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   ~WebViewPermissionHelperDelegate() override;
  22
  23   virtual void CanDownload(
  24       const GURL& url,
  25       const std::string& request_method,
  26       const base::Callback<void(bool)>& callback) {}
  27
  28   virtual void RequestPointerLockPermission(
  29       bool user_gesture,
  30       bool last_unlocked_by_target,
  31       const base::Callback<void(bool)>& callback) {}
  32
  33   // Requests Geolocation Permission from the embedder.
  34   virtual void RequestGeolocationPermission(
  35       int bridge_id,
  36       const GURL& requesting_frame,
  37       bool user_gesture,
  38       const base::Callback<void(bool)>& callback) {}
  39
  40   virtual void CancelGeolocationPermissionRequest(int bridge_id) {}
  41
  42   virtual void RequestFileSystemPermission(
  43       const GURL& url,
  44       bool allowed_by_default,
  45       const base::Callback<void(bool)>& callback) {}
  46
  47   // Called when file system access is requested by the guest content using the
  48   // asynchronous HTML5 file system API. The request is plumbed through the
  49   // <webview> permission request API. The request will be:
  50   // - Allowed if the embedder explicitly allowed it.
  51   // - Denied if the embedder explicitly denied.
  52   // - Determined by the guest's content settings if the embedder does not
  53   // perform an explicit action.
  54   // If access was blocked due to the page's content settings,
  55   // |blocked_by_policy| should be true, and this function should invoke
  56   // OnContentBlocked.
  57   virtual void FileSystemAccessedAsync(
  58       int render_process_id,
  59       int render_frame_id,
  60       int request_id,
  61       const GURL& url,
  62       bool blocked_by_policy) {}
  63
  64   // Called when file system access is requested by the guest content using the
  65   // synchronous HTML5 file system API in a worker thread or shared worker. The
  66   // request is plumbed through the <webview> permission request API. The
  67   // request will be:
  68   // - Allowed if the embedder explicitly allowed it.
  69   // - Denied if the embedder explicitly denied.
  70   // - Determined by the guest's content settings if the embedder does not
  71   // perform an explicit action.
  72   // If access was blocked due to the page's content settings,
  73   // |blocked_by_policy| should be true, and this function should invoke
  74   // OnContentBlocked.
  75   virtual void FileSystemAccessedSync(
  76       int render_process_id,
  77       int render_frame_id,
  78       const GURL& url,
  79       bool blocked_by_policy,
  80       IPC::Message* reply_msg) {}
  81
  82   WebViewPermissionHelper* web_view_permission_helper() const {
  83     return web_view_permission_helper_;
  84   }
  85
  86  private:
  87   WebViewPermissionHelper* const web_view_permission_helper_;
  88
  89   DISALLOW_COPY_AND_ASSIGN(WebViewPermissionHelperDelegate);
  90 };
  91
  92 }  // namespace extensions
  93
  94 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIWE_PERMISSION_HELPER_DELEGATE_H_