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| 1 // Copyright 2014 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 "ui/wm/core/nested_accelerator_controller.h" | |
| 6 | |
| 7 #include "base/auto_reset.h" | |
| 8 #include "base/bind.h" | |
| 9 #include "base/run_loop.h" | |
| 10 #include "ui/wm/core/nested_accelerator_delegate.h" | |
| 11 #include "ui/wm/core/nested_accelerator_dispatcher.h" | |
| 12 | |
| 13 namespace wm { | |
| 14 | |
| 15 NestedAcceleratorController::NestedAcceleratorController( | |
| 16 NestedAcceleratorDelegate* delegate) | |
| 17 : dispatcher_delegate_(delegate) { | |
| 18 DCHECK(delegate); | |
| 19 } | |
| 20 | |
| 21 NestedAcceleratorController::~NestedAcceleratorController() { | |
| 22 } | |
| 23 | |
| 24 void NestedAcceleratorController::PrepareNestedLoopClosures( | |
| 25 base::MessagePumpDispatcher* nested_dispatcher, | |
| 26 base::Closure* run_closure, | |
| 27 base::Closure* quit_closure) { | |
| 28 scoped_ptr<NestedAcceleratorDispatcher> old_accelerator_dispatcher = | |
| 29 accelerator_dispatcher_.Pass(); | |
| 30 accelerator_dispatcher_ = NestedAcceleratorDispatcher::Create( | |
| 31 dispatcher_delegate_.get(), nested_dispatcher); | |
| 32 | |
| 33 scoped_ptr<base::RunLoop> run_loop = accelerator_dispatcher_->CreateRunLoop(); | |
| 34 *quit_closure = | |
| 35 base::Bind(&NestedAcceleratorController::QuitNestedMessageLoop, | |
| 36 base::Unretained(this), | |
| 37 run_loop->QuitClosure()); | |
| 38 *run_closure = base::Bind(&NestedAcceleratorController::RunNestedMessageLoop, | |
| 39 base::Unretained(this), | |
| 40 base::Passed(&run_loop), | |
| 41 base::Passed(&old_accelerator_dispatcher)); | |
| 42 } | |
| 43 | |
| 44 void NestedAcceleratorController::RunNestedMessageLoop( | |
| 45 scoped_ptr<base::RunLoop> run_loop, | |
| 46 scoped_ptr<NestedAcceleratorDispatcher> old_accelerator_dispatcher) { | |
| 47 run_loop->Run(); | |
| 48 accelerator_dispatcher_ = old_accelerator_dispatcher.Pass(); | |
| 49 } | |
| 50 | |
| 51 void NestedAcceleratorController::QuitNestedMessageLoop( | |
| 52 const base::Closure& quit_runloop) { | |
| 53 quit_runloop.Run(); | |
| 54 accelerator_dispatcher_.reset(); | |
| 55 } | |
| 56 | |
| 57 } // namespace wm | |
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