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/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
  23 class AppDelegate;
  24 class Extension;
  25
  26 // Provides common functionality for apps and launcher pages to respond to
  27 // messages from a WebContents.
  28 class AppWebContentsHelper {
  29  public:
  30   AppWebContentsHelper(content::BrowserContext* browser_context,
  31                        const std::string& extension_id,
  32                        content::WebContents* web_contents,
  33                        AppDelegate* app_delegate);
  34
  35   // Returns true if the given |event| should not be handled by the renderer.
  36   static bool ShouldSuppressGestureEvent(const blink::WebGestureEvent& event);
  37
  38   // Opens a new URL inside the passed in WebContents. See WebContentsDelegate.
  39   content::WebContents* OpenURLFromTab(
  40       const content::OpenURLParams& params) const;
  41
  42   // Requests to lock the mouse. See WebContentsDelegate.
  43   void RequestToLockMouse() const;
  44
  45   // Asks permission to use the camera and/or microphone. See
  46   // WebContentsDelegate.
  47   void RequestMediaAccessPermission(
  48       const content::MediaStreamRequest& request,
  49       const content::MediaResponseCallback& callback) const;
  50
  51   // Checks permission to use the camera or microphone. See
  52   // WebContentsDelegate.
  53   bool CheckMediaAccessPermission(const GURL& security_origin,
  54                                   content::MediaStreamType type) const;
  55
  56  private:
  57   const Extension* GetExtension() const;
  58
  59   // Helper method to add a message to the renderer's DevTools console.
  60   void AddMessageToDevToolsConsole(content::ConsoleMessageLevel level,
  61                                    const std::string& message) const;
  62
  63   // The browser context with which this window is associated.
  64   // AppWindowWebContentsDelegate does not own this object.
  65   content::BrowserContext* browser_context_;
  66
  67   const std::string extension_id_;
  68
  69   content::WebContents* web_contents_;
  70
  71   AppDelegate* app_delegate_;
  72
  73   DISALLOW_COPY_AND_ASSIGN(AppWebContentsHelper);
  74 };
  75
  76 }  // namespace extensions
  77
  78 #endif  // EXTENSIONS_BROWSER_APP_WINDOW_APP_WEB_CONTENTS_HELPER_H_