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// Copyright 2018 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.
#ifndef UI_BASE_IME_FUCHSIA_INPUT_METHOD_FUCHSIA_H_
#define UI_BASE_IME_FUCHSIA_INPUT_METHOD_FUCHSIA_H_
#include <fuchsia/ui/input/cpp/fidl.h>
#include <lib/fidl/cpp/binding.h>
#include <lib/ui/scenic/cpp/view_ref_pair.h>
#include <memory>
#include "base/component_export.h"
#include "base/macros.h"
#include "ui/base/ime/fuchsia/virtual_keyboard_controller_fuchsia.h"
#include "ui/base/ime/input_method_base.h"
#include "ui/base/ime/input_method_delegate.h"
#include "ui/events/fuchsia/input_event_dispatcher.h"
#include "ui/events/fuchsia/input_event_dispatcher_delegate.h"
#include "ui/gfx/native_widget_types.h"
namespace ui {
// Handles input from physical keyboards and the IME service.
class COMPONENT_EXPORT(UI_BASE_IME_FUCHSIA) InputMethodFuchsia
: public InputMethodBase,
public InputEventDispatcherDelegate,
public fuchsia::ui::input::InputMethodEditorClient {
public:
InputMethodFuchsia(internal::InputMethodDelegate* delegate,
fuchsia::ui::views::ViewRef view_ref);
~InputMethodFuchsia() override;
fuchsia::ui::input::ImeService* ime_service() const {
return ime_service_.get();
}
// InputMethodBase interface implementation.
VirtualKeyboardController* GetVirtualKeyboardController() override;
ui::EventDispatchDetails DispatchKeyEvent(ui::KeyEvent* event) override;
void OnCaretBoundsChanged(const TextInputClient* client) override;
void CancelComposition(const TextInputClient* client) override;
bool IsCandidatePopupOpen() const override;
void OnFocus() override;
void OnBlur() override;
private:
// Establishes a connection to the input service and starts receiving input
// events from hard and soft keyboards.
void ConnectInputService();
// Terminates the connection to the input services, which stops receiving
// input events.
void DisconnectInputService();
// InputEventDispatcherDelegate interface implementation.
void DispatchEvent(ui::Event* event) override;
// InputMethodEditorClient interface implementation.
void DidUpdateState(
fuchsia::ui::input::TextInputState state,
std::unique_ptr<fuchsia::ui::input::InputEvent> input_event) override;
void OnAction(fuchsia::ui::input::InputMethodAction action) override;
InputEventDispatcher event_converter_;
fidl::Binding<fuchsia::ui::input::InputMethodEditorClient>
ime_client_binding_;
fuchsia::ui::input::ImeServicePtr ime_service_;
fuchsia::ui::input::InputMethodEditorPtr ime_;
fuchsia::ui::input::ImeVisibilityServicePtr ime_visibility_;
VirtualKeyboardControllerFuchsia virtual_keyboard_controller_;
DISALLOW_COPY_AND_ASSIGN(InputMethodFuchsia);
};
} // namespace ui
#endif // UI_BASE_IME_FUCHSIA_INPUT_METHOD_FUCHSIA_H_
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