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
17package com.android.contacts.dialpad;
18
19import android.content.Context;
20import android.graphics.Rect;
21import android.text.InputType;
22import android.util.AttributeSet;
23import android.view.MotionEvent;
24import android.view.accessibility.AccessibilityEvent;
25import android.view.inputmethod.InputMethodManager;
26import android.widget.EditText;
27
28/**
29 * EditText which suppresses IME show up.
30 */
31public 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}