PhoneStatusBarView.java revision 1e8feef1faca7d2f14bf459691dbe724c8cf5c88 
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.app.ActivityManager;
20import android.app.StatusBarManager;
21import android.content.Context;
22import android.content.res.Configuration;
23import android.content.res.Resources;
24import android.graphics.Canvas;
25import android.graphics.Color;
26import android.graphics.Rect;
27import android.os.SystemClock;
28import android.util.AttributeSet;
29import android.util.Log;
30import android.view.KeyEvent;
31import android.view.MotionEvent;
32import android.view.View;
33import android.view.ViewGroup;
34import android.view.ViewParent;
35import android.view.accessibility.AccessibilityEvent;
36import android.widget.FrameLayout;
37
38import com.android.systemui.R;
39import com.android.systemui.statusbar.BaseStatusBar;
40import com.android.systemui.statusbar.policy.FixedSizeDrawable;
41
42public class PhoneStatusBarView extends PanelBar {
43    private static final String TAG = "PhoneStatusBarView";
44    PhoneStatusBar mBar;
45    int mScrimColor;
46    PanelView mFadingPanel = null;
47    PanelView mNotificationPanel, mSettingsPanel;
48
49    public PhoneStatusBarView(Context context, AttributeSet attrs) {
50        super(context, attrs);
51    }
52
53    public void setBar(PhoneStatusBar bar) {
54        mBar = bar;
55    }
56
57    @Override
58    public void onAttachedToWindow() {
59        Resources res = getContext().getResources();
60        mScrimColor = res.getColor(R.color.notification_panel_scrim_color);
61    }
62
63    @Override
64    public void addPanel(PanelView pv) {
65        super.addPanel(pv);
66        if (pv.getId() == R.id.notification_panel) {
67            mNotificationPanel = pv;
68        } else if (pv.getId() == R.id.settings_panel){
69            mSettingsPanel = pv;
70        }
71    }
72
73    @Override
74    public boolean isEnabled() {
75        return ((mBar.mDisabled & StatusBarManager.DISABLE_EXPAND) == 0);
76    }
77
78    @Override
79    public boolean onRequestSendAccessibilityEvent(View child, AccessibilityEvent event) {
80        if (super.onRequestSendAccessibilityEvent(child, event)) {
81            // The status bar is very small so augment the view that the user is touching
82            // with the content of the status bar a whole. This way an accessibility service
83            // may announce the current item as well as the entire content if appropriate.
84            AccessibilityEvent record = AccessibilityEvent.obtain();
85            onInitializeAccessibilityEvent(record);
86            dispatchPopulateAccessibilityEvent(record);
87            event.appendRecord(record);
88            return true;
89        }
90        return false;
91    }
92
93    @Override
94    public PanelView selectPanelForTouchX(float x) {
95        // We split the status bar into thirds: the left 2/3 are for notifications, and the
96        // right 1/3 for quick settings. If you pull the status bar down a second time you'll
97        // toggle panels no matter where you pull it down.
98        final float w = (float) getMeasuredWidth();
99        final float f = x / w;
100        if (f > 0.67f && mSettingsPanel.getExpandedFraction() != 1.0f
101                || mNotificationPanel.getExpandedFraction() == 1.0f) {
102            return mSettingsPanel;
103        }
104        return mNotificationPanel;
105    }
106
107    @Override
108    public void onPanelPeeked() {
109        super.onPanelPeeked();
110        mBar.makeExpandedVisible(true);
111        if (mFadingPanel == null) {
112            mFadingPanel = mTouchingPanel;
113        }
114    }
115
116    @Override
117    public void onAllPanelsCollapsed() {
118        super.onAllPanelsCollapsed();
119        mBar.makeExpandedInvisible();
120        mFadingPanel = null;
121    }
122
123    @Override
124    public void onPanelFullyOpened(PanelView openPanel) {
125        mFadingPanel = openPanel;
126    }
127
128    @Override
129    public boolean onTouchEvent(MotionEvent event) {
130        return mBar.interceptTouchEvent(event) || super.onTouchEvent(event);
131    }
132
133    @Override
134    public boolean onInterceptTouchEvent(MotionEvent event) {
135        return mBar.interceptTouchEvent(event) || super.onInterceptTouchEvent(event);
136    }
137
138    @Override
139    public void panelExpansionChanged(PanelView pv, float frac) {
140        super.panelExpansionChanged(pv, frac);
141
142        if (mFadingPanel == pv
143                && mScrimColor != 0 && ActivityManager.isHighEndGfx(mBar.mDisplay)) {
144            // woo, special effects
145            final float k = (float)(1f-0.5f*(1f-Math.cos(3.14159f * Math.pow(1f-frac, 2.2f))));
146            // attenuate background color alpha by k
147            final int color = (int) ((float)(mScrimColor >>> 24) * k) << 24 | (mScrimColor & 0xFFFFFF);
148            mBar.mStatusBarWindow.setBackgroundColor(color);
149        }
150
151        mBar.updateCarrierLabelVisibility(false);
152    }
153
154
155}
156