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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_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_ |
6 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
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73 #endif | 73 #endif |
74 class PermissionServiceContext; | 74 class PermissionServiceContext; |
75 class PeerConnectionTrackerHost; | 75 class PeerConnectionTrackerHost; |
76 class PushMessagingManager; | 76 class PushMessagingManager; |
77 class RenderFrameMessageFilter; | 77 class RenderFrameMessageFilter; |
78 class RenderProcessHostFactory; | 78 class RenderProcessHostFactory; |
79 class RenderWidgetHelper; | 79 class RenderWidgetHelper; |
80 class RenderWidgetHost; | 80 class RenderWidgetHost; |
81 class RenderWidgetHostImpl; | 81 class RenderWidgetHostImpl; |
82 class ResourceMessageFilter; | 82 class ResourceMessageFilter; |
| 83 class SiteInstance; |
83 class SiteInstanceImpl; | 84 class SiteInstanceImpl; |
84 class StoragePartition; | 85 class StoragePartition; |
85 class StoragePartitionImpl; | 86 class StoragePartitionImpl; |
86 | 87 |
87 typedef base::Thread* (*RendererMainThreadFactoryFunction)( | 88 typedef base::Thread* (*RendererMainThreadFactoryFunction)( |
88 const InProcessChildThreadParams& params); | 89 const InProcessChildThreadParams& params); |
89 | 90 |
90 // Implements a concrete RenderProcessHost for the browser process for talking | 91 // Implements a concrete RenderProcessHost for the browser process for talking |
91 // to actual renderer processes (as opposed to mocks). | 92 // to actual renderer processes (as opposed to mocks). |
92 // | 93 // |
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107 // because all the IPCs from the RenderViews (renderer) will only ever be able | 108 // because all the IPCs from the RenderViews (renderer) will only ever be able |
108 // to access the partition they are assigned to. | 109 // to access the partition they are assigned to. |
109 class CONTENT_EXPORT RenderProcessHostImpl | 110 class CONTENT_EXPORT RenderProcessHostImpl |
110 : public RenderProcessHost, | 111 : public RenderProcessHost, |
111 public ChildProcessLauncher::Client, | 112 public ChildProcessLauncher::Client, |
112 public ui::GpuSwitchingObserver, | 113 public ui::GpuSwitchingObserver, |
113 public NON_EXPORTED_BASE(mojom::RouteProvider), | 114 public NON_EXPORTED_BASE(mojom::RouteProvider), |
114 public NON_EXPORTED_BASE(mojom::AssociatedInterfaceProvider), | 115 public NON_EXPORTED_BASE(mojom::AssociatedInterfaceProvider), |
115 public NON_EXPORTED_BASE(mojom::RendererHost) { | 116 public NON_EXPORTED_BASE(mojom::RendererHost) { |
116 public: | 117 public: |
117 RenderProcessHostImpl(BrowserContext* browser_context, | 118 // Use the spare RenderProcessHost if it exists, or create a new one. This |
118 StoragePartitionImpl* storage_partition_impl, | 119 // should be the usual way to get a new RenderProcessHost. |
119 bool is_for_guests_only); | 120 // If |storage_partition_impl| is null, the default partition from the |
| 121 // browser_context is used, using |site_instance| (for which a null value is |
| 122 // legal). |
| 123 static RenderProcessHost* CreateOrUseSpareRenderProcessHost( |
| 124 BrowserContext* browser_context, |
| 125 StoragePartitionImpl* storage_partition_impl, |
| 126 SiteInstance* site_instance, |
| 127 bool is_for_guests_only); |
| 128 |
| 129 // Create a new RenderProcessHost. In most cases |
| 130 // CreateOrUseSpareRenderProcessHost, above, should be used instead. |
| 131 // If |storage_partition_impl| is null, the default partition from the |
| 132 // browser_context is used, using |site_instance| (for which a null value is |
| 133 // legal). |site_instance| is not used if |storage_partition_impl| is not |
| 134 // null. |
| 135 static RenderProcessHost* CreateRenderProcessHost( |
| 136 BrowserContext* browser_context, |
| 137 StoragePartitionImpl* storage_partition_impl, |
| 138 SiteInstance* site_instance, |
| 139 bool is_for_guests_only); |
| 140 |
120 ~RenderProcessHostImpl() override; | 141 ~RenderProcessHostImpl() override; |
121 | 142 |
122 // RenderProcessHost implementation (public portion). | 143 // RenderProcessHost implementation (public portion). |
123 bool Init() override; | 144 bool Init() override; |
124 void EnableSendQueue() override; | 145 void EnableSendQueue() override; |
125 int GetNextRoutingID() override; | 146 int GetNextRoutingID() override; |
126 void AddRoute(int32_t routing_id, IPC::Listener* listener) override; | 147 void AddRoute(int32_t routing_id, IPC::Listener* listener) override; |
127 void RemoveRoute(int32_t routing_id) override; | 148 void RemoveRoute(int32_t routing_id) override; |
128 void AddObserver(RenderProcessHostObserver* observer) override; | 149 void AddObserver(RenderProcessHostObserver* observer) override; |
129 void RemoveObserver(RenderProcessHostObserver* observer) override; | 150 void RemoveObserver(RenderProcessHostObserver* observer) override; |
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189 void Resume() override; | 210 void Resume() override; |
190 mojom::Renderer* GetRendererInterface() override; | 211 mojom::Renderer* GetRendererInterface() override; |
191 resource_coordinator::ResourceCoordinatorInterface* | 212 resource_coordinator::ResourceCoordinatorInterface* |
192 GetProcessResourceCoordinator() override; | 213 GetProcessResourceCoordinator() override; |
193 | 214 |
194 void SetIsNeverSuitableForReuse() override; | 215 void SetIsNeverSuitableForReuse() override; |
195 bool MayReuseHost() override; | 216 bool MayReuseHost() override; |
196 bool IsUnused() override; | 217 bool IsUnused() override; |
197 void SetIsUsed() override; | 218 void SetIsUsed() override; |
198 | 219 |
| 220 bool HostHasNotBeenUsed() override; |
| 221 |
199 mojom::RouteProvider* GetRemoteRouteProvider(); | 222 mojom::RouteProvider* GetRemoteRouteProvider(); |
200 | 223 |
201 // IPC::Sender via RenderProcessHost. | 224 // IPC::Sender via RenderProcessHost. |
202 bool Send(IPC::Message* msg) override; | 225 bool Send(IPC::Message* msg) override; |
203 | 226 |
204 // IPC::Listener via RenderProcessHost. | 227 // IPC::Listener via RenderProcessHost. |
205 bool OnMessageReceived(const IPC::Message& msg) override; | 228 bool OnMessageReceived(const IPC::Message& msg) override; |
206 void OnAssociatedInterfaceRequest( | 229 void OnAssociatedInterfaceRequest( |
207 const std::string& interface_name, | 230 const std::string& interface_name, |
208 mojo::ScopedInterfaceEndpointHandle handle) override; | 231 mojo::ScopedInterfaceEndpointHandle handle) override; |
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262 RenderProcessHost* process, | 285 RenderProcessHost* process, |
263 const GURL& url); | 286 const GURL& url); |
264 | 287 |
265 // Returns a suitable RenderProcessHost to use for |site_instance|. Depending | 288 // Returns a suitable RenderProcessHost to use for |site_instance|. Depending |
266 // on the SiteInstance's ProcessReusePolicy and its url, this may be an | 289 // on the SiteInstance's ProcessReusePolicy and its url, this may be an |
267 // existing RenderProcessHost or a new one. | 290 // existing RenderProcessHost or a new one. |
268 static RenderProcessHost* GetProcessHostForSiteInstance( | 291 static RenderProcessHost* GetProcessHostForSiteInstance( |
269 BrowserContext* browser_context, | 292 BrowserContext* browser_context, |
270 SiteInstanceImpl* site_instance); | 293 SiteInstanceImpl* site_instance); |
271 | 294 |
| 295 // Cleanup and remove any spare renderer. This should be used when a |
| 296 // navigation has occurred or will be occurring that will not use the spare |
| 297 // renderer and resources should be cleaned up. |
| 298 static void CleanupSpareRenderProcessHost(); |
| 299 |
272 static base::MessageLoop* GetInProcessRendererThreadForTesting(); | 300 static base::MessageLoop* GetInProcessRendererThreadForTesting(); |
273 | 301 |
274 // This forces a renderer that is running "in process" to shut down. | 302 // This forces a renderer that is running "in process" to shut down. |
275 static void ShutDownInProcessRenderer(); | 303 static void ShutDownInProcessRenderer(); |
276 | 304 |
277 static void RegisterRendererMainThreadFactory( | 305 static void RegisterRendererMainThreadFactory( |
278 RendererMainThreadFactoryFunction create); | 306 RendererMainThreadFactoryFunction create); |
279 | 307 |
280 RenderFrameMessageFilter* render_frame_message_filter_for_testing() const { | 308 RenderFrameMessageFilter* render_frame_message_filter_for_testing() const { |
281 return render_frame_message_filter_.get(); | 309 return render_frame_message_filter_.get(); |
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330 // RenderProcessHosts. | 358 // RenderProcessHosts. |
331 static void AddExpectedNavigationToSite( | 359 static void AddExpectedNavigationToSite( |
332 BrowserContext* browser_context, | 360 BrowserContext* browser_context, |
333 RenderProcessHost* render_process_host, | 361 RenderProcessHost* render_process_host, |
334 const GURL& site_url); | 362 const GURL& site_url); |
335 static void RemoveExpectedNavigationToSite( | 363 static void RemoveExpectedNavigationToSite( |
336 BrowserContext* browser_context, | 364 BrowserContext* browser_context, |
337 RenderProcessHost* render_process_host, | 365 RenderProcessHost* render_process_host, |
338 const GURL& site_url); | 366 const GURL& site_url); |
339 | 367 |
| 368 // Return the spare RenderProcessHost, if it exists. There is at most one |
| 369 // globally-used spare RenderProcessHost at any time. |
| 370 static RenderProcessHost* GetSpareRenderProcessHostForTesting(); |
| 371 |
340 protected: | 372 protected: |
341 // A proxy for our IPC::Channel that lives on the IO thread. | 373 // A proxy for our IPC::Channel that lives on the IO thread. |
342 std::unique_ptr<IPC::ChannelProxy> channel_; | 374 std::unique_ptr<IPC::ChannelProxy> channel_; |
343 | 375 |
344 // True if fast shutdown has been performed on this RPH. | 376 // True if fast shutdown has been performed on this RPH. |
345 bool fast_shutdown_started_; | 377 bool fast_shutdown_started_; |
346 | 378 |
347 // True if we've posted a DeleteTask and will be deleted soon. | 379 // True if we've posted a DeleteTask and will be deleted soon. |
348 bool deleting_soon_; | 380 bool deleting_soon_; |
349 | 381 |
350 #ifndef NDEBUG | 382 #ifndef NDEBUG |
351 // True if this object has deleted itself. | 383 // True if this object has deleted itself. |
352 bool is_self_deleted_; | 384 bool is_self_deleted_; |
353 #endif | 385 #endif |
354 | 386 |
355 // The count of currently swapped out but pending RenderViews. We have | 387 // The count of currently swapped out but pending RenderViews. We have |
356 // started to swap these in, so the renderer process should not exit if | 388 // started to swap these in, so the renderer process should not exit if |
357 // this count is non-zero. | 389 // this count is non-zero. |
358 int32_t pending_views_; | 390 int32_t pending_views_; |
359 | 391 |
360 private: | 392 private: |
361 friend class ChildProcessLauncherBrowserTest_ChildSpawnFail_Test; | 393 friend class ChildProcessLauncherBrowserTest_ChildSpawnFail_Test; |
362 friend class VisitRelayingRenderProcessHost; | 394 friend class VisitRelayingRenderProcessHost; |
363 class ConnectionFilterController; | 395 class ConnectionFilterController; |
364 class ConnectionFilterImpl; | 396 class ConnectionFilterImpl; |
365 | 397 |
| 398 // Use CreateRenderProcessHost() instead of calling this constructor |
| 399 // directly. |
| 400 RenderProcessHostImpl(BrowserContext* browser_context, |
| 401 StoragePartitionImpl* storage_partition_impl, |
| 402 bool is_for_guests_only); |
| 403 |
366 // Initializes a new IPC::ChannelProxy in |channel_|, which will be connected | 404 // Initializes a new IPC::ChannelProxy in |channel_|, which will be connected |
367 // to the next child process launched for this host, if any. | 405 // to the next child process launched for this host, if any. |
368 void InitializeChannelProxy(); | 406 void InitializeChannelProxy(); |
369 | 407 |
370 // Resets |channel_|, removing it from the attachment broker if necessary. | 408 // Resets |channel_|, removing it from the attachment broker if necessary. |
371 // Always call this in lieu of directly resetting |channel_|. | 409 // Always call this in lieu of directly resetting |channel_|. |
372 void ResetChannelProxy(); | 410 void ResetChannelProxy(); |
373 | 411 |
374 // Creates and adds the IO thread message filters. | 412 // Creates and adds the IO thread message filters. |
375 void CreateMessageFilters(); | 413 void CreateMessageFilters(); |
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714 FrameSinkProviderImpl frame_sink_provider_; | 752 FrameSinkProviderImpl frame_sink_provider_; |
715 | 753 |
716 base::WeakPtrFactory<RenderProcessHostImpl> weak_factory_; | 754 base::WeakPtrFactory<RenderProcessHostImpl> weak_factory_; |
717 | 755 |
718 DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl); | 756 DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl); |
719 }; | 757 }; |
720 | 758 |
721 } // namespace content | 759 } // namespace content |
722 | 760 |
723 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_ | 761 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_ |
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