/*
* cocos2d-x   http://www.cocos2d-x.org
*
* Copyright (c) 2010-2014 - cocos2d-x community
*
* Portions Copyright (c) Microsoft Open Technologies, 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.
*/

#pragma once

#include "OpenGLES.h"
#include "OpenGLESPage.g.h"
#include <memory>

#include "Cocos2dRenderer.h"

namespace cocos2d
{
    public ref class OpenGLESPage sealed
    {
    public:
        OpenGLESPage();
        virtual ~OpenGLESPage();

    internal:
        OpenGLESPage(OpenGLES* openGLES);

    private:
        void OnPageLoaded(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
        void OnVisibilityChanged(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::VisibilityChangedEventArgs^ args);
        void OnSwapChainPanelSizeChanged(Platform::Object^ sender, Windows::UI::Xaml::SizeChangedEventArgs^ e);
#if (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
        void OnBackButtonPressed(Platform::Object^ sender, Windows::Phone::UI::Input::BackPressedEventArgs^ args);
#endif
        void GetSwapChainPanelSize(GLsizei* width, GLsizei* height);
        void CreateRenderSurface();
        void DestroyRenderSurface();
        void RecoverFromLostDevice();
        void StartRenderLoop();
        void StopRenderLoop();

        OpenGLES* mOpenGLES;
        std::shared_ptr<cocos2d::Cocos2dRenderer> m_renderer;

        Windows::Foundation::Size mSwapChainPanelSize;
        Concurrency::critical_section mSwapChainPanelSizeCriticalSection;

        Windows::Foundation::Size mCustomRenderSurfaceSize;
        bool mUseCustomRenderSurfaceSize;

        EGLSurface mRenderSurface;     // This surface is associated with a swapChainPanel on the page
        Concurrency::critical_section mRenderSurfaceCriticalSection;
        Windows::Foundation::IAsyncAction^ mRenderLoopWorker;

        // Track user input on a background worker thread.
        Windows::Foundation::IAsyncAction^ m_inputLoopWorker;
        Windows::UI::Core::CoreIndependentInputSource^ m_coreInput;

        // Independent input handling functions.
        void OnPointerPressed(Platform::Object^ sender, Windows::UI::Core::PointerEventArgs^ e);
        void OnPointerMoved(Platform::Object^ sender, Windows::UI::Core::PointerEventArgs^ e);
        void OnPointerReleased(Platform::Object^ sender, Windows::UI::Core::PointerEventArgs^ e);

        void OnOrientationChanged(Windows::Graphics::Display::DisplayInformation^ sender, Platform::Object^ args);

        float m_dpi;
        bool m_deviceLost;
        Windows::Graphics::Display::DisplayOrientations m_orientation;

    };
}