PhoneStatusBarView.java revision b472b347b51f84489217bb5d9c3beeeda1e4e626 
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
17package com.android.systemui.statusbar.phone;
18
19import android.content.Context;
20import android.content.res.Resources;
21import android.util.AttributeSet;
22import android.util.EventLog;
23import android.util.Log;
24import android.view.MotionEvent;
25import android.view.View;
26import android.view.accessibility.AccessibilityEvent;
27
28import com.android.systemui.EventLogTags;
29import com.android.systemui.R;
30
31public 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 = true;
35
36    PhoneStatusBar mBar;
37
38    PanelView mLastFullyOpenedPanel = null;
39    PanelView mNotificationPanel;
40    private final PhoneStatusBarTransitions mBarTransitions;
41    private ScrimController mScrimController;
42
43    public PhoneStatusBarView(Context context, AttributeSet attrs) {
44        super(context, attrs);
45
46        Resources res = getContext().getResources();
47        mBarTransitions = new PhoneStatusBarTransitions(this);
48    }
49
50    public BarTransitions getBarTransitions() {
51        return mBarTransitions;
52    }
53
54    public void setBar(PhoneStatusBar bar) {
55        mBar = bar;
56    }
57
58    public void setScrimController(ScrimController scrimController) {
59        mScrimController = scrimController;
60    }
61
62    @Override
63    public void onFinishInflate() {
64        mBarTransitions.init();
65    }
66
67    @Override
68    public void addPanel(PanelView pv) {
69        super.addPanel(pv);
70        if (pv.getId() == R.id.notification_panel) {
71            mNotificationPanel = pv;
72        }
73    }
74
75    @Override
76    public boolean panelsEnabled() {
77        return mBar.panelsEnabled();
78    }
79
80    @Override
81    public boolean onRequestSendAccessibilityEvent(View child, AccessibilityEvent event) {
82        if (super.onRequestSendAccessibilityEvent(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
96    public PanelView selectPanelForTouch(MotionEvent touch) {
97        // No double swiping. If either panel is open, nothing else can be pulled down.
98        return mNotificationPanel.getExpandedHeight() > 0
99                ? null
100                : mNotificationPanel;
101    }
102
103    @Override
104    public void onPanelPeeked() {
105        super.onPanelPeeked();
106        mBar.makeExpandedVisible(false);
107    }
108
109    @Override
110    public void onAllPanelsCollapsed() {
111        super.onAllPanelsCollapsed();
112
113        // Close the status bar in the next frame so we can show the end of the animation.
114        postOnAnimation(new Runnable() {
115            @Override
116            public void run() {
117                mBar.makeExpandedInvisible();
118            }
119        });
120        mLastFullyOpenedPanel = null;
121    }
122
123    @Override
124    public void onPanelFullyOpened(PanelView openPanel) {
125        super.onPanelFullyOpened(openPanel);
126        if (openPanel != mLastFullyOpenedPanel) {
127            openPanel.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
128        }
129        mLastFullyOpenedPanel = openPanel;
130    }
131
132    @Override
133    public boolean onTouchEvent(MotionEvent event) {
134        boolean barConsumedEvent = mBar.interceptTouchEvent(event);
135
136        if (DEBUG_GESTURES) {
137            if (event.getActionMasked() != MotionEvent.ACTION_MOVE) {
138                EventLog.writeEvent(EventLogTags.SYSUI_PANELBAR_TOUCH,
139                        event.getActionMasked(), (int) event.getX(), (int) event.getY(),
140                        barConsumedEvent ? 1 : 0);
141            }
142        }
143
144        return barConsumedEvent || super.onTouchEvent(event);
145    }
146
147    @Override
148    public void onTrackingStarted(PanelView panel) {
149        super.onTrackingStarted(panel);
150        mBar.onTrackingStarted();
151        mScrimController.onTrackingStarted();
152    }
153
154    @Override
155    public void onTrackingStopped(PanelView panel, boolean expand) {
156        super.onTrackingStopped(panel, expand);
157        mBar.onTrackingStopped(expand);
158    }
159
160    @Override
161    public void onExpandingFinished() {
162        super.onExpandingFinished();
163        mScrimController.onExpandingFinished();
164    }
165
166    @Override
167    public boolean onInterceptTouchEvent(MotionEvent event) {
168        return mBar.interceptTouchEvent(event) || super.onInterceptTouchEvent(event);
169    }
170
171    @Override
172    public void panelExpansionChanged(PanelView panel, float frac, boolean expanded) {
173        super.panelExpansionChanged(panel, frac, expanded);
174        mScrimController.setPanelExpansion(frac);
175        mBar.updateCarrierLabelVisibility(false);
176        mBar.userActivity();
177    }
178}
179