extensions/browser/guest_view/web_view/web_view_permission_helper_delegate.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_GUEST_VIEW_WEB_VIEW_WEB_VIWE_PERMISSION_HELPER_DELEGATE_H_
   6 #define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIWE_PERMISSION_HELPER_DELEGATE_H_
   7
   8 #include "content/public/browser/web_contents.h"
   9 #include "content/public/browser/web_contents_observer.h"
  10 #include "content/public/common/media_stream_request.h"
  11 #include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
  12
  13 namespace extensions {
  14
  15 // A delegate class of WebViewPermissionHelper to request permissions that are
  16 // not a part of extensions.
  17 class WebViewPermissionHelperDelegate : public content::WebContentsObserver {
  18  public:
  19   explicit WebViewPermissionHelperDelegate(
  20       WebViewPermissionHelper* web_view_permission_helper);
  21   virtual ~WebViewPermissionHelperDelegate();
  22
  23   virtual void RequestMediaAccessPermission(
  24       content::WebContents* source,
  25       const content::MediaStreamRequest& request,
  26       const content::MediaResponseCallback& callback) {}
  27
  28   virtual void CanDownload(
  29       content::RenderViewHost* render_view_host,
  30       const GURL& url,
  31       const std::string& request_method,
  32       const base::Callback<void(bool)>& callback) {}
  33
  34   virtual void RequestPointerLockPermission(
  35       bool user_gesture,
  36       bool last_unlocked_by_target,
  37       const base::Callback<void(bool)>& callback) {}
  38
  39   // Requests Geolocation Permission from the embedder.
  40   virtual void RequestGeolocationPermission(
  41       int bridge_id,
  42       const GURL& requesting_frame,
  43       bool user_gesture,
  44       const base::Callback<void(bool)>& callback) {}
  45
  46   virtual void CancelGeolocationPermissionRequest(int bridge_id) {}
  47
  48   virtual void RequestFileSystemPermission(
  49       const GURL& url,
  50       bool allowed_by_default,
  51       const base::Callback<void(bool)>& callback) {}
  52
  53   // Called when file system access is requested by the guest content using the
  54   // asynchronous HTML5 file system API. The request is plumbed through the
  55   // <webview> permission request API. The request will be:
  56   // - Allowed if the embedder explicitly allowed it.
  57   // - Denied if the embedder explicitly denied.
  58   // - Determined by the guest's content settings if the embedder does not
  59   // perform an explicit action.
  60   // If access was blocked due to the page's content settings,
  61   // |blocked_by_policy| should be true, and this function should invoke
  62   // OnContentBlocked.
  63   virtual void FileSystemAccessedAsync(
  64       int render_process_id,
  65       int render_frame_id,
  66       int request_id,
  67       const GURL& url,
  68       bool blocked_by_policy) {}
  69
  70   // Called when file system access is requested by the guest content using the
  71   // synchronous HTML5 file system API in a worker thread or shared worker. The
  72   // request is plumbed through the <webview> permission request API. The
  73   // request will be:
  74   // - Allowed if the embedder explicitly allowed it.
  75   // - Denied if the embedder explicitly denied.
  76   // - Determined by the guest's content settings if the embedder does not
  77   // perform an explicit action.
  78   // If access was blocked due to the page's content settings,
  79   // |blocked_by_policy| should be true, and this function should invoke
  80   // OnContentBlocked.
  81   virtual void FileSystemAccessedSync(
  82       int render_process_id,
  83       int render_frame_id,
  84       const GURL& url,
  85       bool blocked_by_policy,
  86       IPC::Message* reply_msg) {}
  87
  88   WebViewPermissionHelper* web_view_permission_helper() const {
  89     return web_view_permission_helper_;
  90   }
  91
  92  private:
  93   WebViewPermissionHelper* const web_view_permission_helper_;
  94
  95   DISALLOW_COPY_AND_ASSIGN(WebViewPermissionHelperDelegate);
  96 };
  97
  98 }  // namespace extensions
  99
 100 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIWE_PERMISSION_HELPER_DELEGATE_H_