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
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
|
/*
* Copyright (C) 2011 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.actionbarsherlock.internal.widget;
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.os.Build;
import android.util.AttributeSet;
import android.view.View;
import android.view.animation.DecelerateInterpolator;
import android.view.animation.Interpolator;
import com.actionbarsherlock.R;
import com.actionbarsherlock.internal.nineoldandroids.animation.Animator;
import com.actionbarsherlock.internal.nineoldandroids.animation.AnimatorSet;
import com.actionbarsherlock.internal.nineoldandroids.animation.ObjectAnimator;
import com.actionbarsherlock.internal.nineoldandroids.view.NineViewGroup;
import com.actionbarsherlock.internal.view.menu.ActionMenuPresenter;
import com.actionbarsherlock.internal.view.menu.ActionMenuView;
import static com.actionbarsherlock.internal.ResourcesCompat.getResources_getBoolean;
public abstract class AbsActionBarView extends NineViewGroup {
protected ActionMenuView mMenuView;
protected ActionMenuPresenter mActionMenuPresenter;
protected ActionBarContainer mSplitView;
protected boolean mSplitActionBar;
protected boolean mSplitWhenNarrow;
protected int mContentHeight;
final Context mContext;
protected Animator mVisibilityAnim;
protected final VisibilityAnimListener mVisAnimListener = new VisibilityAnimListener();
private static final /*Time*/Interpolator sAlphaInterpolator = new DecelerateInterpolator();
private static final int FADE_DURATION = 200;
public AbsActionBarView(Context context) {
super(context);
mContext = context;
}
public AbsActionBarView(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
}
public AbsActionBarView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
mContext = context;
}
/*
* Must be public so we can dispatch pre-2.2 via ActionBarImpl.
*/
@Override
public void onConfigurationChanged(Configuration newConfig) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.FROYO) {
super.onConfigurationChanged(newConfig);
} else if (mMenuView != null) {
mMenuView.onConfigurationChanged(newConfig);
}
// Action bar can change size on configuration changes.
// Reread the desired height from the theme-specified style.
TypedArray a = getContext().obtainStyledAttributes(null, R.styleable.SherlockActionBar,
R.attr.actionBarStyle, 0);
setContentHeight(a.getLayoutDimension(R.styleable.SherlockActionBar_height, 0));
a.recycle();
if (mSplitWhenNarrow) {
setSplitActionBar(getResources_getBoolean(getContext(),
R.bool.abs__split_action_bar_is_narrow));
}
if (mActionMenuPresenter != null) {
mActionMenuPresenter.onConfigurationChanged(newConfig);
}
}
/**
* Sets whether the bar should be split right now, no questions asked.
* @param split true if the bar should split
*/
public void setSplitActionBar(boolean split) {
mSplitActionBar = split;
}
/**
* Sets whether the bar should split if we enter a narrow screen configuration.
* @param splitWhenNarrow true if the bar should check to split after a config change
*/
public void setSplitWhenNarrow(boolean splitWhenNarrow) {
mSplitWhenNarrow = splitWhenNarrow;
}
public void setContentHeight(int height) {
mContentHeight = height;
requestLayout();
}
public int getContentHeight() {
return mContentHeight;
}
public void setSplitView(ActionBarContainer splitView) {
mSplitView = splitView;
}
/**
* @return Current visibility or if animating, the visibility being animated to.
*/
public int getAnimatedVisibility() {
if (mVisibilityAnim != null) {
return mVisAnimListener.mFinalVisibility;
}
return getVisibility();
}
public void animateToVisibility(int visibility) {
if (mVisibilityAnim != null) {
mVisibilityAnim.cancel();
}
if (visibility == VISIBLE) {
if (getVisibility() != VISIBLE) {
setAlpha(0);
if (mSplitView != null && mMenuView != null) {
mMenuView.setAlpha(0);
}
}
ObjectAnimator anim = ObjectAnimator.ofFloat(this, "alpha", 1);
anim.setDuration(FADE_DURATION);
anim.setInterpolator(sAlphaInterpolator);
if (mSplitView != null && mMenuView != null) {
AnimatorSet set = new AnimatorSet();
ObjectAnimator splitAnim = ObjectAnimator.ofFloat(mMenuView, "alpha", 1);
splitAnim.setDuration(FADE_DURATION);
set.addListener(mVisAnimListener.withFinalVisibility(visibility));
set.play(anim).with(splitAnim);
set.start();
} else {
anim.addListener(mVisAnimListener.withFinalVisibility(visibility));
anim.start();
}
} else {
ObjectAnimator anim = ObjectAnimator.ofFloat(this, "alpha", 0);
anim.setDuration(FADE_DURATION);
anim.setInterpolator(sAlphaInterpolator);
if (mSplitView != null && mMenuView != null) {
AnimatorSet set = new AnimatorSet();
ObjectAnimator splitAnim = ObjectAnimator.ofFloat(mMenuView, "alpha", 0);
splitAnim.setDuration(FADE_DURATION);
set.addListener(mVisAnimListener.withFinalVisibility(visibility));
set.play(anim).with(splitAnim);
set.start();
} else {
anim.addListener(mVisAnimListener.withFinalVisibility(visibility));
anim.start();
}
}
}
@Override
public void setVisibility(int visibility) {
if (mVisibilityAnim != null) {
mVisibilityAnim.end();
}
super.setVisibility(visibility);
}
public boolean showOverflowMenu() {
if (mActionMenuPresenter != null) {
return mActionMenuPresenter.showOverflowMenu();
}
return false;
}
public void postShowOverflowMenu() {
post(new Runnable() {
public void run() {
showOverflowMenu();
}
});
}
public boolean hideOverflowMenu() {
if (mActionMenuPresenter != null) {
return mActionMenuPresenter.hideOverflowMenu();
}
return false;
}
public boolean isOverflowMenuShowing() {
if (mActionMenuPresenter != null) {
return mActionMenuPresenter.isOverflowMenuShowing();
}
return false;
}
public boolean isOverflowReserved() {
return mActionMenuPresenter != null && mActionMenuPresenter.isOverflowReserved();
}
public void dismissPopupMenus() {
if (mActionMenuPresenter != null) {
mActionMenuPresenter.dismissPopupMenus();
}
}
protected int measureChildView(View child, int availableWidth, int childSpecHeight,
int spacing) {
child.measure(MeasureSpec.makeMeasureSpec(availableWidth, MeasureSpec.AT_MOST),
childSpecHeight);
availableWidth -= child.getMeasuredWidth();
availableWidth -= spacing;
return Math.max(0, availableWidth);
}
protected int positionChild(View child, int x, int y, int contentHeight) {
int childWidth = child.getMeasuredWidth();
int childHeight = child.getMeasuredHeight();
int childTop = y + (contentHeight - childHeight) / 2;
child.layout(x, childTop, x + childWidth, childTop + childHeight);
return childWidth;
}
protected int positionChildInverse(View child, int x, int y, int contentHeight) {
int childWidth = child.getMeasuredWidth();
int childHeight = child.getMeasuredHeight();
int childTop = y + (contentHeight - childHeight) / 2;
child.layout(x - childWidth, childTop, x, childTop + childHeight);
return childWidth;
}
protected class VisibilityAnimListener implements Animator.AnimatorListener {
private boolean mCanceled = false;
int mFinalVisibility;
public VisibilityAnimListener withFinalVisibility(int visibility) {
mFinalVisibility = visibility;
return this;
}
@Override
public void onAnimationStart(Animator animation) {
setVisibility(VISIBLE);
mVisibilityAnim = animation;
mCanceled = false;
}
@Override
public void onAnimationEnd(Animator animation) {
if (mCanceled) return;
mVisibilityAnim = null;
setVisibility(mFinalVisibility);
if (mSplitView != null && mMenuView != null) {
mMenuView.setVisibility(mFinalVisibility);
}
}
@Override
public void onAnimationCancel(Animator animation) {
mCanceled = true;
}
@Override
public void onAnimationRepeat(Animator animation) {
}
}
}
|