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| 1 // Copyright 2015 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 "content/child/permissions/permission_manager_thread_proxy.h" |
| 6 |
| 7 #include "base/bind.h" |
| 8 #include "base/bind_helpers.h" |
| 9 #include "base/lazy_instance.h" |
| 10 #include "base/location.h" |
| 11 #include "base/single_thread_task_runner.h" |
| 12 #include "base/threading/thread_local.h" |
| 13 #include "content/child/permissions/permission_manager.h" |
| 14 #include "content/child/worker_task_runner.h" |
| 15 #include "third_party/WebKit/public/platform/WebURL.h" |
| 16 |
| 17 using base::LazyInstance; |
| 18 using base::ThreadLocalPointer; |
| 19 |
| 20 namespace content { |
| 21 |
| 22 namespace { |
| 23 |
| 24 LazyInstance<ThreadLocalPointer<PermissionManagerThreadProxy>>::Leaky |
| 25 g_permission_manager_tls = LAZY_INSTANCE_INITIALIZER; |
| 26 |
| 27 } // anonymous namespace |
| 28 |
| 29 PermissionManagerThreadProxy* |
| 30 PermissionManagerThreadProxy::GetThreadInstance( |
| 31 base::SingleThreadTaskRunner* main_thread_task_runner, |
| 32 PermissionManager* permissions_manager) { |
| 33 if (g_permission_manager_tls.Pointer()->Get()) |
| 34 return g_permission_manager_tls.Pointer()->Get(); |
| 35 |
| 36 PermissionManagerThreadProxy* instance = |
| 37 new PermissionManagerThreadProxy(main_thread_task_runner, |
| 38 permissions_manager); |
| 39 DCHECK(WorkerTaskRunner::Instance()->CurrentWorkerId()); |
| 40 WorkerTaskRunner::Instance()->AddStopObserver(instance); |
| 41 return instance; |
| 42 } |
| 43 |
| 44 PermissionManagerThreadProxy::PermissionManagerThreadProxy( |
| 45 base::SingleThreadTaskRunner* main_thread_task_runner, |
| 46 PermissionManager* permissions_manager) |
| 47 : main_thread_task_runner_(main_thread_task_runner), |
| 48 permissions_manager_(permissions_manager) { |
| 49 g_permission_manager_tls.Pointer()->Set(this); |
| 50 } |
| 51 |
| 52 PermissionManagerThreadProxy::~PermissionManagerThreadProxy() { |
| 53 g_permission_manager_tls.Pointer()->Set(nullptr); |
| 54 } |
| 55 |
| 56 void PermissionManagerThreadProxy::queryPermission( |
| 57 blink::WebPermissionType type, |
| 58 const blink::WebURL& origin, |
| 59 blink::WebPermissionQueryCallback* callback) { |
| 60 main_thread_task_runner_->PostTask( |
| 61 FROM_HERE, |
| 62 base::Bind(&PermissionManager::QueryPermissionForWorker, |
| 63 base::Unretained(permissions_manager_), |
| 64 type, |
| 65 origin.string().utf8(), |
| 66 base::Unretained(callback), |
| 67 WorkerTaskRunner::Instance()->CurrentWorkerId())); |
| 68 } |
| 69 |
| 70 void PermissionManagerThreadProxy::OnWorkerRunLoopStopped() { |
| 71 delete this; |
| 72 } |
| 73 |
| 74 } // namespace content |
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