Bommels05/Mozilla
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Bug 113232. Make 'background:transparent' work on top-level XUL windows. r=pavlov,kmcclusk,bzbarsky,sr=bzbarsky

Browse Source 
git-svn-id: svn://10.0.0.236/trunk@140131 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
roc+%cs.cmu.edu
2003-03-24 04:54:48 +00:00
parent 0e5f07166f
commit 4afc0e3336
11 changed files with 740 additions and 219 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
mozilla/layout/generic/nsContainerFrame.cpp
View File

@@ -37,6 +37,7 @@
* ***** END LICENSE BLOCK ***** */
#include "nsContainerFrame.h"
#include "nsIContent.h"
#include "nsIDocument.h"
#include "nsIPresContext.h"
#include "nsIRenderingContext.h"
#include "nsStyleContext.h"
@@ -558,15 +559,41 @@ SyncFrameViewGeometryDependentProperties(nsIPresContext* aPresContext,
(bg->mBackgroundFlags & NS_STYLE_BG_COLOR_TRANSPARENT) ||
!aFrame->CanPaintBackground() ||
HasNonZeroBorderRadius(aStyleContext);
if (isCanvas && viewHasTransparentContent) {
if (isCanvas) {
nsIView* rootView;
vm->GetRootView(rootView);
nsIView* rootParent;
rootView->GetParent(rootParent);
if (nsnull == rootParent) {
if (!rootParent) {
viewHasTransparentContent = PR_FALSE;
// We need to set window translucency for top-level windows
// which have transparent backgrounds
if (bg->mBackgroundFlags & NS_STYLE_BG_COLOR_TRANSPARENT) {
nsCOMPtr<nsIPresShell> shell;
aPresContext->GetShell(getter_AddRefs(shell));
nsCOMPtr<nsIDocument> doc;
shell->GetDocument(getter_AddRefs(doc));
if (doc) {
nsCOMPtr<nsIDocument> parentDoc;
doc->GetParentDocument(getter_AddRefs(parentDoc));
if (!parentDoc) {
// our document is the root of the doc tree, so we must
// either be a top-level XUL window or something embedded.
// The SetWindowTranslucency call will fail if we're embedded.
nsCOMPtr<nsIWidget> widget;
aView->GetWidget(*getter_AddRefs(widget));
if (widget) {
// Enable translucency in the widget
widget->SetWindowTranslucency(PR_TRUE);
viewHasTransparentContent = PR_TRUE;
}
}
}
}
}
}
// XXX we should also set widget transparency for XUL popups that ask for it
const nsStyleDisplay* display;
::GetStyleData(aStyleContext, &display);