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Bug 992921 - Only load default panel when displaying about:home (r=margaret)

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This commit is contained in:
Lucas Rocha 2014-04-08 12:02:49 +01:00
parent 162588a904
commit 772da843d1
1 changed files with 21 additions and 0 deletions
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21
mobile/android/base/home/HomePager.java
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@ -16,6 +16,7 @@ import org.mozilla.gecko.animation.PropertyAnimator;
import org.mozilla.gecko.animation.ViewHelper;
import org.mozilla.gecko.home.HomeAdapter.OnAddPanelListener;
import org.mozilla.gecko.home.HomeConfig.PanelConfig;
import org.mozilla.gecko.util.ThreadUtils;
import android.content.Context;
import android.graphics.drawable.Drawable;
@ -285,6 +286,12 @@ public class HomePager extends ViewPager {
final HomeAdapter adapter = (HomeAdapter) getAdapter();
// Disable any fragment loading until we have the initial
// panel selection done. Store previous value to restore
// it if necessary once the UI is fully updated.
final boolean canLoadHint = adapter.getCanLoadHint();
adapter.setCanLoadHint(false);
// Destroy any existing panels currently loaded
// in the pager.
setAdapter(null);
@ -342,6 +349,20 @@ public class HomePager extends ViewPager {
setCurrentItem(mDefaultPageIndex, false);
}
}
// If the load hint was originally true, this means the pager
// is not animating and it's fine to restore the load hint back.
if (canLoadHint) {
// The selection is updated asynchronously so we need to post to
// UI thread to give the pager time to commit the new page selection
// internally and load the right initial panel.
ThreadUtils.getUiHandler().post(new Runnable() {
@Override
public void run() {
adapter.setCanLoadHint(true);
}
});
}
}
private class ConfigLoaderCallbacks implements LoaderCallbacks<HomeConfig.State> {