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// 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 "athena/virtual_keyboard/public/virtual_keyboard_manager.h"
#include "athena/screen/public/screen_manager.h"
#include "athena/util/container_priorities.h"
#include "athena/util/fill_layout_manager.h"
#include "base/bind.h"
#include "base/memory/singleton.h"
#include "base/values.h"
#include "content/public/browser/browser_context.h"
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/layout_manager.h"
#include "ui/aura/window.h"
#include "ui/keyboard/keyboard.h"
#include "ui/keyboard/keyboard_constants.h"
#include "ui/keyboard/keyboard_controller.h"
#include "ui/keyboard/keyboard_controller_proxy.h"
#include "ui/keyboard/keyboard_util.h"
namespace athena {
namespace {
VirtualKeyboardManager* instance;
// A very basic and simple implementation of KeyboardControllerProxy.
class BasicKeyboardControllerProxy : public keyboard::KeyboardControllerProxy {
public:
BasicKeyboardControllerProxy(content::BrowserContext* context,
aura::Window* root_window)
: browser_context_(context), root_window_(root_window) {}
~BasicKeyboardControllerProxy() override {}
// keyboard::KeyboardControllerProxy:
virtual ui::InputMethod* GetInputMethod() override {
ui::InputMethod* input_method =
root_window_->GetProperty(aura::client::kRootWindowInputMethodKey);
return input_method;
}
virtual void RequestAudioInput(
content::WebContents* web_contents,
const content::MediaStreamRequest& request,
const content::MediaResponseCallback& callback) override {}
virtual content::BrowserContext* GetBrowserContext() override {
return browser_context_;
}
virtual void SetUpdateInputType(ui::TextInputType type) override {}
private:
content::BrowserContext* browser_context_;
aura::Window* root_window_;
DISALLOW_COPY_AND_ASSIGN(BasicKeyboardControllerProxy);
};
class VirtualKeyboardManagerImpl : public VirtualKeyboardManager {
public:
explicit VirtualKeyboardManagerImpl(content::BrowserContext* browser_context)
: browser_context_(browser_context), container_(nullptr) {
CHECK(!instance);
instance = this;
Init();
}
~VirtualKeyboardManagerImpl() override {
CHECK_EQ(this, instance);
instance = nullptr;
keyboard::KeyboardController::ResetInstance(nullptr);
}
private:
void Init() {
athena::ScreenManager::ContainerParams params("VirtualKeyboardContainer",
CP_VIRTUAL_KEYBOARD);
container_ = athena::ScreenManager::Get()->CreateContainer(params);
container_->SetLayoutManager(new FillLayoutManager(container_));
keyboard::KeyboardController* controller = new keyboard::KeyboardController(
new BasicKeyboardControllerProxy(browser_context_,
container_->GetRootWindow()));
// ResetInstance takes ownership.
keyboard::KeyboardController::ResetInstance(controller);
aura::Window* kb_container = controller->GetContainerWindow();
FillLayoutManager::SetAlwaysFill(kb_container);
container_->AddChild(kb_container);
}
content::BrowserContext* browser_context_;
aura::Window* container_;
DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardManagerImpl);
};
} // namespace
// static
VirtualKeyboardManager* VirtualKeyboardManager::Create(
content::BrowserContext* browser_context) {
CHECK(!instance);
keyboard::InitializeKeyboard();
keyboard::SetTouchKeyboardEnabled(true);
keyboard::InitializeWebUIBindings();
new VirtualKeyboardManagerImpl(browser_context);
CHECK(instance);
return instance;
}
VirtualKeyboardManager* VirtualKeyboardManager::Get() {
return instance;
}
void VirtualKeyboardManager::Shutdown() {
CHECK(instance);
delete instance;
CHECK(!instance);
}
} // namespace athena
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