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Bug 847002 - Guard against going into codepaths that assume GetLayerManager doesn't return null. r=Cwiiis

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This commit is contained in:
Kartikaya Gupta 2013-03-14 12:17:49 +01:00
parent 9e1ff5daa6
commit f17356ad95
1 changed files with 2 additions and 2 deletions
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4
widget/android/nsWindow.cpp
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@ -939,7 +939,7 @@ bool
nsWindow::DrawTo(gfxASurface *targetSurface, const nsIntRect &invalidRect)
{
mozilla::layers::RenderTraceScope trace("DrawTo", "717171");
if (!mIsVisible || !mWidgetListener)
if (!mIsVisible || !mWidgetListener || !GetLayerManager(nullptr))
return false;
nsRefPtr<nsWindow> kungFuDeathGrip(this);
@ -2328,7 +2328,7 @@ nsWindow::WidgetPaintsBackground()
bool
nsWindow::NeedsPaint()
{
if (sCompositorPaused || FindTopLevel() != nsWindow::TopWindow()) {
if (sCompositorPaused || FindTopLevel() != nsWindow::TopWindow() || !GetLayerManager(nullptr)) {
return false;
}
return nsIWidget::NeedsPaint();