1 /*
2  * Copyright (C) 2008 The Android Open Source Project
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 
17 package com.android.systemui.statusbar.phone;
18 
19 import android.content.Context;
20 import android.util.AttributeSet;
21 import android.util.EventLog;
22 import android.view.MotionEvent;
23 import android.view.View;
24 import android.view.ViewGroup;
25 import android.view.accessibility.AccessibilityEvent;
26 
27 import com.android.systemui.DejankUtils;
28 import com.android.systemui.EventLogTags;
29 import com.android.systemui.R;
30 
31 public class PhoneStatusBarView extends PanelBar {
32     private static final String TAG = "PhoneStatusBarView";
33     private static final boolean DEBUG = PhoneStatusBar.DEBUG;
34     private static final boolean DEBUG_GESTURES = false;
35 
36     PhoneStatusBar mBar;
37 
38     boolean mIsFullyOpenedPanel = false;
39     private final PhoneStatusBarTransitions mBarTransitions;
40     private ScrimController mScrimController;
41     private float mMinFraction;
42     private float mPanelFraction;
43     private Runnable mHideExpandedRunnable = new Runnable() {
44         @Override
45         public void run() {
46             if (mPanelFraction == 0.0f) {
47                 mBar.makeExpandedInvisible();
48             }
49         }
50     };
51 
PhoneStatusBarView(Context context, AttributeSet attrs)52     public PhoneStatusBarView(Context context, AttributeSet attrs) {
53         super(context, attrs);
54 
55         mBarTransitions = new PhoneStatusBarTransitions(this);
56     }
57 
getBarTransitions()58     public BarTransitions getBarTransitions() {
59         return mBarTransitions;
60     }
61 
setBar(PhoneStatusBar bar)62     public void setBar(PhoneStatusBar bar) {
63         mBar = bar;
64     }
65 
setScrimController(ScrimController scrimController)66     public void setScrimController(ScrimController scrimController) {
67         mScrimController = scrimController;
68     }
69 
70     @Override
onFinishInflate()71     public void onFinishInflate() {
72         mBarTransitions.init();
73     }
74 
75     @Override
panelEnabled()76     public boolean panelEnabled() {
77         return mBar.panelsEnabled();
78     }
79 
80     @Override
onRequestSendAccessibilityEventInternal(View child, AccessibilityEvent event)81     public boolean onRequestSendAccessibilityEventInternal(View child, AccessibilityEvent event) {
82         if (super.onRequestSendAccessibilityEventInternal(child, event)) {
83             // The status bar is very small so augment the view that the user is touching
84             // with the content of the status bar a whole. This way an accessibility service
85             // may announce the current item as well as the entire content if appropriate.
86             AccessibilityEvent record = AccessibilityEvent.obtain();
87             onInitializeAccessibilityEvent(record);
88             dispatchPopulateAccessibilityEvent(record);
89             event.appendRecord(record);
90             return true;
91         }
92         return false;
93     }
94 
95     @Override
onPanelPeeked()96     public void onPanelPeeked() {
97         super.onPanelPeeked();
98         mBar.makeExpandedVisible(false);
99     }
100 
101     @Override
onPanelCollapsed()102     public void onPanelCollapsed() {
103         super.onPanelCollapsed();
104         // Close the status bar in the next frame so we can show the end of the animation.
105         DejankUtils.postAfterTraversal(mHideExpandedRunnable);
106         mIsFullyOpenedPanel = false;
107     }
108 
removePendingHideExpandedRunnables()109     public void removePendingHideExpandedRunnables() {
110         DejankUtils.removeCallbacks(mHideExpandedRunnable);
111     }
112 
113     @Override
onPanelFullyOpened()114     public void onPanelFullyOpened() {
115         super.onPanelFullyOpened();
116         if (!mIsFullyOpenedPanel) {
117             mPanel.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
118         }
119         mIsFullyOpenedPanel = true;
120     }
121 
122     @Override
onTouchEvent(MotionEvent event)123     public boolean onTouchEvent(MotionEvent event) {
124         boolean barConsumedEvent = mBar.interceptTouchEvent(event);
125 
126         if (DEBUG_GESTURES) {
127             if (event.getActionMasked() != MotionEvent.ACTION_MOVE) {
128                 EventLog.writeEvent(EventLogTags.SYSUI_PANELBAR_TOUCH,
129                         event.getActionMasked(), (int) event.getX(), (int) event.getY(),
130                         barConsumedEvent ? 1 : 0);
131             }
132         }
133 
134         return barConsumedEvent || super.onTouchEvent(event);
135     }
136 
137     @Override
onTrackingStarted()138     public void onTrackingStarted() {
139         super.onTrackingStarted();
140         mBar.onTrackingStarted();
141         mScrimController.onTrackingStarted();
142         removePendingHideExpandedRunnables();
143     }
144 
145     @Override
onClosingFinished()146     public void onClosingFinished() {
147         super.onClosingFinished();
148         mBar.onClosingFinished();
149     }
150 
151     @Override
onTrackingStopped(boolean expand)152     public void onTrackingStopped(boolean expand) {
153         super.onTrackingStopped(expand);
154         mBar.onTrackingStopped(expand);
155     }
156 
157     @Override
onExpandingFinished()158     public void onExpandingFinished() {
159         super.onExpandingFinished();
160         mScrimController.onExpandingFinished();
161     }
162 
163     @Override
onInterceptTouchEvent(MotionEvent event)164     public boolean onInterceptTouchEvent(MotionEvent event) {
165         return mBar.interceptTouchEvent(event) || super.onInterceptTouchEvent(event);
166     }
167 
168     @Override
panelScrimMinFractionChanged(float minFraction)169     public void panelScrimMinFractionChanged(float minFraction) {
170         if (mMinFraction != minFraction) {
171             mMinFraction = minFraction;
172             if (minFraction != 0.0f) {
173                 mScrimController.animateNextChange();
174             }
175             updateScrimFraction();
176         }
177     }
178 
179     @Override
panelExpansionChanged(float frac, boolean expanded)180     public void panelExpansionChanged(float frac, boolean expanded) {
181         super.panelExpansionChanged(frac, expanded);
182         mPanelFraction = frac;
183         updateScrimFraction();
184     }
185 
updateScrimFraction()186     private void updateScrimFraction() {
187         float scrimFraction = Math.max(mPanelFraction, mMinFraction);
188         mScrimController.setPanelExpansion(scrimFraction);
189     }
190 
onDensityOrFontScaleChanged()191     public void onDensityOrFontScaleChanged() {
192         ViewGroup.LayoutParams layoutParams = getLayoutParams();
193         layoutParams.height = getResources().getDimensionPixelSize(
194                 R.dimen.status_bar_height);
195         setLayoutParams(layoutParams);
196     }
197 }
198