Examples with ViewParent android.view.ViewParent used on opensource projects

Example 66 with ViewParent

use of android.view.ViewParent in project AutoLoadListView by ZhaoKaiQiang.

the class ZSwipeItem method onTouchEvent.

@Override
public boolean onTouchEvent(MotionEvent event) {
    if (!isEnabledInAdapterView() || !isEnabled())
        return true;
    if (!isSwipeEnabled())
        return super.onTouchEvent(event);
    int action = event.getActionMasked();
    ViewParent parent = getParent();
    gestureDetector.onTouchEvent(event);
    Status status = getOpenStatus();
    ViewGroup touching = null;
    if (status == Status.Close) {
        touching = getSurfaceView();
    } else if (status == Status.Open) {
        touching = getBottomView();
    }
    switch(action) {
        case MotionEvent.ACTION_DOWN:
            mDragHelper.processTouchEvent(event);
            parent.requestDisallowInterceptTouchEvent(true);
            sX = event.getRawX();
            sY = event.getRawY();
            if (touching != null)
                touching.setPressed(true);
            return true;
        case MotionEvent.ACTION_MOVE:
            {
                if (sX == -1 || sY == -1) {
                    // Trick:
                    // When in nested mode, we need to send a constructed
                    // ACTION_DOWN MotionEvent to mDragHelper, to help
                    // it initialize itself.
                    event.setAction(MotionEvent.ACTION_DOWN);
                    mDragHelper.processTouchEvent(event);
                    parent.requestDisallowInterceptTouchEvent(true);
                    sX = event.getRawX();
                    sY = event.getRawY();
                    return true;
                }
                float distanceX = event.getRawX() - sX;
                float distanceY = event.getRawY() - sY;
                float angle = Math.abs(distanceY / distanceX);
                angle = (float) Math.toDegrees(Math.atan(angle));
                boolean doNothing = false;
                // 根据触摸角度，判断是否执行用户操作
                if (mDragEdge == DragEdge.Right) {
                    boolean suitable = (status == Status.Open && distanceX > 0) || (status == Status.Close && distanceX < 0);
                    suitable = suitable || (status == Status.Middle);
                    if (angle > 30 || !suitable) {
                        doNothing = true;
                    }
                }
                if (mDragEdge == DragEdge.Left) {
                    boolean suitable = (status == Status.Open && distanceX < 0) || (status == Status.Close && distanceX > 0);
                    suitable = suitable || status == Status.Middle;
                    if (angle > 30 || !suitable) {
                        doNothing = true;
                    }
                }
                if (mDragEdge == DragEdge.Top) {
                    boolean suitable = (status == Status.Open && distanceY < 0) || (status == Status.Close && distanceY > 0);
                    suitable = suitable || status == Status.Middle;
                    if (angle < 60 || !suitable) {
                        doNothing = true;
                    }
                }
                if (mDragEdge == DragEdge.Bottom) {
                    boolean suitable = (status == Status.Open && distanceY > 0) || (status == Status.Close && distanceY < 0);
                    suitable = suitable || status == Status.Middle;
                    if (angle < 60 || !suitable) {
                        doNothing = true;
                    }
                }
                if (doNothing) {
                    // 拦截触摸事件
                    parent.requestDisallowInterceptTouchEvent(false);
                    return false;
                } else {
                    if (touching != null) {
                        touching.setPressed(false);
                    }
                    parent.requestDisallowInterceptTouchEvent(true);
                    mDragHelper.processTouchEvent(event);
                }
                break;
            }
        case MotionEvent.ACTION_UP:
        case MotionEvent.ACTION_CANCEL:
            {
                sX = -1;
                sY = -1;
                if (touching != null) {
                    touching.setPressed(false);
                }
            }
        default:
            parent.requestDisallowInterceptTouchEvent(true);
            mDragHelper.processTouchEvent(event);
    }
    return true;
}

Example 67 with ViewParent

use of android.view.ViewParent in project Carbon by ZieIony.

the class ItemTouchHelper method select.

/**
     * Starts dragging or swiping the given View. Call with null if you want to clear it.
     *
     * @param selected    The RowViewHolder to drag or swipe. Can be null if you want to cancel the
     *                    current action
     * @param actionState The type of action
     */
private void select(ViewHolder selected, int actionState) {
    if (selected == mSelected && actionState == mActionState) {
        return;
    }
    mDragScrollStartTimeInMs = Long.MIN_VALUE;
    final int prevActionState = mActionState;
    // prevent duplicate animations
    endRecoverAnimation(selected, true);
    mActionState = actionState;
    if (actionState == ACTION_STATE_DRAG) {
        // we remove after animation is complete. this means we only elevate the last drag
        // child but that should perform good enough as it is very hard to start dragging a
        // new child before the previous one settles.
        mOverdrawChild = selected.itemView;
        addChildDrawingOrderCallback();
    }
    int actionStateMask = (1 << (DIRECTION_FLAG_COUNT + DIRECTION_FLAG_COUNT * actionState)) - 1;
    boolean preventLayout = false;
    if (mSelected != null) {
        final ViewHolder prevSelected = mSelected;
        if (prevSelected.itemView.getParent() != null) {
            final int swipeDir = prevActionState == ACTION_STATE_DRAG ? 0 : swipeIfNecessary(prevSelected);
            releaseVelocityTracker();
            // find where we should animate to
            final float targetTranslateX, targetTranslateY;
            int animationType;
            switch(swipeDir) {
                case LEFT:
                case RIGHT:
                case START:
                case END:
                    targetTranslateY = 0;
                    targetTranslateX = Math.signum(mDx) * mRecyclerView.getWidth();
                    break;
                case UP:
                case DOWN:
                    targetTranslateX = 0;
                    targetTranslateY = Math.signum(mDy) * mRecyclerView.getHeight();
                    break;
                default:
                    targetTranslateX = 0;
                    targetTranslateY = 0;
            }
            if (prevActionState == ACTION_STATE_DRAG) {
                animationType = ANIMATION_TYPE_DRAG;
            } else if (swipeDir > 0) {
                animationType = ANIMATION_TYPE_SWIPE_SUCCESS;
            } else {
                animationType = ANIMATION_TYPE_SWIPE_CANCEL;
            }
            getSelectedDxDy(mTmpPosition);
            final float currentTranslateX = mTmpPosition[0];
            final float currentTranslateY = mTmpPosition[1];
            final RecoverAnimation rv = new RecoverAnimation(prevSelected, animationType, prevActionState, currentTranslateX, currentTranslateY, targetTranslateX, targetTranslateY) {

                @Override
                public void onAnimationEnd(ValueAnimatorCompat animation) {
                    super.onAnimationEnd(animation);
                    if (this.mOverridden) {
                        return;
                    }
                    if (swipeDir <= 0) {
                        // this is a drag or failed swipe. recover immediately
                        mCallback.clearView(mRecyclerView, prevSelected);
                    // full cleanup will happen on onDrawOver
                    } else {
                        // wait until remove animation is complete.
                        mPendingCleanup.add(prevSelected.itemView);
                        mIsPendingCleanup = true;
                        if (swipeDir > 0) {
                            // Animation might be ended by other animators during a layout.
                            // We defer callback to avoid editing adapter during a layout.
                            postDispatchSwipe(this, swipeDir);
                        }
                    }
                    // removed from the list after it is drawn for the last time
                    if (mOverdrawChild == prevSelected.itemView) {
                        removeChildDrawingOrderCallbackIfNecessary(prevSelected.itemView);
                    }
                }
            };
            final long duration = mCallback.getAnimationDuration(mRecyclerView, animationType, targetTranslateX - currentTranslateX, targetTranslateY - currentTranslateY);
            rv.setDuration(duration);
            mRecoverAnimations.add(rv);
            rv.start();
            preventLayout = true;
        } else {
            removeChildDrawingOrderCallbackIfNecessary(prevSelected.itemView);
            mCallback.clearView(mRecyclerView, prevSelected);
        }
        mSelected = null;
    }
    if (selected != null) {
        mSelectedFlags = (mCallback.getAbsoluteMovementFlags(mRecyclerView, selected) & actionStateMask) >> (mActionState * DIRECTION_FLAG_COUNT);
        mSelectedStartX = selected.itemView.getLeft();
        mSelectedStartY = selected.itemView.getTop();
        mSelected = selected;
        if (actionState == ACTION_STATE_DRAG) {
            mSelected.itemView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
        }
    }
    final ViewParent rvParent = mRecyclerView.getParent();
    if (rvParent != null) {
        rvParent.requestDisallowInterceptTouchEvent(mSelected != null);
    }
    if (!preventLayout) {
        mRecyclerView.getLayoutManager().requestSimpleAnimationsInNextLayout();
    }
    mCallback.onSelectedChanged(mSelected, mActionState);
    mRecyclerView.invalidate();
}

Example 68 with ViewParent

use of android.view.ViewParent in project Carbon by ZieIony.

the class ExpandableRecyclerView method dispatchTouchEvent.

@Override
public boolean dispatchTouchEvent(@NonNull MotionEvent ev) {
    if (header != null && (getChildCount() == 0 || getChildAt(0).getTop() + getScrollY() > ev.getY()))
        if (header.dispatchTouchEvent(ev))
            return true;
    switch(ev.getAction()) {
        case MotionEvent.ACTION_MOVE:
            float deltaY = prevY - ev.getY();
            if (!drag && Math.abs(deltaY) > mTouchSlop) {
                final ViewParent parent = getParent();
                if (parent != null) {
                    parent.requestDisallowInterceptTouchEvent(true);
                }
                drag = true;
                if (deltaY > 0) {
                    deltaY -= mTouchSlop;
                } else {
                    deltaY += mTouchSlop;
                }
            }
            if (drag) {
                final int oldY = computeVerticalScrollOffset();
                int range = computeVerticalScrollRange() - getHeight();
                if (header != null)
                    range += header.getHeight();
                boolean canOverscroll = overscrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overscrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && range > 0);
                if (canOverscroll) {
                    float pulledToY = oldY + deltaY;
                    if (pulledToY < 0) {
                        topGlow.onPull(deltaY / getHeight(), ev.getX() / getWidth());
                        if (!bottomGlow.isFinished())
                            bottomGlow.onRelease();
                    } else if (pulledToY > range) {
                        bottomGlow.onPull(deltaY / getHeight(), 1.f - ev.getX() / getWidth());
                        if (!topGlow.isFinished())
                            topGlow.onRelease();
                    }
                    if (topGlow != null && (!topGlow.isFinished() || !bottomGlow.isFinished()))
                        postInvalidate();
                }
            }
            break;
        case MotionEvent.ACTION_UP:
        case MotionEvent.ACTION_CANCEL:
            if (drag) {
                drag = false;
                if (topGlow != null) {
                    topGlow.onRelease();
                    bottomGlow.onRelease();
                }
            }
            break;
    }
    prevY = ev.getY();
    return super.dispatchTouchEvent(ev);
}

Example 69 with ViewParent

use of android.view.ViewParent in project Carbon by ZieIony.

the class SeekBar method onTouchEvent.

@Override
public boolean onTouchEvent(MotionEvent event) {
    if (event.getAction() == MotionEvent.ACTION_DOWN) {
        if (radiusAnimator != null)
            radiusAnimator.end();
        radiusAnimator = ValueAnimator.ofFloat(thumbRadius, THUMB_RADIUS_DRAGGED);
        radiusAnimator.setDuration(200);
        radiusAnimator.setInterpolator(interpolator);
        radiusAnimator.addUpdateListener(animation -> {
            thumbRadius = (float) animation.getAnimatedValue();
            postInvalidate();
        });
        radiusAnimator.start();
        ViewParent parent = getParent();
        if (parent != null)
            parent.requestDisallowInterceptTouchEvent(true);
        if (showLabel)
            popup.show(this);
    } else if (event.getAction() == MotionEvent.ACTION_CANCEL || event.getAction() == MotionEvent.ACTION_UP) {
        if (style == Style.Discrete) {
            float val = (float) Math.floor((value - min + step / 2) / step) * step + min;
            if (valueAnimator != null)
                valueAnimator.cancel();
            valueAnimator = ValueAnimator.ofFloat(value, val);
            valueAnimator.setDuration(200);
            valueAnimator.setInterpolator(interpolator);
            valueAnimator.addUpdateListener(animation -> {
                value = (float) animation.getAnimatedValue();
                int thumbX = (int) ((value - min) / (max - min) * (getWidth() - getPaddingLeft() - getPaddingRight()) + getPaddingLeft());
                int thumbY = getHeight() / 2;
                int radius = rippleDrawable.getRadius();
                rippleDrawable.setBounds(thumbX - radius, thumbY - radius, thumbX + radius, thumbY + radius);
                postInvalidate();
            });
            valueAnimator.start();
        }
        if (radiusAnimator != null)
            radiusAnimator.end();
        radiusAnimator = ValueAnimator.ofFloat(thumbRadius, THUMB_RADIUS);
        radiusAnimator.setDuration(200);
        radiusAnimator.setInterpolator(interpolator);
        radiusAnimator.addUpdateListener(animation -> {
            thumbRadius = (float) animation.getAnimatedValue();
            postInvalidate();
        });
        radiusAnimator.start();
        ViewParent parent = getParent();
        if (parent != null)
            parent.requestDisallowInterceptTouchEvent(false);
        if (showLabel)
            popup.dismiss();
    }
    float v = (event.getX() - getPaddingLeft()) / (getWidth() - getPaddingLeft() - getPaddingRight());
    v = Math.max(0, Math.min(v, 1));
    float newValue = v * (max - min) + min;
    int thumbX = (int) (v * (getWidth() - getPaddingLeft() - getPaddingRight()) + getPaddingLeft());
    int thumbY = getHeight() / 2;
    int radius = rippleDrawable.getRadius();
    if (showLabel) {
        int[] location = new int[2];
        getLocationInWindow(location);
        popup.setText(String.format(labelFormat, newValue));
        popup.update(thumbX + location[0] - popup.getBubbleWidth() / 2, thumbY - radius + location[1] - popup.getHeight());
    }
    if (rippleDrawable != null) {
        rippleDrawable.setHotspot(event.getX(), event.getY());
        rippleDrawable.setBounds(thumbX - radius, thumbY - radius, thumbX + radius, thumbY + radius);
    }
    postInvalidate();
    if (newValue != value && onValueChangedListener != null) {
        if (style == Style.Discrete) {
            int sv = stepValue(newValue);
            if (stepValue(value) != sv)
                onValueChangedListener.onValueChanged(this, sv);
        } else {
            onValueChangedListener.onValueChanged(this, newValue);
        }
    }
    value = newValue;
    super.onTouchEvent(event);
    return true;
}

Example 70 with ViewParent

use of android.view.ViewParent in project Carbon by ZieIony.

the class HorizontalScrollView method dispatchTouchEvent.

@Override
public boolean dispatchTouchEvent(@NonNull MotionEvent ev) {
    switch(ev.getAction()) {
        case MotionEvent.ACTION_MOVE:
            float deltaX = prevX - ev.getX();
            if (!drag && Math.abs(deltaX) > mTouchSlop) {
                final ViewParent parent = getParent();
                if (parent != null) {
                    parent.requestDisallowInterceptTouchEvent(true);
                }
                drag = true;
                if (deltaX > 0) {
                    deltaX -= mTouchSlop;
                } else {
                    deltaX += mTouchSlop;
                }
            }
            if (drag) {
                final int oldX = getScrollX();
                final int range = computeHorizontalScrollRange() - getWidth();
                boolean canOverscroll = overscrollMode == OVER_SCROLL_ALWAYS || (overscrollMode == OVER_SCROLL_IF_CONTENT_SCROLLS && range > 0);
                if (canOverscroll) {
                    float pulledToY = oldX + deltaX;
                    if (pulledToY < 0) {
                        leftGlow.onPull(deltaX / getWidth(), 1.f - ev.getY() / getHeight());
                        if (!rightGlow.isFinished())
                            rightGlow.onRelease();
                    } else if (pulledToY > range) {
                        rightGlow.onPull(deltaX / getWidth(), ev.getY() / getHeight());
                        if (!leftGlow.isFinished())
                            leftGlow.onRelease();
                    }
                    if (leftGlow != null && (!leftGlow.isFinished() || !rightGlow.isFinished()))
                        postInvalidate();
                }
            }
            break;
        case MotionEvent.ACTION_UP:
        case MotionEvent.ACTION_CANCEL:
            if (drag) {
                drag = false;
                if (leftGlow != null) {
                    leftGlow.onRelease();
                    rightGlow.onRelease();
                }
            }
            break;
    }
    prevX = ev.getX();
    return super.dispatchTouchEvent(ev);
}