Move webkit/plugins/ppapi to content/renderer/pepper.

webkit/plugins/ppapi/ppb_flash_message_loop_impl.cc

-// Copyright (c) 2012 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 "webkit/plugins/ppapi/ppb_flash_message_loop_impl.h"
-
-#include "base/callback.h"
-#include "base/message_loop/message_loop.h"
-#include "ppapi/c/pp_errors.h"
-
-using ppapi::thunk::PPB_Flash_MessageLoop_API;
-
-namespace webkit {
-namespace ppapi {
-
-class PPB_Flash_MessageLoop_Impl::State
-    : public base::RefCounted<PPB_Flash_MessageLoop_Impl::State> {
- public:
-  State() : result_(PP_OK), run_called_(false), quit_called_(false) {
-  }
-
-  int32_t result() const { return result_; }
-  void set_result(int32_t result) { result_ = result; }
-
-  bool run_called() const { return run_called_; }
-  void set_run_called() { run_called_ = true; }
-
-  bool quit_called() const { return quit_called_; }
-  void set_quit_called() { quit_called_ = true; }
-
-  const RunFromHostProxyCallback& run_callback() const { return run_callback_; }
-  void set_run_callback(const RunFromHostProxyCallback& run_callback) {
-    run_callback_ = run_callback;
-  }
-
- private:
-  int32_t result_;
-  bool run_called_;
-  bool quit_called_;
-  RunFromHostProxyCallback run_callback_;
-};
-
-PPB_Flash_MessageLoop_Impl::PPB_Flash_MessageLoop_Impl(PP_Instance instance)
-    : Resource(::ppapi::OBJECT_IS_IMPL, instance),
-      state_(new State()) {
-}
-
-PPB_Flash_MessageLoop_Impl::~PPB_Flash_MessageLoop_Impl() {
-  // It is a no-op if either Run() hasn't been called or Quit() has been called
-  // to balance the call to Run().
-  InternalQuit(PP_ERROR_ABORTED);
-}
-
-// static
-PP_Resource PPB_Flash_MessageLoop_Impl::Create(PP_Instance instance) {
-  return (new PPB_Flash_MessageLoop_Impl(instance))->GetReference();
-}
-
-PPB_Flash_MessageLoop_API*
-    PPB_Flash_MessageLoop_Impl::AsPPB_Flash_MessageLoop_API() {
-  return this;
-}
-
-int32_t PPB_Flash_MessageLoop_Impl::Run() {
-  return InternalRun(RunFromHostProxyCallback());
-}
-
-void PPB_Flash_MessageLoop_Impl::RunFromHostProxy(
-    const RunFromHostProxyCallback& callback) {
-  InternalRun(callback);
-}
-
-void PPB_Flash_MessageLoop_Impl::Quit() {
-  InternalQuit(PP_OK);
-}
-
-int32_t PPB_Flash_MessageLoop_Impl::InternalRun(
-    const RunFromHostProxyCallback& callback) {
-  if (state_->run_called()) {
-    if (!callback.is_null())
-      callback.Run(PP_ERROR_FAILED);
-    return PP_ERROR_FAILED;
-  }
-  state_->set_run_called();
-  state_->set_run_callback(callback);
-
-  // It is possible that the PPB_Flash_MessageLoop_Impl object has been
-  // destroyed when the nested message loop exits.
-  scoped_refptr<State> state_protector(state_);
-  {
-    base::MessageLoop::ScopedNestableTaskAllower allow(
-        base::MessageLoop::current());
-    base::MessageLoop::current()->Run();
-  }
-  // Don't access data members of the class below.
-
-  return state_protector->result();
-}
-
-void PPB_Flash_MessageLoop_Impl::InternalQuit(int32_t result) {
-  if (!state_->run_called() || state_->quit_called())
-    return;
-  state_->set_quit_called();
-  state_->set_result(result);
-
-  base::MessageLoop::current()->QuitNow();
-
-  if (!state_->run_callback().is_null())
-    state_->run_callback().Run(result);
-}
-
-}  // namespace ppapi
-}  // namespace webkit