PhoneStatusBarView.java revision cf591db04914d8ceadd982451b325bd8c4817086 
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.content.Context;
21import android.content.res.Configuration;
22import android.content.res.Resources;
23import android.graphics.Canvas;
24import android.graphics.Color;
25import android.graphics.Rect;
26import android.os.SystemClock;
27import android.util.AttributeSet;
28import android.util.Log;
29import android.view.KeyEvent;
30import android.view.MotionEvent;
31import android.view.View;
32import android.view.ViewGroup;
33import android.view.ViewParent;
34import android.view.accessibility.AccessibilityEvent;
35import android.widget.FrameLayout;
36
37import com.android.systemui.R;
38import com.android.systemui.statusbar.BaseStatusBar;
39import com.android.systemui.statusbar.policy.FixedSizeDrawable;
40
41public class PhoneStatusBarView extends PanelBar {
42    private static final String TAG = "PhoneStatusBarView";
43    PhoneStatusBar mBar;
44    int mScrimColor;
45    PanelView mFadingPanel = null;
46    PanelView mNotificationPanel, mSettingsPanel;
47
48    public PhoneStatusBarView(Context context, AttributeSet attrs) {
49        super(context, attrs);
50    }
51
52    public void setBar(PhoneStatusBar bar) {
53        mBar = bar;
54    }
55
56    @Override
57    public void onAttachedToWindow() {
58        Resources res = getContext().getResources();
59        mScrimColor = res.getColor(R.color.notification_panel_scrim_color);
60    }
61
62    @Override
63    public void addPanel(PanelView pv) {
64        super.addPanel(pv);
65        if (pv.getId() == R.id.notification_panel) {
66            mNotificationPanel = pv;
67        } else if (pv.getId() == R.id.settings_panel){
68            mSettingsPanel = pv;
69        }
70    }
71
72    @Override
73    public boolean onRequestSendAccessibilityEvent(View child, AccessibilityEvent event) {
74        if (super.onRequestSendAccessibilityEvent(child, event)) {
75            // The status bar is very small so augment the view that the user is touching
76            // with the content of the status bar a whole. This way an accessibility service
77            // may announce the current item as well as the entire content if appropriate.
78            AccessibilityEvent record = AccessibilityEvent.obtain();
79            onInitializeAccessibilityEvent(record);
80            dispatchPopulateAccessibilityEvent(record);
81            event.appendRecord(record);
82            return true;
83        }
84        return false;
85    }
86
87    @Override
88    public PanelView selectPanelForTouchX(float x) {
89        // We split the status bar into thirds: the left 2/3 are for notifications, and the
90        // right 1/3 for quick settings. If you pull the status bar down a second time you'll
91        // toggle panels no matter where you pull it down.
92        final float w = (float) getMeasuredWidth();
93        final float f = x / w;
94        if (f > 0.67f && mSettingsPanel.getExpandedFraction() != 1.0f
95                || mNotificationPanel.getExpandedFraction() == 1.0f) {
96            return mSettingsPanel;
97        }
98        return mNotificationPanel;
99    }
100
101    @Override
102    public void onPanelPeeked() {
103        super.onPanelPeeked();
104        mBar.makeExpandedVisible(true);
105        if (mFadingPanel == null) {
106            mFadingPanel = mTouchingPanel;
107        }
108    }
109
110    @Override
111    public void onAllPanelsCollapsed() {
112        super.onAllPanelsCollapsed();
113        mBar.makeExpandedInvisible();
114        mFadingPanel = null;
115    }
116
117    @Override
118    public void onPanelFullyOpened(PanelView openPanel) {
119        mFadingPanel = openPanel;
120    }
121
122    @Override
123    public boolean onTouchEvent(MotionEvent event) {
124        return mBar.interceptTouchEvent(event) || super.onTouchEvent(event);
125    }
126
127    @Override
128    public boolean onInterceptTouchEvent(MotionEvent event) {
129        return mBar.interceptTouchEvent(event) || super.onInterceptTouchEvent(event);
130    }
131
132    @Override
133    public void panelExpansionChanged(PanelView pv, float frac) {
134        super.panelExpansionChanged(pv, frac);
135
136        if (mFadingPanel == pv
137                && mScrimColor != 0 && ActivityManager.isHighEndGfx(mBar.mDisplay)) {
138            // woo, special effects
139            final float k = (float)(1f-0.5f*(1f-Math.cos(3.14159f * Math.pow(1f-frac, 2.2f))));
140            // attenuate background color alpha by k
141            final int color = (int) ((float)(mScrimColor >>> 24) * k) << 24 | (mScrimColor & 0xFFFFFF);
142            mBar.mStatusBarWindow.setBackgroundColor(color);
143        }
144
145        mBar.updateCarrierLabelVisibility(false);
146    }
147
148
149}
150