| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/child/permissions/permission_dispatcher_thread_proxy.h" |
| |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/lazy_instance.h" |
| #include "base/location.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/threading/thread_local.h" |
| #include "content/child/permissions/permission_dispatcher.h" |
| #include "content/public/child/worker_thread.h" |
| #include "third_party/WebKit/public/platform/WebURL.h" |
| #include "third_party/WebKit/public/platform/modules/permissions/WebPermissionObserver.h" |
| |
| using base::LazyInstance; |
| using base::ThreadLocalPointer; |
| |
| namespace content { |
| |
| namespace { |
| |
| LazyInstance<ThreadLocalPointer<PermissionDispatcherThreadProxy>>::Leaky |
| g_permission_dispatcher_tls = LAZY_INSTANCE_INITIALIZER; |
| |
| } // anonymous namespace |
| |
| PermissionDispatcherThreadProxy* |
| PermissionDispatcherThreadProxy::GetThreadInstance( |
| base::SingleThreadTaskRunner* main_thread_task_runner, |
| PermissionDispatcher* permission_dispatcher) { |
| if (g_permission_dispatcher_tls.Pointer()->Get()) |
| return g_permission_dispatcher_tls.Pointer()->Get(); |
| |
| PermissionDispatcherThreadProxy* instance = |
| new PermissionDispatcherThreadProxy(main_thread_task_runner, |
| permission_dispatcher); |
| DCHECK(WorkerThread::GetCurrentId()); |
| WorkerThread::AddObserver(instance); |
| return instance; |
| } |
| |
| PermissionDispatcherThreadProxy::PermissionDispatcherThreadProxy( |
| base::SingleThreadTaskRunner* main_thread_task_runner, |
| PermissionDispatcher* permission_dispatcher) |
| : main_thread_task_runner_(main_thread_task_runner), |
| permission_dispatcher_(permission_dispatcher) { |
| g_permission_dispatcher_tls.Pointer()->Set(this); |
| } |
| |
| PermissionDispatcherThreadProxy::~PermissionDispatcherThreadProxy() { |
| g_permission_dispatcher_tls.Pointer()->Set(nullptr); |
| } |
| |
| void PermissionDispatcherThreadProxy::queryPermission( |
| blink::WebPermissionType type, |
| const blink::WebURL& origin, |
| blink::WebPermissionCallback* callback) { |
| main_thread_task_runner_->PostTask( |
| FROM_HERE, base::Bind(&PermissionDispatcher::QueryPermissionForWorker, |
| base::Unretained(permission_dispatcher_), type, |
| origin.string().utf8(), base::Unretained(callback), |
| WorkerThread::GetCurrentId())); |
| } |
| |
| void PermissionDispatcherThreadProxy::requestPermission( |
| blink::WebPermissionType type, |
| const blink::WebURL& origin, |
| blink::WebPermissionCallback* callback) { |
| main_thread_task_runner_->PostTask( |
| FROM_HERE, base::Bind(&PermissionDispatcher::RequestPermissionForWorker, |
| base::Unretained(permission_dispatcher_), type, |
| origin.string().utf8(), base::Unretained(callback), |
| WorkerThread::GetCurrentId())); |
| } |
| |
| void PermissionDispatcherThreadProxy::requestPermissions( |
| const blink::WebVector<blink::WebPermissionType>& types, |
| const blink::WebURL& origin, |
| blink::WebPermissionsCallback* callback) { |
| main_thread_task_runner_->PostTask( |
| FROM_HERE, base::Bind(&PermissionDispatcher::RequestPermissionsForWorker, |
| base::Unretained(permission_dispatcher_), types, |
| origin.string().utf8(), base::Unretained(callback), |
| WorkerThread::GetCurrentId())); |
| } |
| |
| void PermissionDispatcherThreadProxy::revokePermission( |
| blink::WebPermissionType type, |
| const blink::WebURL& origin, |
| blink::WebPermissionCallback* callback) { |
| main_thread_task_runner_->PostTask( |
| FROM_HERE, base::Bind(&PermissionDispatcher::RevokePermissionForWorker, |
| base::Unretained(permission_dispatcher_), type, |
| origin.string().utf8(), base::Unretained(callback), |
| WorkerThread::GetCurrentId())); |
| } |
| |
| void PermissionDispatcherThreadProxy::startListening( |
| blink::WebPermissionType type, |
| const blink::WebURL& origin, |
| blink::WebPermissionObserver* observer) { |
| if (!PermissionDispatcher::IsObservable(type)) |
| return; |
| |
| RegisterObserver(observer); |
| |
| main_thread_task_runner_->PostTask( |
| FROM_HERE, |
| base::Bind( |
| &PermissionDispatcher::StartListeningForWorker, |
| base::Unretained(permission_dispatcher_), type, |
| origin.string().utf8(), WorkerThread::GetCurrentId(), |
| base::Bind(&PermissionDispatcherThreadProxy::OnPermissionChanged, |
| base::Unretained(this), type, origin.string().utf8(), |
| base::Unretained(observer)))); |
| } |
| |
| void PermissionDispatcherThreadProxy::stopListening( |
| blink::WebPermissionObserver* observer) { |
| UnregisterObserver(observer); |
| } |
| |
| void PermissionDispatcherThreadProxy::OnPermissionChanged( |
| blink::WebPermissionType type, |
| const std::string& origin, |
| blink::WebPermissionObserver* observer, |
| blink::WebPermissionStatus status) { |
| if (!IsObserverRegistered(observer)) |
| return; |
| |
| observer->permissionChanged(type, status); |
| |
| main_thread_task_runner_->PostTask( |
| FROM_HERE, |
| base::Bind( |
| &PermissionDispatcher::GetNextPermissionChangeForWorker, |
| base::Unretained(permission_dispatcher_), type, origin, status, |
| WorkerThread::GetCurrentId(), |
| base::Bind(&PermissionDispatcherThreadProxy::OnPermissionChanged, |
| base::Unretained(this), type, origin, |
| base::Unretained(observer)))); |
| } |
| |
| void PermissionDispatcherThreadProxy::WillStopCurrentWorkerThread() { |
| delete this; |
| } |
| |
| } // namespace content |