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package com.android.settings.cyanogenmod;
import android.content.Context;
import android.os.Bundle;
import android.os.Parcel;
import android.os.Parcelable;
import android.preference.SeekBarDialogPreference;
import android.provider.Settings;
import android.util.AttributeSet;
import android.view.View;
import android.widget.SeekBar;
public class PieSizePreference extends SeekBarDialogPreference
implements SeekBar.OnSeekBarChangeListener {
private SeekBar mSeekBar;
private float mOldSize;
private boolean mRestoredOldState = true;
private static final int SEEK_BAR_MIN = 500;
private static final int SEEK_BAR_MAX = 1500;
public PieSizePreference(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void showDialog(Bundle state) {
super.showDialog(state);
mRestoredOldState = false;
}
@Override
protected void onBindDialogView(View view) {
super.onBindDialogView(view);
mSeekBar = getSeekBar(view);
mSeekBar.setMax(SEEK_BAR_MAX);
mOldSize = Settings.System.getFloat(getContext().getContentResolver(),
Settings.System.PIE_SIZE, 1.0f);
mSeekBar.setProgress((int) (mOldSize * 1000 - SEEK_BAR_MIN));
mSeekBar.setEnabled(true);
mSeekBar.setOnSeekBarChangeListener(this);
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromTouch) {
Settings.System.putFloat(getContext().getContentResolver(),
Settings.System.PIE_SIZE, (SEEK_BAR_MIN + progress) / 1000f);
}
@Override
protected void onDialogClosed(boolean positiveResult) {
super.onDialogClosed(positiveResult);
if (positiveResult) {
onProgressChanged(mSeekBar, mSeekBar.getProgress(), true);
} else {
restoreOldState();
}
}
private void restoreOldState() {
if (mRestoredOldState) {
return;
}
Settings.System.putFloat(getContext().getContentResolver(),
Settings.System.PIE_SIZE, mOldSize);
mRestoredOldState = true;
}
@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.oldSize = mOldSize;
// Restore the old state when the activity or dialog is being paused
restoreOldState();
return myState;
}
@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());
mOldSize = myState.oldSize;
}
private static class SavedState extends BaseSavedState {
float oldSize;
public SavedState(Parcel source) {
super(source);
oldSize = source.readFloat();
}
@Override
public void writeToParcel(Parcel dest, int flags) {
super.writeToParcel(dest, flags);
dest.writeFloat(oldSize);
}
public SavedState(Parcelable superState) {
super(superState);
}
public static final Parcelable.Creator<SavedState> CREATOR =
new Parcelable.Creator<SavedState>() {
public SavedState createFromParcel(Parcel in) {
return new SavedState(in);
}
public SavedState[] newArray(int size) {
return new SavedState[size];
}
};
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
// nothing to do
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
// nothing to do
}
}
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