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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.phone.common.dialpad;
import android.content.Context;
import android.graphics.Paint;
import android.graphics.Rect;
import android.text.InputType;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.MotionEvent;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;
import com.android.phone.common.R;
/**
* EditText which suppresses IME show up.
*/
public class DigitsEditText extends EditText {
// Only scale the text down to 66% smaller at most.
private static final float MIN_TEXT_RESIZE_RATIO = 0.66f;
private final float mOriginalTextSize;
public DigitsEditText(Context context, AttributeSet attrs) {
super(context, attrs);
mOriginalTextSize = getTextSize();
setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
setShowSoftInputOnFocus(false);
}
@Override
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
super.onFocusChanged(focused, direction, previouslyFocusedRect);
final InputMethodManager imm = ((InputMethodManager) getContext()
.getSystemService(Context.INPUT_METHOD_SERVICE));
if (imm != null && imm.isActive(this)) {
imm.hideSoftInputFromWindow(getApplicationWindowToken(), 0);
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
final boolean ret = super.onTouchEvent(event);
// Must be done after super.onTouchEvent()
final InputMethodManager imm = ((InputMethodManager) getContext()
.getSystemService(Context.INPUT_METHOD_SERVICE));
if (imm != null && imm.isActive(this)) {
imm.hideSoftInputFromWindow(getApplicationWindowToken(), 0);
}
return ret;
}
@Override
protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) {
super.onTextChanged(text, start, lengthBefore, lengthAfter);
resizeText(getWidth());
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
resizeText(w);
}
private void resizeText(int width) {
if (width == 0) {
return;
}
final Paint paint = getPaint();
setTextSize(TypedValue.COMPLEX_UNIT_PX, mOriginalTextSize);
float ratio = width / paint.measureText(getText().toString());
if (ratio <= 1.0f) {
setTextSize(TypedValue.COMPLEX_UNIT_PX,
mOriginalTextSize * Math.max(MIN_TEXT_RESIZE_RATIO, ratio));
}
}
}
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