Only return the visible page actions from PageActionController.

chrome/browser/extensions/page_action_controller.cc

Index: chrome/browser/extensions/page_action_controller.cc
diff --git a/chrome/browser/extensions/page_action_controller.cc b/chrome/browser/extensions/page_action_controller.cc
index c21b768e8a3463c95e091e98304415fc4d790b8e..ed3c8e67d540433c0a7839cbdc61be834f255d65 100644
--- a/chrome/browser/extensions/page_action_controller.cc
+++ b/chrome/browser/extensions/page_action_controller.cc
@@ -8,33 +8,39 @@
 #include "chrome/browser/extensions/extension_browser_event_router.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
+#include "chrome/browser/extensions/extension_tab_helper.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/common/extensions/extension_set.h"
+#include "chrome/common/chrome_notification_types.h"
+#include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_contents.h"
 
 namespace extensions {
 
-PageActionController::PageActionController(TabContentsWrapper* tab_contents)
-    : tab_contents_(tab_contents) {}
+PageActionController::PageActionController(TabContentsWrapper* tab_contents,
+                                           ExtensionTabHelper* tab_helper)
+    : tab_contents_(tab_contents),
+      tab_helper_(tab_helper) {
+  tab_helper->AddObserver(this);
+}
 
-PageActionController::~PageActionController() {}
+PageActionController::~PageActionController() {
+  tab_helper_->RemoveObserver(this);
+}
 
-scoped_ptr<ActionBoxController::DataList>
-PageActionController::GetAllBadgeData() {
+scoped_ptr<std::vector<ExtensionAction*> >
+PageActionController::GetCurrentActions() {
+  int tab_id = ExtensionTabUtil::GetTabId(tab_contents_->web_contents());
   const ExtensionSet* extensions = GetExtensionService()->extensions();
-  scoped_ptr<DataList> all_badge_data(new DataList());
+  scoped_ptr<std::vector<ExtensionAction*> > current_actions(
+      new std::vector<ExtensionAction*>());
   for (ExtensionSet::const_iterator i = extensions->begin();
        i != extensions->end(); ++i) {
     ExtensionAction* action = (*i)->page_action();
-    if (action) {
-      Data data = {
-        DECORATION_NONE,
-        action,
-      };
-      all_badge_data->push_back(data);
-    }
+    if (action && action->GetIsVisible(tab_id))
+      current_actions->push_back(action);
   }
-  return all_badge_data.Pass();
+  return current_actions.Pass();
 }
 
 ActionBoxController::Action PageActionController::OnClicked(
@@ -69,6 +75,25 @@ ActionBoxController::Action PageActionController::OnClicked(
   return ACTION_NONE;
 }
 
+void PageActionController::OnPageActionStateChanged() {
+  content::NotificationService::current()->Notify(
+      chrome::NOTIFICATION_EXTENSION_ACTION_BOX_UPDATED,
+      content::Source<Profile>(tab_contents_->profile()),
+      content::Details<TabContentsWrapper>(tab_contents_));
+
+  // TODO(kalman): remove this, and all occurrences of
+  // NOTIFICATION_EXTENSION_PAGE_ACTION_VISIBILITY_CHANGED, when views and
+  // cocoa have been updated to not use it.
+  //
+  // Only tests care about them, and they only ever use AllSources, so it can
+  // safely be a bogus value.
+  ExtensionAction bogus_action("");
+  content::NotificationService::current()->Notify(
+      chrome::NOTIFICATION_EXTENSION_PAGE_ACTION_VISIBILITY_CHANGED,
+      content::Source<ExtensionAction>(&bogus_action),
+      content::Details<content::WebContents>(tab_contents_->web_contents()));
+}
+
 ExtensionService* PageActionController::GetExtensionService() {
   return ExtensionSystem::Get(tab_contents_->profile())->extension_service();
 }