apps/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 APPS_APP_WEB_CONTENTS_HELPER_H_
   6 #define APPS_APP_WEB_CONTENTS_HELPER_H_
   7
   8 #include "content/public/common/console_message_level.h"
   9 #include "content/public/common/media_stream_request.h"
  10
  11 namespace blink {
  12 class WebGestureEvent;
  13 }
  14
  15 namespace content {
  16 class BrowserContext;
  17 struct OpenURLParams;
  18 class WebContents;
  19 }
  20
  21 namespace extensions {
  22 class Extension;
  23 }
  24
  25 namespace apps {
  26
  27 class AppDelegate;
  28
  29 // Provides common functionality for apps and launcher pages to respond to
  30 // messages from a WebContents.
  31 class AppWebContentsHelper {
  32  public:
  33   AppWebContentsHelper(content::BrowserContext* browser_context,
  34                        const std::string& extension_id,
  35                        content::WebContents* web_contents,
  36                        AppDelegate* app_delegate);
  37
  38   // Returns true if the given |event| should not be handled by the renderer.
  39   static bool ShouldSuppressGestureEvent(const blink::WebGestureEvent& event);
  40
  41   // Opens a new URL inside the passed in WebContents. See WebContentsDelegate.
  42   content::WebContents* OpenURLFromTab(
  43       const content::OpenURLParams& params) const;
  44
  45   // Requests to lock the mouse. See WebContentsDelegate.
  46   void RequestToLockMouse() const;
  47
  48   // Asks permission to use the camera and/or microphone. See
  49   // WebContentsDelegate.
  50   void RequestMediaAccessPermission(
  51       const content::MediaStreamRequest& request,
  52       const content::MediaResponseCallback& callback) const;
  53
  54  private:
  55   const extensions::Extension* GetExtension() const;
  56
  57   // Helper method to add a message to the renderer's DevTools console.
  58   void AddMessageToDevToolsConsole(content::ConsoleMessageLevel level,
  59                                    const std::string& message) const;
  60
  61   // The browser context with which this window is associated.
  62   // AppWindowWebContentsDelegate does not own this object.
  63   content::BrowserContext* browser_context_;
  64
  65   const std::string extension_id_;
  66
  67   content::WebContents* web_contents_;
  68
  69   AppDelegate* app_delegate_;
  70
  71   DISALLOW_COPY_AND_ASSIGN(AppWebContentsHelper);
  72 };
  73
  74 }  // namespace apps
  75
  76 #endif  // APPS_APP_WEB_CONTENTS_HELPER_H_