private void onSecondaryPointerUp(MotionEvent ev) {
int pointerIndex = MotionEventCompat.getActionIndex(ev);
int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
if (pointerId == this.mActivePointerId) {
int newPointerIndex = pointerIndex == 0 ? 1 : 0;
this.mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
}
}
private void onSecondaryPointerUp(MotionEvent ev) {
final int pointerIndex = MotionEventCompat.getActionIndex(ev);
final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
if (pointerId == mActivePointerId) {
// This was our active pointer going up. Choose a new
// active pointer and adjust accordingly.
final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
}
}
private void onPointerUp(MotionEvent e) {
final int actionIndex = MotionEventCompat.getActionIndex(e);
if (MotionEventCompat.getPointerId(e, actionIndex) == mScrollPointerId) {
// Pick a new pointer to pick up the slack.
final int newIndex = actionIndex == 0 ? 1 : 0;
mScrollPointerId = MotionEventCompat.getPointerId(e, newIndex);
mInitialTouchX = mLastTouchX = (int) (MotionEventCompat.getX(e, newIndex) + 0.5f);
mInitialTouchY = mLastTouchY = (int) (MotionEventCompat.getY(e, newIndex) + 0.5f);
}
}
/**
* On secondary pointer up.
*
* @param ev the ev
*/
private void onSecondaryPointerUp(MotionEvent ev) {
final int pointerIndex = MotionEventCompat.getActionIndex(ev);
final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
if (pointerId == mActivePointerId) {
// This was our active pointer going up. Choose a new
// active pointer and adjust accordingly.
final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
mLastMotionX = MotionEventCompat.getX(ev, newPointerIndex);
mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
if (mVelocityTracker != null) {
mVelocityTracker.clear();
}
}
}
private void onSecondaryPointerUp(MotionEvent var1) {
int var2 = (var1.getAction() & '\uff00') >> 8;
if (MotionEventCompat.getPointerId(var1, var2) == this.mActivePointerId) {
byte var3;
if (var2 == 0) {
var3 = 1;
} else {
var3 = 0;
}
this.mLastMotionY = (int) MotionEventCompat.getY(var1, var3);
this.mActivePointerId = MotionEventCompat.getPointerId(var1, var3);
if (this.mVelocityTracker != null) {
this.mVelocityTracker.clear();
}
}
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
ensureTarget();
final int action = MotionEventCompat.getActionMasked(ev);
if (mReturningToStart && action == MotionEvent.ACTION_DOWN) {
mReturningToStart = false;
}
if (!isEnabled() || mReturningToStart || canChildScrollUp() || mRefreshing) {
// Fail fast if we're not in a state where a swipe is possible
return false;
}
switch (action) {
case MotionEvent.ACTION_DOWN:
setTargetOffsetTopAndBottom(mOriginalOffsetTop - mCircleView.getTop(), true);
mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
mIsBeingDragged = false;
final float initialDownY = getMotionEventY(ev, mActivePointerId);
if (initialDownY == -1) {
return false;
}
mInitialDownY = initialDownY;
break;
case MotionEvent.ACTION_MOVE:
if (mActivePointerId == INVALID_POINTER) {
Log.e(LOG_TAG, "Got ACTION_MOVE event but don't have an active pointer id.");
return false;
}
final float y = getMotionEventY(ev, mActivePointerId);
if (y == -1) {
return false;
}
final float yDiff = y - mInitialDownY;
if (yDiff > mTouchSlop && !mIsBeingDragged) {
mInitialMotionY = mInitialDownY + mTouchSlop;
mIsBeingDragged = true;
mProgress.setAlpha(STARTING_PROGRESS_ALPHA);
}
break;
case MotionEventCompat.ACTION_POINTER_UP:
onSecondaryPointerUp(ev);
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
mIsBeingDragged = false;
mActivePointerId = INVALID_POINTER;
break;
}
return mIsBeingDragged;
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
if (!mEnabled) {
return false;
}
final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
if (action == MotionEvent.ACTION_CANCEL
|| action == MotionEvent.ACTION_UP
|| (action != MotionEvent.ACTION_DOWN && mIsUnableToDrag)) {
endDrag();
return false;
}
switch (action) {
case MotionEvent.ACTION_MOVE:
determineDrag(ev);
break;
case MotionEvent.ACTION_DOWN:
int index = MotionEventCompat.getActionIndex(ev);
mActivePointerId = MotionEventCompat.getPointerId(ev, index);
if (mActivePointerId == INVALID_POINTER) {
break;
}
mLastMotionX = mInitialMotionX = MotionEventCompat.getX(ev, index);
mLastMotionY = MotionEventCompat.getY(ev, index);
if (thisTouchAllowed(ev)) {
mIsBeingDragged = false;
mIsUnableToDrag = false;
if (isMenuOpen()
&& mViewBehind.menuTouchInQuickReturn(mContent, mCurItem, ev.getX() + mScrollX)) {
mQuickReturn = true;
}
} else {
mIsUnableToDrag = true;
}
break;
case MotionEventCompat.ACTION_POINTER_UP:
onSecondaryPointerUp(ev);
break;
}
if (!mIsBeingDragged) {
if (mVelocityTracker == null) {
mVelocityTracker = VelocityTracker.obtain();
}
mVelocityTracker.addMovement(ev);
}
return mIsBeingDragged || mQuickReturn;
}
public boolean onInterceptTouchEvent(MotionEvent ev) {
ensureTarget();
int action = MotionEventCompat.getActionMasked(ev);
if ((this.mReturningToStart) && (action == 0)) {
this.mReturningToStart = false;
}
if ((!isEnabled()) || (this.mReturningToStart) || (canChildScrollUp()) || (this.mRefreshing)) {
return false;
}
switch (action) {
case 0:
setTargetOffsetTopAndBottom(this.mOriginalOffsetTop - this.mCircleView.getTop(), true);
this.mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
this.mIsBeingDragged = false;
float initialDownY = getMotionEventY(ev, this.mActivePointerId);
if (initialDownY == -1.0F) {
return false;
}
this.mInitialDownY = initialDownY;
break;
case 2:
if (this.mActivePointerId == -1) {
Log.e(LOG_TAG, "Got ACTION_MOVE event but don't have an active pointer id.");
return false;
}
float y = getMotionEventY(ev, this.mActivePointerId);
if (y == -1.0F) {
return false;
}
float yDiff = y - this.mInitialDownY;
if ((yDiff > this.mTouchSlop) && (!this.mIsBeingDragged)) {
this.mInitialMotionY = (this.mInitialDownY + this.mTouchSlop);
this.mIsBeingDragged = true;
this.mProgress.setAlpha(76);
}
break;
case 6:
onSecondaryPointerUp(ev);
break;
case 1:
case 3:
this.mIsBeingDragged = false;
this.mActivePointerId = -1;
case 4:
case 5:
}
return this.mIsBeingDragged;
}
/** @see ViewGroup#onInterceptTouchEvent(MotionEvent) */
@Override
public boolean onInterceptTouchEvent(MotionEvent event) {
if (!isEnabled() || mNestedScrollInProgress) {
return false;
}
if (!mEnableFresh && !mEnablePullLoad) {
return false;
}
final int action = MotionEventCompat.getActionMasked(event);
switch (action) {
case MotionEvent.ACTION_DOWN:
mActivePointerId = MotionEventCompat.getPointerId(event, 0);
mFirstTouchDownPointY = getMotionEventY(event, mActivePointerId);
mLastEventOffset = (int) mFirstTouchDownPointY;
break;
case MotionEvent.ACTION_MOVE:
if (mActivePointerId == INVALID_POINTER_ID) {
return false;
}
final float currentY = getMotionEventY(event, mActivePointerId);
if (currentY == -1) {
return false;
}
if (mFirstTouchDownPointY == -1) {
mFirstTouchDownPointY = currentY;
}
if (mLastEventOffset == -1) mLastEventOffset = (int) currentY;
final float yDiff = currentY - mFirstTouchDownPointY;
// State is changed to drag if over slop
if (Math.abs(yDiff) > ViewConfiguration.get(getContext()).getScaledTouchSlop()) {
return shouldIntercept((int) yDiff);
}
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
mActivePointerId = INVALID_POINTER_ID;
break;
}
return false;
}
{
velocitytracker = mVelocityTracker;
k = MotionEventCompat.getPointerId(motionevent, 0);
velocitytracker.computeCurrentVelocity(1000, mMaximumFlingVelocity);
f = VelocityTrackerCompat.getYVelocity(velocitytracker, k);
f1 = VelocityTrackerCompat.getXVelocity(velocitytracker, k);
if (Math.abs(f) > (float)mMinimumFlingVelocity || Math.abs(f1) > (float)mMinimumFlingVelocity)
{
flag3 = mListener.mListener(mCurrentDownEvent, motionevent, f1, f);
} else
{
flag3 = false;
}
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
if (!isEnabled() || canChildScrollUp() || mRefreshing) {
return false;
}
final int action = MotionEventCompat.getActionMasked(ev);
switch (action) {
case MotionEvent.ACTION_DOWN:
setTargetOffsetTop(0, true);
mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
mIsBeingDragged = false;
final float initialMotionY = getMotionEventY(ev, mActivePointerId);
if (initialMotionY == -1) {
return false;
}
mInitialMotionY = initialMotionY;
break;
case MotionEvent.ACTION_MOVE:
if (mActivePointerId == INVALID_POINTER) {
return false;
}
final float y = getMotionEventY(ev, mActivePointerId);
if (y == -1) {
return false;
}
final float yDiff = y - mInitialMotionY;
// if (Math.abs(yDiff) > mTouchSlop && !mIsBeingDragged) {
// mIsBeingDragged = true;
// mMode = yDiff > 0 ? MODE_TOP : MODE_BOTTOM;
// }
if (yDiff > mTouchSlop && !mIsBeingDragged) {
mIsBeingDragged = true;
}
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
mIsBeingDragged = false;
mActivePointerId = INVALID_POINTER;
break;
case MotionEventCompat.ACTION_POINTER_UP:
onSecondaryPointerUp(ev);
break;
}
return mIsBeingDragged;
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
final int action = MotionEventCompat.getActionMasked(ev);
if (mReturningToStart && action == MotionEvent.ACTION_DOWN) {
mReturningToStart = false;
}
if (!isEnabled() || mReturningToStart || canChildScrollUp()) {
// Fail fast if we're not in a state where a swipe is possible
return false;
}
switch (action) {
case MotionEvent.ACTION_DOWN:
mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
mIsBeingDragged = false;
break;
case MotionEvent.ACTION_MOVE:
{
final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
if (pointerIndex < 0) {
Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id.");
return false;
}
final float y = MotionEventCompat.getY(ev, pointerIndex);
final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE;
if (mIsBeingDragged) {
mProgress.showArrow(true);
float originalDragPercent = overscrollTop / mTotalDragDistance;
if (originalDragPercent < 0) {
return false;
}
float dragPercent = Math.min(1f, Math.abs(originalDragPercent));
float adjustedPercent = (float) Math.max(dragPercent - .4, 0) * 5 / 3;
float extraOS = Math.abs(overscrollTop) - mTotalDragDistance;
float slingshotDist =
mUsingCustomStart ? mSpinnerFinalOffset - mOriginalOffsetTop : mSpinnerFinalOffset;
float tensionSlingshotPercent =
Math.max(0, Math.min(extraOS, slingshotDist * 2) / slingshotDist);
float tensionPercent =
(float) ((tensionSlingshotPercent / 4) - Math.pow((tensionSlingshotPercent / 4), 2))
* 2f;
float extraMove = (slingshotDist) * tensionPercent * 2;
int targetY = mOriginalOffsetTop + (int) ((slingshotDist * dragPercent) + extraMove);
// where 1.0f is a full circle
if (mCircleView.getVisibility() != View.VISIBLE) {
mCircleView.setVisibility(View.VISIBLE);
}
if (!mScale) {
ViewCompat.setScaleX(mCircleView, 1f);
ViewCompat.setScaleY(mCircleView, 1f);
}
if (overscrollTop < mTotalDragDistance) {
if (mScale) {
setAnimationProgress(overscrollTop / mTotalDragDistance);
}
if (mProgress.getAlpha() > STARTING_PROGRESS_ALPHA
&& !isAnimationRunning(mAlphaStartAnimation)) {
// Animate the alpha
startProgressAlphaStartAnimation();
}
float strokeStart = adjustedPercent * .8f;
mProgress.setStartEndTrim(0f, Math.min(MAX_PROGRESS_ANGLE, strokeStart));
mProgress.setArrowScale(Math.min(1f, adjustedPercent));
} else {
if (mProgress.getAlpha() < MAX_ALPHA && !isAnimationRunning(mAlphaMaxAnimation)) {
// Animate the alpha
startProgressAlphaMaxAnimation();
}
}
float rotation = (-0.25f + .4f * adjustedPercent + tensionPercent * 2) * .5f;
mProgress.setProgressRotation(rotation);
setTargetOffsetTopAndBottom(
targetY - mCurrentTargetOffsetTop, true /* requires update */);
}
break;
}
case MotionEventCompat.ACTION_POINTER_DOWN:
{
final int index = MotionEventCompat.getActionIndex(ev);
mActivePointerId = MotionEventCompat.getPointerId(ev, index);
break;
}
case MotionEventCompat.ACTION_POINTER_UP:
onSecondaryPointerUp(ev);
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
{
if (mActivePointerId == INVALID_POINTER) {
if (action == MotionEvent.ACTION_UP) {
Log.e(LOG_TAG, "Got ACTION_UP event but don't have an active pointer id.");
}
return false;
}
final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
final float y = MotionEventCompat.getY(ev, pointerIndex);
final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE;
mIsBeingDragged = false;
if (overscrollTop > mTotalDragDistance) {
setRefreshing(true, true /* notify */);
} else {
// cancel refresh
mRefreshing = false;
mProgress.setStartEndTrim(0f, 0f);
Animation.AnimationListener listener = null;
if (!mScale) {
listener =
new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {}
@Override
public void onAnimationEnd(Animation animation) {
if (!mScale) {
startScaleDownAnimation(null);
}
}
@Override
public void onAnimationRepeat(Animation animation) {}
};
}
animateOffsetToStartPosition(mCurrentTargetOffsetTop, listener);
mProgress.showArrow(false);
}
mActivePointerId = INVALID_POINTER;
return false;
}
}
return true;
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (!mEnabled) return false;
if (!mIsBeingDragged && !thisTouchAllowed(ev)) return false;
// if (!mIsBeingDragged && !mQuickReturn)
// return false;
final int action = ev.getAction();
if (mVelocityTracker == null) {
mVelocityTracker = VelocityTracker.obtain();
}
mVelocityTracker.addMovement(ev);
switch (action & MotionEventCompat.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
/*
* If being flinged and user touches, stop the fling. isFinished
* will be false if being flinged.
*/
completeScroll();
// Remember where the motion event started
int index = MotionEventCompat.getActionIndex(ev);
mActivePointerId = MotionEventCompat.getPointerId(ev, index);
mLastMotionX = mInitialMotionX = ev.getX();
break;
case MotionEvent.ACTION_MOVE:
if (!mIsBeingDragged) {
determineDrag(ev);
if (mIsUnableToDrag) return false;
}
if (mIsBeingDragged) {
// Scroll to follow the motion event
final int activePointerIndex = getPointerIndex(ev, mActivePointerId);
if (mActivePointerId == INVALID_POINTER) break;
final float x = MotionEventCompat.getX(ev, activePointerIndex);
final float deltaX = mLastMotionX - x;
mLastMotionX = x;
float oldScrollX = getScrollX();
float scrollX = oldScrollX + deltaX;
final float leftBound = getLeftBound();
final float rightBound = getRightBound();
if (scrollX < leftBound) {
scrollX = leftBound;
} else if (scrollX > rightBound) {
scrollX = rightBound;
}
// Don't lose the rounded component
mLastMotionX += scrollX - (int) scrollX;
scrollTo((int) scrollX, getScrollY());
pageScrolled((int) scrollX);
}
break;
case MotionEvent.ACTION_UP:
if (mIsBeingDragged) {
final VelocityTracker velocityTracker = mVelocityTracker;
velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
int initialVelocity =
(int) VelocityTrackerCompat.getXVelocity(velocityTracker, mActivePointerId);
final int scrollX = getScrollX();
final float pageOffset = (float) (scrollX - getDestScrollX(mCurItem)) / getBehindWidth();
final int activePointerIndex = getPointerIndex(ev, mActivePointerId);
if (mActivePointerId != INVALID_POINTER) {
final float x = MotionEventCompat.getX(ev, activePointerIndex);
final int totalDelta = (int) (x - mInitialMotionX);
int nextPage = determineTargetPage(pageOffset, initialVelocity, totalDelta);
setCurrentItemInternal(nextPage, true, true, initialVelocity);
} else {
setCurrentItemInternal(mCurItem, true, true, initialVelocity);
}
mActivePointerId = INVALID_POINTER;
endDrag();
} else if (mQuickReturn
&& mViewBehind.menuTouchInQuickReturn(mContent, mCurItem, ev.getX() + mScrollX)) {
// close the menu
setCurrentItem(1);
endDrag();
}
break;
case MotionEvent.ACTION_CANCEL:
if (mIsBeingDragged) {
setCurrentItemInternal(mCurItem, true, true);
mActivePointerId = INVALID_POINTER;
endDrag();
}
break;
case MotionEventCompat.ACTION_POINTER_DOWN:
{
final int indexx = MotionEventCompat.getActionIndex(ev);
mLastMotionX = MotionEventCompat.getX(ev, indexx);
mActivePointerId = MotionEventCompat.getPointerId(ev, indexx);
break;
}
case MotionEventCompat.ACTION_POINTER_UP:
onSecondaryPointerUp(ev);
int pointerIndex = getPointerIndex(ev, mActivePointerId);
if (mActivePointerId == INVALID_POINTER) break;
mLastMotionX = MotionEventCompat.getX(ev, pointerIndex);
break;
}
return true;
}
@Override
public boolean onTouchEvent(@NonNull MotionEvent ev) {
if (!mIsBeingDragged) {
return super.onTouchEvent(ev);
}
final int action = MotionEventCompat.getActionMasked(ev);
switch (action) {
case MotionEvent.ACTION_MOVE:
{
final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
if (pointerIndex < 0) {
return false;
}
final float y = MotionEventCompat.getY(ev, pointerIndex);
final float yDiff = y - mInitialMotionY;
final float scrollTop = yDiff * DRAG_RATE;
mCurrentDragPercent = scrollTop / mTotalDragDistance;
if (mCurrentDragPercent < 0) {
return false;
}
float boundedDragPercent = Math.min(1f, Math.abs(mCurrentDragPercent));
float extraOS = Math.abs(scrollTop) - mTotalDragDistance;
float slingshotDist = mTotalDragDistance;
float tensionSlingshotPercent =
Math.max(0, Math.min(extraOS, slingshotDist * 2) / slingshotDist);
float tensionPercent =
(float) ((tensionSlingshotPercent / 4) - Math.pow((tensionSlingshotPercent / 4), 2))
* 2f;
float extraMove = (slingshotDist) * tensionPercent / 2;
int targetY = (int) ((slingshotDist * boundedDragPercent) + extraMove);
mBaseRefreshView.setPercent(mCurrentDragPercent, true);
setTargetOffsetTop(targetY - mCurrentOffsetTop, true);
break;
}
case MotionEventCompat.ACTION_POINTER_DOWN:
final int index = MotionEventCompat.getActionIndex(ev);
mActivePointerId = MotionEventCompat.getPointerId(ev, index);
break;
case MotionEventCompat.ACTION_POINTER_UP:
onSecondaryPointerUp(ev);
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
{
if (mActivePointerId == INVALID_POINTER) {
return false;
}
final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
final float y = MotionEventCompat.getY(ev, pointerIndex);
final float overScrollTop = (y - mInitialMotionY) * DRAG_RATE;
mIsBeingDragged = false;
if (overScrollTop > mTotalDragDistance) {
setRefreshing(true, true);
} else {
mRefreshing = false;
animateOffsetToStartPosition();
}
mActivePointerId = INVALID_POINTER;
return false;
}
}
return true;
}
public boolean onTouchEvent(MotionEvent motionevent)
{
float f;
float f1;
int i2;
int j2 = motionevent.getAction();
if (mVelocityTracker == null)
{
mVelocityTracker = VelocityTracker.obtain();
}
mVelocityTracker.addMovement(motionevent);
boolean flag;
int l;
int k1;
if ((j2 & 0xff) == 6)
{
flag = true;
} else
{
flag = false;
}
if (flag)
{
l = MotionEventCompat.getActionIndex(motionevent);
} else
{
l = -1;
}
i2 = MotionEventCompat.getPointerCount(motionevent);
k1 = 0;
f = 0.0F;
float f2;
for (f1 = 0.0F; k1 < i2; f1 = f2)
{
float f5 = f;
f2 = f1;
if (l != k1)
{
f2 = f1 + MotionEventCompat.getX(motionevent, k1);
f5 = f + MotionEventCompat.getY(motionevent, k1);
}
k1++;
f = f5;
}
int i;
if (flag)
{
i = i2 - 1;
} else
{
i = i2;
}
f1 /= i;
f /= i;
j2 & 0xff;
JVM INSTR tableswitch 0 6: default 204
// 0 383
// 1 862
// 2 643
// 3 1136
// 4 204
// 5 213
// 6 239;
goto _L1 _L2 _L3 _L4 _L5 _L1 _L6 _L7
_L1:
return false;
_L6:
mLastFocusX = f1;
mDownFocusX = f1;
mLastFocusY = f;
mDownFocusY = f;
cancelTaps();
return false;
_L7:
mLastFocusX = f1;
mDownFocusX = f1;
mLastFocusY = f;
mDownFocusY = f;
mVelocityTracker.computeCurrentVelocity(1000, mMaximumFlingVelocity);
int i1 = MotionEventCompat.getActionIndex(motionevent);
int j = MotionEventCompat.getPointerId(motionevent, i1);
f = VelocityTrackerCompat.getXVelocity(mVelocityTracker, j);
f1 = VelocityTrackerCompat.getYVelocity(mVelocityTracker, j);
j = 0;
while (j < i2)
{
if (j != i1)
{
int l1 = MotionEventCompat.getPointerId(motionevent, j);
float f3 = VelocityTrackerCompat.getXVelocity(mVelocityTracker, l1);
if (VelocityTrackerCompat.getYVelocity(mVelocityTracker, l1) * f1 + f3 * f < 0.0F)
{
mVelocityTracker.clear();
return false;
}
}
j++;
}
goto _L8
@Override
public boolean onTouchEvent(MotionEvent ev) {
// return or not?
mScaleDetector.onTouchEvent(ev);
mGestureDetector.onTouchEvent(ev);
final int action = MotionEventCompat.getActionMasked(ev);
switch (action) {
case MotionEvent.ACTION_DOWN:
{
final int pointerIndex = MotionEventCompat.getActionIndex(ev);
final float x = MotionEventCompat.getX(ev, pointerIndex);
final float y = MotionEventCompat.getY(ev, pointerIndex);
int index = getActiveIndexByXY(x, y);
if (index >= 0) {
mActiveIndex = index;
mLastTouchX = x;
mLastTouchY = y;
mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
}
break;
}
case MotionEvent.ACTION_MOVE:
if (mActivePointerId != INVALID_POINTER_ID) {
final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
final float x = MotionEventCompat.getX(ev, pointerIndex);
final float y = MotionEventCompat.getY(ev, pointerIndex);
final float dx = x - mLastTouchX;
final float dy = y - mLastTouchY;
Figure figure = mFigures.get(mActiveIndex);
figure.x += dx;
figure.y += dy;
mLastTouchX = x;
mLastTouchY = y;
invalidate();
}
break;
case MotionEvent.ACTION_UP:
{
if (mActiveIndex >= 0) {
if (mUpdateFigureListener != null) {
mUpdateFigureListener.onUpdate(mFigures.get(mActiveIndex));
}
mActiveIndex = -1;
}
mActivePointerId = INVALID_POINTER_ID;
break;
}
case MotionEvent.ACTION_CANCEL:
{
mActivePointerId = INVALID_POINTER_ID;
mActiveIndex = -1;
break;
}
case MotionEvent.ACTION_POINTER_UP:
final int pointerIndex = MotionEventCompat.getActionIndex(ev);
final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
if (pointerId == mActivePointerId) {
final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
mLastTouchX = MotionEventCompat.getX(ev, newPointerIndex);
mLastTouchY = MotionEventCompat.getY(ev, newPointerIndex);
mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
}
break;
}
return true;
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (!mEnabled) return false;
// if (!mIsBeingDragged && !thisTouchAllowed(ev))
// return false;
if (!mIsBeingDragged && !mQuickReturn) return false;
final int action = ev.getAction();
if (mVelocityTracker == null) {
mVelocityTracker = VelocityTracker.obtain();
}
mVelocityTracker.addMovement(ev);
switch (action & MotionEventCompat.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
/*
* If being flinged and user touches, stop the fling. isFinished
* will be false if being flinged.
*/
completeScroll();
// Remember where the motion event started
mLastMotionX = mInitialMotionX = ev.getX();
mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
break;
case MotionEvent.ACTION_MOVE:
if (!mIsBeingDragged) {
if (mActivePointerId == INVALID_POINTER) break;
final int pointerIndex = getPointerIndex(ev, mActivePointerId);
final float x = MotionEventCompat.getX(ev, pointerIndex);
final float dx = x - mLastMotionX;
final float xDiff = Math.abs(dx);
final float y = MotionEventCompat.getY(ev, pointerIndex);
final float yDiff = Math.abs(y - mLastMotionY);
if (DEBUG)
Log.v(
TAG,
"onTouch moved to:("
+ x
+ ", "
+ y
+ "), diff:("
+ xDiff
+ ", "
+ yDiff
+ ")\nmIsBeingDragged:"
+ mIsBeingDragged
+ ", mLastMotionX:"
+ mLastMotionX);
if ((xDiff > mTouchSlop || (mQuickReturn && xDiff > mTouchSlop / 4))
&& xDiff > yDiff
&& thisSlideAllowed(dx)) {
if (DEBUG) Log.v(TAG, "Starting drag! from onTouch");
startDrag();
mLastMotionX = x;
setScrollingCacheEnabled(true);
} else {
if (DEBUG) Log.v(TAG, "onTouch returning false");
return false;
}
}
if (mIsBeingDragged) {
// Scroll to follow the motion event
final int activePointerIndex = getPointerIndex(ev, mActivePointerId);
if (mActivePointerId == INVALID_POINTER) {
break;
}
final float x = MotionEventCompat.getX(ev, activePointerIndex);
final float deltaX = mLastMotionX - x;
mLastMotionX = x;
float oldScrollX = getScrollX();
float scrollX = oldScrollX + deltaX;
final float leftBound = getLeftBound();
final float rightBound = getRightBound();
if (scrollX < leftBound) {
scrollX = leftBound;
} else if (scrollX > rightBound) {
scrollX = rightBound;
}
// Don't lose the rounded component
mLastMotionX += scrollX - (int) scrollX;
scrollTo((int) scrollX, getScrollY());
pageScrolled((int) scrollX);
}
break;
case MotionEvent.ACTION_UP:
if (mIsBeingDragged) {
final VelocityTracker velocityTracker = mVelocityTracker;
velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
int initialVelocity =
(int) VelocityTrackerCompat.getXVelocity(velocityTracker, mActivePointerId);
final int scrollX = getScrollX();
// final int widthWithMargin = getWidth();
// final float pageOffset = (float) (scrollX % widthWithMargin) / widthWithMargin;
// TODO test this. should get better flinging behavior
final float pageOffset = (float) (scrollX - getDestScrollX(mCurItem)) / getBehindWidth();
final int activePointerIndex = getPointerIndex(ev, mActivePointerId);
if (mActivePointerId != INVALID_POINTER) {
final float x = MotionEventCompat.getX(ev, activePointerIndex);
final int totalDelta = (int) (x - mInitialMotionX);
int nextPage = determineTargetPage(pageOffset, initialVelocity, totalDelta);
setCurrentItemInternal(nextPage, true, true, initialVelocity);
} else {
setCurrentItemInternal(mCurItem, true, true, initialVelocity);
}
mActivePointerId = INVALID_POINTER;
endDrag();
} else if (mQuickReturn
&& mViewBehind.menuTouchInQuickReturn(mContent, mCurItem, ev.getX() + mScrollX)) {
// close the menu
setCurrentItem(1);
endDrag();
}
break;
case MotionEvent.ACTION_CANCEL:
if (mIsBeingDragged) {
setCurrentItemInternal(mCurItem, true, true);
mActivePointerId = INVALID_POINTER;
endDrag();
}
break;
case MotionEventCompat.ACTION_POINTER_DOWN:
{
final int index = MotionEventCompat.getActionIndex(ev);
final float x = MotionEventCompat.getX(ev, index);
mLastMotionX = x;
mActivePointerId = MotionEventCompat.getPointerId(ev, index);
break;
}
case MotionEventCompat.ACTION_POINTER_UP:
onSecondaryPointerUp(ev);
int pointerIndex = this.getPointerIndex(ev, mActivePointerId);
if (mActivePointerId == INVALID_POINTER) break;
mLastMotionX = MotionEventCompat.getX(ev, pointerIndex);
break;
}
return true;
}
@Override
public boolean onInterceptTouchEvent(MotionEvent e) {
final boolean canScrollHorizontally = false; // mLayout.canScrollHorizontally();
final boolean canScrollVertically = true; // mLayout.canScrollVertically();
if (mVelocityTracker == null) {
mVelocityTracker = VelocityTracker.obtain();
}
mVelocityTracker.addMovement(e);
final int action = MotionEventCompat.getActionMasked(e);
final int actionIndex = MotionEventCompat.getActionIndex(e);
switch (action) {
case MotionEvent.ACTION_DOWN:
if (mIgnoreMotionEventTillDown) {
mIgnoreMotionEventTillDown = false;
}
mScrollPointerId = MotionEventCompat.getPointerId(e, 0);
mInitialTouchX = mLastTouchX = (int) (e.getX() + 0.5f);
mInitialTouchY = mLastTouchY = (int) (e.getY() + 0.5f);
if (mScrollState == SCROLL_STATE_SETTLING) {
getParent().requestDisallowInterceptTouchEvent(true);
setScrollState(SCROLL_STATE_DRAGGING);
}
// Clear the nested offsets
mNestedOffsets[0] = mNestedOffsets[1] = 0;
int nestedScrollAxis = ViewCompat.SCROLL_AXIS_NONE;
if (canScrollHorizontally) {
nestedScrollAxis |= ViewCompat.SCROLL_AXIS_HORIZONTAL;
}
if (canScrollVertically) {
nestedScrollAxis |= ViewCompat.SCROLL_AXIS_VERTICAL;
}
startNestedScroll(nestedScrollAxis);
break;
case MotionEventCompat.ACTION_POINTER_DOWN:
mScrollPointerId = MotionEventCompat.getPointerId(e, actionIndex);
mInitialTouchX = mLastTouchX = (int) (MotionEventCompat.getX(e, actionIndex) + 0.5f);
mInitialTouchY = mLastTouchY = (int) (MotionEventCompat.getY(e, actionIndex) + 0.5f);
break;
case MotionEvent.ACTION_MOVE:
{
final int index = MotionEventCompat.findPointerIndex(e, mScrollPointerId);
if (index < 0) {
Log.e(
TAG,
"Error processing scroll; pointer index for id "
+ mScrollPointerId
+ " not found. Did any MotionEvents get skipped?");
return false;
}
final int x = (int) (MotionEventCompat.getX(e, index) + 0.5f);
final int y = (int) (MotionEventCompat.getY(e, index) + 0.5f);
if (mScrollState != SCROLL_STATE_DRAGGING) {
final int dx = x - mInitialTouchX;
final int dy = y - mInitialTouchY;
boolean startScroll = false;
if (canScrollHorizontally && Math.abs(dx) > mTouchSlop) {
mLastTouchX = mInitialTouchX + mTouchSlop * (dx < 0 ? -1 : 1);
startScroll = true;
}
if (canScrollVertically && Math.abs(dy) > mTouchSlop) {
mLastTouchY = mInitialTouchY + mTouchSlop * (dy < 0 ? -1 : 1);
startScroll = true;
}
if (startScroll) {
setScrollState(SCROLL_STATE_DRAGGING);
}
}
}
break;
case MotionEventCompat.ACTION_POINTER_UP:
{
onPointerUp(e);
}
break;
case MotionEvent.ACTION_UP:
{
mVelocityTracker.clear();
stopNestedScroll();
}
break;
case MotionEvent.ACTION_CANCEL:
{
cancelTouch();
}
}
return mScrollState == SCROLL_STATE_DRAGGING;
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
ensureTarget();
final int action = MotionEventCompat.getActionMasked(ev);
if (mReturningToStart && action == MotionEvent.ACTION_DOWN) {
mReturningToStart = false;
}
if (!isEnabled() || mReturningToStart) {
// Fail fast if we're not in a state where a swipe is possible
return false;
}
switch (action) {
case MotionEvent.ACTION_DOWN:
mLastMotionY = mInitialMotionY = ev.getY();
mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
mIsBeingDragged = false;
mCurrPercentage = 0;
mStartPoint = mInitialMotionY;
// 这里用up/down记录子控件能否下拉，如果当前子控件不能上下滑动，但当手指按下并移动子控件时，控件就会变得可滑动
// 后面的一些处理不能直接使用canChildScrollUp/canChildScrollDown
// 但仍存在问题：当数据不满一屏且设置可以上拉模式后，多次快速上拉会激发上拉加载
up = canChildScrollUp();
down = canChildScrollDown();
break;
case MotionEvent.ACTION_MOVE:
if (mActivePointerId == INVALID_POINTER) {
Log.e(LOG_TAG, "Got ACTION_MOVE event but don't have an active pointer id.");
return false;
}
final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
if (pointerIndex < 0) {
Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id.");
return false;
}
final float y = MotionEventCompat.getY(ev, pointerIndex);
// final float yDiff = y - mInitialMotionY;
final float yDiff = y - mStartPoint;
// 若上个手势的方向和当前手势方向不一致，返回
if ((mLastDirection == Mode.PULL_FROM_START && yDiff < 0)
|| (mLastDirection == Mode.PULL_FROM_END && yDiff > 0)) {
return false;
}
// 下拉或上拉时，子控件本身能够滑动时，记录当前手指位置，当其滑动到尽头时，
// mStartPoint作为下拉刷新或上拉加载的手势起点
if ((canChildScrollUp() && yDiff > 0) || (canChildScrollDown() && yDiff < 0)) {
mStartPoint = y;
}
// 下拉
if (yDiff > mTouchSlop) {
// 若当前子控件能向下滑动，或者上个手势为上拉，则返回
if (canChildScrollUp() || mLastDirection == Mode.PULL_FROM_END) {
mIsBeingDragged = false;
return false;
}
if ((mMode == Mode.PULL_FROM_START) || (mMode == Mode.BOTH)) {
mLastMotionY = y;
mIsBeingDragged = true;
mLastDirection = Mode.PULL_FROM_START;
}
}
// 上拉
else if (-yDiff > mTouchSlop) {
// 若当前子控件能向上滑动，或者上个手势为下拉，则返回
if (canChildScrollDown() || mLastDirection == Mode.PULL_FROM_START) {
mIsBeingDragged = false;
return false;
}
// 若子控件不能上下滑动，说明数据不足一屏，若不满屏不加载，返回
if (!up && !down && !loadNoFull) {
mIsBeingDragged = false;
return false;
}
if ((mMode == Mode.PULL_FROM_END) || (mMode == Mode.BOTH)) {
mLastMotionY = y;
mIsBeingDragged = true;
mLastDirection = Mode.PULL_FROM_END;
}
}
break;
case MotionEventCompat.ACTION_POINTER_UP:
onSecondaryPointerUp(ev);
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
mIsBeingDragged = false;
mCurrPercentage = 0;
mActivePointerId = INVALID_POINTER;
mLastDirection = Mode.DISABLED;
break;
}
return mIsBeingDragged;
}
@Override
public boolean onTouchEvent(MotionEvent e) {
/*
if (mLayoutFrozen || mIgnoreMotionEventTillDown) {
return false;
}
if (dispatchOnItemTouch(e)) {
cancelTouch();
return true;
}
if (mLayout == null) {
return false;
}
*/
final boolean canScrollHorizontally = false; // mLayout.canScrollHorizontally();
final boolean canScrollVertically = true; // mLayout.canScrollVertically();
if (mVelocityTracker == null) {
mVelocityTracker = VelocityTracker.obtain();
}
boolean eventAddedToVelocityTracker = false;
final MotionEvent vtev = MotionEvent.obtain(e);
final int action = MotionEventCompat.getActionMasked(e);
final int actionIndex = MotionEventCompat.getActionIndex(e);
if (action == MotionEvent.ACTION_DOWN) {
mNestedOffsets[0] = mNestedOffsets[1] = 0;
}
vtev.offsetLocation(mNestedOffsets[0], mNestedOffsets[1]);
switch (action) {
case MotionEvent.ACTION_DOWN:
{
mScrollPointerId = MotionEventCompat.getPointerId(e, 0);
mInitialTouchX = mLastTouchX = (int) (e.getX() + 0.5f);
mInitialTouchY = mLastTouchY = (int) (e.getY() + 0.5f);
int nestedScrollAxis = ViewCompat.SCROLL_AXIS_NONE;
if (canScrollHorizontally) {
nestedScrollAxis |= ViewCompat.SCROLL_AXIS_HORIZONTAL;
}
if (canScrollVertically) {
nestedScrollAxis |= ViewCompat.SCROLL_AXIS_VERTICAL;
}
startNestedScroll(nestedScrollAxis);
}
break;
case MotionEventCompat.ACTION_POINTER_DOWN:
{
mScrollPointerId = MotionEventCompat.getPointerId(e, actionIndex);
mInitialTouchX = mLastTouchX = (int) (MotionEventCompat.getX(e, actionIndex) + 0.5f);
mInitialTouchY = mLastTouchY = (int) (MotionEventCompat.getY(e, actionIndex) + 0.5f);
}
break;
case MotionEvent.ACTION_MOVE:
{
final int index = MotionEventCompat.findPointerIndex(e, mScrollPointerId);
if (index < 0) {
Log.e(
TAG,
"Error processing scroll; pointer index for id "
+ mScrollPointerId
+ " not found. Did any MotionEvents get skipped?");
return false;
}
final int x = (int) (MotionEventCompat.getX(e, index) + 0.5f);
final int y = (int) (MotionEventCompat.getY(e, index) + 0.5f);
int dx = mLastTouchX - x;
int dy = mLastTouchY - y;
if (dispatchNestedPreScroll(dx, dy, mScrollConsumed, mScrollOffset)) {
dx -= mScrollConsumed[0];
dy -= mScrollConsumed[1];
vtev.offsetLocation(mScrollOffset[0], mScrollOffset[1]);
// Updated the nested offsets
mNestedOffsets[0] += mScrollOffset[0];
mNestedOffsets[1] += mScrollOffset[1];
}
if (mScrollState != SCROLL_STATE_DRAGGING) {
boolean startScroll = false;
if (canScrollHorizontally && Math.abs(dx) > mTouchSlop) {
if (dx > 0) {
dx -= mTouchSlop;
} else {
dx += mTouchSlop;
}
startScroll = true;
}
if (canScrollVertically && Math.abs(dy) > mTouchSlop) {
if (dy > 0) {
dy -= mTouchSlop;
} else {
dy += mTouchSlop;
}
startScroll = true;
}
if (startScroll) {
setScrollState(SCROLL_STATE_DRAGGING);
}
}
if (mScrollState == SCROLL_STATE_DRAGGING) {
mLastTouchX = x - mScrollOffset[0];
mLastTouchY = y - mScrollOffset[1];
if (scrollByInternal(
canScrollHorizontally ? dx : 0, canScrollVertically ? dy : 0, vtev)) {
getParent().requestDisallowInterceptTouchEvent(true);
}
}
}
break;
case MotionEventCompat.ACTION_POINTER_UP:
{
onPointerUp(e);
}
break;
case MotionEvent.ACTION_UP:
{
mVelocityTracker.addMovement(vtev);
eventAddedToVelocityTracker = true;
mVelocityTracker.computeCurrentVelocity(1000, mMaxFlingVelocity);
final float xvel =
canScrollHorizontally
? -VelocityTrackerCompat.getXVelocity(mVelocityTracker, mScrollPointerId)
: 0;
final float yvel =
canScrollVertically
? -VelocityTrackerCompat.getYVelocity(mVelocityTracker, mScrollPointerId)
: 0;
if (!((xvel != 0 || yvel != 0) && fling((int) xvel, (int) yvel))) {
setScrollState(SCROLL_STATE_IDLE);
}
resetTouch();
}
break;
case MotionEvent.ACTION_CANCEL:
{
cancelTouch();
}
break;
}
if (!eventAddedToVelocityTracker) {
mVelocityTracker.addMovement(vtev);
}
vtev.recycle();
return true;
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (!mIsFlippingEnabled) {
return false;
}
if (mPageCount < 1) {
return false;
}
if (!mIsFlipping && !mLastTouchAllowed) {
return false;
}
final int action = ev.getAction();
if (action == MotionEvent.ACTION_UP
|| action == MotionEvent.ACTION_CANCEL
|| action == MotionEvent.ACTION_OUTSIDE) {
mLastTouchAllowed = false;
} else {
mLastTouchAllowed = true;
}
trackVelocity(ev);
switch (action & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
// start flipping immediately if interrupting some sort of animation
if (endScroll() || endPeak()) {
mIsFlipping = true;
}
// Remember where the motion event started
mLastX = ev.getX();
mLastY = ev.getY();
mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
break;
case MotionEvent.ACTION_MOVE:
if (!mIsFlipping) {
final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
if (pointerIndex == -1) {
mActivePointerId = INVALID_POINTER;
break;
}
final float x = MotionEventCompat.getX(ev, pointerIndex);
final float xDiff = Math.abs(x - mLastX);
final float y = MotionEventCompat.getY(ev, pointerIndex);
final float yDiff = Math.abs(y - mLastY);
if ((mIsFlippingVertically && yDiff > mTouchSlop && yDiff > xDiff)
|| (!mIsFlippingVertically && xDiff > mTouchSlop && xDiff > yDiff)) {
mIsFlipping = true;
mLastX = x;
mLastY = y;
}
}
if (mIsFlipping) {
// Scroll to follow the motion event
final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
if (activePointerIndex == -1) {
mActivePointerId = INVALID_POINTER;
break;
}
final float x = MotionEventCompat.getX(ev, activePointerIndex);
final float deltaX = mLastX - x;
final float y = MotionEventCompat.getY(ev, activePointerIndex);
final float deltaY = mLastY - y;
mLastX = x;
mLastY = y;
float deltaFlipDistance = 0;
if (mIsFlippingVertically) {
deltaFlipDistance = deltaY;
} else {
deltaFlipDistance = deltaX;
}
deltaFlipDistance /=
((isFlippingVertically() ? getHeight() : getWidth()) / FLIP_DISTANCE_PER_PAGE);
setFlipDistance(mFlipDistance + deltaFlipDistance);
final int minFlipDistance = 0;
final int maxFlipDistance = (mPageCount - 1) * FLIP_DISTANCE_PER_PAGE;
final boolean isOverFlipping =
mFlipDistance < minFlipDistance || mFlipDistance > maxFlipDistance;
if (isOverFlipping) {
mIsOverFlipping = true;
setFlipDistance(
mOverFlipper.calculate(mFlipDistance, minFlipDistance, maxFlipDistance));
if (mOnOverFlipListener != null) {
float overFlip = mOverFlipper.getTotalOverFlip();
mOnOverFlipListener.onOverFlip(
this, mOverFlipMode, overFlip < 0, Math.abs(overFlip), FLIP_DISTANCE_PER_PAGE);
}
} else if (mIsOverFlipping) {
mIsOverFlipping = false;
if (mOnOverFlipListener != null) {
// TODO in the future should only notify flip distance 0
// on the correct edge (previous/next)
mOnOverFlipListener.onOverFlip(this, mOverFlipMode, false, 0, FLIP_DISTANCE_PER_PAGE);
mOnOverFlipListener.onOverFlip(this, mOverFlipMode, true, 0, FLIP_DISTANCE_PER_PAGE);
}
}
}
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
if (mIsFlipping) {
final VelocityTracker velocityTracker = mVelocityTracker;
velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
int velocity = 0;
if (isFlippingVertically()) {
velocity = (int) VelocityTrackerCompat.getYVelocity(velocityTracker, mActivePointerId);
} else {
velocity = (int) VelocityTrackerCompat.getXVelocity(velocityTracker, mActivePointerId);
}
smoothFlipTo(getNextPage(velocity));
mActivePointerId = INVALID_POINTER;
endFlip();
mOverFlipper.overFlipEnded();
}
break;
case MotionEventCompat.ACTION_POINTER_DOWN:
{
final int index = MotionEventCompat.getActionIndex(ev);
final float x = MotionEventCompat.getX(ev, index);
final float y = MotionEventCompat.getY(ev, index);
mLastX = x;
mLastY = y;
mActivePointerId = MotionEventCompat.getPointerId(ev, index);
break;
}
case MotionEventCompat.ACTION_POINTER_UP:
onSecondaryPointerUp(ev);
final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
final float x = MotionEventCompat.getX(ev, index);
final float y = MotionEventCompat.getY(ev, index);
mLastX = x;
mLastY = y;
break;
}
if (mActivePointerId == INVALID_POINTER) {
mLastTouchAllowed = false;
}
return true;
}
public boolean onTouchEvent(MotionEvent paramMotionEvent)
{
if (super.onTouchEvent(paramMotionEvent)) {}
label322:
do
{
int i1;
do
{
int i5;
float f1;
float f2;
do
{
float f4;
do
{
float f3;
do
{
return true;
if ((this.e == null) || (this.e.getAdapter().getCount() == 0)) {
return false;
}
i1 = 0xFF & paramMotionEvent.getAction();
switch (i1)
{
case 4:
default:
return true;
case 0:
this.p = MotionEventCompat.getPointerId(paramMotionEvent, 0);
this.o = paramMotionEvent.getX();
return true;
case 2:
f3 = MotionEventCompat.getX(paramMotionEvent, MotionEventCompat.findPointerIndex(paramMotionEvent, this.p));
f4 = f3 - this.o;
if ((!this.q) && (Math.abs(f4) > this.n)) {
this.q = true;
}
break;
}
} while (!this.q);
this.o = f3;
} while ((!this.e.isFakeDragging()) && (!this.e.beginFakeDrag()));
this.e.fakeDragBy(f4);
return true;
if (this.q) {
break label322;
}
i5 = this.e.getAdapter().getCount();
int i6 = getWidth();
f1 = i6 / 2.0F;
f2 = i6 / 6.0F;
if ((this.g <= 0) || (paramMotionEvent.getX() >= f1 - f2)) {
break;
}
} while (i1 == 3);
this.e.setCurrentItem(-1 + this.g);
return true;
if ((this.g >= i5 - 1) || (paramMotionEvent.getX() <= f2 + f1)) {
break;
}
} while (i1 == 3);
this.e.setCurrentItem(1 + this.g);
return true;
this.q = false;
this.p = -1;
} while (!this.e.isFakeDragging());
this.e.endFakeDrag();
return true;
int i4 = MotionEventCompat.getActionIndex(paramMotionEvent);
this.o = MotionEventCompat.getX(paramMotionEvent, i4);
this.p = MotionEventCompat.getPointerId(paramMotionEvent, i4);
return true;
int i2 = MotionEventCompat.getActionIndex(paramMotionEvent);
if (MotionEventCompat.getPointerId(paramMotionEvent, i2) == this.p)
{
int i3 = 0;
if (i2 == 0) {
i3 = 1;
}
this.p = MotionEventCompat.getPointerId(paramMotionEvent, i3);
}
this.o = MotionEventCompat.getX(paramMotionEvent, MotionEventCompat.findPointerIndex(paramMotionEvent, this.p));
return true;
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
final int action = MotionEventCompat.getActionMasked(ev);
if (mReturningToStart && action == MotionEvent.ACTION_DOWN) {
mReturningToStart = false;
}
if (!isEnabled() || mReturningToStart) {
// Fail fast if we're not in a state where a swipe is possible
return false;
}
switch (action) {
case MotionEvent.ACTION_DOWN:
mLastMotionY = mInitialMotionY = ev.getY();
mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
mIsBeingDragged = false;
mCurrPercentage = 0;
mStartPoint = mInitialMotionY;
up = canChildScrollUp();
down = canChildScrollDown();
break;
case MotionEvent.ACTION_MOVE:
final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
if (pointerIndex < 0) {
Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id.");
return false;
}
final float y = MotionEventCompat.getY(ev, pointerIndex);
// final float yDiff = y - mInitialMotionY;
final float yDiff = y - mStartPoint;
if ((mLastDirection == Mode.PULL_FROM_START && yDiff < 0)
|| (mLastDirection == Mode.PULL_FROM_END && yDiff > 0)) {
return true;
}
if (!mIsBeingDragged && (yDiff > 0 && mLastDirection == Mode.PULL_FROM_START)
|| (yDiff < 0 && mLastDirection == Mode.PULL_FROM_END)) {
mIsBeingDragged = true;
}
if (mIsBeingDragged) {
// User velocity passed min velocity; trigger a refresh
if (yDiff > mDistanceToTriggerSync) {
// User movement passed distance; trigger a refresh
if (mLastDirection == Mode.PULL_FROM_END) {
return true;
}
if ((mMode == Mode.PULL_FROM_START) || (mMode == Mode.BOTH)) {
mLastDirection = Mode.PULL_FROM_START;
startRefresh();
}
} else if (-yDiff > mDistanceToTriggerSync) {
if ((!up && !down && !loadNoFull) || mLastDirection == Mode.PULL_FROM_START) {
return true;
}
if ((mMode == Mode.PULL_FROM_END) || (mMode == Mode.BOTH)) {
mLastDirection = Mode.PULL_FROM_END;
startLoad();
}
} else {
if (!up && !down && yDiff < 0 && !loadNoFull) {
return true;
}
// Just track the user's movement
// 根据手指移动距离设置进度条显示的百分比
setTriggerPercentage(
mAccelerateInterpolator.getInterpolation(Math.abs(yDiff) / mDistanceToTriggerSync));
updateContentOffsetTop((int) yDiff);
if (mTarget.getTop() == getPaddingTop()) {
// If the user puts the view back at the top, we
// don't need to. This shouldn't be considered
// cancelling the gesture as the user can restart from the top.
removeCallbacks(mCancel);
mLastDirection = Mode.DISABLED;
} else {
mDirection = (yDiff > 0 ? 1 : -1);
updatePositionTimeout();
}
}
mLastMotionY = y;
}
break;
case MotionEventCompat.ACTION_POINTER_DOWN:
{
final int index = MotionEventCompat.getActionIndex(ev);
mLastMotionY = MotionEventCompat.getY(ev, index);
mActivePointerId = MotionEventCompat.getPointerId(ev, index);
break;
}
case MotionEventCompat.ACTION_POINTER_UP:
onSecondaryPointerUp(ev);
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
mIsBeingDragged = false;
mCurrPercentage = 0;
mActivePointerId = INVALID_POINTER;
mLastDirection = Mode.DISABLED;
return false;
}
return true;
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
final int action = MotionEventCompat.getActionMasked(ev);
if (mReturningToStart && action == MotionEvent.ACTION_DOWN) {
mReturningToStart = false;
}
if (!isEnabled() || mReturningToStart || canChildScrollUp()) {
// Fail fast if we're not in a state where a swipe is possible
return false;
}
switch (action) {
case MotionEvent.ACTION_DOWN:
mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
mIsBeingDragged = false;
break;
case MotionEvent.ACTION_MOVE:
{
final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
if (pointerIndex < 0) {
Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id.");
return false;
}
final float y = MotionEventCompat.getY(ev, pointerIndex);
final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE;
if (mIsBeingDragged) {
if (overscrollTop > 0) {
moveSpinner(overscrollTop);
} else {
return false;
}
}
break;
}
case MotionEventCompat.ACTION_POINTER_DOWN:
{
final int index = MotionEventCompat.getActionIndex(ev);
mActivePointerId = MotionEventCompat.getPointerId(ev, index);
break;
}
case MotionEventCompat.ACTION_POINTER_UP:
onSecondaryPointerUp(ev);
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
{
if (mActivePointerId == INVALID_POINTER) {
if (action == MotionEvent.ACTION_UP) {
Log.e(LOG_TAG, "Got ACTION_UP event but don't have an active pointer id.");
}
return false;
}
final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
final float y = MotionEventCompat.getY(ev, pointerIndex);
final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE;
mIsBeingDragged = false;
finishSpinner(overscrollTop);
mActivePointerId = INVALID_POINTER;
return false;
}
}
return true;
}
public boolean onTouchEvent(MotionEvent ev) {
int action = MotionEventCompat.getActionMasked(ev);
if ((this.mReturningToStart) && (action == 0)) {
this.mReturningToStart = false;
}
if ((!isEnabled()) || (this.mReturningToStart) || (canChildScrollUp())) {
return false;
}
switch (action) {
case 0:
this.mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
this.mIsBeingDragged = false;
break;
case 2:
int pointerIndex = MotionEventCompat.findPointerIndex(ev, this.mActivePointerId);
if (pointerIndex < 0) {
Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id.");
return false;
}
float y = MotionEventCompat.getY(ev, pointerIndex);
float overscrollTop = (y - this.mInitialMotionY) * 0.5F;
if (this.mIsBeingDragged) {
this.mProgress.showArrow(true);
float originalDragPercent = overscrollTop / this.mTotalDragDistance;
if (originalDragPercent < 0.0F) {
return false;
}
float dragPercent = Math.min(1.0F, Math.abs(originalDragPercent));
float adjustedPercent = (float) Math.max(dragPercent - 0.4D, 0.0D) * 5.0F / 3.0F;
float extraOS = Math.abs(overscrollTop) - this.mTotalDragDistance;
float slingshotDist =
this.mUsingCustomStart
? this.mSpinnerFinalOffset - this.mOriginalOffsetTop
: this.mSpinnerFinalOffset;
float tensionSlingshotPercent =
Math.max(0.0F, Math.min(extraOS, slingshotDist * 2.0F) / slingshotDist);
float tensionPercent =
(float)
(tensionSlingshotPercent / 4.0F
- Math.pow(tensionSlingshotPercent / 4.0F, 2.0D))
* 2.0F;
float extraMove = slingshotDist * tensionPercent * 2.0F;
int targetY = this.mOriginalOffsetTop + (int) (slingshotDist * dragPercent + extraMove);
if (this.mCircleView.getVisibility() != 0) {
this.mCircleView.setVisibility(0);
}
if (!this.mScale) {
ViewCompat.setScaleX(this.mCircleView, 1.0F);
ViewCompat.setScaleY(this.mCircleView, 1.0F);
}
if (overscrollTop < this.mTotalDragDistance) {
if (this.mScale) {
setAnimationProgress(overscrollTop / this.mTotalDragDistance);
}
if ((this.mProgress.getAlpha() > 76)
&& (!isAnimationRunning(this.mAlphaStartAnimation))) {
startProgressAlphaStartAnimation();
}
float strokeStart = adjustedPercent * 0.8F;
this.mProgress.setStartEndTrim(0.0F, Math.min(0.8F, strokeStart));
this.mProgress.setArrowScale(Math.min(1.0F, adjustedPercent));
} else if ((this.mProgress.getAlpha() < 255)
&& (!isAnimationRunning(this.mAlphaMaxAnimation))) {
startProgressAlphaMaxAnimation();
}
float rotation = (-0.25F + 0.4F * adjustedPercent + tensionPercent * 2.0F) * 0.5F;
this.mProgress.setProgressRotation(rotation);
setTargetOffsetTopAndBottom(targetY - this.mCurrentTargetOffsetTop, true);
}
break;
case 5:
int index = MotionEventCompat.getActionIndex(ev);
this.mActivePointerId = MotionEventCompat.getPointerId(ev, index);
break;
case 6:
onSecondaryPointerUp(ev);
break;
case 1:
case 3:
if (this.mActivePointerId == -1) {
if (action == 1) {
Log.e(LOG_TAG, "Got ACTION_UP event but don't have an active pointer id.");
}
return false;
}
int pointerIndex_1 = MotionEventCompat.findPointerIndex(ev, this.mActivePointerId);
float y_1 = MotionEventCompat.getY(ev, pointerIndex_1);
float overscrollTop_1 = (y_1 - this.mInitialMotionY) * 0.5F;
this.mIsBeingDragged = false;
if (overscrollTop_1 > this.mTotalDragDistance) {
setRefreshing(true, true);
} else {
this.mRefreshing = false;
this.mProgress.setStartEndTrim(0.0F, 0.0F);
Animation.AnimationListener listener = null;
if (!this.mScale)
listener =
new Animation.AnimationListener() {
public void onAnimationStart(Animation animation) {}
public void onAnimationEnd(Animation animation) {
if (!MySwipeRefreshLayout.this.mScale)
MySwipeRefreshLayout.this.startScaleDownAnimation(null);
}
public void onAnimationRepeat(Animation animation) {}
};
animateOffsetToStartPosition(this.mCurrentTargetOffsetTop, listener);
this.mProgress.showArrow(false);
}
this.mActivePointerId = -1;
return false;
case 4:
}
return true;
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (!mEnabled
|| !mIsDragging
&& !mLastTouchAllowed
&& !allowSlidingFromHereX(ev, mInitialX)
&& !allowSlidingFromHereY(ev, mInitialY)) {
return false;
}
final int action = ev.getAction();
if (action == MotionEvent.ACTION_UP
|| action == MotionEvent.ACTION_CANCEL
|| action == MotionEvent.ACTION_OUTSIDE) {
mLastTouchAllowed = false;
} else {
mLastTouchAllowed = true;
}
if (mVelocityTracker == null) {
mVelocityTracker = VelocityTracker.obtain();
}
mVelocityTracker.addMovement(ev);
switch (action & MotionEventCompat.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
completeScroll();
// Remember where the motion event started
mLastX = mInitialX = ev.getX();
mLastY = mInitialY = ev.getY();
mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
break;
case MotionEvent.ACTION_MOVE:
if (!mIsDragging) {
final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
if (pointerIndex == -1) {
mActivePointerId = INVALID_POINTER;
break;
}
final float x = MotionEventCompat.getX(ev, pointerIndex);
final float xDiff = Math.abs(x - mLastX);
final float y = MotionEventCompat.getY(ev, pointerIndex);
final float yDiff = Math.abs(y - mLastY);
if (xDiff > mTouchSlop && xDiff > yDiff) {
mIsDragging = true;
mLastX = x;
setDrawingCacheEnabled(true);
} else if (yDiff > mTouchSlop && yDiff > xDiff) {
mIsDragging = true;
mLastY = y;
setDrawingCacheEnabled(true);
}
}
if (mIsDragging) {
// Scroll to follow the motion event
final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
if (activePointerIndex == -1) {
mActivePointerId = INVALID_POINTER;
break;
}
final float x = MotionEventCompat.getX(ev, activePointerIndex);
final float y = MotionEventCompat.getY(ev, activePointerIndex);
final float deltaX = mLastX - x;
final float deltaY = mLastY - y;
mLastX = x;
mLastY = y;
final float oldScrollX = getScrollX();
final float oldScrollY = getScrollY();
float scrollX = oldScrollX + deltaX;
float scrollY = oldScrollY + deltaY;
// Log.d("Layer", String.format("Layer scrollX[%f],scrollY[%f]", scrollX, scrollY));
final float leftBound, rightBound;
final float bottomBound, topBound;
switch (mScreenSide) {
case STICK_TO_LEFT:
topBound = bottomBound = rightBound = 0;
leftBound = getWidth(); // How far left we can scroll
break;
case STICK_TO_MIDDLE:
topBound = getHeight();
bottomBound = -getHeight();
leftBound = getWidth();
rightBound = -getWidth();
break;
case STICK_TO_RIGHT:
rightBound = -getWidth();
topBound = bottomBound = leftBound = 0;
break;
case STICK_TO_TOP:
topBound = getHeight();
bottomBound = rightBound = leftBound = 0;
break;
case STICK_TO_BOTTOM:
topBound = rightBound = leftBound = 0;
bottomBound = -getHeight();
break;
default:
topBound = bottomBound = rightBound = leftBound = 0;
break;
}
if (scrollX > leftBound) {
scrollX = leftBound;
} else if (scrollX < rightBound) {
scrollX = rightBound;
}
if (scrollY > topBound) {
scrollY = topBound;
} else if (scrollY < bottomBound) {
scrollY = bottomBound;
}
// Keep the precision
mLastX += scrollX - (int) scrollX;
mLastY += scrollY - (int) scrollY;
scrollTo((int) scrollX, (int) scrollY);
}
break;
case MotionEvent.ACTION_UP:
if (mIsDragging) {
final VelocityTracker velocityTracker = mVelocityTracker;
velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
final int initialVelocityX =
(int) VelocityTrackerCompat.getXVelocity(velocityTracker, mActivePointerId);
final int initialVelocityY =
(int) VelocityTrackerCompat.getYVelocity(velocityTracker, mActivePointerId);
final int scrollX = getScrollX();
final int scrollY = getScrollY();
final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
final float x = MotionEventCompat.getX(ev, activePointerIndex);
final float y = MotionEventCompat.getY(ev, activePointerIndex);
final int totalDeltaX = (int) (x - mInitialX);
final int totalDeltaY = (int) (y - mInitialY);
boolean nextStateOpened =
determineNextStateOpened(
mIsOpen,
scrollX,
scrollY,
initialVelocityX,
initialVelocityY,
totalDeltaX,
totalDeltaY);
switchLayer(nextStateOpened, true, true, initialVelocityX, initialVelocityY);
mActivePointerId = INVALID_POINTER;
endDrag();
} else if (mIsOpen && closeOnTapEnabled) {
closeLayer(true);
} else if (!mIsOpen && openOnTapEnabled) {
openLayer(true);
}
break;
case MotionEvent.ACTION_CANCEL:
if (mIsDragging) {
switchLayer(mIsOpen, true, true);
mActivePointerId = INVALID_POINTER;
endDrag();
}
break;
case MotionEventCompat.ACTION_POINTER_DOWN:
{
final int index = MotionEventCompat.getActionIndex(ev);
mLastX = MotionEventCompat.getX(ev, index);
mLastY = MotionEventCompat.getY(ev, index);
mActivePointerId = MotionEventCompat.getPointerId(ev, index);
break;
}
case MotionEventCompat.ACTION_POINTER_UP:
onSecondaryPointerUp(ev);
mLastX =
MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId));
mLastY =
MotionEventCompat.getY(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId));
break;
}
if (mActivePointerId == INVALID_POINTER) {
mLastTouchAllowed = false;
}
return true;
}
@Override
public boolean onTouchEvent(android.view.MotionEvent ev) {
if (super.onTouchEvent(ev)) return true;
if ((mViewPager == null) || (mViewPager.getAdapter().getCount() == 0)) return false;
final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
switch (action) {
case MotionEvent.ACTION_DOWN:
mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
mLastMotionX = ev.getX();
break;
case MotionEvent.ACTION_MOVE:
{
final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
final float x = MotionEventCompat.getX(ev, activePointerIndex);
final float deltaX = x - mLastMotionX;
if (!mIsDragging) {
if (Math.abs(deltaX) > mTouchSlop) {
mIsDragging = true;
}
}
if (mIsDragging) {
mLastMotionX = x;
if (mViewPager.isFakeDragging() || mViewPager.beginFakeDrag()) {
mViewPager.fakeDragBy(deltaX);
}
}
break;
}
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
if (!mIsDragging) {
final int count = mViewPager.getAdapter().getCount();
final int width = getWidth();
final float halfWidth = width / 2f;
final float sixthWidth = width / 6f;
final float leftThird = halfWidth - sixthWidth;
final float rightThird = halfWidth + sixthWidth;
final float eventX = ev.getX();
if (eventX < leftThird) {
if (mCurrentPage > 0) {
if (action != MotionEvent.ACTION_CANCEL) {
mViewPager.setCurrentItem(mCurrentPage - 1);
}
return true;
}
} else if (eventX > rightThird) {
if (mCurrentPage < count - 1) {
if (action != MotionEvent.ACTION_CANCEL) {
mViewPager.setCurrentItem(mCurrentPage + 1);
}
return true;
}
} else {
// Middle third
if (mCenterItemClickListener != null && action != MotionEvent.ACTION_CANCEL) {
mCenterItemClickListener.onCenterItemClick(mCurrentPage);
}
}
}
mIsDragging = false;
mActivePointerId = INVALID_POINTER;
if (mViewPager.isFakeDragging()) {
mViewPager.endFakeDrag();
}
break;
case MotionEventCompat.ACTION_POINTER_DOWN:
{
final int index = MotionEventCompat.getActionIndex(ev);
mLastMotionX = MotionEventCompat.getX(ev, index);
mActivePointerId = MotionEventCompat.getPointerId(ev, index);
break;
}
case MotionEventCompat.ACTION_POINTER_UP:
final int pointerIndex = MotionEventCompat.getActionIndex(ev);
final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
if (pointerId == mActivePointerId) {
final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
}
mLastMotionX =
MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId));
break;
}
return true;
}
public boolean onTouchEvent(MotionEvent paramMotionEvent) {
int i1 = 0;
if (super.onTouchEvent(paramMotionEvent)) {}
label317:
do {
do {
float f1;
float f2;
do {
do {
do {
return true;
if ((f == null) || (f.getAdapter().getCount() == 0)) {
return false;
}
i2 = paramMotionEvent.getAction() & 0xFF;
switch (i2) {
case 4:
default:
return true;
case 0:
a = MotionEventCompat.getPointerId(paramMotionEvent, 0);
p = paramMotionEvent.getX();
return true;
case 2:
f1 =
MotionEventCompat.getX(
paramMotionEvent,
MotionEventCompat.findPointerIndex(paramMotionEvent, a));
f2 = f1 - p;
if ((!q) && (Math.abs(f2) > o)) {
q = true;
}
break;
}
} while (!q);
p = f1;
} while ((!f.isFakeDragging()) && (!f.beginFakeDrag()));
f.fakeDragBy(f2);
return true;
if (q) {
break label317;
}
i1 = f.getAdapter().getCount();
int i3 = getWidth();
f1 = i3 / 2.0F;
f2 = i3 / 6.0F;
if ((h <= 0) || (paramMotionEvent.getX() >= f1 - f2)) {
break;
}
} while (i2 == 3);
f.setCurrentItem(h - 1);
return true;
if ((h >= i1 - 1) || (paramMotionEvent.getX() <= f2 + f1)) {
break;
}
} while (i2 == 3);
f.setCurrentItem(h + 1);
return true;
q = false;
a = -1;
} while (!f.isFakeDragging());
f.endFakeDrag();
return true;
i1 = MotionEventCompat.getActionIndex(paramMotionEvent);
p = MotionEventCompat.getX(paramMotionEvent, i1);
a = MotionEventCompat.getPointerId(paramMotionEvent, i1);
return true;
int i2 = MotionEventCompat.getActionIndex(paramMotionEvent);
if (MotionEventCompat.getPointerId(paramMotionEvent, i2) == a) {
if (i2 == 0) {
i1 = 1;
}
a = MotionEventCompat.getPointerId(paramMotionEvent, i1);
}
p =
MotionEventCompat.getX(
paramMotionEvent, MotionEventCompat.findPointerIndex(paramMotionEvent, a));
return true;
}
public boolean onTouchEvent(android.view.MotionEvent ev) {
if ((mViewPager == null) || (mViewPager.getAdapter().getCount() == 0)) {
return false;
}
final int action = ev.getAction();
switch (action & MotionEventCompat.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
mLastMotionX = ev.getX();
break;
case MotionEvent.ACTION_MOVE:
{
final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
final float x = MotionEventCompat.getX(ev, activePointerIndex);
final float deltaX = x - mLastMotionX;
if (!mIsDragging) {
if (Math.abs(deltaX) > mTouchSlop) {
mIsDragging = true;
}
}
if (mIsDragging) {
if (!mViewPager.isFakeDragging()) {
mViewPager.beginFakeDrag();
}
mLastMotionX = x;
mViewPager.fakeDragBy(deltaX);
}
break;
}
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
if (!mIsDragging) {
final int count = mViewPager.getAdapter().getCount();
final int width = getWidth();
final float halfWidth = width / 2f;
final float sixthWidth = width / 6f;
if ((mCurrentPage > 0) && (ev.getX() < halfWidth - sixthWidth)) {
mViewPager.setCurrentItem(mCurrentPage - 1);
return true;
} else if ((mCurrentPage < count - 1) && (ev.getX() > halfWidth + sixthWidth)) {
mViewPager.setCurrentItem(mCurrentPage + 1);
return true;
}
}
mIsDragging = false;
mActivePointerId = INVALID_POINTER;
if (mViewPager.isFakeDragging()) mViewPager.endFakeDrag();
break;
case MotionEventCompat.ACTION_POINTER_DOWN:
{
final int index = MotionEventCompat.getActionIndex(ev);
final float x = MotionEventCompat.getX(ev, index);
mLastMotionX = x;
mActivePointerId = MotionEventCompat.getPointerId(ev, index);
break;
}
case MotionEventCompat.ACTION_POINTER_UP:
final int pointerIndex = MotionEventCompat.getActionIndex(ev);
final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
if (pointerId == mActivePointerId) {
final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
}
mLastMotionX =
MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId));
break;
}
return true;
};
@Override
public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
Log.d(TAG, "onInterceptTouchEvent: " + e.getAction());
int action = MotionEventCompat.getActionMasked(e);
int x = (int) e.getX();
int y = (int) e.getY();
// 如果RecyclerView滚动状态不是空闲targetView不是空
if (rv.getScrollState() != RecyclerView.SCROLL_STATE_IDLE) {
if (mTargetView != null) {
// 隐藏已经打开
smoothHorizontalExpandOrCollapse(DEFAULT_DURATION / 2);
mTargetView = null;
}
return false;
}
// 如果正在运行动画 ，直接拦截什么都不做
if (mExpandAndCollapseAnim != null && mExpandAndCollapseAnim.isRunning()) {
return true;
}
boolean needIntercept = false;
switch (action) {
case MotionEvent.ACTION_DOWN:
mActivePointerId = MotionEventCompat.getPointerId(e, 0);
mLastX = (int) e.getX();
mLastY = (int) e.getY();
/*
* 如果之前有一个已经打开的项目，当此次点击事件没有发生在右侧的菜单中则返回TRUE，
* 如果点击的是右侧菜单那么返回FALSE这样做的原因是因为菜单需要响应Onclick
* */
if (mTargetView != null) {
return !inView(x, y);
}
// 查找需要显示菜单的view;
mTargetView = mCallback.findTargetView(x, y);
break;
case MotionEvent.ACTION_MOVE:
int deltaX = (x - mLastX);
int deltaY = (y - mLastY);
if (Math.abs(deltaY) > Math.abs(deltaX)) return false;
// 如果移动距离达到要求，则拦截
needIntercept = mIsDragging = mTargetView != null && Math.abs(deltaX) >= mTouchSlop;
break;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
/*
* 走这是因为没有发生过拦截事件
* */
if (isExpanded()) {
if (inView(x, y)) {
// 如果走这那行这个ACTION_UP的事件会发生在右侧的菜单中
Log.d(TAG, "click item");
} else {
// 拦截事件,防止targetView执行onClick事件
needIntercept = true;
}
// 折叠菜单
smoothHorizontalExpandOrCollapse(DEFAULT_DURATION / 2);
}
mTargetView = null;
break;
}
return needIntercept;
}