Fallback to static thumbnail for Live Wallpapers am: 5777750c31 (da48b3fd) · Commits · e / os / android_packages_apps_ThemePicker

src/com/android/customization/picker/WallpaperPreviewer.java

+42 −78

Original line number	Diff line number	Diff line
		@@ -15,9 +15,6 @@
		*/
		package com.android.customization.picker;

		import static android.view.View.MeasureSpec.EXACTLY;
		import static android.view.View.MeasureSpec.makeMeasureSpec;

		import android.app.Activity;
		import android.app.WallpaperColors;
		import android.content.Intent;
		@@ -25,8 +22,6 @@ import android.graphics.Rect;
		import android.graphics.RectF;
		import android.service.wallpaper.WallpaperService;
		import android.view.Surface;
		import android.view.SurfaceControlViewHost;
		import android.view.SurfaceHolder;
		import android.view.SurfaceView;
		import android.view.View;
		import android.view.ViewGroup;
		@@ -35,7 +30,6 @@ import android.widget.ImageView;
		import androidx.annotation.MainThread;
		import androidx.annotation.Nullable;
		import androidx.cardview.widget.CardView;
		import androidx.core.content.ContextCompat;
		import androidx.lifecycle.Lifecycle;
		import androidx.lifecycle.LifecycleObserver;
		import androidx.lifecycle.OnLifecycleEvent;
		@@ -47,6 +41,7 @@ import com.android.wallpaper.util.ScreenSizeCalculator;
		import com.android.wallpaper.util.SizeCalculator;
		import com.android.wallpaper.util.WallpaperConnection;
		import com.android.wallpaper.util.WallpaperConnection.WallpaperConnectionListener;
		import com.android.wallpaper.util.WallpaperSurfaceCallback;
		import com.android.wallpaper.widget.LiveTileOverlay;
		import com.android.wallpaper.widget.WallpaperColorsLoader;

		@@ -60,14 +55,10 @@ public class WallpaperPreviewer implements LifecycleObserver {
		private final Activity mActivity;
		private final ImageView mHomePreview;
		private final SurfaceView mWallpaperSurface;
		private final WallpaperSurfaceCallback mWallpaperSurfaceCallback =
		new WallpaperSurfaceCallback();

		private WallpaperSurfaceCallback mWallpaperSurfaceCallback;
		private WallpaperInfo mWallpaper;
		private WallpaperConnection mWallpaperConnection;
		// Home workspace surface is behind the app window, and so must the home image wallpaper like
		// the live wallpaper. This view is rendered on mWallpaperSurface for home image wallpaper.
		private ImageView mHomeImageWallpaper;
		@Nullable private WallpaperColorsListener mWallpaperColorsListener;

		/** Interface for getting {@link WallpaperColors} from wallpaper. */
		@@ -83,6 +74,8 @@ public class WallpaperPreviewer implements LifecycleObserver {
		mActivity = activity;
		mHomePreview = homePreview;
		mWallpaperSurface = wallpaperSurface;
		mWallpaperSurfaceCallback = new WallpaperSurfaceCallback(activity, mHomePreview,
		mWallpaperSurface, this::setUpWallpaperPreview);
		mWallpaperSurface.setZOrderMediaOverlay(false);
		mWallpaperSurface.getHolder().addCallback(mWallpaperSurfaceCallback);

		@@ -153,18 +146,19 @@ public class WallpaperPreviewer implements LifecycleObserver {
		}

		private void setUpWallpaperPreview() {
		if (mWallpaper != null && mHomeImageWallpaper != null) {
		ImageView homeImageWallpaper = mWallpaperSurfaceCallback.getHomeImageWallpaper();
		if (mWallpaper != null && homeImageWallpaper != null) {
		boolean renderInImageWallpaperSurface = !(mWallpaper instanceof LiveWallpaperInfo);
		mWallpaper.getThumbAsset(mActivity.getApplicationContext())
		.loadPreviewImage(mActivity,
		renderInImageWallpaperSurface ? mHomeImageWallpaper : mHomePreview,
		renderInImageWallpaperSurface ? homeImageWallpaper : mHomePreview,
		mActivity.getResources().getColor(R.color.secondary_color));
		LiveTileOverlay.INSTANCE.detach(mHomePreview.getOverlay());
		if (mWallpaper instanceof LiveWallpaperInfo) {
		mWallpaper.getThumbAsset(mActivity.getApplicationContext())
		.loadPreviewImage(
		mActivity,
		mHomeImageWallpaper,
		homeImageWallpaper,
		mActivity.getColor(R.color.secondary_color));
		setUpLiveWallpaperPreview(mWallpaper);
		} else {
		@@ -193,7 +187,7 @@ public class WallpaperPreviewer implements LifecycleObserver {
		if (mWallpaperConnection != null) {
		mWallpaperConnection.disconnect();
		}

		if (WallpaperConnection.isPreviewAvailable()) {
		mHomePreview.getLocationOnScreen(mLivePreviewLocation);
		mPreviewGlobalRect.set(0, 0, mHomePreview.getMeasuredWidth(),
		mHomePreview.getMeasuredHeight());
		@@ -204,7 +198,8 @@ public class WallpaperPreviewer implements LifecycleObserver {
		getWallpaperIntent(homeWallpaper.getWallpaperComponent()), mActivity,
		new WallpaperConnectionListener() {
		@Override
		public void onWallpaperColorsChanged(WallpaperColors colors, int displayId) {
		public void onWallpaperColorsChanged(WallpaperColors colors,
		int displayId) {
		if (mWallpaperColorsListener != null) {
		mWallpaperColorsListener.onWallpaperColorsChanged(colors);
		}
		@@ -221,6 +216,15 @@ public class WallpaperPreviewer implements LifecycleObserver {
		LiveTileOverlay.INSTANCE.detach(mHomePreview.getOverlay());
		}
		});
		} else {
		// Load wallpaper color from the thumbnail.
		if (mWallpaperColorsListener != null) {
		WallpaperColorsLoader.getWallpaperColors(
		mActivity,
		mWallpaper.getThumbAsset(mActivity),
		mWallpaperColorsListener::onWallpaperColorsChanged);
		}
		}
		}

		/** Updates the preview card view corner radius to match the device corner radius. */
		@@ -239,44 +243,4 @@ public class WallpaperPreviewer implements LifecycleObserver {
		return new Intent(WallpaperService.SERVICE_INTERFACE)
		.setClassName(info.getPackageName(), info.getServiceName());
		}

		private class WallpaperSurfaceCallback implements SurfaceHolder.Callback {

		private Surface mLastSurface;
		private SurfaceControlViewHost mHost;

		@Override
		public void surfaceCreated(SurfaceHolder holder) {
		if (mLastSurface != holder.getSurface()) {
		mLastSurface = holder.getSurface();
		mHomeImageWallpaper = new ImageView(mActivity);
		mHomeImageWallpaper.setBackgroundColor(
		ContextCompat.getColor(mActivity, R.color.primary_color));
		mHomeImageWallpaper.measure(makeMeasureSpec(mHomePreview.getWidth(), EXACTLY),
		makeMeasureSpec(mHomePreview.getHeight(), EXACTLY));
		mHomeImageWallpaper.layout(0, 0, mHomePreview.getWidth(), mHomePreview.getHeight());

		cleanUp();
		mHost = new SurfaceControlViewHost(mActivity,
		mActivity.getDisplay(), mWallpaperSurface.getHostToken());
		mHost.setView(mHomeImageWallpaper, mHomeImageWallpaper.getWidth(),
		mHomeImageWallpaper.getHeight());
		mWallpaperSurface.setChildSurfacePackage(mHost.getSurfacePackage());
		}
		setUpWallpaperPreview();
		}

		@Override
		public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {}

		@Override
		public void surfaceDestroyed(SurfaceHolder holder) {}

		public void cleanUp() {
		if (mHost != null) {
		mHost.release();
		mHost = null;
		}
		}
		}
		}