Upstream version 6.35.121.0
[platform/framework/web/crosswalk.git] / src / 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 "chrome/common/content_settings.h"
14 #include "content/public/renderer/render_process_observer.h"
15
16 class ChromeContentRendererClient;
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:
30   explicit ChromeRenderProcessObserver(
31       ChromeContentRendererClient* client);
32   virtual ~ChromeRenderProcessObserver();
33
34   static bool is_incognito_process() { return is_incognito_process_; }
35
36   // Needs to be called by RenderViews in case of navigations to execute
37   // any 'clear cache' commands that were delayed until the next navigation.
38   void ExecutePendingClearCache();
39
40   // Returns a pointer to the content setting rules owned by
41   // |ChromeRenderProcessObserver|.
42   const RendererContentSettingRules* content_setting_rules() const;
43
44  private:
45   // RenderProcessObserver implementation.
46   virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
47   virtual void WebKitInitialized() OVERRIDE;
48   virtual void OnRenderProcessShutdown() 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 OnSetCacheCapacities(size_t min_dead_capacity,
55                             size_t max_dead_capacity,
56                             size_t capacity);
57   // If |on_navigation| is true, the clearing is delayed until the next
58   // navigation event.
59   void OnClearCache(bool on_navigation);
60   void OnGetCacheResourceStats();
61   void OnSetFieldTrialGroup(const std::string& fiel_trial_name,
62                             const std::string& group_name);
63   void OnGetV8HeapStats();
64
65   static bool is_incognito_process_;
66   scoped_ptr<content::ResourceDispatcherDelegate> resource_delegate_;
67   ChromeContentRendererClient* client_;
68   // If true, the web cache shall be cleared before the next navigation event.
69   bool clear_cache_pending_;
70   RendererContentSettingRules content_setting_rules_;
71
72   bool webkit_initialized_;
73   size_t pending_cache_min_dead_capacity_;
74   size_t pending_cache_max_dead_capacity_;
75   size_t pending_cache_capacity_;
76
77   DISALLOW_COPY_AND_ASSIGN(ChromeRenderProcessObserver);
78 };
79
80 #endif  // CHROME_RENDERER_CHROME_RENDER_PROCESS_OBSERVER_H_