/*
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* Copyright (c) 2010-2019 Belledonne Communications SARL.
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*
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* This file is part of linphone-android
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* (see https://www.linphone.org).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.linphone.dialer.views;
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.graphics.Paint;
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import android.util.AttributeSet;
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import android.util.TypedValue;
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import android.widget.EditText;
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import org.linphone.R;
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@SuppressLint("AppCompatCustomView")
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public class AddressText extends EditText implements AddressType {
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private String mDisplayedName;
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private final Paint mTestPaint;
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private AddressChangedListener mAddressListener;
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public AddressText(Context context, AttributeSet attrs) {
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super(context, attrs);
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mTestPaint = new Paint();
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mTestPaint.set(this.getPaint());
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mAddressListener = null;
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}
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private void clearDisplayedName() {
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mDisplayedName = null;
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}
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public String getDisplayedName() {
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return mDisplayedName;
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}
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public void setDisplayedName(String displayedName) {
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this.mDisplayedName = displayedName;
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}
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private String getHintText() {
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String resizedText = getContext().getString(R.string.address_bar_hint);
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if (getHint() != null) {
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resizedText = getHint().toString();
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}
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return resizedText;
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}
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@Override
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protected void onTextChanged(CharSequence text, int start, int before, int after) {
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clearDisplayedName();
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refitText(getWidth(), getHeight());
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if (mAddressListener != null) {
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mAddressListener.onAddressChanged();
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}
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super.onTextChanged(text, start, before, after);
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}
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@Override
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protected void onSizeChanged(int width, int height, int oldWidth, int oldHeight) {
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if (width != oldWidth) {
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refitText(getWidth(), getHeight());
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}
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}
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private float getOptimizedTextSize(String text, int textWidth, int textHeight) {
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int targetWidth = textWidth - getPaddingLeft() - getPaddingRight();
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int targetHeight = textHeight - getPaddingTop() - getPaddingBottom();
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float hi = 90;
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float lo = 2;
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final float threshold = 0.5f;
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mTestPaint.set(getPaint());
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while ((hi - lo) > threshold) {
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float size = (hi + lo) / 2;
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mTestPaint.setTextSize(size);
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if (mTestPaint.measureText(text) >= targetWidth || size >= targetHeight) {
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hi = size;
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} else {
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lo = size;
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}
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}
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return lo;
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}
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private void refitText(int textWidth, int textHeight) {
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if (textWidth <= 0) {
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return;
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}
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float size = getOptimizedTextSize(getHintText(), textWidth, textHeight);
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float entrySize = getOptimizedTextSize(getText().toString(), textWidth, textHeight);
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if (entrySize < size) size = entrySize;
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setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
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}
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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int parentWidth = MeasureSpec.getSize(widthMeasureSpec);
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int height = getMeasuredHeight();
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refitText(parentWidth, height);
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setMeasuredDimension(parentWidth, height);
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}
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public void setAddressListener(AddressChangedListener listener) {
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mAddressListener = listener;
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}
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public interface AddressChangedListener {
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void onAddressChanged();
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}
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}
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