am 71d73a0d: Merge "Add a method to hide/show a SurfaceView\'s surface." into froyo (804d0496) · Commits · e / os / android_frameworks_base

core/java/android/view/SurfaceView.java

+41 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package android.view;

		import android.util.DisplayMetrics;
		import com.android.internal.view.BaseIWindow;

		import android.content.Context;
		@@ -220,6 +221,46 @@ public class SurfaceView extends View {
		updateWindow(false);
		}

		/**
		* This method is not intended for general use. It was created
		* temporarily to improve performance of 3D layers in Launcher
		* and should be removed and fixed properly.
		*
		* Do not call this method. Ever.
		*
		* @hide
		*/
		protected void showSurface() {
		if (mSession != null) {
		updateWindow(true);
		}
		}

		/**
		* This method is not intended for general use. It was created
		* temporarily to improve performance of 3D layers in Launcher
		* and should be removed and fixed properly.
		*
		* Do not call this method. Ever.
		*
		* @hide
		*/
		protected void hideSurface() {
		if (mSession != null && mWindow != null) {
		mSurfaceLock.lock();
		try {
		DisplayMetrics metrics = getResources().getDisplayMetrics();
		mLayout.x = metrics.widthPixels * 3;
		mSession.relayout(mWindow, mLayout, mWidth, mHeight, VISIBLE, false,
		mWinFrame, mContentInsets, mVisibleInsets, mConfiguration, mSurface);
		} catch (RemoteException e) {
		// Ignore
		} finally {
		mSurfaceLock.unlock();
		}
		}
		}

		@Override
		protected void onDetachedFromWindow() {
		getViewTreeObserver().removeOnScrollChangedListener(mScrollChangedListener);