/** Stop any movements. */
public void stopMovement() {
isBeingDragged = false;
dragWasCanceled = true;
if (!scroller.isFinished()) scroller.abortAnimation();
if (getScrollX() != 0 || getScrollY() != 0) super.scrollTo(0, 0);
update(false);
}
@Override
public void scrollTo(int x, int y) {
super.scrollTo(x, y);
mScrollX = x;
if (mEnabled) mViewBehind.scrollBehindTo(mContent, x, y);
// ((SlidingMenu)getParent()).manageLayers(getPercentOpen());
}
@Override
public void scrollTo(int x, int y) {
// TODO Auto-generated method stub
super.scrollTo(x, y);
if (null != sListener) {
sListener.onOffsetChanged(getScrollX());
}
postInvalidate();
}
@Override
public void scrollTo(int x, int y) {
super.scrollTo(x, y);
mScrollX = x;
mViewBehind.scrollBehindTo(mContent, x, y);
((SlidingMenu) getParent()).manageLayers(getPercentOpen());
if (mTransformer != null) {
invalidate();
}
}
/** package* */
void toggleWordWrap() {
ViewGroup vSrc = this.mWordWrap ? this.mWordWrapView : this.mNoWordWrapView;
ViewGroup vDst = this.mWordWrap ? this.mNoWordWrapView : this.mWordWrapView;
ViewGroup vSrcParent =
this.mWordWrap ? this.mWordWrapView : (ViewGroup) this.mNoWordWrapView.getChildAt(0);
ViewGroup vDstParent =
this.mWordWrap ? (ViewGroup) this.mNoWordWrapView.getChildAt(0) : this.mWordWrapView;
vSrc.setVisibility(View.GONE);
vSrcParent.removeView(this.mEditor);
vDstParent.addView(this.mEditor);
vDst.setVisibility(View.VISIBLE);
vDst.scrollTo(0, 0);
this.mWordWrap = !this.mWordWrap;
}
@Override
public void computeScroll() {
if (mScroller.computeScrollOffset()) {
mParentView.scrollTo(mScroller.getCurrX(), mScroller.getCurrY());
postInvalidate();
if (mScroller.isFinished()) {
if (onSildingFinishListener != null && isFinish) {
onSildingFinishListener.onSildingFinish();
}
}
}
}
/**
* Selects an item. Immediately scroll to this position.
*
* @param position
*/
public void setSelection(int position) {
if (adapter == null) throw new IllegalStateException();
dataChanged = true;
isBeingDragged = false;
dragWasCanceled = true;
if (!scroller.isFinished()) scroller.abortAnimation();
if (getScrollX() != 0 || getScrollY() != 0) super.scrollTo(0, 0);
previousSelectedObject = null;
selectedPosition = position;
if (LOG) LogManager.i(this, "setSelection: " + selectedPosition);
update(false);
if (selectedView == null) return;
ListView listView = (ListView) selectedView.findViewById(android.R.id.list);
listView.setAdapter(listView.getAdapter());
}
@Override
public void scrollTo(int x, int y) {
super.scrollTo(x, y);
mScrollX = x;
mViewBehind.scrollBehindTo(mContent, x, y);
}
@Override
public void scrollTo(int x, int y) {
super.scrollTo(x, y);
if (mTransformer != null) invalidate();
}
@Override
public void scrollTo(int x, int y) {
super.scrollTo(x, y);
mTouchX = x;
mSmoothingTime = System.nanoTime() / NANOTIME_DIV;
}
@Override
public void scrollTo(int x, int y) {
if (LOG) LogManager.i(this, "scrollTo: " + x + "," + y);
super.scrollTo(x, y);
update(false);
}
/**
* Updates scrolling, creates views if necessary .
*
* @param layout whether we need to update layout (remeasure).
*/
private void update(boolean layout) {
// Process data change.
final int count = getCount();
if (dataChanged) {
if (previousSelectedObject != null)
for (int position = 0; position < count; position++)
if (adapter.getItem(position).equals(previousSelectedObject)) {
selectedPosition = position;
if (LOG) LogManager.i(this, "Found selected position: " + selectedPosition);
break;
}
selectedPosition = correntPosition(selectedPosition);
}
// Process scrolling.
final int width = getWidth();
int scrollX = getScrollX();
if (width != 0) {
while (scrollX >= width) {
scrollX -= width;
initialScrollX -= width;
selectedPosition = correntPosition(selectedPosition + 1);
if (LOG) LogManager.i(this, "scrollX >= width: " + selectedPosition);
}
while (scrollX <= -width) {
scrollX += width;
initialScrollX += width;
selectedPosition = correntPosition(selectedPosition - 1);
if (LOG) LogManager.i(this, "scrollX <= -width: " + selectedPosition);
}
}
// Process low count.
if (count < 2) {
if (LOG) LogManager.i(this, "count < 2");
dragWasCanceled = true;
isBeingDragged = false;
if (!scroller.isFinished()) scroller.abortAnimation();
if (scrollX != 0) scrollX = 0;
}
// Store focus.
final View focus;
if (selectedView != null) focus = selectedView.findFocus();
else focus = null;
// Process selected view.
if (count == 0) {
if (LOG) LogManager.i(this, "count == 0");
selectedPosition = -1;
if (selectedView != null) {
if (onSelectListener != null) onSelectListener.onUnselect();
adapter.saveState(selectedView);
removeViewInLayout(selectedView);
selectedView = null;
// We must invalidate to update view.
invalidate();
}
} else {
if (LOG) LogManager.i(this, "count > 0");
// Exchange visible and selected views and previous objects.
final Object selectedObject = adapter.getItem(selectedPosition);
final boolean exchange =
previousSelectedObject != null
&& previousVisibleObject != null
&& !previousSelectedObject.equals(selectedObject)
&& previousVisibleObject.equals(selectedObject);
if (exchange) {
Object tempObject = previousSelectedObject;
previousSelectedObject = previousVisibleObject;
previousVisibleObject = tempObject;
View view = selectedView;
selectedView = visibleView;
visibleView = view;
}
// Update view.
final boolean update =
dataChanged
|| previousSelectedObject == null
|| !previousSelectedObject.equals(selectedObject);
selectedView = getView(selectedPosition, 0, selectedView, update, layout);
previousSelectedObject = selectedObject;
if (update || exchange) if (onSelectListener != null) onSelectListener.onSelect();
// Enable focusable.
if (selectedView instanceof ViewGroup)
((ViewGroup) selectedView).setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS);
else selectedView.setFocusable(true);
}
// Process visible (not selected) view.
if (count < 2) {
if (LOG) LogManager.i(this, "count < 2 || scrollX == 0");
visiblePosition = -1;
if (visibleView != null) {
adapter.saveState(visibleView);
removeViewInLayout(visibleView);
visibleView = null;
}
} else {
// Calculate position.
final int visibleX;
if (scrollX > 0) {
if (LOG) LogManager.i(this, "scrollX > 0");
visiblePosition = correntPosition(selectedPosition + 1);
visibleX = width;
} else {
if (LOG) LogManager.i(this, "scrollX < 0");
visiblePosition = correntPosition(selectedPosition - 1);
visibleX = -width;
}
// Update view.
final Object visibleObject = adapter.getItem(visiblePosition);
final boolean update =
dataChanged
|| previousVisibleObject == null
|| !previousVisibleObject.equals(visibleObject);
visibleView = getView(visiblePosition, visibleX, visibleView, update, layout);
previousVisibleObject = visibleObject;
// Disable focusable.
if (visibleView instanceof ViewGroup)
((ViewGroup) visibleView).setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
else visibleView.setFocusable(false);
}
// Restore focus by ID.
if (selectedView != null) {
View target;
if (focus == null || focus.getId() == View.NO_ID) target = null;
else target = selectedView.findViewById(focus.getId());
if (target == null) target = selectedView.findViewById(R.id.chat_input);
target.requestFocus();
}
if (scrollX == 0) {
if (LOG) LogManager.i(this, "Scroll X == 0");
hidePages();
} else {
if (LOG) LogManager.i(this, "Scroll X != 0");
showPages();
}
super.scrollTo(scrollX, 0);
dataChanged = false;
}
@Override
public void scrollTo(int x, int y) {
super.scrollTo(x, y);
postInvalidate();
}