Zoom Extension API

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>
 
@@ skipping 87 matching lines @@
   void DispatchSimpleBrowserEvent(Profile* profile,
                                   const int window_id,
                                   const std::string& event_name);
 
   // Packages |changed_properties| as a tab updated event for the tab |contents|
   // and dispatches the event to the extension.
   void DispatchTabUpdatedEvent(
       content::WebContents* contents,
       scoped_ptr<base::DictionaryValue> changed_properties);
 
+  // Dispatches an |onZoomChange| event when the tab |contents| is zoomed.
+  void DispatchTabZoomChangeEvent(content::WebContents* contents,
+                                  double old_zoom_factor,
+                                  double new_zoom_factor,
+                                  base::DictionaryValue* zoom_settings);
+
   // Register ourselves to receive the various notifications we are interested
   // in for a browser.
   void RegisterForBrowserNotifications(Browser* browser);
 
   // Register ourselves to receive the various notifications we are interested
   // in for a tab.
   void RegisterForTabNotifications(content::WebContents* contents);
 
   // Removes notifications added in RegisterForTabNotifications.
   void UnregisterForTabNotifications(content::WebContents* contents);
@@ skipping 44 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_