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