Merge "Fix 2797185: Re-enable thumbnail generation in framework" into gingerbread (9d42c7f7) · Commits · e / os / android_frameworks_base

core/java/android/app/Activity.java

+28 −8

Original line number	Diff line number	Diff line
		@@ -67,6 +67,8 @@ import android.view.View.OnCreateContextMenuListener;
		import android.view.ViewGroup.LayoutParams;
		import android.view.accessibility.AccessibilityEvent;
		import android.widget.AdapterView;
		import android.widget.FrameLayout;
		import android.widget.LinearLayout;

		import java.util.ArrayList;
		import java.util.HashMap;
		@@ -1204,19 +1206,37 @@ public class Activity extends ContextThemeWrapper
		* @see #onPause
		*/
		public boolean onCreateThumbnail(Bitmap outBitmap, Canvas canvas) {
		final View view = mDecor;
		if (view == null) {
		if (mDecor == null) {
		return false;
		}

		final int vw = view.getWidth();
		final int vh = view.getHeight();
		final int dw = outBitmap.getWidth();
		final int dh = outBitmap.getHeight();
		int paddingLeft = 0;
		int paddingRight = 0;
		int paddingTop = 0;
		int paddingBottom = 0;

		// Find System window and use padding so we ignore space reserved for decorations
		// like the status bar and such.
		final FrameLayout top = (FrameLayout) mDecor;
		for (int i = 0; i < top.getChildCount(); i++) {
		View child = top.getChildAt(i);
		if (child.isFitsSystemWindowsFlagSet()) {
		paddingLeft = child.getPaddingLeft();
		paddingRight = child.getPaddingRight();
		paddingTop = child.getPaddingTop();
		paddingBottom = child.getPaddingBottom();
		break;
		}
		}

		final int visibleWidth = mDecor.getWidth() - paddingLeft - paddingRight;
		final int visibleHeight = mDecor.getHeight() - paddingTop - paddingBottom;

		canvas.save();
		canvas.scale(((float)dw)/vw, ((float)dh)/vh);
		view.draw(canvas);
		canvas.scale( (float) outBitmap.getWidth() / visibleWidth,
		(float) outBitmap.getHeight() / visibleHeight);
		canvas.translate(-paddingLeft, -paddingTop);
		mDecor.draw(canvas);
		canvas.restore();

		return true;

core/java/android/app/ActivityManager.java

+35 −5

Original line number	Diff line number	Diff line
		@@ -286,23 +286,53 @@ public class ActivityManager {
		* actual number returned may be smaller, depending on how many tasks the
		* user has started.
		*
		* @param flags Optional flags
		* @param receiver Optional receiver for delayed thumbnails
		*
		* @return Returns a list of RunningTaskInfo records describing each of
		* the running tasks.
		*
		* Some thumbnails may not be available at the time of this call. The optional
		* receiver may be used to receive those thumbnails.
		*
		* @throws SecurityException Throws SecurityException if the caller does
		* not hold the {@link android.Manifest.permission#GET_TASKS} permission.
		*
		* @hide
		*/
		public List<RunningTaskInfo> getRunningTasks(int maxNum)
		public List<RunningTaskInfo> getRunningTasks(int maxNum, int flags, IThumbnailReceiver receiver)
		throws SecurityException {
		try {
		return (List<RunningTaskInfo>)ActivityManagerNative.getDefault()
		.getTasks(maxNum, 0, null);
		return ActivityManagerNative.getDefault().getTasks(maxNum, flags, receiver);
		} catch (RemoteException e) {
		// System dead, we will be dead too soon!
		return null;
		}
		}

		/**
		* Return a list of the tasks that are currently running, with
		* the most recent being first and older ones after in order. Note that
		* "running" does not mean any of the task's code is currently loaded or
		* activity -- the task may have been frozen by the system, so that it
		* can be restarted in its previous state when next brought to the
		* foreground.
		*
		* @param maxNum The maximum number of entries to return in the list. The
		* actual number returned may be smaller, depending on how many tasks the
		* user has started.
		*
		* @return Returns a list of RunningTaskInfo records describing each of
		* the running tasks.
		*
		* @throws SecurityException Throws SecurityException if the caller does
		* not hold the {@link android.Manifest.permission#GET_TASKS} permission.
		*/
		public List<RunningTaskInfo> getRunningTasks(int maxNum)
		throws SecurityException {
		return getRunningTasks(maxNum, 0, null);
		}

		/**
		* Information you can retrieve about a particular Service that is
		* currently running in the system.

core/java/android/app/ActivityThread.java

+19 −7

Original line number	Diff line number	Diff line
		@@ -115,6 +115,7 @@ final class RemoteServiceException extends AndroidRuntimeException {
		*/
		public final class ActivityThread {
		static final String TAG = "ActivityThread";
		private static final android.graphics.Bitmap.Config THUMBNAIL_FORMAT = Bitmap.Config.RGB_565;
		private static final boolean DEBUG = false;
		static final boolean localLOGV = DEBUG ? Config.LOGD : Config.LOGV;
		static final boolean DEBUG_BROADCAST = false;
		@@ -2210,13 +2211,24 @@ public final class ActivityThread {
		h = mThumbnailHeight;
		}

		// XXX Only set hasAlpha if needed?
		thumbnail = Bitmap.createBitmap(w, h, Bitmap.Config.RGB_565);
		// On platforms where we don't want thumbnails, set dims to (0,0)
		if ((w > 0) && (h > 0)) {
		View topView = r.activity.getWindow().getDecorView();

		// Maximize bitmap by capturing in native aspect.
		if (topView.getWidth() >= topView.getHeight()) {
		thumbnail = Bitmap.createBitmap(w, h, THUMBNAIL_FORMAT);
		} else {
		thumbnail = Bitmap.createBitmap(h, w, THUMBNAIL_FORMAT);
		}

		thumbnail.eraseColor(0);
		Canvas cv = new Canvas(thumbnail);
		if (!r.activity.onCreateThumbnail(thumbnail, cv)) {
		thumbnail = null;
		}
		}

		} catch (Exception e) {
		if (!mInstrumentation.onException(r.activity, e)) {
		throw new RuntimeException(
		@@ -2347,7 +2359,7 @@ public final class ActivityThread {
		if (info != null) {
		try {
		// First create a thumbnail for the activity...
		//info.thumbnail = createThumbnailBitmap(r);
		info.thumbnail = createThumbnailBitmap(r);
		info.description = r.activity.onCreateDescription();
		} catch (Exception e) {
		if (!mInstrumentation.onException(r.activity, e)) {

core/java/android/view/View.java

+10 −0

Original line number	Diff line number	Diff line
		@@ -3004,6 +3004,16 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
		return false;
		}

		/**
		* Determine if this view has the FITS_SYSTEM_WINDOWS flag set.
		* @return True if window has FITS_SYSTEM_WINDOWS set
		*
		* @hide
		*/
		public boolean isFitsSystemWindowsFlagSet() {
		return (mViewFlags & FITS_SYSTEM_WINDOWS) == FITS_SYSTEM_WINDOWS;
		}

		/**
		* Returns the visibility status for this view.
		*

core/res/res/values/dimens.xml

+2 −2

Original line number	Diff line number	Diff line
		@@ -19,9 +19,9 @@
		-->
		<resources>
		<!-- The width that is used when creating thumbnails of applications. -->
		<dimen name="thumbnail_width">84dp</dimen>
		<dimen name="thumbnail_width">0dp</dimen>
		<!-- The height that is used when creating thumbnails of applications. -->
		<dimen name="thumbnail_height">63dp</dimen>
		<dimen name="thumbnail_height">0dp</dimen>
		<!-- The standard size (both width and height) of an application icon that
		will be displayed in the app launcher and elsewhere. -->
		<dimen name="app_icon_size">48dip</dimen>