ES-DE/es-core/src/components/VideoComponent.h

#pragma once
#ifndef ES_CORE_COMPONENTS_VIDEO_COMPONENT_H
#define ES_CORE_COMPONENTS_VIDEO_COMPONENT_H

#include "platform.h"
#include GLHEADER

#include "GuiComponent.h"
#include "ImageComponent.h"
#include <string>
#include <memory>
#include <SDL.h>
#include <SDL_mutex.h>
#include <boost/filesystem.hpp>

std::string	getTitlePath();
std::string	getTitleFolder();
void writeSubtitle(const char* gameName, const char* systemName, bool always);

class VideoComponent : public GuiComponent
{
	// Structure that groups together the configuration of the video component
	struct Configuration
	{
		unsigned						startDelay;
		bool							showSnapshotNoVideo;
		bool							showSnapshotDelay;
		std::string						defaultVideoPath;
	};

public:
	VideoComponent(Window* window);
	virtual ~VideoComponent();

	// Loads the video at the given filepath
	bool setVideo(std::string path);
	// Loads a static image that is displayed if the video cannot be played
	void setImage(std::string path);

	// Configures the component to show the default video
	void setDefaultVideo();

	// sets whether it's going to render in screensaver mode
	void setScreensaverMode(bool isScreensaver);

	virtual void onShow() override;
	virtual void onHide() override;
	virtual void onScreenSaverActivate() override;
	virtual void onScreenSaverDeactivate() override;
	virtual void topWindow(bool isTop) override;

	void onOriginChanged() override;
	void onSizeChanged() override;
	void setOpacity(unsigned char opacity) override;

	void render(const Transform4x4f& parentTrans) override;
	void renderSnapshot(const Transform4x4f& parentTrans);

	virtual void applyTheme(const std::shared_ptr<ThemeData>& theme, const std::string& view, const std::string& element, unsigned int properties) override;

	virtual std::vector<HelpPrompt> getHelpPrompts() override;

	virtual void update(int deltaTime);

	// Resize the video to fit this size. If one axis is zero, scale that axis to maintain aspect ratio.
	// If both are non-zero, potentially break the aspect ratio.  If both are zero, no resizing.
	// Can be set before or after a video is loaded.
	// setMaxSize() and setResize() are mutually exclusive.
	virtual void setResize(float width, float height) = 0;
	inline void setResize(const Vector2f& size) { setResize(size.x(), size.y()); }

	// Resize the video to be as large as possible but fit within a box of this size.
	// Can be set before or after a video is loaded.
	// Never breaks the aspect ratio. setMaxSize() and setResize() are mutually exclusive.
	virtual void setMaxSize(float width, float height) = 0;
	inline void setMaxSize(const Vector2f& size) { setMaxSize(size.x(), size.y()); }

private:
	// Start the video Immediately
	virtual void startVideo() = 0;
	// Stop the video
	virtual void stopVideo() { };
	// Handle looping the video. Must be called periodically
	virtual void handleLooping();

	// Start the video after any configured delay
	void startVideoWithDelay();

	// Handle any delay to the start of playing the video clip. Must be called periodically
	void handleStartDelay();

	// Manage the playing state of the component
	void manageState();

protected:
	unsigned						mVideoWidth;
	unsigned						mVideoHeight;
	Vector2f					mTargetSize;
	std::shared_ptr<TextureResource> mTexture;
	float							mFadeIn;
	std::string						mStaticImagePath;
	ImageComponent					mStaticImage;

	boost::filesystem::path			mVideoPath;
	boost::filesystem::path			mPlayingVideoPath;
	bool							mStartDelayed;
	unsigned						mStartTime;
	bool							mIsPlaying;
	bool							mShowing;
	bool							mDisable;
	bool							mScreensaverActive;
	bool							mScreensaverMode;
	bool							mTargetIsMax;

	Configuration					mConfig;
};

#endif // ES_CORE_COMPONENTS_VIDEO_COMPONENT_H