Merge "Implement "shared element" SS->LSS transition in screenshots" into sc-dev (070852ed) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/screenshot/LongScreenshotActivity.java

+17 −23

Original line number	Diff line number	Diff line
		@@ -32,8 +32,6 @@ import android.net.Uri;
		import android.os.Bundle;
		import android.os.UserHandle;
		import android.text.TextUtils;
		import android.transition.Transition;
		import android.transition.TransitionListenerAdapter;
		import android.util.Log;
		import android.view.ScrollCaptureResponse;
		import android.view.View;
		@@ -74,7 +72,7 @@ public class LongScreenshotActivity extends Activity {
		private final Executor mUiExecutor;
		private final Executor mBackgroundExecutor;
		private final ImageExporter mImageExporter;
		private final LongScreenshotHolder mLongScreenshotHolder;
		private final LongScreenshotData mLongScreenshotHolder;

		private ImageView mPreview;
		private ImageView mTransitionView;
		@@ -103,7 +101,7 @@ public class LongScreenshotActivity extends Activity {
		@Inject
		public LongScreenshotActivity(UiEventLogger uiEventLogger, ImageExporter imageExporter,
		@Main Executor mainExecutor, @Background Executor bgExecutor,
		LongScreenshotHolder longScreenshotHolder) {
		LongScreenshotData longScreenshotHolder) {
		mUiEventLogger = uiEventLogger;
		mUiExecutor = mainExecutor;
		mBackgroundExecutor = bgExecutor;
		@@ -116,7 +114,6 @@ public class LongScreenshotActivity extends Activity {
		public void onCreate(Bundle savedInstanceState) {
		Log.d(TAG, "onCreate(savedInstanceState = " + savedInstanceState + ")");
		super.onCreate(savedInstanceState);
		postponeEnterTransition();
		setContentView(R.layout.long_screenshot);

		mPreview = requireViewById(R.id.preview);
		@@ -210,13 +207,11 @@ public class LongScreenshotActivity extends Activity {
		public boolean onPreDraw() {
		mEnterTransitionView.getViewTreeObserver().removeOnPreDrawListener(this);
		updateImageDimensions();
		startPostponedEnterTransition();
		if (isActivityTransitionRunning()) {
		getWindow().getSharedElementEnterTransition().addListener(
		new TransitionListenerAdapter() {
		@Override
		public void onTransitionEnd(Transition transition) {
		super.onTransitionEnd(transition);
		mEnterTransitionView.post(() -> {
		Rect dest = new Rect();
		mEnterTransitionView.getBoundsOnScreen(dest);
		mLongScreenshotHolder.takeTransitionDestinationCallback()
		.setTransitionDestination(dest, () -> {
		mPreview.animate().alpha(1f);
		mCropView.setBoundaryPosition(
		CropView.CropBoundary.TOP, topFraction);
		@@ -226,9 +221,8 @@ public class LongScreenshotActivity extends Activity {
		mCropView.setVisibility(View.VISIBLE);
		setButtonsEnabled(true);
		mEnterTransitionView.setVisibility(View.GONE);
		}
		});
		}
		});
		return true;
		}
		});

packages/SystemUI/src/com/android/systemui/screenshot/LongScreenshotHolder.java→packages/SystemUI/src/com/android/systemui/screenshot/LongScreenshotData.java

+21 −4

Original line number	Diff line number	Diff line
		@@ -23,16 +23,19 @@ import java.util.concurrent.atomic.AtomicReference;
		import javax.inject.Inject;

		/**
		* LongScreenshotHolder holds on to 1 LongScreenshot reference to facilitate indirect in-process
		* passing.
		* LongScreenshotData holds on to 1 LongScreenshot reference and 1 TransitionDestination
		* reference, to facilitate indirect in-process passing.
		*/
		@SysUISingleton
		public class LongScreenshotHolder {
		public class LongScreenshotData {
		private final AtomicReference<ScrollCaptureController.LongScreenshot> mLongScreenshot;
		private final AtomicReference<ScreenshotController.TransitionDestination>
		mTransitionDestinationCallback;

		@Inject
		public LongScreenshotHolder() {
		public LongScreenshotData() {
		mLongScreenshot = new AtomicReference<>();
		mTransitionDestinationCallback = new AtomicReference<>();
		}

		/**
		@@ -56,4 +59,18 @@ public class LongScreenshotHolder {
		return mLongScreenshot.getAndSet(null);
		}

		/**
		* Set the holder's TransitionDestination callback.
		*/
		public void setTransitionDestinationCallback(
		ScreenshotController.TransitionDestination destination) {
		mTransitionDestinationCallback.set(destination);
		}

		/**
		* Return the current TransitionDestination callback and clear.
		*/
		public ScreenshotController.TransitionDestination takeTransitionDestinationCallback() {
		return mTransitionDestinationCallback.getAndSet(null);
		}
		}

packages/SystemUI/src/com/android/systemui/screenshot/ScreenshotController.java

+54 −17

Original line number	Diff line number	Diff line
		@@ -64,6 +64,7 @@ import android.view.IRemoteAnimationFinishedCallback;
		import android.view.IRemoteAnimationRunner;
		import android.view.KeyEvent;
		import android.view.LayoutInflater;
		import android.view.RemoteAnimationAdapter;
		import android.view.RemoteAnimationTarget;
		import android.view.ScrollCaptureResponse;
		import android.view.SurfaceControl;
		@@ -72,6 +73,7 @@ import android.view.ViewTreeObserver;
		import android.view.Window;
		import android.view.WindowInsets;
		import android.view.WindowManager;
		import android.view.WindowManagerGlobal;
		import android.view.accessibility.AccessibilityEvent;
		import android.view.accessibility.AccessibilityManager;
		import android.widget.Toast;
		@@ -203,6 +205,15 @@ public class ScreenshotController {
		void onActionsReady(ScreenshotController.QuickShareData quickShareData);
		}

		interface TransitionDestination {
		/**
		* Allows the long screenshot activity to call back with a destination location (the bounds
		* on screen of the destination for the transitioning view) and a Runnable to be run once
		* the transition animation is complete.
		*/
		void setTransitionDestination(Rect transitionDestination, Runnable onTransitionEnd);
		}

		// These strings are used for communicating the action invoked to
		// ScreenshotNotificationSmartActionsProvider.
		static final String EXTRA_ACTION_TYPE = "android:screenshot_action_type";
		@@ -241,7 +252,7 @@ public class ScreenshotController {
		private final PhoneWindow mWindow;
		private final DisplayManager mDisplayManager;
		private final ScrollCaptureController mScrollCaptureController;
		private final LongScreenshotHolder mLongScreenshotHolder;
		private final LongScreenshotData mLongScreenshotHolder;

		private ScreenshotView mScreenshotView;
		private Bitmap mScreenBitmap;
		@@ -286,7 +297,7 @@ public class ScreenshotController {
		ImageExporter imageExporter,
		@Main Executor mainExecutor,
		ScrollCaptureController scrollCaptureController,
		LongScreenshotHolder longScreenshotHolder) {
		LongScreenshotData longScreenshotHolder) {
		mScreenshotSmartActions = screenshotSmartActions;
		mNotificationsController = screenshotNotificationsController;
		mScrollCaptureClient = scrollCaptureClient;
		@@ -648,17 +659,29 @@ public class ScreenshotController {
		}

		mLongScreenshotHolder.setLongScreenshot(longScreenshot);
		mLongScreenshotHolder.setTransitionDestinationCallback(
		(transitionDestination, onTransitionEnd) ->
		mScreenshotView.startLongScreenshotTransition(
		transitionDestination, onTransitionEnd,
		longScreenshot));

		final Intent intent = new Intent(mContext, LongScreenshotActivity.class);
		intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK \| Intent.FLAG_ACTIVITY_CLEAR_TOP);

		Pair<ActivityOptions, ExitTransitionCoordinator> transition =
		ActivityOptions.startSharedElementAnimation(
		mWindow, new ScreenshotExitTransitionCallbacks(), null,
		Pair.create(mScreenshotView.getScrollablePreview(),
		ChooserActivity.FIRST_IMAGE_PREVIEW_TRANSITION_NAME));
		ActivityOptions.startSharedElementAnimation(mWindow,
		new ScreenshotExitTransitionCallbacksSupplier(false).get(),
		null);
		transition.second.startExit();
		mContext.startActivity(intent, transition.first.toBundle());
		RemoteAnimationAdapter runner = new RemoteAnimationAdapter(
		SCREENSHOT_REMOTE_RUNNER, 0, 0);
		try {
		WindowManagerGlobal.getWindowManagerService()
		.overridePendingAppTransitionRemote(runner, DEFAULT_DISPLAY);
		} catch (Exception e) {
		Log.e(TAG, "Error overriding screenshot app transition", e);
		}
		}, mMainExecutor);
		});
		} catch (CancellationException e) {
		@@ -883,8 +906,8 @@ public class ScreenshotController {
		return () -> {
		Pair<ActivityOptions, ExitTransitionCoordinator> transition =
		ActivityOptions.startSharedElementAnimation(
		mWindow, new ScreenshotExitTransitionCallbacks(), null,
		Pair.create(mScreenshotView.getScreenshotPreview(),
		mWindow, new ScreenshotExitTransitionCallbacksSupplier(true).get(),
		null, Pair.create(mScreenshotView.getScreenshotPreview(),
		ChooserActivity.FIRST_IMAGE_PREVIEW_TRANSITION_NAME));
		transition.second.startExit();

		@@ -970,7 +993,17 @@ public class ScreenshotController {
		return matchWithinTolerance;
		}

		private class ScreenshotExitTransitionCallbacks implements ExitTransitionCallbacks {
		private class ScreenshotExitTransitionCallbacksSupplier implements
		Supplier<ExitTransitionCallbacks> {
		final boolean mDismissOnHideSharedElements;

		ScreenshotExitTransitionCallbacksSupplier(boolean dismissOnHideSharedElements) {
		mDismissOnHideSharedElements = dismissOnHideSharedElements;
		}

		@Override
		public ExitTransitionCallbacks get() {
		return new ExitTransitionCallbacks() {
		@Override
		public boolean isReturnTransitionAllowed() {
		return false;
		@@ -978,11 +1011,15 @@ public class ScreenshotController {

		@Override
		public void hideSharedElements() {
		if (mDismissOnHideSharedElements) {
		finishDismiss();
		}
		}

		@Override
		public void onFinish() {
		}
		};
		}
		}
		}

packages/SystemUI/src/com/android/systemui/screenshot/ScreenshotView.java

+47 −3

Original line number	Diff line number	Diff line
		@@ -764,7 +764,53 @@ public class ScreenshotView extends FrameLayout implements
		return r;
		}

		void startLongScreenshotTransition(Rect destination, Runnable onTransitionEnd,
		ScrollCaptureController.LongScreenshot longScreenshot) {
		mScrollablePreview.setImageBitmap(longScreenshot.toBitmap());
		ValueAnimator anim = ValueAnimator.ofFloat(0, 1);
		float startX = mScrollablePreview.getX();
		float startY = mScrollablePreview.getY();
		int[] locInScreen = mScrollablePreview.getLocationOnScreen();
		destination.offset((int) startX - locInScreen[0], (int) startY - locInScreen[1]);
		mScrollablePreview.setPivotX(0);
		mScrollablePreview.setPivotY(0);
		mScrollablePreview.setAlpha(1f);
		float currentScale = mScrollablePreview.getWidth() / (float) longScreenshot.getWidth();
		Matrix matrix = new Matrix();
		matrix.setScale(currentScale, currentScale);
		matrix.postTranslate(
		longScreenshot.getLeft() * currentScale, longScreenshot.getTop() * currentScale);
		mScrollablePreview.setImageMatrix(matrix);
		float destinationScale = destination.width() / (float) mScrollablePreview.getWidth();
		anim.addUpdateListener(animation -> {
		float t = animation.getAnimatedFraction();
		mScrollingScrim.setAlpha(1 - t);
		float currScale = MathUtils.lerp(1, destinationScale, t);
		mScrollablePreview.setScaleX(currScale);
		mScrollablePreview.setScaleY(currScale);
		mScrollablePreview.setX(MathUtils.lerp(startX, destination.left, t));
		mScrollablePreview.setY(MathUtils.lerp(startY, destination.top, t));
		});
		anim.addListener(new AnimatorListenerAdapter() {
		@Override
		public void onAnimationEnd(Animator animation) {
		super.onAnimationEnd(animation);
		onTransitionEnd.run();
		mScrollablePreview.animate().alpha(0).setListener(new AnimatorListenerAdapter() {
		@Override
		public void onAnimationEnd(Animator animation) {
		super.onAnimationEnd(animation);
		mCallbacks.onDismiss();
		}
		});
		}
		});
		anim.start();
		}

		void prepareScrollingTransition(ScrollCaptureResponse response, Bitmap screenBitmap) {
		mScrollingScrim.setImageBitmap(screenBitmap);
		mScrollingScrim.setVisibility(View.VISIBLE);
		Rect scrollableArea = scrollableAreaOnScreen(response);
		float scale = mCornerSizeX
		/ (mOrientationPortrait ? screenBitmap.getWidth() : screenBitmap.getHeight());
		@@ -775,14 +821,12 @@ public class ScreenshotView extends FrameLayout implements
		params.height = (int) (scale * scrollableArea.height());
		Matrix matrix = new Matrix();
		matrix.setScale(scale, scale);
		matrix.postTranslate(0, -scrollableArea.top * scale);
		matrix.postTranslate(-scrollableArea.left * scale, -scrollableArea.top * scale);

		mScrollablePreview.setTranslationX(scale * scrollableArea.left);
		mScrollablePreview.setTranslationY(scale * scrollableArea.top);
		mScrollablePreview.setImageMatrix(matrix);

		mScrollingScrim.setImageBitmap(screenBitmap);
		mScrollingScrim.setVisibility(View.VISIBLE);
		mScrollablePreview.setImageBitmap(screenBitmap);
		mScrollablePreview.setVisibility(View.VISIBLE);
		createScreenshotFadeDismissAnimation(true).start();