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// Copyright 2016 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 "ash/keyboard/keyboard_ui.h"
#include "ash/accessibility_delegate.h"
#include "ash/keyboard/keyboard_ui_observer.h"
#include "ash/shell.h"
#include "ash/system/tray/system_tray_notifier.h"
#include "ash/system/tray_accessibility.h"
#include "ui/keyboard/keyboard_controller.h"
namespace ash {
class KeyboardUIImpl : public KeyboardUI, public AccessibilityObserver {
public:
KeyboardUIImpl() {
// The Shell may not exist in some unit tests.
Shell::GetInstance()->system_tray_notifier()->AddAccessibilityObserver(
this);
}
~KeyboardUIImpl() override {}
// KeyboardUI:
void Show() override {
keyboard::KeyboardController::GetInstance()->ShowKeyboard(true);
}
void Hide() override {
// Do nothing as this is called from ash::Shell, which also calls through
// to the appropriate keyboard functions.
}
bool IsEnabled() override {
return Shell::GetInstance()
->accessibility_delegate()
->IsVirtualKeyboardEnabled();
}
// AccessibilityObserver:
void OnAccessibilityModeChanged(
ui::AccessibilityNotificationVisibility notify) override {
FOR_EACH_OBSERVER(KeyboardUIObserver, *observers(),
OnKeyboardEnabledStateChanged(IsEnabled()));
}
private:
DISALLOW_COPY_AND_ASSIGN(KeyboardUIImpl);
};
KeyboardUI::~KeyboardUI() {}
// static
scoped_ptr<KeyboardUI> KeyboardUI::Create() {
return make_scoped_ptr(new KeyboardUIImpl);
}
void KeyboardUI::AddObserver(KeyboardUIObserver* observer) {
observers_.AddObserver(observer);
}
void KeyboardUI::RemoveObserver(KeyboardUIObserver* observer) {
observers_.RemoveObserver(observer);
}
KeyboardUI::KeyboardUI() {}
} // namespace ash
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