Merge "Save most recent thumbnail Bitmap for reuse." (2d1eb74a) · Commits · e / os / android_frameworks_base

services/java/com/android/server/am/ActivityStack.java

+18 −2

Original line number	Diff line number	Diff line
		@@ -45,6 +45,7 @@ import android.content.pm.ResolveInfo;
		import android.content.res.Configuration;
		import android.content.res.Resources;
		import android.graphics.Bitmap;
		import android.graphics.Bitmap.Config;
		import android.os.Binder;
		import android.os.Bundle;
		import android.os.Handler;
		@@ -280,6 +281,13 @@ final class ActivityStack {
		*/
		boolean mDismissKeyguardOnNextActivity = false;

		/**
		* Save the most recent screenshot for reuse. This keeps Recents from taking two identical
		* screenshots, one for the Recents thumbnail and one for the pauseActivity thumbnail.
		*/
		private ActivityRecord mLastScreenshotActivity = null;
		private Bitmap mLastScreenshotBitmap = null;

		int mThumbnailWidth = -1;
		int mThumbnailHeight = -1;

		@@ -931,8 +939,16 @@ final class ActivityStack {
		}

		if (w > 0) {
		return mService.mWindowManager.screenshotApplications(who.appToken,
		Display.DEFAULT_DISPLAY, w, h);
		if (who != mLastScreenshotActivity \|\| mLastScreenshotBitmap == null
		\|\| mLastScreenshotBitmap.getWidth() != w
		\|\| mLastScreenshotBitmap.getHeight() != h) {
		mLastScreenshotActivity = who;
		mLastScreenshotBitmap = mService.mWindowManager.screenshotApplications(
		who.appToken, Display.DEFAULT_DISPLAY, w, h);
		}
		if (mLastScreenshotBitmap != null) {
		return mLastScreenshotBitmap.copy(Config.ARGB_8888, true);
		}
		}
		return null;
		}