Act on scrim visibility am: a8382dc052
Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15655786
Change-Id: I40626071bdaadd997cc1479118224847b78229d3
diff --git a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
index f01ff8b..6179b88 100644
--- a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
+++ b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
@@ -108,6 +108,13 @@
}
};
+ private final Runnable mOpaquenessListener = new Runnable() {
+ @Override
+ public void run() {
+ dispatchTransactionSurface(mDepth);
+ }
+ };
+
private final Launcher mLauncher;
/**
* Blur radius when completely zoomed out, in pixels.
@@ -154,23 +161,28 @@
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);
+ }
+
/**
* Sets if the underlying activity is started or not
*/
diff --git a/src/com/android/launcher3/views/ScrimView.java b/src/com/android/launcher3/views/ScrimView.java
index 1eb79ad..4c0bfde 100644
--- a/src/com/android/launcher3/views/ScrimView.java
+++ b/src/com/android/launcher3/views/ScrimView.java
@@ -25,23 +25,27 @@
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 @@
@Override
protected boolean onSetAlpha(int alpha) {
updateSysUiColors();
+ dispatchVisibilityListenersIfNeeded();
return super.onSetAlpha(alpha);
}
@@ -67,6 +72,7 @@
public void setBackgroundColor(int color) {
mBackgroundColor = color;
updateSysUiColors();
+ dispatchVisibilityListenersIfNeeded();
super.setBackgroundColor(color);
}
@@ -74,6 +80,7 @@
public void onVisibilityAggregated(boolean isVisible) {
super.onVisibilityAggregated(isVisible);
mIsVisible = isVisible;
+ dispatchVisibilityListenersIfNeeded();
}
public boolean isFullyOpaque() {
@@ -108,6 +115,17 @@
}
}
+ 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();
@@ -136,6 +154,22 @@
}
/**
+ * 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
*/
public interface ScrimDrawingController {