content/browser/plugin_content_origin_whitelist.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 CONTENT_BROWSER_PLUGIN_CONTENT_ORIGIN_WHITELIST_H_
   6 #define CONTENT_BROWSER_PLUGIN_CONTENT_ORIGIN_WHITELIST_H_
   7
   8 #include <set>
   9
  10 #include "content/public/browser/web_contents_observer.h"
  11 #include "url/origin.h"
  12
  13 namespace content {
  14
  15 class WebContents;
  16
  17 // This class manages the tab-wide list of temporarily whitelisted plugin
  18 // content origins that are exempt from power saving.
  19 //
  20 // RenderFrames report content origins that should be whitelisted via IPC.
  21 // This class aggregates those origins and broadcasts the total list to all
  22 // RenderFrames owned by the tab (WebContents). This class also sends these
  23 // origins to any newly created RenderFrames.
  24 //
  25 // Tab-wide whitelists are cleared by top-level navigation. RenderFrames that
  26 // persist across top level navigations are responsible for clearing their own
  27 // whitelists.
  28 class PluginContentOriginWhitelist : public WebContentsObserver {
  29  public:
  30   explicit PluginContentOriginWhitelist(WebContents* web_contents);
  31   ~PluginContentOriginWhitelist() override;
  32
  33  private:
  34   // WebContentsObserver implementation.
  35   void RenderFrameCreated(RenderFrameHost* render_frame_host) override;
  36   bool OnMessageReceived(const IPC::Message& message,
  37                          RenderFrameHost* render_frame_host) override;
  38   void DidNavigateMainFrame(
  39       const LoadCommittedDetails& details,
  40       const FrameNavigateParams& params) override;
  41
  42   void OnPluginContentOriginAllowed(const url::Origin& content_origin);
  43
  44   std::set<url::Origin> whitelist_;
  45
  46   DISALLOW_COPY_AND_ASSIGN(PluginContentOriginWhitelist);
  47 };
  48
  49 }  // namespace content
  50
  51 #endif  // CONTENT_BROWSER_PLUGIN_CONTENT_ORIGIN_WHITELIST_H_