Zoom Extension API (chrome)

chrome/browser/extensions/api/tabs/tabs_event_router.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_EVENT_ROUTER_H_
 #define CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_EVENT_ROUTER_H_
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/extensions/api/tabs/tabs_api.h"
 #include "chrome/browser/ui/browser_list_observer.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
+#include "chrome/browser/ui/zoom/zoom_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/browser/event_router.h"
 
 namespace content {
 class WebContents;
 }
 
 namespace extensions {
 
 // The TabsEventRouter listens to tab events and routes them to listeners inside
 // extension process renderers.
 // TabsEventRouter will only route events from windows/tabs within a profile to
 // extension processes in the same profile.
 class TabsEventRouter : public TabStripModelObserver,
                         public chrome::BrowserListObserver,
-                        public content::NotificationObserver {
+                        public content::NotificationObserver,
+                        public ZoomObserver {
  public:
   explicit TabsEventRouter(Profile* profile);
   virtual ~TabsEventRouter();
 
   // chrome::BrowserListObserver
   virtual void OnBrowserAdded(Browser* browser) OVERRIDE;
   virtual void OnBrowserRemoved(Browser* browser) OVERRIDE;
   virtual void OnBrowserSetLastActive(Browser* browser) OVERRIDE;
 
   // TabStripModelObserver
@@ skipping 21 matching lines @@
                              content::WebContents* old_contents,
                              content::WebContents* new_contents,
                              int index) OVERRIDE;
   virtual void TabPinnedStateChanged(content::WebContents* contents,
                                      int index) OVERRIDE;
 
   // content::NotificationObserver.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
+
+  // ZoomObserver.
+  virtual void OnZoomChanged(
+      const ZoomController::ZoomChangedEventData& data) OVERRIDE;
+
  private:
   // "Synthetic" event. Called from TabInsertedAt if new tab is detected.
   void TabCreatedAt(content::WebContents* contents, int index, bool active);
 
   // Internal processing of tab updated events. Is called by both TabChangedAt
   // and Observe/NAV_ENTRY_COMMITTED.
   void TabUpdated(content::WebContents* contents, bool did_navigate);
 
   // Triggers a tab updated event if the favicon URL changes.
   void FaviconUrlUpdated(content::WebContents* contents);
@@ skipping 79 matching lines @@
 
   // The main profile that owns this event router.
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(TabsEventRouter);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_EVENT_ROUTER_H_