/** Called when a drawer animation has successfully completed. */
private void completeAnimation() {
mScroller.abortAnimation();
final int finalX = mScroller.getFinalX();
setOffsetPixels(finalX);
setDrawerState(finalX == 0 ? STATE_CLOSED : STATE_OPEN);
stopLayerTranslation();
}
/** Callback when each frame in the peek drawer animation should be drawn. */
@SuppressLint("NewApi")
private void peekDrawerInvalidate() {
if (mPeekScroller.computeScrollOffset()) {
final int oldX = (int) mOffsetPixels;
final int x = mPeekScroller.getCurrX();
if (x != oldX) {
setOffsetPixels(x);
}
if (!mPeekScroller.isFinished()) {
postOnAnimation(mPeekRunnable);
return;
} else if (mPeekDelay > 0) {
mPeekStartRunnable =
new Runnable() {
@Override
public void run() {
startPeek();
}
};
postDelayed(mPeekStartRunnable, mPeekDelay);
}
}
completePeek();
}
private void update() {
if (player.updatePlayerPos()) {
scroller.scrollToPos(world.scrollStart);
}
scroller.updateScrolling();
player.updateInertia();
scroller.updateCamera();
world.update();
}
/** Callback when each frame in the drawer animation should be drawn. */
private void postAnimationInvalidate() {
if (mScroller.computeScrollOffset(false)) {
final int oldX = (int) mOffsetPixels;
final int x = mScroller.getCurrX();
if (x != oldX) setOffsetPixels(x);
if (x != mScroller.getFinalX()) {
postOnAnimation(mDragRunnable);
return;
}
}
completeAnimation();
}
void stop() {
myCursorInMovement = ZLTextSelectionCursor.None;
if (myScroller != null) {
myScroller.stop();
myScroller = null;
}
}
protected void animateOffsetTo(int position, int duration) {
final int startX = (int) mOffsetPixels;
final int dx = position - startX;
if (dx > 0) {
setDrawerState(STATE_OPENING);
mScroller.startScroll(startX, 0, dx, 0, duration);
} else {
setDrawerState(STATE_CLOSING);
mScroller.startScroll(startX, 0, dx, 0, duration);
}
startLayerTranslation();
postAnimationInvalidate();
}
/** Called when the peek drawer animation has successfully completed. */
private void completePeek() {
mPeekScroller.abortAnimation();
setOffsetPixels(0);
setDrawerState(STATE_CLOSED);
stopLayerTranslation();
}
/** Callback when each frame in the peek drawer animation should be drawn. */
private void peekDrawerInvalidate() {
boolean holdPeek;
if (mPeekDelay < 0) holdPeek = true;
else holdPeek = false;
if (mPeekScroller.computeScrollOffset(holdPeek)) {
final int oldX = (int) mOffsetPixels;
final int x = mPeekScroller.getCurrX();
if (x != oldX) setOffsetPixels(x);
if (!mPeekScroller.isFinished()) {
// Log.e("DraggableDrawer", "mPeekScroller is not finished");
postOnAnimation(mPeekRunnable);
return;
} else if (mPeekDelay > 0) {
// Log.e("DraggableDrawer", "mPeekScroller is finished");
mPeekStartRunnable =
new Runnable() {
@Override
public void run() {
startPeek();
}
};
if (mPeekDelay >= 0) postDelayed(mPeekStartRunnable, mPeekDelay);
// else
// postDelayed(mPeekStartRunnable, 1000);
}
}
if (mPeekDelay > 0) completePeek();
}
/**
* Moves the drawer to the position passed.
*
* @param position The position the content is moved to.
* @param velocity Optional velocity if called by releasing a drag event.
* @param animate Whether the move is animated.
*/
protected void animateOffsetTo(int position, int velocity, boolean animate) {
endDrag();
endPeek();
final int startX = (int) mOffsetPixels;
final int dx = position - startX;
if (dx == 0 || !animate) {
setOffsetPixels(position);
setDrawerState(position == 0 ? STATE_CLOSED : STATE_OPEN);
stopLayerTranslation();
return;
}
int duration;
velocity = Math.abs(velocity);
if (velocity > 0) {
duration = 4 * Math.round(1000.f * Math.abs((float) dx / velocity));
} else {
duration = (int) (600.f * Math.abs((float) dx / mMenuSize));
}
duration = Math.min(duration, mMaxAnimationDuration);
if (dx > 0) {
setDrawerState(STATE_OPENING);
mScroller.startScroll(startX, 0, dx, 0, duration);
} else {
setDrawerState(STATE_CLOSING);
mScroller.startScroll(startX, 0, dx, 0, duration);
}
startLayerTranslation();
postAnimationInvalidate();
}
@Override
public void create() {
sb = new SpriteBatch();
fsb = new SpriteBatch();
initBackground();
initFonts();
float lum = 0.3f;
Gdx.gl.glClearColor(lum, lum, lum, 1.0f);
world = new World();
player = new Player(world);
scroller = new Scroller(player);
scroller.scrollToPos(world.scrollStart);
}
void expandTo(int x, int y) {
if (isEmpty()) {
return;
}
final ZLTextElementAreaVector vector = myView.myCurrentPage.TextElementMap;
final ZLTextElementArea firstArea = vector.getFirstArea();
final ZLTextElementArea lastArea = vector.getLastArea();
if (firstArea != null && y < firstArea.YStart) {
if (myScroller != null && myScroller.scrollsForward()) {
myScroller.stop();
myScroller = null;
}
if (myScroller == null) {
myScroller = new Scroller(false, x, y);
return;
}
} else if (lastArea != null
&& y + ZLTextSelectionCursor.getHeight() / 2 + ZLTextSelectionCursor.getAccent() / 2
> lastArea.YEnd) {
if (myScroller != null && !myScroller.scrollsForward()) {
myScroller.stop();
myScroller = null;
}
if (myScroller == null) {
myScroller = new Scroller(true, x, y);
return;
}
} else {
if (myScroller != null) {
myScroller.stop();
myScroller = null;
}
}
if (myScroller != null) {
myScroller.setXY(x, y);
}
ZLTextRegion region =
myView.findRegion(x, y, ZLTextView.MAX_SELECTION_DISTANCE, ZLTextRegion.AnyRegionFilter);
if (region == null && myScroller != null) {
region = myView.findRegion(x, y, ZLTextRegion.AnyRegionFilter);
}
if (region == null) {
return;
}
final ZLTextRegion.Soul soul = region.getSoul();
if (myCursorInMovement == ZLTextSelectionCursor.Right) {
if (myLeftMostRegionSoul.compareTo(soul) <= 0) {
myRightMostRegionSoul = soul;
} else {
myRightMostRegionSoul = myLeftMostRegionSoul;
myLeftMostRegionSoul = soul;
myCursorInMovement = ZLTextSelectionCursor.Left;
}
} else {
if (myRightMostRegionSoul.compareTo(soul) >= 0) {
myLeftMostRegionSoul = soul;
} else {
myLeftMostRegionSoul = myRightMostRegionSoul;
myRightMostRegionSoul = soul;
myCursorInMovement = ZLTextSelectionCursor.Right;
}
}
if (myCursorInMovement == ZLTextSelectionCursor.Right) {
if (hasAPartAfterPage(myView.myCurrentPage)) {
myView.scrollPage(true, ZLTextView.ScrollingMode.SCROLL_LINES, 1);
myView.Application.getViewWidget().reset();
myView.preparePaintInfo();
}
} else {
if (hasAPartBeforePage(myView.myCurrentPage)) {
myView.scrollPage(false, ZLTextView.ScrollingMode.SCROLL_LINES, 1);
myView.Application.getViewWidget().reset();
myView.preparePaintInfo();
}
}
}
/** Stops ongoing animation of the drawer. */
protected void stopAnimation() {
removeCallbacks(mDragRunnable);
mScroller.abortAnimation();
stopLayerTranslation();
}
