Render camera widget on a background thread. (37d84ae6) · Commits · e / os / android_frameworks_base

policy/src/com/android/internal/policy/impl/keyguard/CameraWidgetFrame.java

+42 −16

Original line number	Diff line number	Diff line
		@@ -152,37 +152,62 @@ public class CameraWidgetFrame extends KeyguardWidgetFrame implements View.OnCli
		}

		public void render() {
		final Throwable[] thrown = new Throwable[1];
		final Bitmap[] offscreen = new Bitmap[1];
		try {
		int width = getRootView().getWidth();
		int height = getRootView().getHeight();
		final int width = getRootView().getWidth();
		final int height = getRootView().getHeight();
		if (mRenderedSize.x == width && mRenderedSize.y == height) {
		if (DEBUG) Log.d(TAG, String.format("already rendered at size=%sx%s",
		if (DEBUG) Log.d(TAG, String.format("Already rendered at size=%sx%s",
		width, height));
		return;
		}
		if (width == 0 \|\| height == 0) {
		return;
		}
		if (DEBUG) Log.d(TAG, String.format("render size=%sx%s instance=%s at %s",
		width, height,
		Integer.toHexString(hashCode()),
		SystemClock.uptimeMillis()));

		Bitmap offscreen = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
		Canvas c = new Canvas(offscreen);
		final long start = SystemClock.uptimeMillis();
		offscreen[0] = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
		final Canvas c = new Canvas(offscreen[0]);
		mWidgetView.measure(
		MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY),
		MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY));
		mWidgetView.layout(0, 0, width, height);
		mWidgetView.draw(c);
		((ImageView)getChildAt(0)).setImageBitmap(offscreen);

		final long end = SystemClock.uptimeMillis();
		if (DEBUG) Log.d(TAG, String.format(
		"Rendered camera widget in %sms size=%sx%s instance=%s at %s",
		end - start,
		width, height,
		Integer.toHexString(hashCode()),
		end));
		mRenderedSize.set(width, height);
		} catch (Throwable t) {
		Log.w(TAG, "Error rendering camera widget", t);
		thrown[0] = t;
		}

		mHandler.post(new Runnable() {
		@Override
		public void run() {
		if (thrown[0] == null) {
		try {
		((ImageView) getChildAt(0)).setImageBitmap(offscreen[0]);
		} catch (Throwable t) {
		thrown[0] = t;
		}
		}
		if (thrown[0] == null)
		return;

		Log.w(TAG, "Error rendering camera widget", thrown[0]);
		try {
		removeAllViews();
		View genericView = inflateGenericWidgetView(mContext);
		final View genericView = inflateGenericWidgetView(mContext);
		addView(genericView);
		} catch (Throwable t) {
		Log.w(TAG, "Error inflating generic camera widget", t);
		}
		}});
		}

		private void transitionToCamera() {
		@@ -332,7 +357,8 @@ public class CameraWidgetFrame extends KeyguardWidgetFrame implements View.OnCli
		protected void onSizeChanged(int w, int h, int oldw, int oldh) {
		if (DEBUG) Log.d(TAG, String.format("onSizeChanged new=%sx%s old=%sx%s at %s",
		w, h, oldw, oldh, SystemClock.uptimeMillis()));
		mHandler.post(mRenderRunnable);
		final Handler worker = getWorkerHandler();
		(worker != null ? worker : mHandler).post(mRenderRunnable);
		super.onSizeChanged(w, h, oldw, oldh);
		}

policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetFrame.java

+10 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,7 @@ import android.graphics.PorterDuffXfermode;
		import android.graphics.Rect;
		import android.graphics.Shader;
		import android.graphics.drawable.Drawable;
		import android.os.Handler;
		import android.util.AttributeSet;
		import android.view.MotionEvent;
		import android.view.View;
		@@ -61,6 +62,7 @@ public class KeyguardWidgetFrame extends FrameLayout {
		private CheckLongPressHelper mLongPressHelper;
		private Animator mFrameFade;
		private boolean mIsSmall = false;
		private Handler mWorkerHandler;

		private float mBackgroundAlpha;
		private float mContentAlpha;
		@@ -465,4 +467,12 @@ public class KeyguardWidgetFrame extends FrameLayout {
		// hook for subclasses
		return false;
		}

		public void setWorkerHandler(Handler workerHandler) {
		mWorkerHandler = workerHandler;
		}

		public Handler getWorkerHandler() {
		return mWorkerHandler;
		}
		}

policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java

+11 −12

Original line number	Diff line number	Diff line
		@@ -72,9 +72,9 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit

		private KeyguardWidgetFrame mWidgetToResetAfterFadeOut;

		// Background threads to deal with persistence
		private HandlerThread mBgPersistenceWorkerThread;
		private Handler mBgPersistenceWorkerHandler;
		// Background worker thread: used here for persistence, also made available to widget frames
		private final HandlerThread mBackgroundWorkerThread;
		private final Handler mBackgroundWorkerHandler;

		public KeyguardWidgetPager(Context context, AttributeSet attrs) {
		this(context, attrs, 0);
		@@ -94,19 +94,17 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit

		Resources r = getResources();
		mCameraWidgetEnabled = r.getBoolean(R.bool.kg_enable_camera_default_widget);
		mBgPersistenceWorkerThread = new HandlerThread("KeyguardWidgetPager Persistence");
		mBgPersistenceWorkerThread.start();
		mBgPersistenceWorkerHandler = new Handler(mBgPersistenceWorkerThread.getLooper());
		mBackgroundWorkerThread = new HandlerThread("KeyguardWidgetPager Worker");
		mBackgroundWorkerThread.start();
		mBackgroundWorkerHandler = new Handler(mBackgroundWorkerThread.getLooper());
		}

		@Override
		protected void onDetachedFromWindow() {
		super.onDetachedFromWindow();

		// Clean up the persistence worker thread
		if (mBgPersistenceWorkerThread != null) {
		mBgPersistenceWorkerThread.quit();
		}
		// Clean up the worker thread
		mBackgroundWorkerThread.quit();
		}

		public void setViewStateManager(KeyguardViewStateManager viewStateManager) {
		@@ -230,7 +228,7 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit

		public void onRemoveView(View v) {
		final int appWidgetId = ((KeyguardWidgetFrame) v).getContentAppWidgetId();
		mBgPersistenceWorkerHandler.post(new Runnable() {
		mBackgroundWorkerHandler.post(new Runnable() {
		@Override
		public void run() {
		mLockPatternUtils.removeAppWidget(appWidgetId);
		@@ -245,7 +243,7 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
		boundByReorderablePages(true, pagesRange);
		// Subtract from the index to take into account pages before the reorderable
		// pages (e.g. the "add widget" page)
		mBgPersistenceWorkerHandler.post(new Runnable() {
		mBackgroundWorkerHandler.post(new Runnable() {
		@Override
		public void run() {
		mLockPatternUtils.addAppWidget(appWidgetId, index - pagesRange[0]);
		@@ -288,6 +286,7 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
		ViewGroup.LayoutParams pageLp = new ViewGroup.LayoutParams(
		ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
		frame.setOnLongClickListener(this);
		frame.setWorkerHandler(mBackgroundWorkerHandler);

		if (pageIndex == -1) {
		addView(frame, pageLp);