@Override
protected void onDialogClosed(boolean positiveResult) {
super.onDialogClosed(positiveResult);
if (positiveResult) {
Editor editor = getEditor();
editor.putString("display_color_calibration", DisplayColorCalibration.getCurColors());
editor.commit();
} else if (mOriginalColors != null) {
DisplayColorCalibration.setColors(mOriginalColors);
}
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
if (fromUser) {
mCurrentColors[mIndex] = String.valueOf(progress);
DisplayColorCalibration.setColors(TextUtils.join(" ", mCurrentColors));
}
int min = DisplayColorCalibration.getMinValue();
int max = DisplayColorCalibration.getMaxValue();
int percent = Math.round(100F * progress / (max - min));
mValue.setText(String.format("%d%%", percent));
}
public ColorSeekBar(SeekBar seekBar, TextView value, int index) {
mSeekBar = seekBar;
mValue = value;
mIndex = index;
mSeekBar.setMax(DisplayColorCalibration.getMaxValue());
mSeekBar.setOnSeekBarChangeListener(this);
}
public static boolean isSupported() {
try {
return DisplayColorCalibration.isSupported();
} catch (NoClassDefFoundError e) {
// Hardware abstraction framework isn't installed
return false;
}
}
public static void restore(Context context) {
if (!isSupported()) {
return;
}
final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
final String value = prefs.getString("display_color_calibration", null);
if (value != null) {
DisplayColorCalibration.setColors(value);
}
}
@Override
protected void onBindDialogView(View view) {
super.onBindDialogView(view);
mOriginalColors = DisplayColorCalibration.getCurColors();
mCurrentColors = mOriginalColors.split(" ");
for (int i = 0; i < SEEKBAR_ID.length; i++) {
SeekBar seekBar = (SeekBar) view.findViewById(SEEKBAR_ID[i]);
TextView value = (TextView) view.findViewById(SEEKBAR_VALUE_ID[i]);
mSeekBars[i] = new ColorSeekBar(seekBar, value, i);
mSeekBars[i].setValueFromString(mCurrentColors[i]);
}
}
@Override
protected void onRestoreInstanceState(Parcelable state) {
if (state == null || !state.getClass().equals(SavedState.class)) {
// Didn't save state for us in onSaveInstanceState
super.onRestoreInstanceState(state);
return;
}
SavedState myState = (SavedState) state;
super.onRestoreInstanceState(myState.getSuperState());
mOriginalColors = myState.originalColors;
mCurrentColors = myState.currentColors;
for (int i = 0; i < mSeekBars.length; i++) {
mSeekBars[i].setValueFromString(mCurrentColors[i]);
}
DisplayColorCalibration.setColors(TextUtils.join(" ", mCurrentColors));
}
@Override
protected Parcelable onSaveInstanceState() {
final Parcelable superState = super.onSaveInstanceState();
if (getDialog() == null || !getDialog().isShowing()) {
return superState;
}
// Save the dialog state
final SavedState myState = new SavedState(superState);
myState.currentColors = mCurrentColors;
myState.originalColors = mOriginalColors;
// Restore the old state when the activity or dialog is being paused
DisplayColorCalibration.setColors(mOriginalColors);
mOriginalColors = null;
return myState;
}