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Bug 789887 - Avoid creating unnecessary AboutHomeRunnables. r=lucasr

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This commit is contained in:
Margaret Leibovic 2012-09-28 09:34:45 -07:00
parent 484494aade
commit 4737e1f99a
1 changed files with 16 additions and 3 deletions
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19
mobile/android/base/BrowserApp.java
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@ -51,6 +51,7 @@ abstract public class BrowserApp extends GeckoApp
public static BrowserToolbar mBrowserToolbar;
private AboutHomeContent mAboutHomeContent;
private Boolean mAboutHomeShowing = null;
private static final int ADDON_MENU_OFFSET = 1000;
private class MenuItemInfo {
@ -597,17 +598,29 @@ abstract public class BrowserApp extends GeckoApp
mAboutHomeContent.update(EnumSet.of(AboutHomeContent.UpdateFlags.TOP_SITES));
}
public void showAboutHome() {
private void showAboutHome() {
// Don't create an additional AboutHomeRunnable if about:home
// is already visible.
if (mAboutHomeShowing != null && mAboutHomeShowing)
return;
mAboutHomeShowing = true;
Runnable r = new AboutHomeRunnable(true);
mMainHandler.postAtFrontOfQueue(r);
}
public void hideAboutHome() {
private void hideAboutHome() {
// If hideAboutHome gets called before showAboutHome, we still need
// to create an AboutHomeRunnable to hide the about:home content.
if (mAboutHomeShowing != null && !mAboutHomeShowing)
return;
mAboutHomeShowing = false;
Runnable r = new AboutHomeRunnable(false);
mMainHandler.postAtFrontOfQueue(r);
}
public class AboutHomeRunnable implements Runnable {
private class AboutHomeRunnable implements Runnable {
boolean mShow;
AboutHomeRunnable(boolean show) {
mShow = show;