src/cobalt/system_window/starboard/system_window.h

/*
 * Copyright 2015 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef COBALT_SYSTEM_WINDOW_STARBOARD_SYSTEM_WINDOW_H_
#define COBALT_SYSTEM_WINDOW_STARBOARD_SYSTEM_WINDOW_H_

#include "base/compiler_specific.h"
#include "cobalt/system_window/keyboard_event.h"
#include "cobalt/system_window/system_window.h"
#include "starboard/event.h"
#include "starboard/input.h"
#include "starboard/key.h"
#include "starboard/system.h"

namespace cobalt {
namespace system_window {

class SystemWindowStarboard : public SystemWindow {
 public:
  explicit SystemWindowStarboard(base::EventDispatcher* event_dispatcher);
  SystemWindowStarboard(base::EventDispatcher* event_dispatcher,
                        const math::Size& window_size);
  ~SystemWindowStarboard() OVERRIDE;

  math::Size GetWindowSize() const OVERRIDE;

  // Returns a handle to the Starboard window object.
  SbWindow GetSbWindow();

  // Gets the platform-specific window handle as a void*.
  void* GetWindowHandle();

  // Handles a single Starboard input event, dispatching any appropriate events.
  void HandleInputEvent(const SbInputData& data);

  // Raises a system dialog.
  void ShowDialog(const SystemWindow::DialogOptions& options) OVERRIDE;

  // Called when the user closes the dialog.
  void HandleDialogClose(SbSystemPlatformErrorResponse response);

 private:
  void UpdateModifiers(SbKey key, bool pressed);
  KeyboardEvent::Modifiers GetModifiers();

  SbWindow window_;

  bool key_down_;

  // The current dialog callback. Only one dialog may be open at a time.
  DialogCallback current_dialog_callback_;
};

// The Starboard Event handler SbHandleEvent should call this function on
// unrecognized events. It will extract Input events and dispatch them to the
// appropriate SystemWindow for further routing.
void HandleInputEvent(const SbEvent* event);

}  // namespace system_window
}  // namespace cobalt

#endif  // COBALT_SYSTEM_WINDOW_STARBOARD_SYSTEM_WINDOW_H_