#pragma region CPL License
/*
Nuclex Native Framework
Copyright (C) 2002-2013 Nuclex Development Labs

This library is free software; you can redistribute it and/or
modify it under the terms of the IBM Common Public License as
published by the IBM Corporation; either version 1.0 of the
License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
IBM Common Public License for more details.

You should have received a copy of the IBM Common Public
License along with this library
*/
#pragma endregion // CPL License

// If the library is compiled as a DLL, this ensures symbols are exported
#define NUCLEX_INPUT_SOURCE 1

#include "Nuclex/Input/Config.h"

#if defined(NUCLEX_INPUT_WINRT)

#include "WinRTMouse.h"

using namespace Windows::Foundation;
using namespace Windows::UI::Core;

namespace Nuclex { namespace Input { namespace Devices {

  // ------------------------------------------------------------------------------------------- //

  void WinRTMouse::SetLocked(bool locked /* = true */) {
    //this->lo
    //throw std::runtime_error("Not implemented yet");
  }

  // ------------------------------------------------------------------------------------------- //

  bool WinRTMouse::IsLocked() const {
    return false;
  }

  // ------------------------------------------------------------------------------------------- //

  void WinRTMouse::InjectButtonPress(
    Windows::UI::Core::CoreWindow ^sender, Windows::UI::Core::PointerEventArgs ^arguments
  ) {
    int pressedButtons = 0;

    if(arguments->CurrentPoint->Properties->IsLeftButtonPressed) {
      pressedButtons |= MouseButtons::Left;
    }
    if(arguments->CurrentPoint->Properties->IsMiddleButtonPressed) {
      pressedButtons |= MouseButtons::Middle;
    }
    if(arguments->CurrentPoint->Properties->IsRightButtonPressed) {
      pressedButtons |= MouseButtons::Right;
    }

    bufferCursorMovementIfPositionChanged(arguments);
    BufferedMouse::BufferButtonPress(static_cast<MouseButtons::Enum>(pressedButtons));
  }

  // ------------------------------------------------------------------------------------------- //
  
  void WinRTMouse::InjectButtonRelease(
    Windows::UI::Core::CoreWindow ^sender, Windows::UI::Core::PointerEventArgs ^arguments
  ) {
    int releasedButtons = 0;

    if(!arguments->CurrentPoint->Properties->IsLeftButtonPressed) {
      releasedButtons |= MouseButtons::Left;
    }
    if(!arguments->CurrentPoint->Properties->IsMiddleButtonPressed) {
      releasedButtons |= MouseButtons::Middle;
    }
    if(!arguments->CurrentPoint->Properties->IsRightButtonPressed) {
      releasedButtons |= MouseButtons::Right;
    }

    bufferCursorMovementIfPositionChanged(arguments);
    BufferedMouse::BufferButtonRelease(static_cast<MouseButtons::Enum>(releasedButtons));
  }

  // ------------------------------------------------------------------------------------------- //
  
  void WinRTMouse::InjectCursorMovement(
    Windows::UI::Core::CoreWindow ^sender, Windows::UI::Core::PointerEventArgs ^arguments
  ) {
    bufferCursorMovementIfPositionChanged(arguments);
  }

  // ------------------------------------------------------------------------------------------- //
  
  void WinRTMouse::InjectWheelRotation(
    Windows::UI::Core::CoreWindow ^sender, Windows::UI::Core::PointerEventArgs ^arguments
  ) {
    bufferCursorMovementIfPositionChanged(arguments);
    BufferWheelRotation(
      static_cast<float>(arguments->CurrentPoint->Properties->MouseWheelDelta)
    );
  }

  // ------------------------------------------------------------------------------------------- //

  void WinRTMouse::bufferCursorMovementIfPositionChanged(
    Windows::UI::Core::PointerEventArgs ^arguments
  ) {
    int newX = static_cast<int>(arguments->CurrentPoint->Position.X);
    int newY = static_cast<int>(arguments->CurrentPoint->Position.Y);

    bool wasMoved =
      (newX != this->cursorX) ||
      (newY != this->cursorY);

    if(wasMoved) {
      this->cursorX = newX;
      this->cursorY = newY;
      BufferCursorMovement(newX, newY);
    }
  }

  // ------------------------------------------------------------------------------------------- //

}}} // namespace Nuclex::Input::Devices

#endif // defined(NUCLEX_INPUT_WINRT)