Act on scrim visibility am: a8382dc052 (f52fb6f6) · Commits · e / os / android_packages_apps_Trebuchet

quickstep/src/com/android/launcher3/statehandlers/DepthController.java

+16 −4

Original line number	Diff line number	Diff line
		@@ -108,6 +108,13 @@ public class DepthController implements StateHandler<LauncherState>,
		}
		};

		private final Runnable mOpaquenessListener = new Runnable() {
		@Override
		public void run() {
		dispatchTransactionSurface(mDepth);
		}
		};

		private final Launcher mLauncher;
		/**
		* Blur radius when completely zoomed out, in pixels.
		@@ -154,21 +161,26 @@ public class DepthController implements StateHandler<LauncherState>,
		if (windowToken != null) {
		mWallpaperManager.setWallpaperZoomOut(windowToken, mDepth);
		}
		CrossWindowBlurListeners.getInstance().addListener(mLauncher.getMainExecutor(),
		mCrossWindowBlurListener);
		onAttached();
		}

		@Override
		public void onViewDetachedFromWindow(View view) {
		CrossWindowBlurListeners.getInstance().removeListener(mCrossWindowBlurListener);
		mLauncher.getScrimView().removeOpaquenessListener(mOpaquenessListener);
		}
		};
		mLauncher.getRootView().addOnAttachStateChangeListener(mOnAttachListener);
		if (mLauncher.getRootView().isAttachedToWindow()) {
		CrossWindowBlurListeners.getInstance().addListener(mLauncher.getMainExecutor(),
		mCrossWindowBlurListener);
		onAttached();
		}
		}
		}

		private void onAttached() {
		CrossWindowBlurListeners.getInstance().addListener(mLauncher.getMainExecutor(),
		mCrossWindowBlurListener);
		mLauncher.getScrimView().addOpaquenessListener(mOpaquenessListener);
		}

		/**

src/com/android/launcher3/views/ScrimView.java

+35 −1

Original line number	Diff line number	Diff line
		@@ -25,23 +25,27 @@ import android.graphics.drawable.ColorDrawable;
		import android.util.AttributeSet;
		import android.view.View;

		import androidx.annotation.NonNull;
		import androidx.core.graphics.ColorUtils;

		import com.android.launcher3.BaseActivity;
		import com.android.launcher3.Insettable;
		import com.android.launcher3.util.SystemUiController;

		import java.util.ArrayList;

		/**
		* Simple scrim which draws a flat color
		*/
		public class ScrimView extends View implements Insettable {
		private static final float STATUS_BAR_COLOR_FORCE_UPDATE_THRESHOLD = 0.9f;

		private final ArrayList<Runnable> mOpaquenessListeners = new ArrayList<>(1);
		private SystemUiController mSystemUiController;

		private ScrimDrawingController mDrawingController;
		private int mBackgroundColor;
		private boolean mIsVisible = true;
		private boolean mLastDispatchedOpaqueness;

		public ScrimView(Context context, AttributeSet attrs) {
		super(context, attrs);
		@@ -60,6 +64,7 @@ public class ScrimView extends View implements Insettable {
		@Override
		protected boolean onSetAlpha(int alpha) {
		updateSysUiColors();
		dispatchVisibilityListenersIfNeeded();
		return super.onSetAlpha(alpha);
		}

		@@ -67,6 +72,7 @@ public class ScrimView extends View implements Insettable {
		public void setBackgroundColor(int color) {
		mBackgroundColor = color;
		updateSysUiColors();
		dispatchVisibilityListenersIfNeeded();
		super.setBackgroundColor(color);
		}

		@@ -74,6 +80,7 @@ public class ScrimView extends View implements Insettable {
		public void onVisibilityAggregated(boolean isVisible) {
		super.onVisibilityAggregated(isVisible);
		mIsVisible = isVisible;
		dispatchVisibilityListenersIfNeeded();
		}

		public boolean isFullyOpaque() {
		@@ -108,6 +115,17 @@ public class ScrimView extends View implements Insettable {
		}
		}

		private void dispatchVisibilityListenersIfNeeded() {
		boolean fullyOpaque = isFullyOpaque();
		if (mLastDispatchedOpaqueness == fullyOpaque) {
		return;
		}
		mLastDispatchedOpaqueness = fullyOpaque;
		for (int i = 0; i < mOpaquenessListeners.size(); i++) {
		mOpaquenessListeners.get(i).run();
		}
		}

		private SystemUiController getSystemUiController() {
		if (mSystemUiController == null) {
		mSystemUiController = BaseActivity.fromContext(getContext()).getSystemUiController();
		@@ -135,6 +153,22 @@ public class ScrimView extends View implements Insettable {
		}
		}

		/**
		* Registers a listener to be notified of whether the scrim is occluding other UI elements.
		* @see #isFullyOpaque()
		*/
		public void addOpaquenessListener(@NonNull Runnable listener) {
		mOpaquenessListeners.add(listener);
		}

		/**
		* Removes previously registered listener.
		* @see #addOpaquenessListener(Runnable)
		*/
		public void removeOpaquenessListener(@NonNull Runnable listener) {
		mOpaquenessListeners.remove(listener);
		}

		/**
		* A Utility interface allowing for other surfaces to draw on ScrimView
		*/