linux_door/jni/core/CPullWindow/CPullWindow.cpp

/*
 * CPullWindow.cpp
 *
 *  Created on: 2021年3月30日
 *      Author: Administrator
 */
#include "CPullWindow.h"

#include "entry/EasyUIContext.h"

#define TURN_PAGE_MIN_SPEED		0.0001
#define WFILE "CPullWindow.cpp"

CPullWindow::CPullWindow() :
		isDownPull(false),
		isRegistered(false),
		isCanMove(false),
		mHasDown(false),
		mIsRolling(false),
		mCurRollSpeed(CPullWindow_ROLL_SPEED),
		mRollSpeed(CPullWindow_ROLL_SPEED),
		mBase(NULL),
		mStartDownTime(0){

	isFuncMove = false;

	isTextView1GraymaskShow = false;
	mBaseColor = NULL;
}

void CPullWindow::resetPage(){
	mStartDownTime = 0;
	mRollSpeed = CPullWindow_ROLL_SPEED;

	mCurRollSpeed = CPullWindow_ROLL_SPEED;
	isTextView1GraymaskShow = false;
	mIsRolling = false;
	mHasDown  = false;
	mBase = NULL;
	isRegistered = false;
	isCanMove = false;
	isFuncMove = false;
	mBaseColor = NULL;
}

LayoutPosition CPullWindow::getPosition(){
	if(mBase){
		return mBase->getPosition();
	}else{
		return LayoutPosition();
	}
}

/// 下拉状态栏，设置透明度
void CPullWindow::setBottomWindowColor(ZKBase* pBaseColor){
	if(pBaseColor){

		mBaseColor = pBaseColor;
	}else if(!mBaseColor){

		return;
	}

#define TEXT_WIDTH 480


	float rate_pos =   \
			(float)((abs(getPosition().mTop + TEXT_WIDTH))%(TEXT_WIDTH + 1))/(float)(TEXT_WIDTH);

	unsigned int colorBack = (unsigned int)((double)(rate_pos)  * (double)(0xFF000000)) & 0xFF000000;

	if(WBETWEEN_PullWindow((float)((abs(getPosition().mTop + TEXT_WIDTH))%(TEXT_WIDTH + 1)),0,340)){
		mBaseColor->setBackgroundColor(colorBack);
	}



#if 0
	WLOGD_lf("彩色值",WDOUBLE(0xFF000000))

	LOGD("比率：%f = %f/%f\n",
			rate_pos,
			WFLOAT((WABS(UIMANAGER->mCPullWindow.getDy() + TEXT_WIDTH))%(TEXT_WIDTH + 1)),
			WFLOAT(TEXT_WIDTH)
			);

	LOGD("结果：%u(%x) = (%lf * %lf) & 0xFF000000\n",
			colorBack,
			colorBack,
			WDOUBLE(rate_pos),
			WDOUBLE(0xFF000000));


	LOGD("结果：%u(%x) = Dy(%d) (%d)\n",
			colorBack,
			colorBack,
			UIMANAGER->mCPullWindow.getDy(),
			(WABS(UIMANAGER->mCPullWindow.getDy() + TEXT_WIDTH))
			);
#endif
}


void CPullWindow::onCPullWindow_init(ZKBase *pBase){

	if(mBase){
		setBottomWindowColor();
	}

	if(pBase){

		mBase = pBase;
	}else if(!mBase){
		LOGD("\n\n\n######:%s(%d),impossible\n",WFILE,__LINE__);

		LOGD("****:%s(%d):%s(%s)\n",WFILE,__LINE__,"setPage() error","pBase == NULL");

		return;
	}
	LayoutPosition pos = mBase->getPosition();
	pos.mTop = -pos.mHeight;
	mBase->setPosition(pos);
	isTextView1GraymaskShow = false;

}

// 移动函数
void CPullWindow::movePage(int dy){
	if(!mBase){

		LOGD("\n\n\n######:%s(%d),impossible\n",WFILE,__LINE__);

		LOGD("****:%s(%d):%s(%s)\n",WFILE,__LINE__,"movePage() error","mBase == NULL");
		return;
	}
	LayoutPosition lp = mBase->getPosition();
	//LOGD("i=%d,lp.mTop = %d,dy = %d   ,return\n",i,lp.mTop,dy);
	if (lp.mTop == dy) {
		return;
	}
	// 移动当前的一页
	lp.mTop = dy;
	//LOGD("####:dy(%d)(%d,%d,%d,%d)\n",dy,lp.mLeft,lp.mTop,lp.mWidth,lp.mHeight);
	//上滑时，不允许下拉过多
	if(!isDownPull && lp.mTop <=0)
		mBase->setPosition(lp);
	else if(isDownPull)
		mBase->setPosition(lp);
}

// 判断，是否去滑动
bool CPullWindow::needToRoll() const{
	if (!mBase) {
		return false;
	}
	return isFuncMove || (mBase->getPosition().mTop != 0 && mBase->getPosition().mTop != -mBase->getPosition().mHeight);
}

void CPullWindow::setBaseUpMove(){
	if (!mBase || isRunning()) {
		if(!mBase){

			LOGD("\n\n\n######:%s(%d),impossible\n",WFILE,__LINE__);

			LOGD("****:%s(%d):%s(%s)\n",WFILE,__LINE__,"setBaseDownMove() error","mBase == NULL");
		}
		return;
	}
	isFuncMove = true;


	mCurRollSpeed = -mRollSpeed;

	run();
}

void CPullWindow::setBaseDownMove(){
	if (!mBase || isRunning()) {
		if(!mBase){

			LOGD("\n\n\n######:%s(%d),impossible\n",WFILE,__LINE__);

			LOGD("****:%s(%d):%s(%s)\n",WFILE,__LINE__,"setBaseDownMove() error","mBase == NULL");
		}
		return;
	}

	isFuncMove = true;
	mCurRollSpeed = mRollSpeed;

	run();
}

// 通过滑动判断左移还是右移动
bool CPullWindow::onTouchEvent(const MotionEvent &ev) {
	if (!mBase || mIsRolling) {
		return false;
	}

	switch (ev.mActionStatus) {
		case MotionEvent::E_ACTION_DOWN:
			if ((mBase->getPosition().mTop == -mBase->getPosition().mHeight
					&& WBETWEEN_PullWindow(ev.mY,CPullWindow_Pull_Top,CPullWindow_Pull_High))
					|| !mBase->getPosition().mTop) {
				mDownPoint.x = ev.mX;
				mDownPoint.y = ev.mY;
				mHasDown = true;
				isCanMove = false;
				mStartDownTime = clock();
				if((mBase->getPosition().mTop == -mBase->getPosition().mHeight
						&& WBETWEEN_PullWindow(ev.mY,CPullWindow_Pull_Top,CPullWindow_Pull_High))){
					isDownPull = true;
//					LOGD_LINE("可能准备下拉")
				}else if(!mBase->getPosition().mTop){
//					LOGD_LINE("可能准备上滑")
					isDownPull = false;
				}else{
//					LOGD_LINE("无法滑动状态栏")
					mHasDown = false;
				}
			}else{
//				LOGD_LINE("无法滑动状态栏")
				mHasDown = false;
			}
			break;

		case MotionEvent::E_ACTION_MOVE: {
			if (!mHasDown) {
				return false;
			}else if(!isCanMove && ((!isDownPull &&  ev.mY - mDownPoint.y < -20) || (isDownPull &&  ev.mY - mDownPoint.y > 20))){
				isCanMove = true;

				//LOGD("####:差值(%d),滑动(%d),downPoint(%d)\n",abs(ev.mY - mDownPoint.y),ev.mY,mDownPoint.y);
				mDownPoint.x = ev.mX;
				mDownPoint.y = ev.mY;

//				UIMANAGER->setStatusBarMove(false);

//				LOGD_s("准备下拉栏")

				return isCanMove;
			}else if(!isCanMove){
				//LOGD("差值(%d),滑动(%d),downPoint(%d)\n",abs(ev.mY - mDownPoint.y),ev.mY,mDownPoint.y);
				return isCanMove;
			}

			//LOGD("****:PullDownWindow:滑动\n");
			int dy = ev.mY - mDownPoint.y;
			//LOGD("dy(%d)\n",dy);
			if(isDownPull)
				movePage(-mBase->getPosition().mHeight + dy);
			else
				movePage(dy);
			// 用于计算滑动速度
			mVelocityTracker.addMovement(ev);


			setBottomWindowColor();

			break;
		}

		case MotionEvent::E_ACTION_UP:
		case MotionEvent::E_ACTION_CANCEL: {  // 抬手判断 向左滑动还是向右滑动
			if (!mHasDown || !isCanMove) {
				mHasDown = false;
				return false;
			}

			mUpPoint.x = ev.mX;
			mUpPoint.y = ev.mY;
			mHasDown   = false;
			isCanMove = false;
			float speed = mVelocityTracker.getYVelocity();  // 获取y移动速度
			//LOGD("滑速(%f)\n",speed);

			//下滑
			if (isDownPull && ((mUpPoint.y - mDownPoint.y > mBase->getPosition().mHeight / 3) ||
					(speed > TURN_PAGE_MIN_SPEED))) {
				mCurRollSpeed = mRollSpeed;
				//LOGD("####下滑:滑速(%d)\n",mCurRollSpeed);
			//上滑
			} else if (!isDownPull && ((mUpPoint.y - mDownPoint.y < -mBase->getPosition().mHeight / 3) ||
					(speed < -TURN_PAGE_MIN_SPEED))) {
				mCurRollSpeed = -mRollSpeed;
				//LOGD("####上滑:滑速(%d)\n",mCurRollSpeed);
			//回滚
			} else {
				//向下
				mCurRollSpeed = isDownPull ? -mRollSpeed : mRollSpeed;
				//LOGD("####回滚:滑速(%d)\n",mCurRollSpeed);
			}

			mVelocityTracker.reset();
			if (needToRoll()) {   // 可以运行就启动计时器
				//LOGD("启动定时器,speed(%f),downY(%d),upY(%d)\n",speed,mDownPoint.y,mUpPoint.y);
				mIsRolling = true;
				if(!isRunning()){
					run();
				}

				isTextView1GraymaskShow = true;

			}

			break;
		}
		case MotionEvent::E_ACTION_NONE:
		default:
			break;
	}

	return false;
}

bool CPullWindow::threadLoop() {

		if(!mBase){

			LOGD("\n\n\n######:%s(%d),impossible\n",WFILE,__LINE__);

			LOGD("****:%s(%d):%s(%s)\n",WFILE,__LINE__,"threadLoop() error","mBase == NULL");

			mIsRolling = false;
			isRegistered = false;
			isTextView1GraymaskShow = false;

			setBottomWindowColor();

			return false;
		}

		LayoutPosition lp = mBase->getPosition();
		int dy = lp.mTop + mCurRollSpeed;
		if (needToRoll()) {
			if (mCurRollSpeed > 0) {	// 向下滚动
				if(dy > 0){
//					LOGD("向下滚动\n");
					dy = 0;
					isFuncMove = false;
				}
			} else {	// 向上滚动
				if(dy < -mBase->getPosition().mHeight){// 回滚
//					LOGD("向上滚动\n");
					dy = -mBase->getPosition().mHeight;
					isFuncMove = false;

//					UIMANAGER->setStatusBarMove(true);
				}
			}
			movePage(dy);
		}

		if (!needToRoll()) {
			movePage(dy);
			LayoutPosition lp1 = mBase->getPosition();
			mBase->setPosition(lp1);
			mIsRolling = false;
			isTextView1GraymaskShow = false;
			setBottomWindowColor();
			isRegistered = false;

			return false;
		}

		sleep(10);

		setBottomWindowColor();
	return true;



}