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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_VIEW_H_
      6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_VIEW_H_
      7 
      8 #include "ui/gfx/native_widget_types.h"
      9 
     10 class Browser;
     11 
     12 namespace content {
     13 struct NativeWebKeyboardEvent;
     14 class WebContents;
     15 }
     16 
     17 namespace gfx {
     18 class Size;
     19 }
     20 
     21 namespace extensions {
     22 
     23 // Base class for platform-specific views used by extensions in the Chrome UI.
     24 class ExtensionView {
     25  public:
     26   virtual ~ExtensionView() {}
     27 
     28   // Initialize the view, once a newly created view has been set in the host.
     29   virtual void Init() = 0;
     30 
     31   // If attached to a Browser (e.g. popups), the Browser it is attached to.
     32   virtual Browser* GetBrowser() = 0;
     33 
     34   // Returns the extension's native view.
     35   virtual gfx::NativeView GetNativeView() = 0;
     36 
     37   // Method for the ExtensionHost to notify us about the correct size for
     38   // extension contents.
     39   virtual void ResizeDueToAutoResize(const gfx::Size& new_size) = 0;
     40 
     41   // Method for the ExtensionHost to notify us when the RenderViewHost has a
     42   // connection.
     43   virtual void RenderViewCreated() = 0;
     44 
     45   // Handles unhandled keyboard messages coming back from the renderer process.
     46   virtual void HandleKeyboardEvent(
     47       content::WebContents* source,
     48       const content::NativeWebKeyboardEvent& event) = 0;
     49 
     50   // Method for the ExtensionHost to notify that the extension page has loaded.
     51   virtual void DidStopLoading() = 0;
     52 };
     53 
     54 }  // namespace extensions
     55 
     56 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_VIEW_H_
     57