- Fix crash when changing gtk key theme

- Fix gtkmozembed window visibility
- Prevent UI freezes while changing GNOME theme
- Remove verbiage about pango; no longer required by upstream.

1 files changed, 263 insertions, 0 deletions

diff --git a/firefox-1.5-theme-change.patch b/firefox-1.5-theme-change.patch
new file mode 100644
index 0000000..375f06f
--- /dev/null
+++ b/firefox-1.5-theme-change.patch
@@ -0,0 +1,263 @@
+Index: layout/base/nsPresContext.cpp
+===================================================================
+RCS file: /cvsroot/mozilla/layout/base/nsPresContext.cpp,v
+retrieving revision 3.288.12.2.4.1
+diff -d -u -p -r3.288.12.2.4.1 nsPresContext.cpp
+--- layout/base/nsPresContext.cpp	21 Apr 2006 23:30:50 -0000	3.288.12.2.4.1
++++ layout/base/nsPresContext.cpp	26 Sep 2006 19:26:40 -0000
+@@ -73,6 +73,9 @@
+ #include "nsIDOMDocument.h"
+ #include "nsAutoPtr.h"
+ #include "nsEventStateManager.h"
++#include "nsIEventQueue.h"
++#include "nsIEventQueueService.h"
++
+ #ifdef IBMBIDI
+ #include "nsBidiPresUtils.h"
+ #endif // IBMBIDI
+@@ -267,6 +270,7 @@ nsPresContext::~nsPresContext()
+   NS_IF_RELEASE(mDeviceContext);
+   NS_IF_RELEASE(mLookAndFeel);
+   NS_IF_RELEASE(mLangGroup);
++  NS_IF_RELEASE(mEventQueueService);
+ }
+ 
+ NS_IMPL_ISUPPORTS2(nsPresContext, nsPresContext, nsIObserver)
+@@ -285,6 +289,17 @@ static const char* const kGenericFont[] 
+   ".fantasy."
+ };
+ 
++// Set to true when LookAndFeelChanged needs to be called.  This is used
++// because the look and feel is a service, so there's no need to notify it from
++// more than one prescontext.
++static PRBool sLookAndFeelChanged;
++
++// Set to true when ThemeChanged needs to be called on mTheme.  This is used
++// because mTheme is a service, so there's no need to notify it from more than
++// one prescontext.
++static PRBool sThemeChanged;
++
++
+ void
+ nsPresContext::GetFontPreferences()
+ {
+@@ -709,6 +724,9 @@ nsPresContext::Init(nsIDeviceContext* aD
+                                        this);
+ #endif
+ 
++  rv = CallGetService(NS_EVENTQUEUESERVICE_CONTRACTID, &mEventQueueService);
++  NS_ENSURE_SUCCESS(rv, rv);
++
+   // Initialize our state from the user preferences
+   GetUserPreferences();
+ 
+@@ -1180,33 +1198,126 @@ nsPresContext::GetTheme()
+ void
+ nsPresContext::ThemeChanged()
+ {
++  if (!mPendingThemeChanged) {
++    sLookAndFeelChanged = PR_TRUE;
++    sThemeChanged = PR_TRUE;
++
++    nsCOMPtr<nsIEventQueue> eventQ;
++    mEventQueueService->
++      GetSpecialEventQueue(nsIEventQueueService::UI_THREAD_EVENT_QUEUE,
++                           getter_AddRefs(eventQ));
++    if (!eventQ) {
++      return;
++    }
++
++    PLEvent* evt = new PLEvent();
++    if (!evt) {
++      return;
++    }
++
++    PL_InitEvent(evt, this, nsPresContext::ThemeChangedInternal,
++                 nsPresContext::DestroyThemeChangeEvt);
++
++    // After this point, event destruction will release |this|
++    NS_ADDREF_THIS();
++
++    nsresult rv = eventQ->PostEvent(evt);
++    if (NS_FAILED(rv)) {
++      PL_DestroyEvent(evt);
++    } else {
++      mPendingThemeChanged = PR_TRUE;
++    }
++  }    
++}
++
++void* PR_CALLBACK
++nsPresContext::ThemeChangedInternal(PLEvent *aEvent)
++{
++  nsPresContext* pc = NS_STATIC_CAST(nsPresContext*, aEvent->owner);
++
++  pc->mPendingThemeChanged = PR_FALSE;
++
+   // Tell the theme that it changed, so it can flush any handles to stale theme
+   // data.
+-  if (mTheme)
+-    mTheme->ThemeChanged();
++  if (pc->mTheme && sThemeChanged) {
++    pc->mTheme->ThemeChanged();
++    sThemeChanged = PR_FALSE;
++  }
+ 
+   // Clear all cached nsILookAndFeel colors.
+-  if (mLookAndFeel)
+-    mLookAndFeel->LookAndFeelChanged();
++  if (pc->mLookAndFeel && sLookAndFeelChanged) {
++    pc->mLookAndFeel->LookAndFeelChanged();
++    sLookAndFeelChanged = PR_FALSE;
++  }
+ 
+   // We have to clear style data because the assumption of style rule
+   // immutability has been violated since any style rule that uses
+   // system colors or fonts (and probably -moz-appearance as well) has
+   // changed.
+-  nsPresContext::ClearStyleDataAndReflow();
++  pc->ClearStyleDataAndReflow();
++
++  return nsnull;
++}
++
++
++void PR_CALLBACK
++nsPresContext::DestroyThemeChangeEvt(PLEvent* aEvent)
++{
++  nsPresContext* pc = NS_STATIC_CAST(nsPresContext*, aEvent->owner);
++  NS_RELEASE(pc);
++  delete aEvent;
+ }
+ 
+ void
+ nsPresContext::SysColorChanged()
+ {
+-  if (mLookAndFeel) {
++  if (!mPendingSysColorChanged) {
++    sLookAndFeelChanged = PR_TRUE;
++
++    nsCOMPtr<nsIEventQueue> eventQ;
++    mEventQueueService->
++      GetSpecialEventQueue(nsIEventQueueService::UI_THREAD_EVENT_QUEUE,
++                           getter_AddRefs(eventQ));
++    if (!eventQ) {
++      return;
++    }
++
++    PLEvent* evt = new PLEvent();
++    if (!evt) {
++      return;
++    }
++
++    PL_InitEvent(evt, this, nsPresContext::SysColorChangedInternal,
++                 nsPresContext::DestroySysColorChangeEvt);
++
++    // After this point, event destruction will release |this|
++    NS_ADDREF_THIS();
++
++    nsresult rv = eventQ->PostEvent(evt);
++    if (NS_FAILED(rv)) {
++      PL_DestroyEvent(evt);
++    } else {
++      mPendingSysColorChanged = PR_TRUE;
++    }
++  }
++}
++
++void* PR_CALLBACK
++nsPresContext::SysColorChangedInternal(PLEvent *aEvent)
++{
++  nsPresContext* pc = NS_STATIC_CAST(nsPresContext*, aEvent->owner);
++
++  pc->mPendingSysColorChanged = PR_FALSE;
++  
++  if (pc->mLookAndFeel && sLookAndFeelChanged) {
+      // Don't use the cached values for the system colors
+-    mLookAndFeel->LookAndFeelChanged();
++    pc->mLookAndFeel->LookAndFeelChanged();
++    sLookAndFeelChanged = PR_FALSE;
+   }
+-   
++
+   // Reset default background and foreground colors for the document since
+   // they may be using system colors
+-  GetDocumentColorPreferences();
++  pc->GetDocumentColorPreferences();
+ 
+   // Clear out all of the style data since it may contain RGB values
+   // which originated from system colors.
+@@ -1222,7 +1333,17 @@ nsPresContext::SysColorChanged()
+   // data without reflowing/updating views will lead to incorrect change hints
+   // later, because when generating change hints, any style structs which have
+   // been cleared and not reread are assumed to not be used at all.
+-  ClearStyleDataAndReflow();
++  pc->ClearStyleDataAndReflow();
++
++  return nsnull;
++}
++
++void PR_CALLBACK
++nsPresContext::DestroySysColorChangeEvt(PLEvent* aEvent)
++{
++  nsPresContext* pc = NS_STATIC_CAST(nsPresContext*, aEvent->owner);
++  NS_RELEASE(pc);
++  delete aEvent;
+ }
+ 
+ void
+Index: layout/base/nsPresContext.h
+===================================================================
+RCS file: /cvsroot/mozilla/layout/base/nsPresContext.h,v
+retrieving revision 3.150.4.2
+diff -d -u -p -r3.150.4.2 nsPresContext.h
+--- layout/base/nsPresContext.h	29 Aug 2005 16:15:39 -0000	3.150.4.2
++++ layout/base/nsPresContext.h	26 Sep 2006 19:26:40 -0000
+@@ -56,6 +56,7 @@
+ #include "nsCRT.h"
+ #include "nsIPrintSettings.h"
+ #include "nsPropertyTable.h"
++#include "plevent.h"
+ #ifdef IBMBIDI
+ class nsBidiPresUtils;
+ #endif // IBMBIDI
+@@ -76,6 +77,7 @@ class nsIAtom;
+ class nsIEventStateManager;
+ class nsIURI;
+ class nsILookAndFeel;
++class nsIEventQueueService;
+ class nsICSSPseudoComparator;
+ class nsIAtom;
+ struct nsStyleStruct;
+@@ -627,6 +629,14 @@ public:
+   const nscoord* GetBorderWidthTable() { return mBorderWidthTable; }
+ 
+ protected:
++  static NS_HIDDEN_(void*) PR_CALLBACK ThemeChangedInternal(PLEvent* aEvent);
++  static NS_HIDDEN_(void*) PR_CALLBACK SysColorChangedInternal(PLEvent* aEvent);
++  static NS_HIDDEN_(void) PR_CALLBACK DestroyThemeChangeEvt(PLEvent* aEvent);
++  static NS_HIDDEN_(void) PR_CALLBACK DestroySysColorChangeEvt(PLEvent* aEvent);
++
++  friend void* PR_CALLBACK ThemeChangedInternal(PLEvent* aEvent);
++  friend void* PR_CALLBACK SysColorChangedInternal(PLEvent* aEvent);
++
+   NS_HIDDEN_(void) SetImgAnimations(nsIContent *aParent, PRUint16 aMode);
+   NS_HIDDEN_(void) GetDocumentColorPreferences();
+ 
+@@ -654,6 +664,7 @@ protected:
+                                         // from gfx back to layout.
+   nsIEventStateManager* mEventManager;  // [STRONG]
+   nsILookAndFeel*       mLookAndFeel;   // [STRONG]
++  nsIEventQueueService *mEventQueueService; // [STRONG]
+   nsIAtom*              mMedium;        // initialized by subclass ctors;
+                                         // weak pointer to static atom
+ 
+@@ -724,6 +735,8 @@ protected:
+   unsigned              mCanPaginatedScroll : 1;
+   unsigned              mDoScaledTwips : 1;
+   unsigned              mEnableJapaneseTransform : 1;
++  unsigned              mPendingSysColorChanged : 1;
++  unsigned              mPendingThemeChanged : 1;
+ #ifdef IBMBIDI
+   unsigned              mIsVisual : 1;
+   unsigned              mIsBidiSystem : 1;