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android_packages_apps_Cherish/src/com/cherish/settings/preferences/SeekBarPreferenceCham.java
SpiritCroc baff4b6ed0 Add seekbar and list settings preferences
Taken from AICP
2020-03-23 17:31:36 +07:00

390 lines
15 KiB
Java

package com.cherish.settings.preferences;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.PixelFormat;
import android.graphics.PorterDuff;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.Toast;
import androidx.preference.Preference;
import androidx.preference.PreferenceViewHolder;
import com.android.settings.R;
public class SeekBarPreferenceCham extends Preference implements SeekBar.OnSeekBarChangeListener {
private final String TAG = getClass().getName();
private static final String ANDROIDNS = "http://schemas.android.com/apk/res/android";
private static final String PDXNS = "http://schemas.android.com/apk/res-auto";
private static final int DEFAULT_VALUE = 50;
private int mMaxValue = 100;
private int mMinValue = 0;
private int mInterval = 1;
private int mDefaultValue = -1;
private int mCurrentValue;
private String mUnitsLeft = "";
private String mUnitsRight = "";
private SeekBar mSeekBar;
//private TextView mTitle;
private TextView mUnitsLeftText;
private TextView mUnitsRightText;
private ImageView mImagePlus;
private ImageView mImageMinus;
private Drawable mProgressThumb;
private int mThumbDefaultValueColor;
private TextView mStatusText;
private TextView mPopupValue;
private boolean mTrackingTouch = false;
private boolean mPopupAdded = false;
private int mPopupWidth = 0;
private boolean initialised = false;
public SeekBarPreferenceCham(Context context, AttributeSet attrs) {
super(context, attrs);
setLayoutResource(R.layout.seek_bar_preference);
setValuesFromXml(attrs, context);
}
public SeekBarPreferenceCham(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
setLayoutResource(R.layout.seek_bar_preference);
setValuesFromXml(attrs, context);
}
private void setValuesFromXml(AttributeSet attrs, Context context) {
final TypedArray a = context.obtainStyledAttributes(
attrs, R.styleable.SeekBarPreference);
mMaxValue = attrs.getAttributeIntValue(ANDROIDNS, "max", 100);
mMinValue = attrs.getAttributeIntValue(ANDROIDNS, "min", 0);
mDefaultValue = attrs.getAttributeIntValue(ANDROIDNS, "defaultValue", -1);
if (mDefaultValue != attrs.getAttributeIntValue(ANDROIDNS, "defaultValue", -2)) {
mDefaultValue = (mMinValue + mMaxValue) / 2;
Log.w(TAG, "Preference with key \"" + getKey() +
"\" does not have a default value set in xml, assuming " + mDefaultValue +
" until further changes");
}
if (mDefaultValue < mMinValue || mDefaultValue > mMaxValue) {
throw new IllegalArgumentException("Default value is out of range!");
}
mUnitsLeft = getAttributeStringValue(attrs, PDXNS, "unitsLeft", "");
mUnitsRight = getAttributeStringValue(attrs, PDXNS, "unitsRight", "");
Integer idR = a.getResourceId(R.styleable.SeekBarPreference_unitsRight, 0);
if (idR > 0) {
mUnitsRight = context.getResources().getString(idR);
}
Integer idL = a.getResourceId(R.styleable.SeekBarPreference_unitsLeft, 0);
if (idL > 0) {
mUnitsLeft = context.getResources().getString(idL);
}
try {
String newInterval = attrs.getAttributeValue(PDXNS, "interval");
if(newInterval != null)
mInterval = Integer.parseInt(newInterval);
}
catch(Exception e) {
Log.e(TAG, "Invalid interval value", e);
}
mThumbDefaultValueColor = a.getColor(
R.styleable.SeekBarPreference_thumb_default_value_color, 0xff000000);
a.recycle();
}
private String getAttributeStringValue(AttributeSet attrs, String namespace, String name, String defaultValue) {
String value = attrs.getAttributeValue(namespace, name);
if(value == null)
value = defaultValue;
return value;
}
@Override
public void onDependencyChanged(Preference dependency, boolean disableDependent) {
super.onDependencyChanged(dependency, disableDependent);
this.setShouldDisableView(true);
//if (mTitle != null)
// mTitle.setEnabled(!disableDependent);
if (mSeekBar != null)
mSeekBar.setEnabled(!disableDependent);
if (mImagePlus != null)
mImagePlus.setEnabled(!disableDependent);
if (mImageMinus != null)
mImageMinus.setEnabled(!disableDependent);
}
@Override
public void onBindViewHolder(PreferenceViewHolder holder) {
super.onBindViewHolder(holder);
mSeekBar = (SeekBar) holder.findViewById(R.id.seekbar);
// Remove possible previously attached change listener to prevent setting wrong values
mSeekBar.setOnSeekBarChangeListener(null);
mSeekBar.setMax(mMaxValue - mMinValue);
//mTitle = (TextView) holder.findViewById(android.R.id.title);
mUnitsLeftText = (TextView) holder.findViewById(R.id.seekBarPrefUnitsLeft);
mUnitsRightText = (TextView) holder.findViewById(R.id.seekBarPrefUnitsRight);
mImagePlus = (ImageView) holder.findViewById(R.id.imagePlus);
mImagePlus.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mSeekBar.setProgress((mCurrentValue + mInterval) - mMinValue);
}
});
mImagePlus.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View view) {
mSeekBar.setProgress((mCurrentValue + (mMaxValue-mMinValue)/10) - mMinValue);
return true;
}
});
mImageMinus = (ImageView) holder.findViewById(R.id.imageMinus);
mImageMinus.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mSeekBar.setProgress((mCurrentValue - mInterval) - mMinValue);
}
});
mImageMinus.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View view) {
mSeekBar.setProgress((mCurrentValue - (mMaxValue-mMinValue)/10) - mMinValue);
return true;
}
});
mProgressThumb = mSeekBar.getThumb();
mStatusText = (TextView) holder.findViewById(R.id.seekBarPrefValue);
mStatusText.setMinimumWidth(30);
mStatusText.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View view) {
final String defaultValue = getContext().getString(R.string.seekbar_default_value_set,
mDefaultValue);
if (mDefaultValue != -1) {
if (mDefaultValue != mCurrentValue) {
mCurrentValue = mDefaultValue;
updateView();
Toast.makeText(getContext(), defaultValue, Toast.LENGTH_LONG).show();
} else {
Toast.makeText(getContext(), R.string.seekbar_default_value_already_set,
Toast.LENGTH_LONG).show();
}
} else {
Toast.makeText(getContext(), R.string.seekbar_no_default_value,
Toast.LENGTH_LONG).show();
}
return true;
}
});
LayoutInflater mInflater = (LayoutInflater) getContext()
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mPopupValue = (TextView) mInflater.inflate(R.layout.seek_bar_value_popup, null, false);
mPopupValue.getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
int width = mPopupValue.getWidth();
if (width != mPopupWidth) {
mPopupWidth = mPopupValue.getWidth();
startUpdateViewValue();
}
}
});
initialised = true;
updateView();
mSeekBar.setOnSeekBarChangeListener(this);
}
/**
* Update a SeekBarPreferenceCham view with our current state
* @param view
*/
protected void updateView() {
if (!initialised) {
return;
}
try {
mStatusText.setText(String.valueOf(mCurrentValue));
mSeekBar.setProgress(mCurrentValue - mMinValue);
mUnitsRightText.setText(mUnitsRight);
mUnitsLeftText.setText(mUnitsLeft);
updateCurrentValueText();
}
catch(Exception e) {
Log.e(TAG, "Error updating seek bar preference", e);
}
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
int newValue = progress + mMinValue;
if(newValue > mMaxValue)
newValue = mMaxValue;
else if(newValue < mMinValue)
newValue = mMinValue;
else if(mInterval != 1 && newValue % mInterval != 0)
newValue = Math.round(((float)newValue)/mInterval)*mInterval;
// change rejected, revert to the previous value
if(!callChangeListener(newValue)){
seekBar.setProgress(mCurrentValue - mMinValue);
return;
}
// change accepted, store it
mCurrentValue = newValue;
updateCurrentValueText();
if (fromUser) {
startUpdateViewValue();
} else {
stopUpdateViewValue();
}
persistInt(newValue);
}
private void updateCurrentValueText() {
if (mCurrentValue == mDefaultValue && mDefaultValue != -1) {
mStatusText.setText(R.string.seekbar_default_string);
mProgressThumb.setColorFilter(mThumbDefaultValueColor, PorterDuff.Mode.SRC_IN);
mUnitsLeftText.setVisibility(View.GONE);
mUnitsRightText.setVisibility(View.GONE);
} else {
mStatusText.setText(String.valueOf(mCurrentValue));
mProgressThumb.clearColorFilter();
mUnitsLeftText.setVisibility(View.VISIBLE);
mUnitsRightText.setVisibility(View.VISIBLE);
}
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
startUpdateViewValue();
mTrackingTouch = true;
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
notifyChanged();
stopUpdateViewValue();
mTrackingTouch = false;
}
@Override
protected Object onGetDefaultValue(TypedArray ta, int index){
int defaultValue = ta.getInt(index, DEFAULT_VALUE);
return defaultValue;
}
@Override
protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
int defaultVal;
if (defaultValue instanceof Integer) {
defaultVal = (Integer) defaultValue;
} else {
defaultVal = mDefaultValue;
}
setValue(restoreValue ? getPersistedInt(defaultVal) : defaultVal);
}
public void setValue(int value) {
mCurrentValue = value;
updateView();
}
private Drawable getSeekBarThumb() {
return mProgressThumb;
}
private void startUpdateViewValue() {
if (!mTrackingTouch) return;
Rect thumbRect = getSeekBarThumb().getBounds();
int[] seekbarPos = new int[2];
int[] offsetPos = new int[2];
mSeekBar.getLocationInWindow(seekbarPos);
View mainContentView = /*mSeekBar.getRootView().findViewById(R.id.content_main);
if (mainContentView == null) {
mainContentView =*/ mSeekBar.getRootView().findViewById(android.R.id.content);
//}
if (mainContentView == null) {
Log.w(TAG, "Could not find main content view to calculate value view offset");
offsetPos[0] = 0;
offsetPos[1] = 0;
} else {
mainContentView.getLocationInWindow(offsetPos);
}
mPopupValue.setText(mUnitsLeft + mCurrentValue + mUnitsRight);
WindowManager.LayoutParams wp = new WindowManager.LayoutParams(
WindowManager.LayoutParams.WRAP_CONTENT,
WindowManager.LayoutParams.WRAP_CONTENT,
WindowManager.LayoutParams.TYPE_APPLICATION,
WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
PixelFormat.TRANSLUCENT);
wp.gravity = Gravity.LEFT | Gravity.TOP;
wp.x = thumbRect.centerX() + seekbarPos[0] - offsetPos[0] - (mPopupWidth-thumbRect.width()) / 2 +
(int) getContext().getResources()
.getDimension(R.dimen.seek_bar_preference_cham_value_x_offset);
wp.y = seekbarPos[1] - offsetPos[1] +
(int) getContext().getResources()
.getDimension(R.dimen.seek_bar_preference_cham_value_y_offset);
mPopupValue.setLayoutParams(wp);
if (mPopupAdded) {
wp = (WindowManager.LayoutParams) mPopupValue.getLayoutParams();
((WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE))
.updateViewLayout(mPopupValue, wp);
} else {
((WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE))
.addView(mPopupValue, wp);
mPopupAdded = true;
}
mPopupValue.setVisibility(View.VISIBLE);
}
private void stopUpdateViewValue() {
if (!mPopupAdded) return;
((WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE)).removeView(mPopupValue);
mPopupAdded = false;
}
public void setMax(int max) {
mMaxValue = max;
updateView();
}
public void setMin(int min) {
mMinValue = min;
updateView();
}
@Override
public void setDefaultValue(Object defaultValue) {
super.setDefaultValue(defaultValue);
if (defaultValue instanceof Integer) {
mDefaultValue = (Integer) defaultValue;
updateView();
}
}
}