extensions/browser/app_window/app_web_contents_helper.h

   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 EXTENSIONS_BROWSER_APP_WINDOW_APP_WEB_CONTENTS_HELPER_H_
   6 #define EXTENSIONS_BROWSER_APP_WINDOW_APP_WEB_CONTENTS_HELPER_H_
   7
   8 #include "content/public/common/media_stream_request.h"
   9
  10 namespace blink {
  11 class WebGestureEvent;
  12 }
  13
  14 namespace content {
  15 class BrowserContext;
  16 struct OpenURLParams;
  17 class WebContents;
  18 }
  19
  20 namespace extensions {
  21
  22 class AppDelegate;
  23 class Extension;
  24
  25 // Provides common functionality for apps and launcher pages to respond to
  26 // messages from a WebContents.
  27 class AppWebContentsHelper {
  28  public:
  29   AppWebContentsHelper(content::BrowserContext* browser_context,
  30                        const std::string& extension_id,
  31                        content::WebContents* web_contents,
  32                        AppDelegate* app_delegate);
  33
  34   // Returns true if the given |event| should not be handled by the renderer.
  35   static bool ShouldSuppressGestureEvent(const blink::WebGestureEvent& event);
  36
  37   // Opens a new URL inside the passed in WebContents. See WebContentsDelegate.
  38   content::WebContents* OpenURLFromTab(
  39       const content::OpenURLParams& params) const;
  40
  41   // Requests to lock the mouse. See WebContentsDelegate.
  42   void RequestToLockMouse() const;
  43
  44   // Asks permission to use the camera and/or microphone. See
  45   // WebContentsDelegate.
  46   void RequestMediaAccessPermission(
  47       const content::MediaStreamRequest& request,
  48       const content::MediaResponseCallback& callback) const;
  49
  50   // Checks permission to use the camera or microphone. See
  51   // WebContentsDelegate.
  52   bool CheckMediaAccessPermission(const GURL& security_origin,
  53                                   content::MediaStreamType type) const;
  54
  55  private:
  56   const Extension* GetExtension() const;
  57
  58   // The browser context with which this window is associated.
  59   // AppWindowWebContentsDelegate does not own this object.
  60   content::BrowserContext* browser_context_;
  61
  62   const std::string extension_id_;
  63
  64   content::WebContents* web_contents_;
  65
  66   AppDelegate* app_delegate_;
  67
  68   DISALLOW_COPY_AND_ASSIGN(AppWebContentsHelper);
  69 };
  70
  71 }  // namespace extensions
  72
  73 #endif  // EXTENSIONS_BROWSER_APP_WINDOW_APP_WEB_CONTENTS_HELPER_H_