MSO7000X/Uni-Trend.MSO7000X.Touch.ManupulationHelper/ManipulationHelper.h

#pragma once

#include "ManipulationEventSink.h"

namespace ManipulationHelper
{
	/// <summary>
	/// 操作帮助器,用来直接面相用户的接口.封装了对ManipulationEventSink(_IManipulationEvents)和IManipulationProcessor的操作;
	/// </summary>
	class ManipulationHelper
	{
	public:

		/// <summary>
		/// 构造函数
		/// </summary>
		/// <param name="">帮助器绑定的控件的窗口句柄</param>
		ManipulationHelper(HWND);
		~ManipulationHelper();

		/// <summary>
		/// 封装的IManipulationProcessor的ProcessDown方法;实现用户把Touch消息(TouchDown)的相关内容放入Processor里面;
		/// </summary>
		/// <param name="manipulatorId">Touch消息对应的操作ID</param>
		/// <param name="x">Touch消息触点的X坐标(屏幕坐标系)</param>
		/// <param name="y">Touch消息触点的Y坐标(屏幕坐标系)</param>
		/// <returns></returns>
		int ProcessDown(MANIPULATOR_ID manipulatorId, FLOAT x, FLOAT y);

		//封装的IManipulationProcessor的ProcessMove方法;实现用户把Touch消息(TouchMove)的相关内容放入Processor里面;
		int ProcessMove(MANIPULATOR_ID manipulatorId, FLOAT x, FLOAT y);

		//封装的IManipulationProcessor的ProcessUp方法;实现用户把Touch消息(TouchUp)的相关内容放入Processor里面;
		int ProcessUp(MANIPULATOR_ID manipulatorId, FLOAT x, FLOAT y);

		/// <summary>
		/// 设置_IManipulationEvents的ManipulationStarted接口回调函数(委托)
		/// </summary>
		/// <param name="">回调函数指针</param>
		void SetManipulationStartedCallBack(ManipulationStartedCallBack);

		// 设置_IManipulationEvents的ManipulationDelta接口回调函数(委托)
		void SetManipulationDeltaCallBack(ManipulationDeltaCallBack);

		// 设置_IManipulationEvents的ManipulationCompleted接口回调函数(委托)
		void SetManipulationCompletedCallBack(ManipulationCompletedCallBack);

		//是否初始化Ok的标志;主要用作表示构造函数是否初始化完整;
		BOOL InitOkFlag = false;

	private:
		//初始化各主要成员的实例
		BOOL InitInstance();

		//实现_IManipulationEvents接口的成员;用来处理IManipulationProcessor生成的触摸操作事件;
		ManipulationEventSink* m_pManipulationEventSink = NULL;

		//Com组件的IManipulationProcessor实例成员;
		IManipulationProcessor* m_pIManipProc = NULL;
		
		//帮助器绑定的控件的窗口句柄
		HWND m_wndHandle = NULL;
	};
}