chrome/renderer/chrome_render_process_observer.h

   1 // Copyright (c) 2012 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 CHROME_RENDERER_CHROME_RENDER_PROCESS_OBSERVER_H_
   6 #define CHROME_RENDERER_CHROME_RENDER_PROCESS_OBSERVER_H_
   7
   8 #include <string>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/files/file_path.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/metrics/field_trial.h"
  14 #include "components/content_settings/core/common/content_settings.h"
  15 #include "content/public/renderer/render_process_observer.h"
  16
  17 class GURL;
  18 struct ContentSettings;
  19
  20 namespace content {
  21 class ResourceDispatcherDelegate;
  22 }
  23
  24 // This class filters the incoming control messages (i.e. ones not destined for
  25 // a RenderView) for Chrome specific messages that the content layer doesn't
  26 // happen.  If a few messages are related, they should probably have their own
  27 // observer.
  28 class ChromeRenderProcessObserver : public content::RenderProcessObserver,
  29                                     public base::FieldTrialList::Observer {
  30  public:
  31   ChromeRenderProcessObserver();
  32   ~ChromeRenderProcessObserver() override;
  33
  34   static bool is_incognito_process() { return is_incognito_process_; }
  35
  36   // Returns a pointer to the content setting rules owned by
  37   // |ChromeRenderProcessObserver|.
  38   const RendererContentSettingRules* content_setting_rules() const;
  39
  40  private:
  41   // RenderProcessObserver implementation.
  42   bool OnControlMessageReceived(const IPC::Message& message) override;
  43   void WebKitInitialized() override;
  44   void OnRenderProcessShutdown() override;
  45
  46   // Observer implementation.
  47   void OnFieldTrialGroupFinalized(const std::string& trial_name,
  48                                   const std::string& group_name) override;
  49
  50   void OnSetIsIncognitoProcess(bool is_incognito_process);
  51   void OnSetContentSettingsForCurrentURL(
  52       const GURL& url, const ContentSettings& content_settings);
  53   void OnSetContentSettingRules(const RendererContentSettingRules& rules);
  54   void OnGetCacheResourceStats();
  55   void OnSetFieldTrialGroup(const std::string& fiel_trial_name,
  56                             const std::string& group_name);
  57   void OnGetV8HeapStats();
  58
  59   static bool is_incognito_process_;
  60   scoped_ptr<content::ResourceDispatcherDelegate> resource_delegate_;
  61   RendererContentSettingRules content_setting_rules_;
  62
  63   bool webkit_initialized_;
  64
  65   DISALLOW_COPY_AND_ASSIGN(ChromeRenderProcessObserver);
  66 };
  67
  68 #endif  // CHROME_RENDERER_CHROME_RENDER_PROCESS_OBSERVER_H_