Merge "Improve the performance when loading image wallpaper colors" into pi-dev (b53be1d2) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/colorextraction/ColorExtractor.java

+34 −11

Original line number	Diff line number	Diff line
		@@ -21,8 +21,7 @@ import android.annotation.Nullable;
		import android.app.WallpaperColors;
		import android.app.WallpaperManager;
		import android.content.Context;
		import android.os.Trace;
		import android.os.UserHandle;
		import android.os.AsyncTask;
		import android.util.Log;
		import android.util.SparseArray;

		@@ -32,7 +31,6 @@ import com.android.internal.colorextraction.types.Tonal;

		import java.lang.ref.WeakReference;
		import java.util.ArrayList;
		import java.util.Iterator;

		/**
		* Class to process wallpaper colors and generate a tonal palette based on them.
		@@ -55,11 +53,11 @@ public class ColorExtractor implements WallpaperManager.OnColorsChangedListener
		protected WallpaperColors mLockColors;

		public ColorExtractor(Context context) {
		this(context, new Tonal(context));
		this(context, new Tonal(context), true /* immediately */);
		}

		@VisibleForTesting
		public ColorExtractor(Context context, ExtractionType extractionType) {
		public ColorExtractor(Context context, ExtractionType extractionType, boolean immediately) {
		mContext = context;
		mExtractionType = extractionType;

		@@ -73,23 +71,48 @@ public class ColorExtractor implements WallpaperManager.OnColorsChangedListener
		}

		mOnColorsChangedListeners = new ArrayList<>();
		GradientColors[] systemColors = mGradientColors.get(WallpaperManager.FLAG_SYSTEM);
		GradientColors[] lockColors = mGradientColors.get(WallpaperManager.FLAG_LOCK);

		WallpaperManager wallpaperManager = mContext.getSystemService(WallpaperManager.class);
		if (wallpaperManager == null) {
		Log.w(TAG, "Can't listen to color changes!");
		} else {
		wallpaperManager.addOnColorsChangedListener(this, null /* handler */);
		initExtractColors(wallpaperManager, immediately);
		}
		}

		// Initialize all gradients with the current colors
		Trace.beginSection("ColorExtractor#getWallpaperColors");
		private void initExtractColors(WallpaperManager wallpaperManager, boolean immediately) {
		if (immediately) {
		mSystemColors = wallpaperManager.getWallpaperColors(WallpaperManager.FLAG_SYSTEM);
		mLockColors = wallpaperManager.getWallpaperColors(WallpaperManager.FLAG_LOCK);
		Trace.endSection();
		extractWallpaperColors();
		} else {
		new LoadWallpaperColors().executeOnExecutor(
		AsyncTask.THREAD_POOL_EXECUTOR, wallpaperManager);
		}
		}

		private class LoadWallpaperColors extends AsyncTask<WallpaperManager, Void, Void> {
		private WallpaperColors mSystemColors;
		private WallpaperColors mLockColors;
		@Override
		protected Void doInBackground(WallpaperManager... params) {
		mSystemColors = params[0].getWallpaperColors(WallpaperManager.FLAG_SYSTEM);
		mLockColors = params[0].getWallpaperColors(WallpaperManager.FLAG_LOCK);
		return null;
		}
		@Override
		protected void onPostExecute(Void b) {
		ColorExtractor.this.mSystemColors = mSystemColors;
		ColorExtractor.this.mLockColors = mLockColors;
		extractWallpaperColors();
		triggerColorsChanged(WallpaperManager.FLAG_SYSTEM \| WallpaperManager.FLAG_LOCK);
		}
		}

		// Initialize all gradients with the current colors
		private void extractWallpaperColors() {
		GradientColors[] systemColors = mGradientColors.get(WallpaperManager.FLAG_SYSTEM);
		GradientColors[] lockColors = mGradientColors.get(WallpaperManager.FLAG_LOCK);
		extractInto(mSystemColors,
		systemColors[TYPE_NORMAL],
		systemColors[TYPE_DARK],

packages/SystemUI/src/com/android/systemui/colorextraction/SysuiColorExtractor.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -55,7 +55,7 @@ public class SysuiColorExtractor extends ColorExtractor implements Dumpable {

		@VisibleForTesting
		public SysuiColorExtractor(Context context, ExtractionType type, boolean registerVisibility) {
		super(context, type);
		super(context, type, false /* immediately */);
		mWpHiddenColors = new GradientColors();

		WallpaperColors systemColors = getWallpaperColors(WallpaperManager.FLAG_SYSTEM);

tests/Internal/src/com/android/internal/colorextraction/ColorExtractorTest.java

+3 −3

Original line number	Diff line number	Diff line
		@@ -56,7 +56,7 @@ public class ColorExtractorTest {
		@Test
		public void ColorExtractor_extractWhenInitialized() {
		ExtractionType type = mock(Tonal.class);
		new ColorExtractor(mContext, type);
		new ColorExtractor(mContext, type, true);
		// 1 for lock and 1 for system
		verify(type, times(2))
		.extractInto(any(), any(), any(), any());
		@@ -83,7 +83,7 @@ public class ColorExtractorTest {
		outGradientColorsDark.set(colorsExpectedDark);
		outGradientColorsExtraDark.set(colorsExpectedExtraDark);
		};
		ColorExtractor extractor = new ColorExtractor(mContext, type);
		ColorExtractor extractor = new ColorExtractor(mContext, type, true);

		GradientColors colors = extractor.getColors(WallpaperManager.FLAG_SYSTEM,
		ColorExtractor.TYPE_NORMAL);
		@@ -98,7 +98,7 @@ public class ColorExtractorTest {
		public void addOnColorsChangedListener_invokesListener() {
		ColorExtractor.OnColorsChangedListener mockedListeners =
		mock(ColorExtractor.OnColorsChangedListener.class);
		ColorExtractor extractor = new ColorExtractor(mContext, new Tonal(mContext));
		ColorExtractor extractor = new ColorExtractor(mContext, new Tonal(mContext), true);
		extractor.addOnColorsChangedListener(mockedListeners);

		extractor.onColorsChanged(new WallpaperColors(Color.valueOf(Color.RED), null, null),