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
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
* Copyright (C) 2016 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.dialer.callcomposer;
import android.content.Context;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import com.android.dialer.common.Assert;
import com.android.dialer.common.FragmentUtils;
import com.android.dialer.common.LogUtil;
/** Base fragment with fields and methods needed for all fragments in the call compose UI. */
public abstract class CallComposerFragment extends Fragment {
protected static final int CAMERA_PERMISSION = 1;
protected static final int STORAGE_PERMISSION = 2;
private static final String LOCATION_KEY = "location_key";
public static final int CONTENT_TOP_UNSET = Integer.MAX_VALUE;
private View topView;
private int contentTopPx = CONTENT_TOP_UNSET;
private CallComposerListener testListener;
@Nullable
@Override
public View onCreateView(
LayoutInflater layoutInflater, @Nullable ViewGroup viewGroup, @Nullable Bundle bundle) {
View view = super.onCreateView(layoutInflater, viewGroup, bundle);
Assert.isNotNull(topView);
return view;
}
@Override
public void onAttach(Context context) {
super.onAttach(context);
if (!(context instanceof CallComposerListener) && testListener == null) {
LogUtil.e(
"CallComposerFragment.onAttach",
"Container activity must implement CallComposerListener.");
Assert.fail();
}
}
/** Call this method to declare which view is located at the top of the fragment's layout. */
public void setTopView(View view) {
topView = view;
// For each fragment that extends CallComposerFragment, the heights may vary and since
// ViewPagers cannot have their height set to wrap_content, we have to adjust the top of our
// container to match the top of the fragment. This listener populates {@code contentTopPx} as
// it's available.
topView
.getViewTreeObserver()
.addOnGlobalLayoutListener(
new OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
topView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
contentTopPx = topView.getTop();
}
});
}
public int getContentTopPx() {
return contentTopPx;
}
public void setParentForTesting(CallComposerListener listener) {
testListener = listener;
}
public CallComposerListener getListener() {
if (testListener != null) {
return testListener;
}
return FragmentUtils.getParentUnsafe(this, CallComposerListener.class);
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt(LOCATION_KEY, contentTopPx);
}
@Override
public void onViewStateRestored(Bundle savedInstanceState) {
super.onViewStateRestored(savedInstanceState);
if (savedInstanceState != null) {
contentTopPx = savedInstanceState.getInt(LOCATION_KEY);
}
}
public abstract boolean shouldHide();
/** Interface used to listen to CallComposeFragments */
public interface CallComposerListener {
/** Let the listener know when a call is ready to be composed. */
void composeCall(CallComposerFragment fragment);
/** Let the listener know when the layout has changed to full screen */
void showFullscreen(boolean show);
/** True is the listener is in fullscreen. */
boolean isFullscreen();
}
}
|
