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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/events/ozone/layout/keyboard_layout_engine_manager.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "ui/events/ozone/layout/stub/stub_keyboard_layout_engine.h" | |
9 | |
10 namespace ui { | |
11 | |
12 // static | |
13 KeyboardLayoutEngineManager* KeyboardLayoutEngineManager::instance_ = nullptr; | |
14 | |
15 KeyboardLayoutEngineManager::KeyboardLayoutEngineManager( | |
16 KeyboardLayoutEngine* engine) | |
17 : keyboard_layout_engine_(engine) { | |
18 CHECK(!instance_) << "Only one platform event source can be created."; | |
spang
2014/12/02 18:38:26
forgot to update the message
kpschoedel
2014/12/02 19:34:20
Done.
| |
19 instance_ = this; | |
20 } | |
21 | |
22 KeyboardLayoutEngineManager::~KeyboardLayoutEngineManager() { | |
23 CHECK_EQ(this, instance_); | |
24 instance_ = NULL; | |
25 } | |
26 | |
27 void KeyboardLayoutEngineManager::SetKeyboardLayoutEngine( | |
28 scoped_ptr<KeyboardLayoutEngine> engine) { | |
29 if (instance_) | |
30 instance_->keyboard_layout_engine_.reset(engine.release()); | |
31 else | |
32 new KeyboardLayoutEngineManager(engine.release()); | |
33 } | |
34 | |
35 KeyboardLayoutEngine* KeyboardLayoutEngineManager::GetKeyboardLayoutEngine() { | |
36 if (!instance_) | |
spang
2014/12/02 18:38:26
Why do we need to lazily construct this? Is there
kpschoedel
2014/12/02 19:34:20
Yes, all the tests that think they can get away wi
spang
2014/12/02 20:27:59
maybe TODO(): Fix tests that depend on layout engi
kpschoedel
2014/12/02 21:52:34
Done.
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37 new KeyboardLayoutEngineManager(new StubKeyboardLayoutEngine()); | |
38 return instance_->keyboard_layout_engine_.get(); | |
39 } | |
40 | |
41 } // namespace ui | |
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