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      1 // Copyright (c) 2012 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 "ash/accelerators/nested_dispatcher_controller.h"
      6 
      7 #include "ash/accelerators/accelerator_dispatcher.h"
      8 #include "ash/shell.h"
      9 #include "base/run_loop.h"
     10 
     11 namespace ash {
     12 
     13 NestedDispatcherController::NestedDispatcherController() {
     14 }
     15 
     16 NestedDispatcherController::~NestedDispatcherController() {
     17 }
     18 
     19 void NestedDispatcherController::RunWithDispatcher(
     20     base::MessageLoop::Dispatcher* nested_dispatcher,
     21     aura::Window* associated_window,
     22     bool nestable_tasks_allowed) {
     23   base::MessageLoopForUI* loop = base::MessageLoopForUI::current();
     24   bool did_allow_task_nesting = loop->NestableTasksAllowed();
     25   loop->SetNestableTasksAllowed(nestable_tasks_allowed);
     26 
     27   AcceleratorDispatcher dispatcher(nested_dispatcher, associated_window);
     28 
     29   // TODO(jbates) crbug.com/134753 Find quitters of this RunLoop and have them
     30   //              use run_loop.QuitClosure().
     31   base::RunLoop run_loop(&dispatcher);
     32   run_loop.Run();
     33   loop->SetNestableTasksAllowed(did_allow_task_nesting);
     34 }
     35 
     36 }  // namespace ash
     37