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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/*
* Copyright (C) 2015 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.list;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Rect;
import android.text.TextUtils;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.android.dialer.R;
import com.android.dialer.list.SwipeHelper.OnItemGestureListener;
import com.android.dialer.list.SwipeHelper.SwipeHelperCallback;
/**
* The swipeable call log row.
*/
public class SwipeableShortcutCard extends FrameLayout implements SwipeHelperCallback {
private static final float CLIP_CARD_BARELY_HIDDEN_RATIO = 0.001f;
private static final float CLIP_CARD_MOSTLY_HIDDEN_RATIO = 0.9f;
// Fade out 5x faster than the hidden ratio.
private static final float CLIP_CARD_OPACITY_RATIO = 5f;
final int mCallLogMarginHorizontal;
final int mCallLogMarginTop;
final int mCallLogMarginBottom;
final int mCallLogPaddingStart;
final int mCallLogPaddingTop;
final int mCallLogPaddingBottom;
final int mShortCardBackgroundColor;
private SwipeHelper mSwipeHelper;
private OnItemGestureListener mOnItemSwipeListener;
private float mPreviousTranslationZ = 0;
private Rect mClipRect = new Rect();
public SwipeableShortcutCard(Context context) {
super(context);
final Resources resources = getResources();
final float densityScale =resources.getDisplayMetrics().density;
final float pagingTouchSlop = ViewConfiguration.get(context)
.getScaledPagingTouchSlop();
mSwipeHelper = new SwipeHelper(context, SwipeHelper.X, this,
densityScale, pagingTouchSlop);
mCallLogMarginHorizontal =
resources.getDimensionPixelSize(R.dimen.recent_call_log_item_margin_horizontal);
mCallLogMarginTop =
resources.getDimensionPixelSize(R.dimen.recent_call_log_item_margin_top);
mCallLogMarginBottom =
resources.getDimensionPixelSize(R.dimen.recent_call_log_item_margin_bottom);
mCallLogPaddingStart =
resources.getDimensionPixelSize(R.dimen.recent_call_log_item_padding_start);
mCallLogPaddingTop =
resources.getDimensionPixelSize(R.dimen.recent_call_log_item_padding_top);
mCallLogPaddingBottom =
resources.getDimensionPixelSize(R.dimen.recent_call_log_item_padding_bottom);
mShortCardBackgroundColor =
resources.getColor(R.color.call_log_expanded_background_color, null);
}
void prepareChildView(View view) {
// Override CallLogAdapter's accessibility behavior; don't expand the shortcut card.
view.setAccessibilityDelegate(null);
view.setBackgroundResource(R.drawable.rounded_corner_bg);
final FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(
FrameLayout.LayoutParams.MATCH_PARENT,
FrameLayout.LayoutParams.WRAP_CONTENT);
params.setMargins(mCallLogMarginHorizontal, mCallLogMarginTop, mCallLogMarginHorizontal,
mCallLogMarginBottom);
view.setLayoutParams(params);
LinearLayout actionView =
(LinearLayout) view.findViewById(R.id.primary_action_view);
actionView.setPaddingRelative(mCallLogPaddingStart, mCallLogPaddingTop,
actionView.getPaddingEnd(), mCallLogPaddingBottom);
// TODO: Set content description including type/location and time information.
TextView nameView = (TextView) actionView.findViewById(R.id.name);
actionView.setContentDescription(
TextUtils.expandTemplate(
getResources().getString(R.string.description_call_back_action),
nameView.getText()));
mPreviousTranslationZ = getResources().getDimensionPixelSize(
R.dimen.recent_call_log_item_translation_z);
view.setTranslationZ(mPreviousTranslationZ);
final ViewGroup callLogItem = (ViewGroup) view.findViewById(R.id.call_log_list_item);
// Reset the internal call log item view if it is being recycled
callLogItem.setTranslationX(0);
callLogItem.setTranslationY(0);
callLogItem.setAlpha(1);
callLogItem.setClipBounds(null);
setChildrenOpacity(callLogItem, 1.0f);
callLogItem.findViewById(R.id.call_log_row)
.setBackgroundColor(mShortCardBackgroundColor);
callLogItem.findViewById(R.id.call_indicator_icon).setVisibility(View.VISIBLE);
}
@Override
public View getChildAtPosition(MotionEvent ev) {
return getChildCount() > 0 ? getChildAt(0) : null;
}
@Override
public View getChildContentView(View v) {
return v.findViewById(R.id.call_log_list_item);
}
@Override
public void onScroll() {}
@Override
public boolean canChildBeDismissed(View v) {
return true;
}
@Override
public void onBeginDrag(View v) {
// We do this so the underlying ScrollView knows that it won't get
// the chance to intercept events anymore
requestDisallowInterceptTouchEvent(true);
}
@Override
public void onChildDismissed(View v) {
if (v != null && mOnItemSwipeListener != null) {
mOnItemSwipeListener.onSwipe(v);
}
}
@Override
public void onDragCancelled(View v) {}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
if (mSwipeHelper != null) {
return mSwipeHelper.onInterceptTouchEvent(ev) || super.onInterceptTouchEvent(ev);
} else {
return super.onInterceptTouchEvent(ev);
}
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (mSwipeHelper != null) {
return mSwipeHelper.onTouchEvent(ev) || super.onTouchEvent(ev);
} else {
return super.onTouchEvent(ev);
}
}
public void setOnItemSwipeListener(OnItemGestureListener listener) {
mOnItemSwipeListener = listener;
}
/**
* Clips the card by a specified amount.
*
* @param ratioHidden A float indicating how much of each edge of the card should be
* clipped. If 0, the entire card is displayed. If 0.5f, each edge is hidden
* entirely, thus obscuring the entire card.
*/
public void clipCard(float ratioHidden) {
final View viewToClip = getChildAt(0);
if (viewToClip == null) {
return;
}
int width = viewToClip.getWidth();
int height = viewToClip.getHeight();
if (ratioHidden <= CLIP_CARD_BARELY_HIDDEN_RATIO) {
viewToClip.setTranslationZ(mPreviousTranslationZ);
} else if (viewToClip.getTranslationZ() != 0){
mPreviousTranslationZ = viewToClip.getTranslationZ();
viewToClip.setTranslationZ(0);
}
if (ratioHidden > CLIP_CARD_MOSTLY_HIDDEN_RATIO) {
mClipRect.set(0, 0 , 0, 0);
setVisibility(View.INVISIBLE);
} else {
setVisibility(View.VISIBLE);
int newTop = (int) (ratioHidden * height);
mClipRect.set(0, newTop, width, height);
// Since the pane will be overlapping with the action bar, apply a vertical offset
// to top align the clipped card in the viewable area;
viewToClip.setTranslationY(-newTop);
}
viewToClip.setClipBounds(mClipRect);
// If the view has any children, fade them out of view.
final ViewGroup viewGroup = (ViewGroup) viewToClip;
setChildrenOpacity(
viewGroup, Math.max(0, 1 - (CLIP_CARD_OPACITY_RATIO * ratioHidden)));
}
private void setChildrenOpacity(ViewGroup viewGroup, float alpha) {
final int count = viewGroup.getChildCount();
for (int i = 0; i < count; i++) {
viewGroup.getChildAt(i).setAlpha(alpha);
}
}
}
|