Propagate trusted flag to synthesized events. b=265692 r=bzbarsky sr=jst a=asa

content/events/src/nsEventStateManager.cpp

@@ -1124,6 +1124,9 @@ void
 nsEventStateManager::CreateClickHoldTimer(nsPresContext* inPresContext,
                                           nsGUIEvent* inMouseDownEvent)
 {
+  if (!(inMouseDownEvent->internalAppFlags & NS_APP_EVENT_FLAG_TRUSTED))
+    return;
+
   // just to be anal (er, safe)
   if (mClickHoldTimer) {
     mClickHoldTimer->Cancel();
@@ -1231,6 +1234,7 @@ nsEventStateManager::FireContextClick()
   event.clickCount = 1;
   event.point = mEventPoint;
   event.refPoint = mEventRefPoint;
+  event.internalAppFlags |= NS_APP_EVENT_FLAG_TRUSTED;
 
   // Dispatch to the DOM. We have to fake out the ESM and tell it that the
   // current target frame is actually where the mouseDown occurred, otherwise it
@@ -1481,6 +1485,8 @@ nsEventStateManager::GenerateDragGesture(nsPresContext* aPresContext,
       event.isControl = ((nsMouseEvent*)aEvent)->isControl;
       event.isAlt = ((nsMouseEvent*)aEvent)->isAlt;
       event.isMeta = ((nsMouseEvent*)aEvent)->isMeta;
+      event.internalAppFlags |=
+        aEvent->internalAppFlags & NS_APP_EVENT_FLAG_TRUSTED;
 
       // Dispatch to the DOM. We have to fake out the ESM and tell it that the
       // current target frame is actually where the mouseDown occurred, otherwise it
@@ -2508,6 +2514,8 @@ nsEventStateManager::DispatchMouseEvent(nsPresContext* aPresContext,
   event.isAlt = ((nsMouseEvent*)aEvent)->isAlt;
   event.isMeta = ((nsMouseEvent*)aEvent)->isMeta;
   event.nativeMsg = ((nsMouseEvent*)aEvent)->nativeMsg;
+  event.internalAppFlags |=
+    aEvent->internalAppFlags & NS_APP_EVENT_FLAG_TRUSTED;
 
   mCurrentTargetContent = aTargetContent;
   mCurrentRelatedContent = aRelatedContent;
@@ -2563,6 +2571,8 @@ nsEventStateManager::MaybeDispatchMouseEventToIframe(
           event.isAlt = ((nsMouseEvent*)aEvent)->isAlt;
           event.isMeta = ((nsMouseEvent*)aEvent)->isMeta;
           event.nativeMsg = ((nsMouseEvent*)aEvent)->nativeMsg;
+          event.internalAppFlags |=
+            aEvent->internalAppFlags & NS_APP_EVENT_FLAG_TRUSTED;
 
           parentShell->HandleDOMEventWithTarget(docContent, &event, &status);
         }
@@ -2715,6 +2725,8 @@ nsEventStateManager::GenerateDragDropEnterExit(nsPresContext* aPresContext,
           event.isControl = ((nsMouseEvent*)aEvent)->isControl;
           event.isAlt = ((nsMouseEvent*)aEvent)->isAlt;
           event.isMeta = ((nsMouseEvent*)aEvent)->isMeta;
+          event.internalAppFlags |=
+            aEvent->internalAppFlags & NS_APP_EVENT_FLAG_TRUSTED;
 
           //The frame has change but the content may not have.  Check before dispatching to content
           mLastDragOverFrame->GetContentForEvent(aPresContext, aEvent, getter_AddRefs(lastContent));
@@ -2748,6 +2760,8 @@ nsEventStateManager::GenerateDragDropEnterExit(nsPresContext* aPresContext,
         event.isControl = ((nsMouseEvent*)aEvent)->isControl;
         event.isAlt = ((nsMouseEvent*)aEvent)->isAlt;
         event.isMeta = ((nsMouseEvent*)aEvent)->isMeta;
+        event.internalAppFlags |=
+          aEvent->internalAppFlags & NS_APP_EVENT_FLAG_TRUSTED;
 
         mCurrentTargetContent = targetContent;
         mCurrentRelatedContent = lastContent;
@@ -2789,6 +2803,8 @@ nsEventStateManager::GenerateDragDropEnterExit(nsPresContext* aPresContext,
         event.isControl = ((nsMouseEvent*)aEvent)->isControl;
         event.isAlt = ((nsMouseEvent*)aEvent)->isAlt;
         event.isMeta = ((nsMouseEvent*)aEvent)->isMeta;
+        event.internalAppFlags |=
+          aEvent->internalAppFlags & NS_APP_EVENT_FLAG_TRUSTED;
 
         // dispatch to content via DOM
         nsCOMPtr<nsIContent> lastContent;
@@ -2946,6 +2962,8 @@ nsEventStateManager::CheckForAndDispatchClick(nsPresContext* aPresContext,
         event2.isControl = aEvent->isControl;
         event2.isAlt = aEvent->isAlt;
         event2.isMeta = aEvent->isMeta;
+        event2.internalAppFlags |=
+          aEvent->internalAppFlags & NS_APP_EVENT_FLAG_TRUSTED;
 
         ret = presShell->HandleEventWithTarget(&event2, mCurrentTarget, mouseContent, flags, aStatus);
       }