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

Example 96 with ViewParent

use of android.view.ViewParent in project ADWLauncher2 by boombuler.

the class Workspace method focusableViewAvailable.

/**
     * If one of our descendant views decides that it could be focused now, only
     * pass that along if it's on the current screen.
     *
     * This happens when live folders requery, and if they're off screen, they
     * end up calling requestFocus, which pulls it on screen.
     */
@Override
public void focusableViewAvailable(View focused) {
    View current = getChildAt(mCurrentScreen);
    View v = focused;
    while (true) {
        if (v == current) {
            super.focusableViewAvailable(focused);
            return;
        }
        if (v == this) {
            return;
        }
        ViewParent parent = v.getParent();
        if (parent instanceof View) {
            v = (View) v.getParent();
        } else {
            return;
        }
    }
}

Example 97 with ViewParent

use of android.view.ViewParent in project ADWLauncher2 by boombuler.

the class Workspace method getScreenForView.

public int getScreenForView(View v) {
    int result = -1;
    if (v != null) {
        ViewParent vp = v.getParent();
        int count = getChildCount();
        for (int i = 0; i < count; i++) {
            if (vp == getChildAt(i)) {
                return i;
            }
        }
    }
    return result;
}

Example 98 with ViewParent

use of android.view.ViewParent in project android-advancedrecyclerview by h6ah4i.

the class RecyclerViewDragDropManager method offsetDescendantRectToAncestorCoords.

private static boolean offsetDescendantRectToAncestorCoords(View descendant, View ancestor, Rect rect) {
    View view = descendant;
    ViewParent parent;
    do {
        parent = view.getParent();
        if (!(parent instanceof ViewGroup)) {
            return false;
        }
        ((ViewGroup) parent).offsetDescendantRectToMyCoords(view, rect);
        view = (View) parent;
    } while (parent != ancestor);
    return true;
}

Example 99 with ViewParent

use of android.view.ViewParent in project PullToRefreshLibrary by harichen.

the class PullToRefreshAdapterViewBase method setEmptyView.

/**
	 * Sets the Empty View to be used by the Adapter View.
	 * <p/>
	 * We need it handle it ourselves so that we can Pull-to-Refresh when the
	 * Empty View is shown.
	 * <p/>
	 * Please note, you do <strong>not</strong> usually need to call this method
	 * yourself. Calling setEmptyView on the AdapterView will automatically call
	 * this method and set everything up. This includes when the Android
	 * Framework automatically sets the Empty View based on it's ID.
	 * 
	 * @param newEmptyView - Empty View to be used
	 */
public final void setEmptyView(View newEmptyView) {
    FrameLayout refreshableViewWrapper = getRefreshableViewWrapper();
    if (null != newEmptyView) {
        // New view needs to be clickable so that Android recognizes it as a
        // target for Touch Events
        newEmptyView.setClickable(true);
        ViewParent newEmptyViewParent = newEmptyView.getParent();
        if (null != newEmptyViewParent && newEmptyViewParent instanceof ViewGroup) {
            ((ViewGroup) newEmptyViewParent).removeView(newEmptyView);
        }
        // We need to convert any LayoutParams so that it works in our
        // FrameLayout
        FrameLayout.LayoutParams lp = convertEmptyViewLayoutParams(newEmptyView.getLayoutParams());
        if (null != lp) {
            refreshableViewWrapper.addView(newEmptyView, lp);
        } else {
            refreshableViewWrapper.addView(newEmptyView);
        }
    }
    if (mRefreshableView instanceof EmptyViewMethodAccessor) {
        ((EmptyViewMethodAccessor) mRefreshableView).setEmptyViewInternal(newEmptyView);
    } else {
        mRefreshableView.setEmptyView(newEmptyView);
    }
    mEmptyView = newEmptyView;
}

Example 100 with ViewParent

use of android.view.ViewParent in project rebound by facebook.

the class SpringScrollView method onTouchEvent.

@Override
public boolean onTouchEvent(MotionEvent ev) {
    initVelocityTrackerIfNotExists();
    mVelocityTracker.addMovement(ev);
    final int action = ev.getAction();
    switch(action & MotionEvent.ACTION_MASK) {
        case MotionEvent.ACTION_DOWN:
            {
                if (getChildCount() == 0) {
                    return false;
                }
                if ((mIsBeingDragged = !mScroller.isFinished())) {
                    final ViewParent parent = getParent();
                    if (parent != null) {
                        parent.requestDisallowInterceptTouchEvent(true);
                    }
                }
                /*
                 * If being flinged and user touches, stop the fling. isFinished
                 * will be false if being flinged.
                 */
                if (!mScroller.isFinished()) {
                    mScroller.abortAnimation();
                }
                // Remember where the motion event started
                mLastMotionY = (int) ev.getY();
                mActivePointerId = ev.getPointerId(0);
                break;
            }
        case MotionEvent.ACTION_MOVE:
            final int activePointerIndex = ev.findPointerIndex(mActivePointerId);
            if (activePointerIndex == -1) {
                Log.e(TAG, "Invalid pointerId=" + mActivePointerId + " in onTouchEvent");
                break;
            }
            final int y = (int) ev.getY(activePointerIndex);
            int deltaY = mLastMotionY - y;
            if (!mIsBeingDragged && Math.abs(deltaY) > mTouchSlop) {
                final ViewParent parent = getParent();
                if (parent != null) {
                    parent.requestDisallowInterceptTouchEvent(true);
                }
                mIsBeingDragged = true;
                if (deltaY > 0) {
                    deltaY -= mTouchSlop;
                } else {
                    deltaY += mTouchSlop;
                }
            }
            if (mIsBeingDragged) {
                // Scroll to follow the motion event
                mLastMotionY = y;
                final int oldX = getScrollX();
                final int oldY = getScrollY();
                final int range = getScrollRange();
                final int overscrollMode = getOverScrollMode();
                final boolean canOverscroll = overscrollMode == OVER_SCROLL_ALWAYS || (overscrollMode == OVER_SCROLL_IF_CONTENT_SCROLLS && range > 0);
                // calls onScrollChanged if applicable.
                if (overScrollBy(0, deltaY, 0, getScrollY(), 0, range, 0, mOverscrollDistance, true)) {
                    // Break our velocity if we hit a scroll barrier.
                    mVelocityTracker.clear();
                }
            }
            break;
        case MotionEvent.ACTION_UP:
            if (mIsBeingDragged) {
                final VelocityTracker velocityTracker = mVelocityTracker;
                velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
                int initialVelocity = (int) velocityTracker.getYVelocity(mActivePointerId);
                if (getChildCount() > 0) {
                    if ((Math.abs(initialVelocity) > mMinimumVelocity)) {
                        fling(-initialVelocity);
                    } else {
                        if (mScroller.springBack(getScrollX(), getScrollY(), 0, 0, 0, getScrollRange())) {
                            postInvalidateOnAnimation();
                        }
                    }
                }
                mActivePointerId = INVALID_POINTER;
                endDrag();
            }
            break;
        case MotionEvent.ACTION_CANCEL:
            if (mIsBeingDragged && getChildCount() > 0) {
                if (mScroller.springBack(getScrollX(), getScrollY(), 0, 0, 0, getScrollRange())) {
                    postInvalidateOnAnimation();
                }
                mActivePointerId = INVALID_POINTER;
                endDrag();
            }
            break;
        case MotionEvent.ACTION_POINTER_DOWN:
            {
                final int index = ev.getActionIndex();
                mLastMotionY = (int) ev.getY(index);
                mActivePointerId = ev.getPointerId(index);
                break;
            }
        case MotionEvent.ACTION_POINTER_UP:
            onSecondaryPointerUp(ev);
            mLastMotionY = (int) ev.getY(ev.findPointerIndex(mActivePointerId));
            break;
    }
    return true;
}