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 17package com.android.systemui.qs; 18 19import android.animation.ValueAnimator; 20import android.content.Context; 21import android.graphics.drawable.Drawable; 22import android.view.View; 23import android.widget.FrameLayout; 24import android.widget.ImageView; 25 26import com.android.systemui.R; 27import com.android.systemui.plugins.qs.QSTile; 28import com.android.systemui.plugins.qs.QSTile.SignalState; 29import com.android.systemui.qs.tileimpl.QSIconViewImpl; 30import com.android.systemui.qs.tileimpl.SlashImageView; 31 32/** View that represents a custom quick settings tile for displaying signal info (wifi/cell). **/ 33public class SignalTileView extends QSIconViewImpl { 34 private static final long DEFAULT_DURATION = new ValueAnimator().getDuration(); 35 private static final long SHORT_DURATION = DEFAULT_DURATION / 3; 36 37 protected FrameLayout mIconFrame; 38 protected ImageView mSignal; 39 private ImageView mOverlay; 40 private ImageView mIn; 41 private ImageView mOut; 42 43 private int mWideOverlayIconStartPadding; 44 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 mWideOverlayIconStartPadding = context.getResources().getDimensionPixelSize( 52 R.dimen.wide_type_icon_start_padding_qs); 53 } 54 55 private ImageView addTrafficView(int icon) { 56 final ImageView traffic = new ImageView(mContext); 57 traffic.setImageResource(icon); 58 traffic.setAlpha(0f); 59 addView(traffic); 60 return traffic; 61 } 62 63 @Override 64 protected View createIcon() { 65 mIconFrame = new FrameLayout(mContext); 66 mSignal = createSlashImageView(mContext); 67 mIconFrame.addView(mSignal); 68 mOverlay = new ImageView(mContext); 69 mIconFrame.addView(mOverlay, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); 70 return mIconFrame; 71 } 72 73 protected SlashImageView createSlashImageView(Context context) { 74 return new SlashImageView(context); 75 } 76 77 @Override 78 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 79 super.onMeasure(widthMeasureSpec, heightMeasureSpec); 80 int hs = MeasureSpec.makeMeasureSpec(mIconFrame.getMeasuredHeight(), MeasureSpec.EXACTLY); 81 int ws = MeasureSpec.makeMeasureSpec(mIconFrame.getMeasuredHeight(), MeasureSpec.AT_MOST); 82 mIn.measure(ws, hs); 83 mOut.measure(ws, hs); 84 } 85 86 @Override 87 protected void onLayout(boolean changed, int l, int t, int r, int b) { 88 super.onLayout(changed, l, t, r, b); 89 layoutIndicator(mIn); 90 layoutIndicator(mOut); 91 } 92 93 @Override 94 protected int getIconMeasureMode() { 95 return MeasureSpec.AT_MOST; 96 } 97 98 private void layoutIndicator(View indicator) { 99 boolean isRtl = getLayoutDirection() == LAYOUT_DIRECTION_RTL; 100 int left, right; 101 if (isRtl) { 102 right = mIconFrame.getLeft(); 103 left = right - indicator.getMeasuredWidth(); 104 } else { 105 left = mIconFrame.getRight(); 106 right = left + indicator.getMeasuredWidth(); 107 } 108 indicator.layout( 109 left, 110 mIconFrame.getBottom() - indicator.getMeasuredHeight(), 111 right, 112 mIconFrame.getBottom()); 113 } 114 115 @Override 116 public void setIcon(QSTile.State state) { 117 final SignalState s = (SignalState) state; 118 setIcon(mSignal, s); 119 120 if (s.overlayIconId > 0) { 121 mOverlay.setVisibility(VISIBLE); 122 mOverlay.setImageResource(s.overlayIconId); 123 } else { 124 mOverlay.setVisibility(GONE); 125 } 126 if (s.overlayIconId > 0 && s.isOverlayIconWide) { 127 mSignal.setPaddingRelative(mWideOverlayIconStartPadding, 0, 0, 0); 128 } else { 129 mSignal.setPaddingRelative(0, 0, 0, 0); 130 } 131 final boolean shown = isShown(); 132 setVisibility(mIn, shown, s.activityIn); 133 setVisibility(mOut, shown, s.activityOut); 134 } 135 136 private void setVisibility(View view, boolean shown, boolean visible) { 137 final float newAlpha = shown && visible ? 1 : 0; 138 if (view.getAlpha() == newAlpha) return; 139 if (shown) { 140 view.animate() 141 .setDuration(visible ? SHORT_DURATION : DEFAULT_DURATION) 142 .alpha(newAlpha) 143 .start(); 144 } else { 145 view.setAlpha(newAlpha); 146 } 147 } 148} 149