axmol/cocos/ui/UIVideoPlayer.h

/****************************************************************************
 Copyright (c) 2014-2016 Chukong Technologies Inc.

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#ifndef __COCOS2D_UI_VIDEOWEIGTH_H_
#define __COCOS2D_UI_VIDEOWEIGTH_H_

#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID || CC_TARGET_PLATFORM == CC_PLATFORM_IOS || CC_TARGET_PLATFORM == CC_PLATFORM_TIZEN) && !defined(CC_PLATFORM_OS_TVOS)

#include "ui/UIWidget.h"

/**
 * @addtogroup ui
 * @{
 */

NS_CC_BEGIN
namespace experimental{
    namespace ui{

        /**
         * @class VideoPlayer
         * @brief Displays a video file.
         * 
         * @note VideoPlayer displays a video file base on system widget.
         * It's mean VideoPlayer displays a video file above all graphical elements of cocos2d-x.
         * @js NA
         */
        class VideoPlayer : public cocos2d::ui::Widget
        {
        public:
            /**
             * Videoplayer play event type.
             */
            enum class EventType
            {
                PLAYING = 0,
                PAUSED,
                STOPPED,
                COMPLETED
            };

            /**
             * A callback which will be called after specific VideoPlayer event happens.
             */
            typedef std::function<void(Ref*,VideoPlayer::EventType)> ccVideoPlayerCallback;

            /**
             *Static create method for instancing a VideoPlayer.
             */
            CREATE_FUNC(VideoPlayer);

            /**
             * Sets a file path as a video source for VideoPlayer.
             */
            virtual void setFileName(const std::string& videoPath);
            
            /**
             * @brief Get the local video file name.
             *
             * @return The video file name.
             */
            virtual const std::string& getFileName() const { return _videoURL;}

            /**
             * Sets a URL as a video source for VideoPlayer.
             */
            virtual void setURL(const std::string& _videoURL);

            
            /**
             * @brief Get the URL of remoting video source.
             *
             * @return A remoting URL address.
             */
            virtual const std::string& getURL() const { return _videoURL;}

            /**
             * Starts playback.
             */
            virtual void play();

            /**
             * Pauses playback.
             */
            virtual void pause()override;

            /**
             * Resumes playback.
             */
            virtual void resume()override;

            /**
             * Stops playback.
             */
            virtual void stop();

            /**
             * Seeks to specified time position.
             *
             * @param sec   The offset in seconds from the start to seek to.
             */
            virtual void seekTo(float sec);

            /**
             * Checks whether the VideoPlayer is playing.
             *
             * @return True if currently playing, false otherwise.
             */
            virtual bool isPlaying() const;

            /**
             * Causes the video player to keep aspect ratio or no when displaying the video.
             *
             * @param enable    Specify true to keep aspect ratio or false to scale the video until 
             * both dimensions fit the visible bounds of the view exactly.
             */
            virtual void setKeepAspectRatioEnabled(bool enable);

            /**
             * Indicates whether the video player keep aspect ratio when displaying the video.
             */
            virtual bool isKeepAspectRatioEnabled()const { return _keepAspectRatioEnabled;}

            /**
             * Causes the video player to enter or exit full-screen mode.
             * 
             * @param fullscreen    Specify true to enter full-screen mode or false to exit full-screen mode.
             */
            virtual void setFullScreenEnabled(bool fullscreen);

            /**
             * Indicates whether the video player is in full-screen mode.
             *
             * @return True if the video player is in full-screen mode, false otherwise.
             */
            virtual bool isFullScreenEnabled()const;

            /**
             * Register a callback to be invoked when the video state is updated.
             *
             * @param callback  The callback that will be run.
             */
            virtual void addEventListener(const VideoPlayer::ccVideoPlayerCallback& callback);
            
            /**
             * @brief A function which will be called when video is playing.
             *
             * @param event @see VideoPlayer::EventType.
             
             */
            virtual void onPlayEvent(int event);
            virtual void setVisible(bool visible) override;
            virtual void draw(Renderer *renderer, const Mat4& transform, uint32_t flags) override;
            virtual void onEnter() override;
            virtual void onExit() override;

        protected:
            virtual cocos2d::ui::Widget* createCloneInstance() override;
            virtual void copySpecialProperties(Widget* model) override;
            
        CC_CONSTRUCTOR_ACCESS:
            VideoPlayer();
            virtual ~VideoPlayer();

        protected:
#if CC_VIDEOPLAYER_DEBUG_DRAW
            DrawNode *_debugDrawNode;
#endif

            enum class Source
            {
                FILENAME = 0,
                URL
            };

            bool _isPlaying;
            bool _fullScreenDirty;
            bool _fullScreenEnabled;
            bool _keepAspectRatioEnabled;

            std::string _videoURL;
            Source _videoSource;

            int _videoPlayerIndex;
            ccVideoPlayerCallback _eventCallback;

            void* _videoView;
        };
    }
}

NS_CC_END
// end group
/// @}
#endif
#endif