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// Copyright (c) 2012 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 "chromeos/dbus/ibus/ibus_engine_service.h"
#include <string>
#include "base/bind.h"
#include "base/callback.h"
#include "chromeos/dbus/ibus/ibus_constants.h"
#include "chromeos/dbus/ibus/ibus_lookup_table.h"
#include "chromeos/dbus/ibus/ibus_property.h"
#include "chromeos/dbus/ibus/ibus_text.h"
#include "chromeos/ime/ibus_bridge.h"
namespace chromeos {
// An implementation of IBusEngineService without ibus-daemon interaction.
// Currently this class is used only on linux desktop.
// TODO(nona): Use this on ChromeOS device once crbug.com/171351 is fixed.
class IBusEngineServiceDaemonlessImpl : public IBusEngineService {
public:
IBusEngineServiceDaemonlessImpl() {}
virtual ~IBusEngineServiceDaemonlessImpl() {}
// IBusEngineService override.
virtual void SetEngine(IBusEngineHandlerInterface* handler) OVERRIDE {
IBusBridge::Get()->SetEngineHandler(handler);
}
// IBusEngineService override.
virtual void UnsetEngine(IBusEngineHandlerInterface* handler) OVERRIDE {
if (IBusBridge::Get()->GetEngineHandler() == handler)
IBusBridge::Get()->SetEngineHandler(NULL);
}
// IBusEngineService override.
virtual void UpdatePreedit(const IBusText& ibus_text,
uint32 cursor_pos,
bool is_visible,
IBusEnginePreeditFocusOutMode mode) OVERRIDE {
IBusInputContextHandlerInterface* input_context =
IBusBridge::Get()->GetInputContextHandler();
if (input_context)
input_context->UpdatePreeditText(ibus_text, cursor_pos, is_visible);
}
// IBusEngineService override.
virtual void UpdateAuxiliaryText(const IBusText& ibus_text,
bool is_visible) OVERRIDE {
IBusPanelCandidateWindowHandlerInterface* candidate_window =
IBusBridge::Get()->GetCandidateWindowHandler();
if (candidate_window)
candidate_window->UpdateAuxiliaryText(ibus_text.text(), is_visible);
}
// IBusEngineService override.
virtual void UpdateProperty(const IBusProperty& property) OVERRIDE {
IBusPanelPropertyHandlerInterface* property_handler =
IBusBridge::Get()->GetPropertyHandler();
if (property_handler)
property_handler->UpdateProperty(property);
}
// IBusEngineService override.
virtual void ForwardKeyEvent(uint32 keyval, uint32 keycode,
uint32 state) OVERRIDE {
IBusInputContextHandlerInterface* input_context =
IBusBridge::Get()->GetInputContextHandler();
if (input_context)
input_context->ForwardKeyEvent(keyval, keycode, state);
}
// IBusEngineService override.
virtual void RequireSurroundingText() OVERRIDE {
// Do nothing.
}
// IBusEngineService override.
virtual void CommitText(const std::string& text) OVERRIDE {
IBusInputContextHandlerInterface* input_context =
IBusBridge::Get()->GetInputContextHandler();
if (input_context) {
IBusText ibus_text;
ibus_text.set_text(text);
input_context->CommitText(ibus_text);
}
}
// IBusEngineService override.
virtual void DeleteSurroundingText(int32 offset, uint32 length) OVERRIDE {
IBusInputContextHandlerInterface* input_context =
IBusBridge::Get()->GetInputContextHandler();
if (input_context)
input_context->DeleteSurroundingText(offset, length);
}
private:
DISALLOW_COPY_AND_ASSIGN(IBusEngineServiceDaemonlessImpl);
};
IBusEngineService::IBusEngineService() {
}
IBusEngineService::~IBusEngineService() {
}
// static
IBusEngineService* IBusEngineService::Create() {
return new IBusEngineServiceDaemonlessImpl();
}
} // namespace chromeos
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