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// Copyright 2017 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 CHROME_BROWSER_VR_TEXT_INPUT_DELEGATE_H_
#define CHROME_BROWSER_VR_TEXT_INPUT_DELEGATE_H_
#include "base/callback.h"
#include "base/macros.h"
namespace vr {
struct TextInputInfo;
class TextInputDelegate {
public:
TextInputDelegate();
virtual ~TextInputDelegate();
// RequestFocusCallback gets called when an element requests focus.
typedef base::RepeatingCallback<void(int)> RequestFocusCallback;
// RequestUnfocusCallback gets called when an element requests unfocus.
typedef base::RepeatingCallback<void(int)> RequestUnfocusCallback;
// UpdateInputCallback gets called when the text input info changes for the
// element being edited.
typedef base::RepeatingCallback<void(const TextInputInfo&)>
UpdateInputCallback;
void SetRequestFocusCallback(const RequestFocusCallback& callback);
void SetRequestUnfocusCallback(const RequestUnfocusCallback& callback);
void SetUpdateInputCallback(const UpdateInputCallback& callback);
virtual void RequestFocus(int element_id);
virtual void RequestUnfocus(int element_id);
virtual void UpdateInput(const TextInputInfo& info);
private:
RequestFocusCallback request_focus_callback_;
RequestUnfocusCallback request_unfocus_callback_;
UpdateInputCallback update_input_callback_;
DISALLOW_COPY_AND_ASSIGN(TextInputDelegate);
};
} // namespace vr
#endif // CHROME_BROWSER_VR_TEXT_INPUT_DELEGATE_H_