| // Copyright (c) 2011 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 "remoting/base/plugin_message_loop_proxy.h" |
| |
| #include "base/bind.h" |
| |
| namespace remoting { |
| |
| PluginMessageLoopProxy::PluginMessageLoopProxy(Delegate* delegate) |
| : delegate_(delegate) { |
| } |
| |
| PluginMessageLoopProxy::~PluginMessageLoopProxy() { |
| } |
| |
| void PluginMessageLoopProxy::Detach() { |
| base::AutoLock auto_lock(lock_); |
| if (delegate_) { |
| DCHECK(delegate_->IsPluginThread()); |
| delegate_ = NULL; |
| } |
| } |
| |
| // MessageLoopProxy interface implementation. |
| bool PluginMessageLoopProxy::PostTask( |
| const tracked_objects::Location& from_here, |
| Task* task) { |
| return PostDelayedTask(from_here, task, 0); |
| } |
| |
| bool PluginMessageLoopProxy::PostDelayedTask( |
| const tracked_objects::Location& from_here, |
| Task* task, |
| int64 delay_ms) { |
| base::AutoLock auto_lock(lock_); |
| if (!delegate_) |
| return false; |
| |
| base::Closure* springpad_closure = new base::Closure(base::Bind( |
| &PluginMessageLoopProxy::RunTaskIf, this, task)); |
| return delegate_->RunOnPluginThread( |
| delay_ms, &PluginMessageLoopProxy::TaskSpringboard, springpad_closure); |
| } |
| |
| bool PluginMessageLoopProxy::PostNonNestableTask( |
| const tracked_objects::Location& from_here, |
| Task* task) { |
| // All tasks running on this message loop are non-nestable. |
| return PostTask(from_here, task); |
| } |
| |
| bool PluginMessageLoopProxy::PostNonNestableDelayedTask( |
| const tracked_objects::Location& from_here, |
| Task* task, |
| int64 delay_ms) { |
| // All tasks running on this message loop are non-nestable. |
| return PostDelayedTask(from_here, task, delay_ms); |
| } |
| |
| bool PluginMessageLoopProxy::PostTask( |
| const tracked_objects::Location& from_here, |
| const base::Closure& task) { |
| return PostDelayedTask(from_here, task, 0); |
| } |
| |
| bool PluginMessageLoopProxy::PostDelayedTask( |
| const tracked_objects::Location& from_here, |
| const base::Closure& task, |
| int64 delay_ms) { |
| base::AutoLock auto_lock(lock_); |
| if (!delegate_) |
| return false; |
| |
| base::Closure* springpad_closure = new base::Closure(base::Bind( |
| &PluginMessageLoopProxy::RunClosureIf, this, task)); |
| return delegate_->RunOnPluginThread( |
| delay_ms, &PluginMessageLoopProxy::TaskSpringboard, springpad_closure); |
| } |
| |
| bool PluginMessageLoopProxy::PostNonNestableTask( |
| const tracked_objects::Location& from_here, |
| const base::Closure& task) { |
| // All tasks running on this message loop are non-nestable. |
| return PostTask(from_here, task); |
| } |
| |
| bool PluginMessageLoopProxy::PostNonNestableDelayedTask( |
| const tracked_objects::Location& from_here, |
| const base::Closure& task, |
| int64 delay_ms) { |
| // All tasks running on this message loop are non-nestable. |
| return PostDelayedTask(from_here, task, delay_ms); |
| } |
| |
| bool PluginMessageLoopProxy::BelongsToCurrentThread() { |
| base::AutoLock auto_lock(lock_); |
| if (!delegate_) |
| return false; |
| |
| return delegate_->IsPluginThread(); |
| } |
| |
| // static |
| void PluginMessageLoopProxy::TaskSpringboard(void* data) { |
| base::Closure* task = reinterpret_cast<base::Closure*>(data); |
| task->Run(); |
| delete task; |
| } |
| |
| void PluginMessageLoopProxy::RunTaskIf(Task* task) { |
| // |delegate_| can be changed only from our thread, so it's safe to |
| // access it without acquiring |lock_|. |
| if (delegate_) |
| task->Run(); |
| delete task; |
| } |
| |
| void PluginMessageLoopProxy::RunClosureIf(const base::Closure& task) { |
| // |delegate_| can be changed only from our thread, so it's safe to |
| // access it without acquiring |lock_|. |
| if (delegate_) |
| task.Run(); |
| } |
| |
| } // namespace remoting |