Tickerpublic abstract class Ticker extends Object
| Fields Summary |
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| private static final int | TICKER_SEGMENT_DELAY | | private android.content.Context | mContext | | private android.os.Handler | mHandler | | private ArrayList | mSegments | | private android.text.TextPaint | mPaint | | private android.view.View | mTickerView | | private android.widget.ImageSwitcher | mIconSwitcher | | private android.widget.TextSwitcher | mTextSwitcher | | private float | mIconScale | | private Runnable | mAdvanceTicker |
| Constructors Summary |
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public Ticker(android.content.Context context, android.view.View sb)
mContext = context;
final Resources res = context.getResources();
final int outerBounds = res.getDimensionPixelSize(R.dimen.status_bar_icon_size);
final int imageBounds = res.getDimensionPixelSize(R.dimen.status_bar_icon_drawing_size);
mIconScale = (float)imageBounds / (float)outerBounds;
mTickerView = sb.findViewById(R.id.ticker);
mIconSwitcher = (ImageSwitcher)sb.findViewById(R.id.tickerIcon);
mIconSwitcher.setInAnimation(
AnimationUtils.loadAnimation(context, com.android.internal.R.anim.push_up_in));
mIconSwitcher.setOutAnimation(
AnimationUtils.loadAnimation(context, com.android.internal.R.anim.push_up_out));
mIconSwitcher.setScaleX(mIconScale);
mIconSwitcher.setScaleY(mIconScale);
mTextSwitcher = (TextSwitcher)sb.findViewById(R.id.tickerText);
mTextSwitcher.setInAnimation(
AnimationUtils.loadAnimation(context, com.android.internal.R.anim.push_up_in));
mTextSwitcher.setOutAnimation(
AnimationUtils.loadAnimation(context, com.android.internal.R.anim.push_up_out));
// Copy the paint style of one of the TextSwitchers children to use later for measuring
TextView text = (TextView)mTextSwitcher.getChildAt(0);
mPaint = text.getPaint();
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| Methods Summary |
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| public void | addEntry(android.service.notification.StatusBarNotification n)
int initialCount = mSegments.size();
// If what's being displayed has the same text and icon, just drop it
// (which will let the current one finish, this happens when apps do
// a notification storm).
if (initialCount > 0) {
final Segment seg = mSegments.get(0);
if (n.getPackageName().equals(seg.notification.getPackageName())
&& n.getNotification().icon == seg.notification.getNotification().icon
&& n.getNotification().iconLevel == seg.notification.getNotification().iconLevel
&& charSequencesEqual(seg.notification.getNotification().tickerText,
n.getNotification().tickerText)) {
return;
}
}
final Drawable icon = StatusBarIconView.getIcon(mContext,
new StatusBarIcon(n.getPackageName(), n.getUser(), n.getNotification().icon, n.getNotification().iconLevel, 0,
n.getNotification().tickerText));
final CharSequence text = n.getNotification().tickerText;
final Segment newSegment = new Segment(n, icon, text);
// If there's already a notification schedule for this package and id, remove it.
for (int i=0; i<mSegments.size(); i++) {
Segment seg = mSegments.get(i);
if (n.getId() == seg.notification.getId() && n.getPackageName().equals(seg.notification.getPackageName())) {
// just update that one to use this new data instead
mSegments.remove(i--); // restart iteration here
}
}
mSegments.add(newSegment);
if (initialCount == 0 && mSegments.size() > 0) {
Segment seg = mSegments.get(0);
seg.first = false;
mIconSwitcher.setAnimateFirstView(false);
mIconSwitcher.reset();
mIconSwitcher.setImageDrawable(seg.icon);
mTextSwitcher.setAnimateFirstView(false);
mTextSwitcher.reset();
mTextSwitcher.setText(seg.getText());
tickerStarting();
scheduleAdvance();
}
| | private static boolean | charSequencesEqual(java.lang.CharSequence a, java.lang.CharSequence b)
if (a.length() != b.length()) {
return false;
}
int length = a.length();
for (int i = 0; i < length; i++) {
if (a.charAt(i) != b.charAt(i)) {
return false;
}
}
return true;
| | public void | halt()
mHandler.removeCallbacks(mAdvanceTicker);
mSegments.clear();
tickerHalting();
| | public static boolean | isGraphicOrEmoji(char c)
int gc = Character.getType(c);
return gc != Character.CONTROL
&& gc != Character.FORMAT
&& gc != Character.UNASSIGNED
&& gc != Character.LINE_SEPARATOR
&& gc != Character.PARAGRAPH_SEPARATOR
&& gc != Character.SPACE_SEPARATOR;
| | public void | reflowText()
if (mSegments.size() > 0) {
Segment seg = mSegments.get(0);
CharSequence text = seg.getText();
mTextSwitcher.setCurrentText(text);
}
| | public void | removeEntry(android.service.notification.StatusBarNotification n)
for (int i=mSegments.size()-1; i>=0; i--) {
Segment seg = mSegments.get(i);
if (n.getId() == seg.notification.getId() && n.getPackageName().equals(seg.notification.getPackageName())) {
mSegments.remove(i);
}
}
| | private void | scheduleAdvance()
mHandler.postDelayed(mAdvanceTicker, TICKER_SEGMENT_DELAY);
| | public abstract void | tickerDone()
| | public abstract void | tickerHalting()
| | public abstract void | tickerStarting()
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