/**
* Handle a MOVE event while sliding.
*
* @param y the y-position of the MOVE event in absolute screen coordinates.
*/
/* package */ void updateWhileSliding(int y) {
int totalSlideAmount = y - mTouchDownY;
// if (DBG) log("--------------> MOTION! y = " + y
// + " (total slide = " + totalSlideAmount + ")");
// TODO: consider caching popupTopPosY and popupBottomPosY in
// startSliding (to save a couple of method calls each time here.)
// TODO: this block is duplicated above; use a single helper method instead.
mMainFrame.getLocationInWindow(mTempLocation);
final int mainFrameX = mTempLocation[0];
final int mainFrameY = 0; // mTempLocation[1];
// In the "top" position the CallCard is aligned exactly with the
// top edge of the main frame.
final int popupTopPosY = mainFrameY;
// And in the "bottom" position, the bottom of the CallCard is
// aligned exactly with the bottom of the main frame.
final int popupBottomPosY = mainFrameY + mMainFrame.getHeight() - height;
// Forcibly reposition the CallCard
int newCardTop = mCardPreferredY + totalSlideAmount;
// if (DBG) log(" ==> New card top: " + newCardTop);
// But never slide *beyond* the topmost or bottom-most position:
if (newCardTop < popupTopPosY) newCardTop = popupTopPosY;
else if (newCardTop > popupBottomPosY) newCardTop = popupBottomPosY;
// Forcibly reposition the PopupWindow.
mCallCard.update(mCardPreferredX, newCardTop, -1, -1);
}
/**
* Bail out of an in-progress slide *without* activating whatever action the slide was supposed to
* trigger.
*/
private void abortSlide() {
if (DBG) log("abortSlide()...");
mSlideInProgress = false;
// This slide had no effect. Nothing about the state of the
// UI has changed, so no need to updateCardPreferredPosition() or
// updateCardSlideHints(). But we *do* need to reposition the
// PopupWindow back in its correct position.
// TODO: smoothly animate back to the preferred position.
mCallCard.update(mCardPreferredX, mCardPreferredY, -1, -1);
}
/**
* Initializes the internal state of the SlidingCardManager.
*
* @param phone the Phone app's Phone instance
* @param inCallScreen the InCallScreen activity
* @param mainFrame the InCallScreen's main frame containing the in-call UI elements
*/
/* package */ public void init(Phone phone, InCallScreen inCallScreen, ViewGroup mainFrame) {
if (DBG) log("init()...");
mPhone = phone;
mInCallScreen = inCallScreen;
mMainFrame = mainFrame;
// Slide hints
mSlideUp = (ViewGroup) mInCallScreen.findViewById(R.id.slideUp);
mSlideUpHint = (TextView) mInCallScreen.findViewById(R.id.slideUpHint);
mSlideDown = (ViewGroup) mInCallScreen.findViewById(R.id.slideDown);
mSlideDownHint = (TextView) mInCallScreen.findViewById(R.id.slideDownHint);
mCallCard = (CallCard) mMainFrame.findViewById(R.id.callCard);
mCallCard.setSlidingCardManager(this);
}
/**
* Update the "permanent" position (ie. the actual layout params) of the sliding card based on the
* current call state.
*
* <p>This method sets mCardAtTop, mCallEndedState, mCardPreferredX, and mCardPreferredY. It also
* repositions the PopupWindow if it's showing.
*
* <p>Note that *while sliding* we manually reposition the card on every motion event that comes
* in. The x/y position we set here determines where the card should be while *not* sliding.
*
* <p>TODO: If the card position changes for some reason *other* than user action (i.e. as a
* result of an onPhoneStateChanged() callback), we should smoothly animate the position change!
* (For example, if you're in a call and the other end hangs up, the card should switch to "Call
* ended" mode and smoothly animate to the bottom position.)
*/
public /* package */ void updateCardPreferredPosition() {
if (DBG) log("updateCardPreferredPosition()...");
// if (DBG) log("- card's LayoutParams: " + mCallCard.getLayoutParams());
// Bail out if our View hierarchy isn't attached to a Window yet
// (since the mMainFrame.getLocationOnScreen() call below
// will fail.)
if (mMainFrame.getWindowToken() == null) {
if (DBG) log("updateCardPreferredPosition: View hierarchy unattached; bailing...");
return;
}
/*
if (mMainFrame.getHeight() == 0) {
// The code here needs to know the sizes and positions of some
// views in the mMainFrame view hierarchy, so you're only
// allowed to call this method *after* the whole in-call UI
// has been measured and laid out.
// (This is why we defer calling showPopup() until an
// onGlobalLayout() call comes in.)
throw new IllegalStateException(
"updateCardPreferredPosition: main frame not measured yet");
}
*/
// Given the current state of the Phone and the UI, decide whether
// the card should be at the TOP or BOTTOM of the screen right now.
// Compute the possible coordinates onscreen for the popup.
// TODO: this block is duplicated below; use a single helper method instead.
mMainFrame.getLocationInWindow(mTempLocation);
final int mainFrameX = mTempLocation[0];
final int mainFrameY = 0; // mTempLocation[1];
if (DBG) log("- mMainFrame loc in window: " + mainFrameX + ", " + mainFrameY);
// In the "top" position the CallCard is aligned exactly with the
// top edge of the main frame.
final int popupTopPosY = mainFrameY;
// And in the "bottom" position, the bottom of the CallCard is
// aligned exactly with the bottom of the main frame.
if (height == 0) {
height = mCallCard.getHeight();
// Reposition the "slide hints".
RelativeLayout.LayoutParams lp = (RelativeLayout.LayoutParams) mSlideUp.getLayoutParams();
// Equivalent to setting android:layout_marginTop in XML
lp.bottomMargin = height;
mSlideUp.setLayoutParams(lp);
lp = (RelativeLayout.LayoutParams) mSlideDown.getLayoutParams();
// Equivalent to setting android:layout_marginTop in XML
lp.topMargin = height;
mSlideDown.setLayoutParams(lp);
height += 10;
}
final int popupBottomPosY = mainFrameY + mMainFrame.getHeight() - height;
if (Receiver.ccCall != null && Receiver.ccCall.getState() != Call.State.DISCONNECTED) {
// When the phone is in use, the position of the card is
// determined solely by whether an incoming call is ringing or
// not.
final boolean hasRingingCall = Receiver.ccCall.getState() == Call.State.INCOMING;
mCardAtTop = !hasRingingCall;
mCallEndedState = false;
} else {
// Phone is completely idle! Display the CALL ENDED state
// with the card at the bottom of the screen.
mCardAtTop = false;
mCallEndedState = true;
}
mCardPreferredX = mainFrameX;
mCardPreferredY = mCardAtTop ? popupTopPosY : popupBottomPosY;
if (DBG)
log(
"==> Setting card preferred position (mCardAtTop = "
+ mCardAtTop
+ ") to: "
+ mCardPreferredX
+ ", "
+ mCardPreferredY);
// This is a no-op if the PopupWindow isn't showing.
mCallCard.update(mCardPreferredX, mCardPreferredY, -1, -1);
}
