ViewElement.java revision 6316362de61fca700d7d5a455ad5c0ac9717c365 
1/*
2 * Copyright (C) 2013 DroidDriver committers
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.google.android.droiddriver.instrumentation;
18
19import static com.google.android.droiddriver.util.TextUtils.charSequenceToString;
20
21import android.content.res.Resources;
22import android.graphics.Rect;
23import android.view.View;
24import android.view.ViewGroup;
25import android.view.ViewParent;
26import android.widget.Checkable;
27import android.widget.TextView;
28
29import com.google.android.droiddriver.InputInjector;
30import com.google.android.droiddriver.base.AbstractUiElement;
31import com.google.common.base.Preconditions;
32
33/**
34 * A UiElement that is backed by a View.
35 */
36public class ViewElement extends AbstractUiElement {
37  private final InstrumentationContext context;
38  private final View view;
39
40  public ViewElement(InstrumentationContext context, View view) {
41    this.context = Preconditions.checkNotNull(context);
42    this.view = Preconditions.checkNotNull(view);
43  }
44
45  @Override
46  public String getText() {
47    if (!(view instanceof TextView)) {
48      return null;
49    }
50    return charSequenceToString(((TextView) view).getText());
51  }
52
53  @Override
54  public String getContentDescription() {
55    return charSequenceToString(view.getContentDescription());
56  }
57
58  @Override
59  public String getClassName() {
60    return view.getClass().getCanonicalName();
61  }
62
63  @Override
64  public String getResourceId() {
65    if (view.getId() != View.NO_ID) {
66      try {
67        return charSequenceToString(view.getResources().getResourceName(view.getId()));
68      } catch (Resources.NotFoundException nfe) {
69        /* ignore */
70      }
71    }
72    return null;
73  }
74
75  @Override
76  public String getPackageName() {
77    return view.getContext().getPackageName();
78  }
79
80  @Override
81  public InputInjector getInjector() {
82    return context.getInjector();
83  }
84
85  @Override
86  public boolean isVisible() {
87    return view.getGlobalVisibleRect(new Rect());
88  }
89
90  @Override
91  public boolean isCheckable() {
92    return view instanceof Checkable;
93  }
94
95  @Override
96  public boolean isChecked() {
97    if (!isCheckable()) {
98      return false;
99    }
100    return ((Checkable) view).isChecked();
101  }
102
103  @Override
104  public boolean isClickable() {
105    return view.isClickable();
106  }
107
108  @Override
109  public boolean isEnabled() {
110    return view.isEnabled();
111  }
112
113  @Override
114  public boolean isFocusable() {
115    return view.isFocusable();
116  }
117
118  @Override
119  public boolean isFocused() {
120    return view.isFocused();
121  }
122
123  @Override
124  public boolean isScrollable() {
125    // TODO: find a meaningful implementation
126    return true;
127  }
128
129  @Override
130  public boolean isLongClickable() {
131    return view.isLongClickable();
132  }
133
134  @Override
135  public boolean isPassword() {
136    // TODO: find a meaningful implementation
137    return false;
138  }
139
140  @Override
141  public boolean isSelected() {
142    return view.isSelected();
143  }
144
145  @Override
146  public Rect getBounds() {
147    Rect rect = new Rect();
148    int[] xy = new int[2];
149    view.getLocationOnScreen(xy);
150    rect.set(xy[0], xy[1], xy[0] + view.getWidth(), xy[1] + view.getHeight());
151    return rect;
152  }
153
154  @Override
155  public int getChildCount() {
156    if (!(view instanceof ViewGroup)) {
157      return 0;
158    }
159    return ((ViewGroup) view).getChildCount();
160  }
161
162  @Override
163  public ViewElement getChild(int index) {
164    if (!(view instanceof ViewGroup)) {
165      return null;
166    }
167    View child = ((ViewGroup) view).getChildAt(index);
168    return child == null ? null : context.getUiElement(child);
169  }
170
171  @Override
172  public ViewElement getParent() {
173    ViewParent parent = view.getParent();
174    if (!(parent instanceof View)) {
175      return null;
176    }
177    return context.getUiElement((View) parent);
178  }
179}
180