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Side by Side Diff: chrome/browser/extensions/extension_process_manager.h

Issue 9600036: Move Render(View|Widget)Host and associated classes to content namespace. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Respond to review comments. Created 8 years, 9 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_PROCESS_MANAGER_H_ 5 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_PROCESS_MANAGER_H_
6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_PROCESS_MANAGER_H_ 6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_PROCESS_MANAGER_H_
7 #pragma once 7 #pragma once
8 8
9 #include <map> 9 #include <map>
10 #include <set> 10 #include <set>
11 #include <string> 11 #include <string>
12 12
13 #include "base/compiler_specific.h" 13 #include "base/compiler_specific.h"
14 #include "base/memory/ref_counted.h" 14 #include "base/memory/ref_counted.h"
15 #include "content/public/common/view_type.h" 15 #include "content/public/common/view_type.h"
16 #include "content/public/browser/notification_observer.h" 16 #include "content/public/browser/notification_observer.h"
17 #include "content/public/browser/notification_registrar.h" 17 #include "content/public/browser/notification_registrar.h"
18 18
19 class Browser; 19 class Browser;
20 class Extension; 20 class Extension;
21 class ExtensionHost; 21 class ExtensionHost;
22 class GURL; 22 class GURL;
23 class Profile; 23 class Profile;
24 class RenderViewHost;
25 24
26 namespace content { 25 namespace content {
26 class RenderViewHost;
27 class SiteInstance; 27 class SiteInstance;
28 }; 28 };
29 29
30 // Manages dynamic state of running Chromium extensions. There is one instance 30 // Manages dynamic state of running Chromium extensions. There is one instance
31 // of this class per Profile. OTR Profiles have a separate instance that keeps 31 // of this class per Profile. OTR Profiles have a separate instance that keeps
32 // track of split-mode extensions only. 32 // track of split-mode extensions only.
33 class ExtensionProcessManager : public content::NotificationObserver { 33 class ExtensionProcessManager : public content::NotificationObserver {
34 public: 34 public:
35 static ExtensionProcessManager* Create(Profile* profile); 35 static ExtensionProcessManager* Create(Profile* profile);
36 virtual ~ExtensionProcessManager(); 36 virtual ~ExtensionProcessManager();
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after
68 // Gets the ExtensionHost for the background page for an extension, or NULL if 68 // Gets the ExtensionHost for the background page for an extension, or NULL if
69 // the extension isn't running or doesn't have a background page. 69 // the extension isn't running or doesn't have a background page.
70 ExtensionHost* GetBackgroundHostForExtension(const std::string& extension_id); 70 ExtensionHost* GetBackgroundHostForExtension(const std::string& extension_id);
71 71
72 // Returns the SiteInstance that the given URL belongs to. 72 // Returns the SiteInstance that the given URL belongs to.
73 // TODO(aa): This only returns correct results for extensions and packaged 73 // TODO(aa): This only returns correct results for extensions and packaged
74 // apps, not hosted apps. 74 // apps, not hosted apps.
75 virtual content::SiteInstance* GetSiteInstanceForURL(const GURL& url); 75 virtual content::SiteInstance* GetSiteInstanceForURL(const GURL& url);
76 76
77 // Registers a RenderViewHost as hosting a given extension. 77 // Registers a RenderViewHost as hosting a given extension.
78 void RegisterRenderViewHost(RenderViewHost* render_view_host, 78 void RegisterRenderViewHost(content::RenderViewHost* render_view_host,
79 const Extension* extension); 79 const Extension* extension);
80 80
81 // Unregisters a RenderViewHost as hosting any extension. 81 // Unregisters a RenderViewHost as hosting any extension.
82 void UnregisterRenderViewHost(RenderViewHost* render_view_host); 82 void UnregisterRenderViewHost(content::RenderViewHost* render_view_host);
83 83
84 // Returns all RenderViewHosts that are registered for the specified 84 // Returns all RenderViewHosts that are registered for the specified
85 // extension. 85 // extension.
86 std::set<RenderViewHost*> GetRenderViewHostsForExtension( 86 std::set<content::RenderViewHost*> GetRenderViewHostsForExtension(
87 const std::string& extension_id); 87 const std::string& extension_id);
88 88
89 // Returns true if |host| is managed by this process manager. 89 // Returns true if |host| is managed by this process manager.
90 bool HasExtensionHost(ExtensionHost* host) const; 90 bool HasExtensionHost(ExtensionHost* host) const;
91 91
92 // Getter and setter for the lazy background page's keepalive count. This is 92 // Getter and setter for the lazy background page's keepalive count. This is
93 // the count of how many outstanding "things" are keeping the page alive. 93 // the count of how many outstanding "things" are keeping the page alive.
94 // When this reaches 0, we will begin the process of shutting down the page. 94 // When this reaches 0, we will begin the process of shutting down the page.
95 // "Things" include pending events, resource loads, and API calls. 95 // "Things" include pending events, resource loads, and API calls.
96 int GetLazyKeepaliveCount(const Extension* extension); 96 int GetLazyKeepaliveCount(const Extension* extension);
97 int IncrementLazyKeepaliveCount(const Extension* extension); 97 int IncrementLazyKeepaliveCount(const Extension* extension);
98 int DecrementLazyKeepaliveCount(const Extension* extension); 98 int DecrementLazyKeepaliveCount(const Extension* extension);
99 99
100 // Handles a response to the ShouldClose message, used for lazy background 100 // Handles a response to the ShouldClose message, used for lazy background
101 // pages. 101 // pages.
102 void OnShouldCloseAck(const std::string& extension_id, int sequence_id); 102 void OnShouldCloseAck(const std::string& extension_id, int sequence_id);
103 103
104 // Tracks network requests for a given RenderViewHost, used to know 104 // Tracks network requests for a given RenderViewHost, used to know
105 // when network activity is idle for lazy background pages. 105 // when network activity is idle for lazy background pages.
106 void OnNetworkRequestStarted(RenderViewHost* render_view_host); 106 void OnNetworkRequestStarted(content::RenderViewHost* render_view_host);
107 void OnNetworkRequestDone(RenderViewHost* render_view_host); 107 void OnNetworkRequestDone(content::RenderViewHost* render_view_host);
108 108
109 typedef std::set<ExtensionHost*> ExtensionHostSet; 109 typedef std::set<ExtensionHost*> ExtensionHostSet;
110 typedef ExtensionHostSet::const_iterator const_iterator; 110 typedef ExtensionHostSet::const_iterator const_iterator;
111 const_iterator begin() const { return all_hosts_.begin(); } 111 const_iterator begin() const { return all_hosts_.begin(); }
112 const_iterator end() const { return all_hosts_.end(); } 112 const_iterator end() const { return all_hosts_.end(); }
113 113
114 protected: 114 protected:
115 explicit ExtensionProcessManager(Profile* profile); 115 explicit ExtensionProcessManager(Profile* profile);
116 116
117 // Called just after |host| is created so it can be registered in our lists. 117 // Called just after |host| is created so it can be registered in our lists.
(...skipping 21 matching lines...) Expand all
139 139
140 // A SiteInstance related to the SiteInstance for all extensions in 140 // A SiteInstance related to the SiteInstance for all extensions in
141 // this profile. We create it in such a way that a new 141 // this profile. We create it in such a way that a new
142 // browsing instance is created. This controls process grouping. 142 // browsing instance is created. This controls process grouping.
143 scoped_refptr<content::SiteInstance> site_instance_; 143 scoped_refptr<content::SiteInstance> site_instance_;
144 144
145 private: 145 private:
146 // Contains all extension-related RenderViewHost instances for all extensions. 146 // Contains all extension-related RenderViewHost instances for all extensions.
147 // We also keep a cache of the host's view type, because that information 147 // We also keep a cache of the host's view type, because that information
148 // is not accessible at registration/deregistration time. 148 // is not accessible at registration/deregistration time.
149 typedef std::map<RenderViewHost*, content::ViewType> ExtensionRenderViews; 149 typedef std::map<content::RenderViewHost*,
150 content::ViewType> ExtensionRenderViews;
150 ExtensionRenderViews all_extension_views_; 151 ExtensionRenderViews all_extension_views_;
151 152
152 // Close the given |host| iff it's a background page. 153 // Close the given |host| iff it's a background page.
153 void CloseBackgroundHost(ExtensionHost* host); 154 void CloseBackgroundHost(ExtensionHost* host);
154 155
155 // These are called when the extension transitions between idle and active. 156 // These are called when the extension transitions between idle and active.
156 // They control the process of closing the background page when idle. 157 // They control the process of closing the background page when idle.
157 void OnLazyBackgroundPageIdle(const std::string& extension_id); 158 void OnLazyBackgroundPageIdle(const std::string& extension_id);
158 void OnLazyBackgroundPageActive(const std::string& extension_id); 159 void OnLazyBackgroundPageActive(const std::string& extension_id);
159 160
160 // Updates a potentially-registered RenderViewHost once it has been 161 // Updates a potentially-registered RenderViewHost once it has been
161 // associated with a WebContents. This allows us to gather information that 162 // associated with a WebContents. This allows us to gather information that
162 // was not available when the host was first registered. 163 // was not available when the host was first registered.
163 void UpdateRegisteredRenderView(RenderViewHost* render_view_host); 164 void UpdateRegisteredRenderView(content::RenderViewHost* render_view_host);
164 165
165 DISALLOW_COPY_AND_ASSIGN(ExtensionProcessManager); 166 DISALLOW_COPY_AND_ASSIGN(ExtensionProcessManager);
166 }; 167 };
167 168
168 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_PROCESS_MANAGER_H_ 169 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_PROCESS_MANAGER_H_
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