private boolean isInIgnoredView(MotionEvent ev) { Rect rect = new Rect(); for (View v : mIgnoredViews) { v.getHitRect(rect); if (rect.contains((int) ev.getX(), (int) ev.getY())) return true; } return false; }
private boolean thisTouchAllowed(MotionEvent ev) { int x = (int) (ev.getX() + mScrollX); if (isMenuOpen()) { return mViewBehind.menuOpenTouchAllowed(mContent, mCurItem, x); } else { switch (mTouchMode) { case SlidingMenu.TOUCHMODE_FULLSCREEN: return !isInIgnoredView(ev); case SlidingMenu.TOUCHMODE_NONE: return false; case SlidingMenu.TOUCHMODE_MARGIN: return mViewBehind.marginTouchAllowed(mContent, x); } } return false; }
@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); if (mViewBehind.getbMode()) { mLastMotionX = mInitialMotionX = ev.getY(); } else { 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; if (mViewBehind.getbMode()) { final float y = MotionEventCompat.getY(ev, activePointerIndex); final float deltaY = mLastMotionY - y; mLastMotionY = y; float oldScrollY = getScrollY(); float scrollY = oldScrollY + deltaY; final float leftBound = getLeftBound(); final float rightBound = getRightBound(); if (scrollY < leftBound) { scrollY = leftBound; } else if (scrollY > rightBound) { scrollY = rightBound; } // Don't lose the rounded component mLastMotionY += scrollY - (int) scrollY; scrollTo(getScrollX(), (int) scrollY); pageScrolled((int) scrollY); } else { 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); if (mViewBehind.getbMode()) { int initialVelocity = (int) VelocityTrackerCompat.getYVelocity(velocityTracker, mActivePointerId); final int scrollY = getScrollY(); final float pageOffset = (float) (scrollY - getDestScrollX(mCurItem)) / getBehindWidth(); final int activePointerIndex = getPointerIndex(ev, mActivePointerId); if (mActivePointerId != INVALID_POINTER) { final float y = MotionEventCompat.getY(ev, activePointerIndex); final int totalDelta = (int) (y - mInitialMotionX); int nextPage = determineTargetPage(pageOffset, initialVelocity, totalDelta); setCurrentItemInternal(nextPage, true, true, initialVelocity); } else { setCurrentItemInternal(mCurItem, true, true, initialVelocity); } } else { 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); if (mViewBehind.getbMode()) { mLastMotionY = MotionEventCompat.getY(ev, indexx); } else { 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; if (mViewBehind.getbMode()) { mLastMotionY = MotionEventCompat.getY(ev, pointerIndex); } else { mLastMotionX = MotionEventCompat.getX(ev, pointerIndex); } break; } return true; }
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { if (!mEnabled) return false; final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; if (DEBUG) if (action == MotionEvent.ACTION_DOWN) Log.v(TAG, "Received ACTION_DOWN"); 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; if (mViewBehind.getbMode()) { mLastMotionY = mInitialMotionX = MotionEventCompat.getY(ev, index); mLastMotionX = MotionEventCompat.getX(ev, index); if (thisTouchAllowed(ev)) { mIsBeingDragged = false; mIsUnableToDrag = false; if (isMenuOpen() && mViewBehind.menuTouchInQuickReturn(mContent, mCurItem, ev.getY() + mScrollX)) { mQuickReturn = true; } } else { mIsUnableToDrag = true; } } else { 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; }