Bug 1089861 - Don't dispatch activate/deactivate to content window objects., r=masayuki

--HG--
extra : rebase_source : 0a6ba0807afeffdbf15176bb2230293881103314

browser/base/content/test/general/browser_windowactivation.js

@@ -84,6 +84,14 @@ function test() {
     }
   });
 
+  window.messageManager.addMessageListener("Test:ActivateEvent", function(message) {
+    ok(message.data.ok, "Test:ActivateEvent");
+  });
+
+  window.messageManager.addMessageListener("Test:DeactivateEvent", function(message) {
+    ok(message.data.ok, "Test:DeactivateEvent");
+  });
+
   browser1.addEventListener("load", check, true);
   browser2.addEventListener("load", check, true);
   browser1.contentWindow.location = testPage;
@@ -132,6 +140,25 @@ function childFunction()
     sendAsyncMessage("Test:FocusReceived", { });
   }, false);
 
+  var windowGotActivate = false;
+  var windowGotDeactivate = false;
+  addEventListener("activate", function() {
+      sendAsyncMessage("Test:ActivateEvent", { ok: !windowGotActivate });
+      windowGotActivate = false;
+    });
+  
+  addEventListener("deactivate", function() {
+      sendAsyncMessage("Test:DeactivateEvent", { ok: !windowGotDeactivate });
+      windowGotDeactivate = false;
+    });
+  content.addEventListener("activate", function() {
+      windowGotActivate = true;;
+    });
+  
+  content.addEventListener("deactivate", function() {
+      windowGotDeactivate = true;
+    });
+
   content.setInterval(function () {
     if (!expectingResponse) {
       return;

dom/base/nsContentUtils.cpp

@@ -3620,7 +3620,8 @@ nsresult
 nsContentUtils::DispatchEvent(nsIDocument* aDoc, nsISupports* aTarget,
                               const nsAString& aEventName,
                               bool aCanBubble, bool aCancelable,
-                              bool aTrusted, bool *aDefaultAction)
+                              bool aTrusted, bool *aDefaultAction,
+                              bool aOnlyChromeDispatch)
 {
   nsCOMPtr<nsIDOMEvent> event;
   nsCOMPtr<EventTarget> target;
@@ -3628,6 +3629,7 @@ nsContentUtils::DispatchEvent(nsIDocument* aDoc, nsISupports* aTarget,
                                   aCancelable, aTrusted, getter_AddRefs(event),
                                   getter_AddRefs(target));
   NS_ENSURE_SUCCESS(rv, rv);
+  event->GetInternalNSEvent()->mFlags.mOnlyChromeDispatch = aOnlyChromeDispatch;
 
   bool dummy;
   return target->DispatchEvent(event, aDefaultAction ? aDefaultAction : &dummy);
@@ -3664,6 +3666,17 @@ nsContentUtils::DispatchChromeEvent(nsIDocument *aDoc,
   return rv;
 }
 
+nsresult
+nsContentUtils::DispatchEventOnlyToChrome(nsIDocument* aDoc,
+                                          nsISupports* aTarget,
+                                          const nsAString& aEventName,
+                                          bool aCanBubble, bool aCancelable,
+                                          bool* aDefaultAction)
+{
+  return DispatchEvent(aDoc, aTarget, aEventName, aCanBubble, aCancelable,
+                       true, aDefaultAction, true);
+}
+
 /* static */
 Element*
 nsContentUtils::MatchElementId(nsIContent *aContent, const nsIAtom* aId)

dom/base/nsContentUtils.h

@@ -987,7 +987,10 @@ public:
 
   /**
    * This method creates and dispatches a trusted event to the chrome
-   * event handler.
+   * event handler (the parent object of the DOM Window in the event target
+   * chain). Note, chrome event handler is used even if aTarget is a chrome
+   * object. Use DispatchEventOnlyToChrome if the normal event dispatching is
+   * wanted in case aTarget is a chrome object.
    * Works only with events which can be created by calling
    * nsIDOMDocument::CreateEvent() with parameter "Events".
    * @param aDocument      The document which will be used to create the event,
@@ -1007,6 +1010,32 @@ public:
                                       bool aCancelable,
                                       bool *aDefaultAction = nullptr);
 
+
+  /**
+   * This method creates and dispatches a trusted event.
+   * If aTarget is not a chrome object, the nearest chrome object in the
+   * propagation path will be used as the start of the event target chain.
+   * This method is different than DispatchChromeEvent, which always dispatches
+   * events to chrome event handler. DispatchEventOnlyToChrome works like
+   * DispatchTrustedEvent in the case aTarget is a chrome object.
+   * Works only with events which can be created by calling
+   * nsIDOMDocument::CreateEvent() with parameter "Events".
+   * @param aDoc           The document which will be used to create the event.
+   * @param aTarget        The target of the event, should be QIable to
+   *                       nsIDOMEventTarget.
+   * @param aEventName     The name of the event.
+   * @param aCanBubble     Whether the event can bubble.
+   * @param aCancelable    Is the event cancelable.
+   * @param aDefaultAction Set to true if default action should be taken,
+   *                       see nsIDOMEventTarget::DispatchEvent.
+   */
+  static nsresult DispatchEventOnlyToChrome(nsIDocument* aDoc,
+                                            nsISupports* aTarget,
+                                            const nsAString& aEventName,
+                                            bool aCanBubble,
+                                            bool aCancelable,
+                                            bool *aDefaultAction = nullptr);
+
   /**
    * Determines if an event attribute name (such as onclick) is valid for
    * a given element type. Types are from the EventNameType enumeration
@@ -2253,7 +2282,8 @@ private:
                                 bool aCanBubble,
                                 bool aCancelable,
                                 bool aTrusted,
-                                bool *aDefaultAction = nullptr);
+                                bool *aDefaultAction = nullptr,
+                                bool aOnlyChromeDispatch = false);
 
   static void InitializeModifierStrings();
 

dom/base/nsFocusManager.cpp

@@ -1145,9 +1145,10 @@ nsFocusManager::ActivateOrDeactivate(nsPIDOMWindow* aWindow, bool aActive)
   aWindow->ActivateOrDeactivate(aActive);
 
   // Send the activate event.
-  nsContentUtils::DispatchTrustedEvent(aWindow->GetExtantDoc(),
+  nsContentUtils::DispatchEventOnlyToChrome(aWindow->GetExtantDoc(),
                                             aWindow,
-                                       aActive ? NS_LITERAL_STRING("activate") :
+                                            aActive ?
+                                              NS_LITERAL_STRING("activate") :
                                               NS_LITERAL_STRING("deactivate"),
                                             true, true, nullptr);