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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.contacts.dialpad;
     18 
     19 import android.content.Context;
     20 import android.graphics.Rect;
     21 import android.text.InputType;
     22 import android.util.AttributeSet;
     23 import android.view.MotionEvent;
     24 import android.view.accessibility.AccessibilityEvent;
     25 import android.view.inputmethod.InputMethodManager;
     26 import android.widget.EditText;
     27 
     28 /**
     29  * EditText which suppresses IME show up.
     30  */
     31 public class DigitsEditText extends EditText {
     32     public DigitsEditText(Context context, AttributeSet attrs) {
     33         super(context, attrs);
     34         setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
     35     }
     36 
     37     @Override
     38     protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
     39         super.onFocusChanged(focused, direction, previouslyFocusedRect);
     40         final InputMethodManager imm = ((InputMethodManager) getContext()
     41                 .getSystemService(Context.INPUT_METHOD_SERVICE));
     42         if (imm != null && imm.isActive(this)) {
     43             imm.hideSoftInputFromWindow(getApplicationWindowToken(), 0);
     44         }
     45     }
     46 
     47     @Override
     48     public boolean onTouchEvent(MotionEvent event) {
     49         final boolean ret = super.onTouchEvent(event);
     50         // Must be done after super.onTouchEvent()
     51         final InputMethodManager imm = ((InputMethodManager) getContext()
     52                 .getSystemService(Context.INPUT_METHOD_SERVICE));
     53         if (imm != null && imm.isActive(this)) {
     54             imm.hideSoftInputFromWindow(getApplicationWindowToken(), 0);
     55         }
     56         return ret;
     57     }
     58 
     59     @Override
     60     public void sendAccessibilityEventUnchecked(AccessibilityEvent event) {
     61         if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED) {
     62             // Since we're replacing the text every time we add or remove a
     63             // character, only read the difference. (issue 5337550)
     64             final int added = event.getAddedCount();
     65             final int removed = event.getRemovedCount();
     66             final int length = event.getBeforeText().length();
     67             if (added > removed) {
     68                 event.setRemovedCount(0);
     69                 event.setAddedCount(1);
     70                 event.setFromIndex(length);
     71             } else if (removed > added) {
     72                 event.setRemovedCount(1);
     73                 event.setAddedCount(0);
     74                 event.setFromIndex(length - 1);
     75             } else {
     76                 return;
     77             }
     78         } else if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_FOCUSED) {
     79             // The parent EditText class lets tts read "edit box" when this View has a focus, which
     80             // confuses users on app launch (issue 5275935).
     81             return;
     82         }
     83         super.sendAccessibilityEventUnchecked(event);
     84     }
     85 }