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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 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 // Represents the browser side of the browser <--> renderer communication | 5 // Represents the browser side of the browser <--> renderer communication |
6 // channel. There will be one RenderProcessHost per renderer process. | 6 // channel. There will be one RenderProcessHost per renderer process. |
7 | 7 |
8 #include "content/browser/renderer_host/render_process_host_impl.h" | 8 #include "content/browser/renderer_host/render_process_host_impl.h" |
9 | 9 |
10 #include <algorithm> | 10 #include <algorithm> |
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551 StoragePartitionImpl* storage_partition_impl, | 551 StoragePartitionImpl* storage_partition_impl, |
552 bool is_for_guests_only) | 552 bool is_for_guests_only) |
553 : fast_shutdown_started_(false), | 553 : fast_shutdown_started_(false), |
554 deleting_soon_(false), | 554 deleting_soon_(false), |
555 #ifndef NDEBUG | 555 #ifndef NDEBUG |
556 is_self_deleted_(false), | 556 is_self_deleted_(false), |
557 #endif | 557 #endif |
558 pending_views_(0), | 558 pending_views_(0), |
559 immediate_sender_(new SafeSenderProxy(this, true)), | 559 immediate_sender_(new SafeSenderProxy(this, true)), |
560 io_thread_sender_(new SafeSenderProxy(this, false)), | 560 io_thread_sender_(new SafeSenderProxy(this, false)), |
561 mojo_application_host_(new MojoApplicationHost), | 561 child_token_(mojo::edk::GenerateRandomToken()), |
| 562 mojo_application_host_(new MojoApplicationHost(child_token_)), |
562 visible_widgets_(0), | 563 visible_widgets_(0), |
563 is_process_backgrounded_(false), | 564 is_process_backgrounded_(false), |
564 is_initialized_(false), | 565 is_initialized_(false), |
565 id_(ChildProcessHostImpl::GenerateChildProcessUniqueId()), | 566 id_(ChildProcessHostImpl::GenerateChildProcessUniqueId()), |
566 browser_context_(browser_context), | 567 browser_context_(browser_context), |
567 storage_partition_impl_(storage_partition_impl), | 568 storage_partition_impl_(storage_partition_impl), |
568 sudden_termination_allowed_(true), | 569 sudden_termination_allowed_(true), |
569 ignore_input_events_(false), | 570 ignore_input_events_(false), |
570 is_for_guests_only_(is_for_guests_only), | 571 is_for_guests_only_(is_for_guests_only), |
571 gpu_observer_registered_(false), | 572 gpu_observer_registered_(false), |
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687 } | 688 } |
688 | 689 |
689 bool RenderProcessHostImpl::Init() { | 690 bool RenderProcessHostImpl::Init() { |
690 // calling Init() more than once does nothing, this makes it more convenient | 691 // calling Init() more than once does nothing, this makes it more convenient |
691 // for the view host which may not be sure in some cases | 692 // for the view host which may not be sure in some cases |
692 if (channel_) | 693 if (channel_) |
693 return true; | 694 return true; |
694 | 695 |
695 mojo_child_connection_.reset(new MojoChildConnection( | 696 mojo_child_connection_.reset(new MojoChildConnection( |
696 kRendererMojoApplicationName, | 697 kRendererMojoApplicationName, |
697 base::StringPrintf("%d_%d", id_, instance_id_++))); | 698 base::StringPrintf("%d_%d", id_, instance_id_++), |
| 699 child_token_)); |
698 | 700 |
699 base::CommandLine::StringType renderer_prefix; | 701 base::CommandLine::StringType renderer_prefix; |
700 // A command prefix is something prepended to the command line of the spawned | 702 // A command prefix is something prepended to the command line of the spawned |
701 // process. | 703 // process. |
702 const base::CommandLine& browser_command_line = | 704 const base::CommandLine& browser_command_line = |
703 *base::CommandLine::ForCurrentProcess(); | 705 *base::CommandLine::ForCurrentProcess(); |
704 renderer_prefix = | 706 renderer_prefix = |
705 browser_command_line.GetSwitchValueNative(switches::kRendererCmdPrefix); | 707 browser_command_line.GetSwitchValueNative(switches::kRendererCmdPrefix); |
706 | 708 |
707 #if defined(OS_LINUX) | 709 #if defined(OS_LINUX) |
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773 if (!renderer_prefix.empty()) | 775 if (!renderer_prefix.empty()) |
774 cmd_line->PrependWrapper(renderer_prefix); | 776 cmd_line->PrependWrapper(renderer_prefix); |
775 AppendRendererCommandLine(cmd_line); | 777 AppendRendererCommandLine(cmd_line); |
776 cmd_line->AppendSwitchASCII(switches::kProcessChannelID, channel_id); | 778 cmd_line->AppendSwitchASCII(switches::kProcessChannelID, channel_id); |
777 | 779 |
778 // Spawn the child process asynchronously to avoid blocking the UI thread. | 780 // Spawn the child process asynchronously to avoid blocking the UI thread. |
779 // As long as there's no renderer prefix, we can use the zygote process | 781 // As long as there's no renderer prefix, we can use the zygote process |
780 // at this stage. | 782 // at this stage. |
781 child_process_launcher_.reset(new ChildProcessLauncher( | 783 child_process_launcher_.reset(new ChildProcessLauncher( |
782 new RendererSandboxedProcessLauncherDelegate(channel_.get()), cmd_line, | 784 new RendererSandboxedProcessLauncherDelegate(channel_.get()), cmd_line, |
783 GetID(), this)); | 785 GetID(), this, child_token_)); |
784 | 786 |
785 fast_shutdown_started_ = false; | 787 fast_shutdown_started_ = false; |
786 } | 788 } |
787 | 789 |
788 if (!gpu_observer_registered_) { | 790 if (!gpu_observer_registered_) { |
789 gpu_observer_registered_ = true; | 791 gpu_observer_registered_ = true; |
790 ui::GpuSwitchingManager::GetInstance()->AddObserver(this); | 792 ui::GpuSwitchingManager::GetInstance()->AddObserver(this); |
791 } | 793 } |
792 | 794 |
793 power_monitor_broadcaster_.Init(); | 795 power_monitor_broadcaster_.Init(); |
794 | 796 |
795 is_initialized_ = true; | 797 is_initialized_ = true; |
796 init_time_ = base::TimeTicks::Now(); | 798 init_time_ = base::TimeTicks::Now(); |
797 return true; | 799 return true; |
798 } | 800 } |
799 | 801 |
800 std::unique_ptr<IPC::ChannelProxy> RenderProcessHostImpl::CreateChannelProxy( | 802 std::unique_ptr<IPC::ChannelProxy> RenderProcessHostImpl::CreateChannelProxy( |
801 const std::string& channel_id) { | 803 const std::string& channel_id) { |
802 scoped_refptr<base::SingleThreadTaskRunner> runner = | 804 scoped_refptr<base::SingleThreadTaskRunner> runner = |
803 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO); | 805 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO); |
804 mojo_channel_token_ = mojo::edk::GenerateRandomToken(); | 806 mojo_channel_token_ = mojo::edk::GenerateRandomToken(); |
805 mojo::ScopedMessagePipeHandle handle = | 807 mojo::ScopedMessagePipeHandle handle = |
806 mojo::edk::CreateParentMessagePipe(mojo_channel_token_); | 808 mojo::edk::CreateParentMessagePipe(mojo_channel_token_, child_token_); |
807 | 809 |
808 // Do NOT expand ifdef or run time condition checks here! Synchronous | 810 // Do NOT expand ifdef or run time condition checks here! Synchronous |
809 // IPCs from browser process are banned. It is only narrowly allowed | 811 // IPCs from browser process are banned. It is only narrowly allowed |
810 // for Android WebView to maintain backward compatibility. | 812 // for Android WebView to maintain backward compatibility. |
811 // See crbug.com/526842 for details. | 813 // See crbug.com/526842 for details. |
812 #if defined(OS_ANDROID) | 814 #if defined(OS_ANDROID) |
813 if (GetContentClient()->UsingSynchronousCompositing()) { | 815 if (GetContentClient()->UsingSynchronousCompositing()) { |
814 return IPC::SyncChannel::Create( | 816 return IPC::SyncChannel::Create( |
815 IPC::ChannelMojo::CreateServerFactory(std::move(handle)), this, | 817 IPC::ChannelMojo::CreateServerFactory(std::move(handle)), this, |
816 runner.get(), true, &never_signaled_); | 818 runner.get(), true, &never_signaled_); |
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2410 #endif | 2412 #endif |
2411 channel_.reset(); | 2413 channel_.reset(); |
2412 while (!queued_messages_.empty()) | 2414 while (!queued_messages_.empty()) |
2413 queued_messages_.pop(); | 2415 queued_messages_.pop(); |
2414 UpdateProcessPriority(); | 2416 UpdateProcessPriority(); |
2415 DCHECK(!is_process_backgrounded_); | 2417 DCHECK(!is_process_backgrounded_); |
2416 | 2418 |
2417 // RenderProcessExited observers and RenderProcessGone handlers might | 2419 // RenderProcessExited observers and RenderProcessGone handlers might |
2418 // navigate or perform other actions that require a connection. Ensure that | 2420 // navigate or perform other actions that require a connection. Ensure that |
2419 // there is one before calling them. | 2421 // there is one before calling them. |
2420 mojo_application_host_.reset(new MojoApplicationHost); | 2422 child_token_ = mojo::edk::GenerateRandomToken(); |
| 2423 mojo_application_host_.reset(new MojoApplicationHost(child_token_)); |
2421 | 2424 |
2422 within_process_died_observer_ = true; | 2425 within_process_died_observer_ = true; |
2423 NotificationService::current()->Notify( | 2426 NotificationService::current()->Notify( |
2424 NOTIFICATION_RENDERER_PROCESS_CLOSED, Source<RenderProcessHost>(this), | 2427 NOTIFICATION_RENDERER_PROCESS_CLOSED, Source<RenderProcessHost>(this), |
2425 Details<RendererClosedDetails>(&details)); | 2428 Details<RendererClosedDetails>(&details)); |
2426 FOR_EACH_OBSERVER(RenderProcessHostObserver, observers_, | 2429 FOR_EACH_OBSERVER(RenderProcessHostObserver, observers_, |
2427 RenderProcessExited(this, status, exit_code)); | 2430 RenderProcessExited(this, status, exit_code)); |
2428 within_process_died_observer_ = false; | 2431 within_process_died_observer_ = false; |
2429 | 2432 |
2430 message_port_message_filter_ = NULL; | 2433 message_port_message_filter_ = NULL; |
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2793 | 2796 |
2794 // Skip widgets in other processes. | 2797 // Skip widgets in other processes. |
2795 if (rvh->GetProcess()->GetID() != GetID()) | 2798 if (rvh->GetProcess()->GetID() != GetID()) |
2796 continue; | 2799 continue; |
2797 | 2800 |
2798 rvh->OnWebkitPreferencesChanged(); | 2801 rvh->OnWebkitPreferencesChanged(); |
2799 } | 2802 } |
2800 } | 2803 } |
2801 | 2804 |
2802 } // namespace content | 2805 } // namespace content |
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