/**
* 对象动画要有的设置方法
*
* @param t
*/
public void setT(int t) {
scrollTo(0, 0);
if (t < 0) {
mTopView.getLayoutParams().height = mTopViewHeight - t;
mTopView.requestLayout();
}
}
@Override
public void requestLayout() {
if (mbLayout) return;
mbLayout = true;
super.requestLayout();
mbLayout = false;
}
private void checkZPosition() {
int pos = mParentView.indexOfChild(mView);
int count = mParentView.getChildCount();
if (pos != count - 1) {
mParentView.removeView(mView);
mParentView.requestLayout();
mParentView.addView(
mView,
new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
}
}
@Override
public void requestLayout() {
super.requestLayout();
mDirtySize = true;
if (!mDirtyHierarchy) {
final int count = getChildCount();
for (int i = 0; i < count; i++) {
final LayoutParams params = ((LayoutParams) getChildAt(i).getLayoutParams());
if (params.dirty) {
mDirtyHierarchy = true;
params.dirty = false;
}
}
}
}
@Override
public void requestLayout() {
if (!mUpdatingText) {
super.requestLayout();
}
}
/**
* The user successfully completed a "slide" operation. Activate whatever action the slide was
* supposed to trigger.
*
* <p>(That could either be (1) hang up the ongoing call(s), or (2) answer an incoming call.)
*
* <p>This method is responsible for triggering any screen updates that need to happen, based on
* any internal state changes due to the slide.
*/
private void finishSuccessfulSlide() {
if (DBG) log("finishSuccessfulSlide()...");
mSlideInProgress = false;
// TODO: Need to test lots of possible edge cases here, like if the
// state of the Phone changes while the slide was happening.
// (For example, say the user slid the card UP to answer an incoming
// call, but the phone's no longer ringing by the time we got here...)
// TODO: The state-checking logic here is very similar to the logic in
// updateCardSlideHints(). Rather than duplicating this logic in both
// places, maybe use a single helper function that generates a
// complete "slidability matrix" (ie. all slide hints / states /
// actions) based on the current state of the Phone.
boolean phoneStateAboutToChange = false;
// Perform the "successful slide" action.
if (mCardAtTop) {
// The downward slide action is to hang up any ongoing
// call(s).
if (DBG) log(" =========> Slide complete: HANGING UP...");
mInCallScreen.reject();
// Any "hangup" action is going to cause
// the Phone state to change imminently.
phoneStateAboutToChange = true;
} else {
// The upward slide action is to answer the incoming call.
// (We put the ongoing call on hold if there's already one line in
// use, or hang up the ongoing call if both lines are in use.)
if (DBG) log(" =========> Slide complete: ANSWERING...");
mInCallScreen.answer();
// Either of the "answer call" functions is going to cause
// the Phone state to change imminently.
phoneStateAboutToChange = true;
}
// Finally, update the state of the UI depending on what just happened.
// Update the "permanent" position of the sliding card, and the slide
// hints.
//
// But *don't* do this if we know the Phone state's about to change,
// like if the user just did a "slide up to answer". In that case
// we know we're going to get a onPhoneStateChanged() call in a few
// milliseconds, and *that's* going to result in an updateScreen() call.
// (And if we were to do that update now, we'd just get a brief flash
// of the card at the bottom or the screen. So don't do anything
// here.)
if (!phoneStateAboutToChange) {
updateCardPreferredPosition();
updateCardSlideHints();
// And force an immmediate re-layout. (No need to do any
// animation here, since the card's new "preferred position" is
// exactly where the user just slid it.)
mMainFrame.requestLayout();
}
}
@Override
public void requestLayout() {
if (!mInLayout) {
super.requestLayout();
}
}