cocos-enhance-kit/cocos2d-x/cocos/platform/CCApplication.h

/****************************************************************************
 Copyright (c) 2013-2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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****************************************************************************/
#pragma once

#include <string>
#include <memory>
#include "base/ccMacros.h"
#include "platform/CCPlatformConfig.h"
#include "platform/CCPlatformDefine.h"
#include "base/CCRenderTexture.h"

NS_CC_BEGIN

class Scheduler;

/**
 * @addtogroup platform
 * @{
 */

class CC_DLL Application
{
public:
    
    /** Since WINDOWS and ANDROID are defined as macros, we could not just use these keywords in enumeration(Platform).
     *  Therefore, 'OS_' prefix is added to avoid conflicts with the definitions of system macros.
     */
    enum class Platform
    {
        WINDOWS,     /**< Windows */
        LINUX,       /**< Linux */
        MAC,         /**< Mac OS X*/
        ANDROIDOS,   /**< Android, because ANDROID is a macro, so use ANDROIDOS instead */
        IPHONE,      /**< iPhone */
        IPAD,        /**< iPad */
    };
    
    enum class LanguageType
    {
        ENGLISH = 0,
        CHINESE,
        FRENCH,
        ITALIAN,
        GERMAN,
        SPANISH,
        DUTCH,
        RUSSIAN,
        KOREAN,
        JAPANESE,
        HUNGARIAN,
        PORTUGUESE,
        ARABIC,
        NORWEGIAN,
        POLISH,
        TURKISH,
        UKRAINIAN,
        ROMANIAN,
        BULGARIAN
    };
    
    enum class PixelFormat
    {
        RGB8,
        RGB565,
        RGBA8
    };
    
    enum class DepthFormat
    {
        NONE,                   // no depth and no stencil
        DEPTH_COMPONENT16,
        DEPTH_COMPONENT24,
        DEPTH_COMPONENT32F,
        DEPTH24_STENCIL8,
        DEPTH32F_STENCIL8,
        STENCIL_INDEX8
    };
    
    // This class is useful for internal usage.
    static Application* getInstance() { return _instance; }
    
    Application(const std::string& name, int width, int height);
    virtual ~Application();
    
    virtual bool applicationDidFinishLaunching();
    virtual void onPause();
    virtual void onResume();
    
    inline void* getView() const { return _view; }
    inline std::shared_ptr<Scheduler> getScheduler() const { return _scheduler; }
    inline RenderTexture* getRenderTexture() const { return _renderTexture; }
    
    void runOnMainThread();
    
    void start();
    void restart();
    void end();

    /**
     * @brief Sets the preferred frame rate for main loop callback.
     * @param fps The preferred frame rate for main loop callback.
     */
    void setPreferredFramesPerSecond(int fps);
    
    void setMultitouch(bool value);
    
    /**
     @brief Get current language config.
     @return Current language config.
     */
    LanguageType getCurrentLanguage() const;
    
    /**
     @brief Get current language iso 639-1 code.
     @return Current language iso 639-1 code.
     */
    std::string getCurrentLanguageCode() const;
    
    const cocos2d::Vec2& getViewSize() const;
    void updateViewSize(int width, int height);

    /**
     @brief Get current display stats.
     @return bool, is displaying stats or not.
     */
    bool isDisplayStats();

    /**
     @brief set display stats information.
     */
    void setDisplayStats(bool isShow);

    void setDevicePixelRatio(uint8_t ratio)
    {
        if (ratio <= 1)
            return;
        
        _devicePixelRatio = ratio;
        _isDownsampleEnabled = true;
        _renderTexture->init(ratio);
    }
    inline uint8_t getDevicePixelRatio() const { return _devicePixelRatio; }
    inline bool isDownsampleEnabled() const { return _isDownsampleEnabled; }
    
    /** The value is (framebuffer size) / (window size), but on iOS, it is special, its value is 1.
     */
    float getScreenScale() const;
    
    GLint getMainFBO() const;
    
    /**
     @brief Get target platform.
     */
    Platform getPlatform() const;
    
    /**
     @brief Open url in default browser.
     @param String with url to open.
     @return True if the resource located by the URL was successfully opened; otherwise false.
     */
    bool openURL(const std::string &url);

    void copyTextToClipboard(const std::string &text);

    std::string getSystemVersion();
    
protected:
    virtual void onCreateView(PixelFormat& pixelformat, DepthFormat& depthFormat, int& multisamplingCount);
    
private:
    void createView(const std::string& name, int width, int height);
    
    static Application* _instance;
    static std::shared_ptr<Scheduler> _scheduler;
    
    void* _view = nullptr;
    void* _delegate = nullptr;
    RenderTexture* _renderTexture = nullptr;
    int _fps = 60;
    GLint _mainFBO = 0;

    // The ratio to downsample, for example, if its value is 2,
    // then the rendering size of render texture is device_resolution/2.
    uint8_t _devicePixelRatio = 1;
    bool _multiTouch = false;
    bool _isStarted = false;
    bool _isDownsampleEnabled = false;

    cocos2d::Vec2 _viewSize;
};

// end of platform group
/** @} */

NS_CC_END