1 /*
2  * Copyright (C) 2014 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.qs;
18 
19 import android.animation.ValueAnimator;
20 import android.content.Context;
21 import android.view.View;
22 import android.widget.FrameLayout;
23 import android.widget.ImageView;
24 
25 import com.android.systemui.R;
26 import com.android.systemui.plugins.qs.QSTile.SignalState;
27 import com.android.systemui.plugins.qs.QSTile.State;
28 import com.android.systemui.qs.tileimpl.QSIconViewImpl;
29 import com.android.systemui.qs.tileimpl.SlashImageView;
30 
31 /** View that represents a custom quick settings tile for displaying signal info (wifi/cell). **/
32 public class SignalTileView extends QSIconViewImpl {
33     private static final long DEFAULT_DURATION = new ValueAnimator().getDuration();
34     private static final long SHORT_DURATION = DEFAULT_DURATION / 3;
35 
36     protected FrameLayout mIconFrame;
37     protected ImageView mSignal;
38     private ImageView mOverlay;
39     private ImageView mIn;
40     private ImageView mOut;
41 
42     private int mWideOverlayIconStartPadding;
43     private int mSignalIndicatorToIconFrameSpacing;
44 
SignalTileView(Context context)45     public SignalTileView(Context context) {
46         super(context);
47 
48         mIn = addTrafficView(R.drawable.ic_qs_signal_in);
49         mOut = addTrafficView(R.drawable.ic_qs_signal_out);
50 
51         setClipChildren(false);
52         setClipToPadding(false);
53 
54         mWideOverlayIconStartPadding = context.getResources().getDimensionPixelSize(
55                 R.dimen.wide_type_icon_start_padding_qs);
56         mSignalIndicatorToIconFrameSpacing = context.getResources().getDimensionPixelSize(
57                 R.dimen.signal_indicator_to_icon_frame_spacing);
58     }
59 
addTrafficView(int icon)60     private ImageView addTrafficView(int icon) {
61         final ImageView traffic = new ImageView(mContext);
62         traffic.setImageResource(icon);
63         traffic.setAlpha(0f);
64         addView(traffic);
65         return traffic;
66     }
67 
68     @Override
createIcon()69     protected View createIcon() {
70         mIconFrame = new FrameLayout(mContext);
71         mSignal = createSlashImageView(mContext);
72         mIconFrame.addView(mSignal);
73         mOverlay = new ImageView(mContext);
74         mIconFrame.addView(mOverlay, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
75         return mIconFrame;
76     }
77 
createSlashImageView(Context context)78     protected SlashImageView createSlashImageView(Context context) {
79         return new SlashImageView(context);
80     }
81 
82     @Override
onMeasure(int widthMeasureSpec, int heightMeasureSpec)83     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
84         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
85         int hs = MeasureSpec.makeMeasureSpec(mIconFrame.getMeasuredHeight(), MeasureSpec.EXACTLY);
86         int ws = MeasureSpec.makeMeasureSpec(mIconFrame.getMeasuredHeight(), MeasureSpec.AT_MOST);
87         mIn.measure(ws, hs);
88         mOut.measure(ws, hs);
89     }
90 
91     @Override
onLayout(boolean changed, int l, int t, int r, int b)92     protected void onLayout(boolean changed, int l, int t, int r, int b) {
93         super.onLayout(changed, l, t, r, b);
94         layoutIndicator(mIn);
95         layoutIndicator(mOut);
96     }
97 
98     @Override
getIconMeasureMode()99     protected int getIconMeasureMode() {
100         return MeasureSpec.AT_MOST;
101     }
102 
layoutIndicator(View indicator)103     private void layoutIndicator(View indicator) {
104         boolean isRtl = getLayoutDirection() == LAYOUT_DIRECTION_RTL;
105         int left, right;
106         if (isRtl) {
107             right = getLeft() - mSignalIndicatorToIconFrameSpacing;
108             left = right - indicator.getMeasuredWidth();
109         } else {
110             left = getRight() + mSignalIndicatorToIconFrameSpacing;
111             right = left + indicator.getMeasuredWidth();
112         }
113         indicator.layout(
114                 left,
115                 mIconFrame.getBottom() - indicator.getMeasuredHeight(),
116                 right,
117                 mIconFrame.getBottom());
118     }
119 
120     @Override
setIcon(State state, boolean allowAnimations)121     public void setIcon(State state, boolean allowAnimations) {
122         final SignalState s = (SignalState) state;
123         setIcon(mSignal, s, allowAnimations);
124 
125         if (s.overlayIconId > 0) {
126             mOverlay.setVisibility(VISIBLE);
127             mOverlay.setImageResource(s.overlayIconId);
128         } else {
129             mOverlay.setVisibility(GONE);
130         }
131         if (s.overlayIconId > 0 && s.isOverlayIconWide) {
132             mSignal.setPaddingRelative(mWideOverlayIconStartPadding, 0, 0, 0);
133         } else {
134             mSignal.setPaddingRelative(0, 0, 0, 0);
135         }
136         final boolean shouldAnimate = allowAnimations && isShown();
137         // Do not show activity indicators
138 //        setVisibility(mIn, shouldAnimate, s.activityIn);
139 //        setVisibility(mOut, shouldAnimate, s.activityOut);
140     }
141 
setVisibility(View view, boolean shown, boolean visible)142     private void setVisibility(View view, boolean shown, boolean visible) {
143         final float newAlpha = shown && visible ? 1 : 0;
144         if (view.getAlpha() == newAlpha) return;
145         if (shown) {
146             view.animate()
147                 .setDuration(visible ? SHORT_DURATION : DEFAULT_DURATION)
148                 .alpha(newAlpha)
149                 .start();
150         } else {
151             view.setAlpha(newAlpha);
152         }
153     }
154 }
155