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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 "ui/base/ime/chromeos/ime_bridge.h"
#include <map>
#include "base/logging.h"
#include "base/memory/singleton.h"
namespace chromeos {
static IMEBridge* g_ime_bridge = NULL;
// An implementation of IMEBridge.
class IMEBridgeImpl : public IMEBridge {
public:
IMEBridgeImpl()
: input_context_handler_(NULL),
engine_handler_(NULL),
candidate_window_handler_(NULL),
current_text_input_(ui::TEXT_INPUT_TYPE_NONE) {
}
virtual ~IMEBridgeImpl() {
}
// IMEBridge override.
virtual IMEInputContextHandlerInterface*
GetInputContextHandler() const override {
return input_context_handler_;
}
// IMEBridge override.
virtual void SetInputContextHandler(
IMEInputContextHandlerInterface* handler) override {
input_context_handler_ = handler;
}
// IMEBridge override.
virtual void SetCurrentEngineHandler(
IMEEngineHandlerInterface* handler) override {
engine_handler_ = handler;
}
// IMEBridge override.
virtual IMEEngineHandlerInterface* GetCurrentEngineHandler() const override {
return engine_handler_;
}
// IMEBridge override.
virtual IMECandidateWindowHandlerInterface* GetCandidateWindowHandler() const
override {
return candidate_window_handler_;
}
// IMEBridge override.
virtual void SetCandidateWindowHandler(
IMECandidateWindowHandlerInterface* handler) override {
candidate_window_handler_ = handler;
}
// IMEBridge override.
virtual void SetCurrentTextInputType(ui::TextInputType input_type) override {
current_text_input_ = input_type;
}
// IMEBridge override.
virtual ui::TextInputType GetCurrentTextInputType() const override {
return current_text_input_;
}
private:
IMEInputContextHandlerInterface* input_context_handler_;
IMEEngineHandlerInterface* engine_handler_;
IMECandidateWindowHandlerInterface* candidate_window_handler_;
ui::TextInputType current_text_input_;
DISALLOW_COPY_AND_ASSIGN(IMEBridgeImpl);
};
///////////////////////////////////////////////////////////////////////////////
// IMEBridge
IMEBridge::IMEBridge() {
}
IMEBridge::~IMEBridge() {
}
// static.
void IMEBridge::Initialize() {
if (!g_ime_bridge)
g_ime_bridge = new IMEBridgeImpl();
}
// static.
void IMEBridge::Shutdown() {
delete g_ime_bridge;
g_ime_bridge = NULL;
}
// static.
IMEBridge* IMEBridge::Get() {
return g_ime_bridge;
}
} // namespace chromeos
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