerTransaction();
		updateWindowBounds(layout, wct);
		updateUnfoldBounds();
		mSyncQueue.queue(wct);
		mSyncQueue.runInSync(t -> updateSurfaceBounds(layout, t));
		mSideStage.setOutlineVisibility(true);
		mLogger.logResize(mSplitLayout.getDividerPositionAsFraction());
		}

		private void updateUnfoldBounds() {
		if (mMainUnfoldController != null && mSideUnfoldController != null) {
		mMainUnfoldController.onLayoutChanged(getMainStageBounds());
		mSideUnfoldController.onLayoutChanged(getSideStageBounds());
		}
		}

		/**
		* Populates `wct` with operations that match the split windows to the current layout.
		* To match relevant surfaces, make sure to call updateSurfaceBounds after `wct` is applied
		@@ -849,6 +878,11 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		mDisplayAreaInfo.configuration, this, mParentContainerCallbacks,
		mDisplayImeController, mTaskOrganizer);
		mDisplayInsetsController.addInsetsChangedListener(mDisplayId, mSplitLayout);

		if (mMainUnfoldController != null && mSideUnfoldController != null) {
		mMainUnfoldController.init();
		mSideUnfoldController.init();
		}
		}
		}