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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 CONTENT_BROWSER_PPAPI_PLUGIN_PROCESS_HOST_H_ | 5 #ifndef CONTENT_BROWSER_PPAPI_PLUGIN_PROCESS_HOST_H_ |
6 #define CONTENT_BROWSER_PPAPI_PLUGIN_PROCESS_HOST_H_ | 6 #define CONTENT_BROWSER_PPAPI_PLUGIN_PROCESS_HOST_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <queue> | 9 #include <queue> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/file_path.h" | 12 #include "base/file_path.h" |
13 #include "base/memory/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
14 #include "base/memory/scoped_ptr.h" | 14 #include "base/memory/scoped_ptr.h" |
15 #include "content/browser/renderer_host/pepper/browser_ppapi_host_impl.h" | 15 #include "content/browser/renderer_host/pepper/browser_ppapi_host_impl.h" |
16 #include "content/browser/renderer_host/pepper/pepper_file_message_filter.h" | 16 #include "content/browser/renderer_host/pepper/pepper_file_message_filter.h" |
17 #include "content/browser/renderer_host/pepper/pepper_message_filter.h" | 17 #include "content/browser/renderer_host/pepper/pepper_message_filter.h" |
18 #include "content/public/browser/browser_child_process_host_delegate.h" | 18 #include "content/public/browser/browser_child_process_host_delegate.h" |
19 #include "content/public/browser/browser_child_process_host_iterator.h" | 19 #include "content/public/browser/browser_child_process_host_iterator.h" |
20 #include "ipc/ipc_sender.h" | 20 #include "ipc/ipc_sender.h" |
21 #include "ppapi/shared_impl/ppapi_permissions.h" | 21 #include "ppapi/shared_impl/ppapi_permissions.h" |
22 | 22 |
23 class BrowserChildProcessHostImpl; | |
24 | |
25 namespace content { | |
26 struct PepperPluginInfo; | |
27 class ResourceContext; | |
28 } | |
29 | |
30 namespace net { | 23 namespace net { |
31 class HostResolver; | 24 class HostResolver; |
32 } | 25 } |
33 | 26 |
| 27 namespace content { |
| 28 class BrowserChildProcessHostImpl; |
| 29 class ResourceContext; |
| 30 struct PepperPluginInfo; |
| 31 |
34 // Process host for PPAPI plugin and broker processes. | 32 // Process host for PPAPI plugin and broker processes. |
35 // When used for the broker, interpret all references to "plugin" with "broker". | 33 // When used for the broker, interpret all references to "plugin" with "broker". |
36 class PpapiPluginProcessHost : public content::BrowserChildProcessHostDelegate, | 34 class PpapiPluginProcessHost : public BrowserChildProcessHostDelegate, |
37 public IPC::Sender { | 35 public IPC::Sender { |
38 public: | 36 public: |
39 class Client { | 37 class Client { |
40 public: | 38 public: |
41 // Gets the information about the renderer that's requesting the channel. | 39 // Gets the information about the renderer that's requesting the channel. |
42 virtual void GetPpapiChannelInfo(base::ProcessHandle* renderer_handle, | 40 virtual void GetPpapiChannelInfo(base::ProcessHandle* renderer_handle, |
43 int* renderer_id) = 0; | 41 int* renderer_id) = 0; |
44 | 42 |
45 // Called when the channel is asynchronously opened to the plugin or on | 43 // Called when the channel is asynchronously opened to the plugin or on |
46 // error. On error, the parameters should be: | 44 // error. On error, the parameters should be: |
47 // base::kNullProcessHandle | 45 // base::kNullProcessHandle |
48 // IPC::ChannelHandle(), | 46 // IPC::ChannelHandle(), |
49 // 0 | 47 // 0 |
50 virtual void OnPpapiChannelOpened( | 48 virtual void OnPpapiChannelOpened( |
51 const IPC::ChannelHandle& channel_handle, | 49 const IPC::ChannelHandle& channel_handle, |
52 int plugin_child_id) = 0; | 50 int plugin_child_id) = 0; |
53 | 51 |
54 // Returns true if the current connection is off-the-record. | 52 // Returns true if the current connection is off-the-record. |
55 virtual bool OffTheRecord() = 0; | 53 virtual bool OffTheRecord() = 0; |
56 | 54 |
57 protected: | 55 protected: |
58 virtual ~Client() {} | 56 virtual ~Client() {} |
59 }; | 57 }; |
60 | 58 |
61 class PluginClient : public Client { | 59 class PluginClient : public Client { |
62 public: | 60 public: |
63 // Returns the resource context for the renderer requesting the channel. | 61 // Returns the resource context for the renderer requesting the channel. |
64 virtual content::ResourceContext* GetResourceContext() = 0; | 62 virtual ResourceContext* GetResourceContext() = 0; |
65 | 63 |
66 protected: | 64 protected: |
67 virtual ~PluginClient() {} | 65 virtual ~PluginClient() {} |
68 }; | 66 }; |
69 | 67 |
70 class BrokerClient : public Client { | 68 class BrokerClient : public Client { |
71 protected: | 69 protected: |
72 virtual ~BrokerClient() {} | 70 virtual ~BrokerClient() {} |
73 }; | 71 }; |
74 | 72 |
75 virtual ~PpapiPluginProcessHost(); | 73 virtual ~PpapiPluginProcessHost(); |
76 | 74 |
77 static PpapiPluginProcessHost* CreatePluginHost( | 75 static PpapiPluginProcessHost* CreatePluginHost( |
78 const content::PepperPluginInfo& info, | 76 const PepperPluginInfo& info, |
79 const FilePath& profile_data_directory, | 77 const FilePath& profile_data_directory, |
80 net::HostResolver* host_resolver); | 78 net::HostResolver* host_resolver); |
81 static PpapiPluginProcessHost* CreateBrokerHost( | 79 static PpapiPluginProcessHost* CreateBrokerHost( |
82 const content::PepperPluginInfo& info); | 80 const PepperPluginInfo& info); |
83 | 81 |
84 // Notification that a PP_Instance has been created for the given | 82 // Notification that a PP_Instance has been created for the given |
85 // RenderView/Process pair for the given plugin. This is necessary so that | 83 // RenderView/Process pair for the given plugin. This is necessary so that |
86 // when the plugin calls us with a PP_Instance we can find the RenderView | 84 // when the plugin calls us with a PP_Instance we can find the RenderView |
87 // associated with it without trusting the plugin. | 85 // associated with it without trusting the plugin. |
88 static void DidCreateOutOfProcessInstance(int plugin_process_id, | 86 static void DidCreateOutOfProcessInstance(int plugin_process_id, |
89 int32 pp_instance, | 87 int32 pp_instance, |
90 int render_process_id, | 88 int render_process_id, |
91 int render_view_id); | 89 int render_view_id); |
92 | 90 |
(...skipping 13 matching lines...) Expand all Loading... |
106 return profile_data_directory_; | 104 return profile_data_directory_; |
107 } | 105 } |
108 | 106 |
109 // The client pointer must remain valid until its callback is issued. | 107 // The client pointer must remain valid until its callback is issued. |
110 | 108 |
111 private: | 109 private: |
112 class PluginNetworkObserver; | 110 class PluginNetworkObserver; |
113 | 111 |
114 // Constructors for plugin and broker process hosts, respectively. | 112 // Constructors for plugin and broker process hosts, respectively. |
115 // You must call Init before doing anything else. | 113 // You must call Init before doing anything else. |
116 PpapiPluginProcessHost(const content::PepperPluginInfo& info, | 114 PpapiPluginProcessHost(const PepperPluginInfo& info, |
117 const FilePath& profile_data_directory, | 115 const FilePath& profile_data_directory, |
118 net::HostResolver* host_resolver); | 116 net::HostResolver* host_resolver); |
119 PpapiPluginProcessHost(); | 117 PpapiPluginProcessHost(); |
120 | 118 |
121 // Actually launches the process with the given plugin info. Returns true | 119 // Actually launches the process with the given plugin info. Returns true |
122 // on success (the process was spawned). | 120 // on success (the process was spawned). |
123 bool Init(const content::PepperPluginInfo& info); | 121 bool Init(const PepperPluginInfo& info); |
124 | 122 |
125 void RequestPluginChannel(Client* client); | 123 void RequestPluginChannel(Client* client); |
126 | 124 |
127 virtual void OnProcessLaunched() OVERRIDE; | 125 virtual void OnProcessLaunched() OVERRIDE; |
128 | 126 |
129 virtual void OnProcessCrashed(int exit_code) OVERRIDE; | 127 virtual void OnProcessCrashed(int exit_code) OVERRIDE; |
130 virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE; | 128 virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE; |
131 virtual void OnChannelConnected(int32 peer_pid) OVERRIDE; | 129 virtual void OnChannelConnected(int32 peer_pid) OVERRIDE; |
132 virtual void OnChannelError() OVERRIDE; | 130 virtual void OnChannelError() OVERRIDE; |
133 | 131 |
134 void CancelRequests(); | 132 void CancelRequests(); |
135 | 133 |
136 // IPC message handlers. | 134 // IPC message handlers. |
137 void OnRendererPluginChannelCreated(const IPC::ChannelHandle& handle); | 135 void OnRendererPluginChannelCreated(const IPC::ChannelHandle& handle); |
138 | 136 |
139 // Handles most requests from the plugin. May be NULL. | 137 // Handles most requests from the plugin. May be NULL. |
140 scoped_refptr<PepperMessageFilter> filter_; | 138 scoped_refptr<PepperMessageFilter> filter_; |
141 | 139 |
142 ppapi::PpapiPermissions permissions_; | 140 ppapi::PpapiPermissions permissions_; |
143 scoped_refptr<content::BrowserPpapiHostImpl> host_impl_; | 141 scoped_refptr<BrowserPpapiHostImpl> host_impl_; |
144 | 142 |
145 // Handles filesystem requests from flash plugins. May be NULL. | 143 // Handles filesystem requests from flash plugins. May be NULL. |
146 scoped_refptr<PepperFileMessageFilter> file_filter_; | 144 scoped_refptr<PepperFileMessageFilter> file_filter_; |
147 | 145 |
148 // Observes network changes. May be NULL. | 146 // Observes network changes. May be NULL. |
149 scoped_ptr<PluginNetworkObserver> network_observer_; | 147 scoped_ptr<PluginNetworkObserver> network_observer_; |
150 | 148 |
151 // Channel requests that we are waiting to send to the plugin process once | 149 // Channel requests that we are waiting to send to the plugin process once |
152 // the channel is opened. | 150 // the channel is opened. |
153 std::vector<Client*> pending_requests_; | 151 std::vector<Client*> pending_requests_; |
154 | 152 |
155 // Channel requests that we have already sent to the plugin process, but | 153 // Channel requests that we have already sent to the plugin process, but |
156 // haven't heard back about yet. | 154 // haven't heard back about yet. |
157 std::queue<Client*> sent_requests_; | 155 std::queue<Client*> sent_requests_; |
158 | 156 |
159 // Path to the plugin library. | 157 // Path to the plugin library. |
160 FilePath plugin_path_; | 158 FilePath plugin_path_; |
161 | 159 |
162 // Path to the top-level plugin data directory (differs based upon profile). | 160 // Path to the top-level plugin data directory (differs based upon profile). |
163 FilePath profile_data_directory_; | 161 FilePath profile_data_directory_; |
164 | 162 |
165 const bool is_broker_; | 163 const bool is_broker_; |
166 | 164 |
167 scoped_ptr<BrowserChildProcessHostImpl> process_; | 165 scoped_ptr<BrowserChildProcessHostImpl> process_; |
168 | 166 |
169 DISALLOW_COPY_AND_ASSIGN(PpapiPluginProcessHost); | 167 DISALLOW_COPY_AND_ASSIGN(PpapiPluginProcessHost); |
170 }; | 168 }; |
171 | 169 |
172 class PpapiPluginProcessHostIterator | 170 class PpapiPluginProcessHostIterator |
173 : public content::BrowserChildProcessHostTypeIterator< | 171 : public BrowserChildProcessHostTypeIterator< |
174 PpapiPluginProcessHost> { | 172 PpapiPluginProcessHost> { |
175 public: | 173 public: |
176 PpapiPluginProcessHostIterator() | 174 PpapiPluginProcessHostIterator() |
177 : content::BrowserChildProcessHostTypeIterator< | 175 : BrowserChildProcessHostTypeIterator< |
178 PpapiPluginProcessHost>(content::PROCESS_TYPE_PPAPI_PLUGIN) {} | 176 PpapiPluginProcessHost>(PROCESS_TYPE_PPAPI_PLUGIN) {} |
179 }; | 177 }; |
180 | 178 |
181 class PpapiBrokerProcessHostIterator | 179 class PpapiBrokerProcessHostIterator |
182 : public content::BrowserChildProcessHostTypeIterator< | 180 : public BrowserChildProcessHostTypeIterator< |
183 PpapiPluginProcessHost> { | 181 PpapiPluginProcessHost> { |
184 public: | 182 public: |
185 PpapiBrokerProcessHostIterator() | 183 PpapiBrokerProcessHostIterator() |
186 : content::BrowserChildProcessHostTypeIterator< | 184 : BrowserChildProcessHostTypeIterator< |
187 PpapiPluginProcessHost>(content::PROCESS_TYPE_PPAPI_BROKER) {} | 185 PpapiPluginProcessHost>(PROCESS_TYPE_PPAPI_BROKER) {} |
188 }; | 186 }; |
189 | 187 |
| 188 } // namespace content |
| 189 |
190 #endif // CONTENT_BROWSER_PPAPI_PLUGIN_PROCESS_HOST_H_ | 190 #endif // CONTENT_BROWSER_PPAPI_PLUGIN_PROCESS_HOST_H_ |
191 | 191 |
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