PanelBar.java revision 08d05e3d1d6ade6924266296033981a96b47d5fb 
1package com.android.systemui.statusbar.phone;
2
3import java.util.ArrayList;
4
5import android.content.Context;
6import android.util.AttributeSet;
7import android.util.Slog;
8import android.view.MotionEvent;
9import android.widget.FrameLayout;
10
11public class PanelBar extends FrameLayout {
12    public static final boolean DEBUG = true;
13    public static final String TAG = PanelView.class.getSimpleName();
14    public static final void LOG(String fmt, Object... args) {
15        if (!DEBUG) return;
16        Slog.v(TAG, String.format(fmt, args));
17    }
18
19    private PanelHolder mPanelHolder;
20    private ArrayList<PanelView> mPanels = new ArrayList<PanelView>();
21    private PanelView mTouchingPanel;
22
23    public PanelBar(Context context, AttributeSet attrs) {
24        super(context, attrs);
25    }
26
27    @Override
28    protected void onFinishInflate() {
29        super.onFinishInflate();
30    }
31
32    public void addPanel(PanelView pv) {
33        mPanels.add(pv);
34        pv.setBar(this);
35    }
36
37    public void setPanelHolder(PanelHolder ph) {
38        if (ph == null) {
39            Slog.e(TAG, "setPanelHolder: null PanelHolder", new Throwable());
40            return;
41        }
42        ph.setBar(this);
43        mPanelHolder = ph;
44        final int N = ph.getChildCount();
45        for (int i=0; i<N; i++) {
46            final PanelView v = (PanelView) ph.getChildAt(i);
47            if (v != null) {
48                addPanel(v);
49            }
50        }
51    }
52
53    public float getBarHeight() {
54        return getMeasuredHeight();
55    }
56
57    @Override
58    public boolean onTouchEvent(MotionEvent event) {
59        // figure out which panel needs to be talked to here
60        if (event.getAction() == MotionEvent.ACTION_DOWN) {
61            final int N = mPanels.size();
62            final int i = (int)(N * event.getX() / getMeasuredWidth());
63            mTouchingPanel = mPanels.get(i);
64            mPanelHolder.setSelectedPanel(mTouchingPanel);
65            LOG("PanelBar.onTouch: ACTION_DOWN: panel %d", i);
66            onPanelPeeked();
67        }
68        final boolean result = mTouchingPanel.getHandle().dispatchTouchEvent(event);
69        return result;
70    }
71
72    public void panelExpansionChanged(PanelView panel, float frac) {
73        boolean fullyClosed = true;
74        boolean fullyOpened = false;
75        for (PanelView pv : mPanels) {
76            if (pv.getExpandedHeight() > 0f) {
77                fullyClosed = false;
78                final float thisFrac = pv.getExpandedFraction();
79                LOG("panel %s: f=%.1f", pv, thisFrac);
80                if (panel == pv) {
81                    if (thisFrac == 1f) fullyOpened = true;
82                } else {
83                    pv.setExpandedFraction(1f-frac);
84                }
85            }
86        }
87        if (fullyOpened) onPanelFullyOpened();
88        if (fullyClosed) onAllPanelsCollapsed();
89        else onPanelPeeked();
90
91        LOG("panelExpansionChanged: [%s%s ]", fullyOpened?" fullyOpened":"", fullyClosed?" fullyClosed":"");
92    }
93
94    public void collapseAllPanels(boolean animate) {
95        for (PanelView pv : mPanels) {
96            if (animate && pv == mTouchingPanel) {
97                mTouchingPanel.collapse();
98            } else {
99                pv.setExpandedFraction(0); // just in case
100            }
101        }
102    }
103
104    public void onPanelPeeked() {
105        LOG("onPanelPeeked");
106    }
107
108    public void onAllPanelsCollapsed() {
109        LOG("onAllPanelsCollapsed");
110    }
111
112    public void onPanelFullyOpened() {
113        LOG("onPanelFullyOpened");
114    }
115}
116