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Bug 728614 - Part 7: Pause painting when the orientation changes in order to avoid getting intermediate frames painted; r=kats

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This commit is contained in:
Ehsan Akhgari 2012-02-22 15:14:28 -05:00
parent 21df951827
commit 0d41577b36
1 changed files with 13 additions and 0 deletions
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13
mobile/android/base/gfx/GeckoLayerClient.java
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@ -84,6 +84,8 @@ public class GeckoLayerClient implements GeckoEventListener,
private long mLastViewportChangeTime;
private boolean mPendingViewportAdjust;
private boolean mViewportSizeChanged;
private boolean mIgnorePaintsPendingViewportSizeChange;
private boolean mFirstPaint = true;
// mUpdateViewportOnEndDraw is used to indicate that we received a
// viewport update notification while drawing. therefore, when the
@ -130,6 +132,14 @@ public class GeckoLayerClient implements GeckoEventListener,
Log.e(LOGTAG, "### beginDrawing " + width + " " + height + " " + tileWidth + " " +
tileHeight + " " + hasDirectTexture);
// If the viewport has changed but we still don't have the latest viewport
// from Gecko, ignore the viewport passed to us from Gecko since that is going
// to be wrong.
if (!mFirstPaint && mIgnorePaintsPendingViewportSizeChange && !mUpdateViewportOnEndDraw) {
return null;
}
mFirstPaint = false;
// If we've changed surface types, cancel this draw
if (handleDirectTextureChange(hasDirectTexture)) {
Log.e(LOGTAG, "### Cancelling draw due to direct texture change");
@ -361,6 +371,7 @@ public class GeckoLayerClient implements GeckoEventListener,
void viewportSizeChanged() {
mViewportSizeChanged = true;
mIgnorePaintsPendingViewportSizeChange = true;
}
private void adjustViewport() {
@ -383,6 +394,7 @@ public class GeckoLayerClient implements GeckoEventListener,
if ("Viewport:UpdateAndDraw".equals(event)) {
Log.e(LOGTAG, "### Java side Viewport:UpdateAndDraw()!");
mUpdateViewportOnEndDraw = true;
mIgnorePaintsPendingViewportSizeChange = false;
// Redraw everything.
Rect rect = new Rect(0, 0, mBufferSize.width, mBufferSize.height);
@ -390,6 +402,7 @@ public class GeckoLayerClient implements GeckoEventListener,
} else if ("Viewport:UpdateLater".equals(event)) {
Log.e(LOGTAG, "### Java side Viewport:UpdateLater()!");
mUpdateViewportOnEndDraw = true;
mIgnorePaintsPendingViewportSizeChange = false;
}
}