blob: 4996fe19a5aba7f3f2abfaab37c0d4978f67fbe4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/** obtained from
*
* https://github.com/xrigau/droidcon-android-espresso/blob/master/app/src/instrumentTest/java/com/xrigau/droidcon/espresso/helper/DrawableMatcher.java
*
* license pending
*/
package org.sufficientlysecure.keychain.matcher;
import android.content.res.Resources;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import org.hamcrest.Description;
import org.hamcrest.TypeSafeMatcher;
public class DrawableMatcher extends TypeSafeMatcher<View> {
private final int mResourceId;
private final boolean mIgnoreFilters;
public DrawableMatcher(int resourceId, boolean ignoreFilters) {
super(View.class);
mResourceId = resourceId;
mIgnoreFilters = ignoreFilters;
}
private String resourceName = null;
private Drawable expectedDrawable = null;
@Override
public boolean matchesSafely(View target) {
if (expectedDrawable == null) {
loadDrawableFromResources(target.getResources());
}
if (invalidExpectedDrawable()) {
return false;
}
if (target instanceof ImageView) {
return hasImage((ImageView) target) || hasBackground(target);
}
if (target instanceof TextView) {
return hasCompoundDrawable((TextView) target) || hasBackground(target);
}
return hasBackground(target);
}
private void loadDrawableFromResources(Resources resources) {
try {
expectedDrawable = resources.getDrawable(mResourceId);
resourceName = resources.getResourceEntryName(mResourceId);
} catch (Resources.NotFoundException ignored) {
// view could be from a context unaware of the resource id.
}
}
private boolean invalidExpectedDrawable() {
return expectedDrawable == null;
}
private boolean hasImage(ImageView target) {
return isSameDrawable(target.getDrawable());
}
private boolean hasCompoundDrawable(TextView target) {
for (Drawable drawable : target.getCompoundDrawables()) {
if (isSameDrawable(drawable)) {
return true;
}
}
return false;
}
private boolean hasBackground(View target) {
return isSameDrawable(target.getBackground());
}
private boolean isSameDrawable(Drawable drawable) {
if (drawable == null) {
return false;
}
// if those are both bitmap drawables, compare their bitmaps (ignores color filters, which is what we want!)
if (mIgnoreFilters && drawable instanceof BitmapDrawable && expectedDrawable instanceof BitmapDrawable) {
return ((BitmapDrawable) drawable).getBitmap().equals(((BitmapDrawable) expectedDrawable).getBitmap());
}
return expectedDrawable.getConstantState().equals(drawable.getConstantState());
}
@Override
public void describeTo(Description description) {
description.appendText("with drawable from resource id: ");
description.appendValue(mResourceId);
if (resourceName != null) {
description.appendText("[");
description.appendText(resourceName);
description.appendText("]");
}
}
public static DrawableMatcher withDrawable(int resourceId, boolean ignoreFilters) {
return new DrawableMatcher(resourceId, ignoreFilters);
}
public static DrawableMatcher withDrawable(int resourceId) {
return new DrawableMatcher(resourceId, true);
}
}
|
