blob: f8cd82b8a0bbe53a88b500aa0bde3238071a09c4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
// Copyright 2014 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 "ui/events/ozone/layout/keyboard_layout_engine_manager.h"
#include "base/logging.h"
#include "ui/events/ozone/layout/stub/stub_keyboard_layout_engine.h"
namespace ui {
// static
KeyboardLayoutEngineManager* KeyboardLayoutEngineManager::instance_ = nullptr;
KeyboardLayoutEngineManager::KeyboardLayoutEngineManager(
KeyboardLayoutEngine* engine)
: keyboard_layout_engine_(engine) {
CHECK(!instance_) << "Only one keyboard layout manager can be created.";
instance_ = this;
}
KeyboardLayoutEngineManager::~KeyboardLayoutEngineManager() {
CHECK_EQ(this, instance_);
instance_ = NULL;
}
void KeyboardLayoutEngineManager::SetKeyboardLayoutEngine(
scoped_ptr<KeyboardLayoutEngine> engine) {
if (instance_)
instance_->keyboard_layout_engine_.reset(engine.release());
else
new KeyboardLayoutEngineManager(engine.release());
}
KeyboardLayoutEngine* KeyboardLayoutEngineManager::GetKeyboardLayoutEngine() {
// TODO(kpschoedel): crbug.com/430194 This lazy initialization is a
// workaround for not yet initializing KeyboardLayoutEngineManager
// expliclity in all tests that need it.
if (!instance_)
new KeyboardLayoutEngineManager(new StubKeyboardLayoutEngine());
return instance_->keyboard_layout_engine_.get();
}
} // namespace ui
|
