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| 1 // Copyright (c) 2009 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 #include "chrome/browser/worker_host/worker_service.h" |
| 6 |
| 7 #include "base/singleton.h" |
| 8 #include "base/thread.h" |
| 9 #include "chrome/browser/browser_process.h" |
| 10 #include "chrome/browser/plugin_service.h" |
| 11 #include "chrome/browser/worker_host/worker_process_host.h" |
| 12 #include "chrome/browser/renderer_host/render_process_host.h" |
| 13 #include "chrome/browser/renderer_host/resource_message_filter.h" |
| 14 |
| 15 WorkerService* WorkerService::GetInstance() { |
| 16 return Singleton<WorkerService>::get(); |
| 17 } |
| 18 |
| 19 WorkerService::WorkerService() : next_worker_route_id_(0) { |
| 20 } |
| 21 |
| 22 WorkerService::~WorkerService() { |
| 23 } |
| 24 |
| 25 bool WorkerService::CreateDedicatedWorker(const GURL &url, |
| 26 ResourceMessageFilter* filter, |
| 27 int renderer_route_id) { |
| 28 WorkerProcessHost* worker = NULL; |
| 29 // One worker process for quick bringup! |
| 30 for (ChildProcessHost::Iterator iter(ChildProcessInfo::WORKER_PROCESS); |
| 31 !iter.Done(); ++iter) { |
| 32 worker = static_cast<WorkerProcessHost*>(*iter); |
| 33 break; |
| 34 } |
| 35 |
| 36 if (!worker) { |
| 37 // TODO(jabdelmalek): there has to be a better way to get the main message |
| 38 // loop than to go through PluginService. |
| 39 worker = new WorkerProcessHost( |
| 40 PluginService::GetInstance()->main_message_loop()); |
| 41 if (!worker->Init()) { |
| 42 delete worker; |
| 43 return false; |
| 44 } |
| 45 } |
| 46 |
| 47 // Generate a unique route id for the browser-worker communication that's |
| 48 // unique among all worker processes. That way when the worker process sends |
| 49 // a wrapped IPC message through us, we know which WorkerProcessHost to give |
| 50 // it to. |
| 51 worker->CreateWorker(url, ++next_worker_route_id_, renderer_route_id, filter); |
| 52 |
| 53 return true; |
| 54 } |
| 55 |
| 56 void WorkerService::ForwardMessage(const IPC::Message& message) { |
| 57 for (ChildProcessHost::Iterator iter(ChildProcessInfo::WORKER_PROCESS); |
| 58 !iter.Done(); ++iter) { |
| 59 WorkerProcessHost* worker = static_cast<WorkerProcessHost*>(*iter); |
| 60 if (worker->FilterMessage(message)) |
| 61 return; |
| 62 } |
| 63 |
| 64 // TODO(jabdelmalek): tell sender that callee is gone |
| 65 } |
| 66 |
| 67 void WorkerService::RendererShutdown(ResourceMessageFilter* filter) { |
| 68 for (ChildProcessHost::Iterator iter(ChildProcessInfo::WORKER_PROCESS); |
| 69 !iter.Done(); ++iter) { |
| 70 WorkerProcessHost* worker = static_cast<WorkerProcessHost*>(*iter); |
| 71 worker->RendererShutdown(filter); |
| 72 } |
| 73 } |
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