1 /* 2 * Copyright (C) 2015 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.content.Context; 20 import android.content.res.Resources; 21 import android.graphics.drawable.Animatable; 22 import android.graphics.drawable.Drawable; 23 import android.view.View; 24 import android.view.ViewGroup; 25 import android.widget.ImageView; 26 import android.widget.ImageView.ScaleType; 27 import com.android.systemui.R; 28 29 import java.util.Objects; 30 31 public class QSIconView extends ViewGroup { 32 33 protected final View mIcon; 34 protected final int mIconSizePx; 35 protected final int mTilePaddingBelowIconPx; 36 private boolean mAnimationEnabled = true; 37 QSIconView(Context context)38 public QSIconView(Context context) { 39 super(context); 40 41 final Resources res = context.getResources(); 42 mIconSizePx = res.getDimensionPixelSize(R.dimen.qs_tile_icon_size); 43 mTilePaddingBelowIconPx = res.getDimensionPixelSize(R.dimen.qs_tile_padding_below_icon); 44 45 mIcon = createIcon(); 46 addView(mIcon); 47 } 48 disableAnimation()49 public void disableAnimation() { 50 mAnimationEnabled = false; 51 } 52 getIconView()53 public View getIconView() { 54 return mIcon; 55 } 56 57 @Override onMeasure(int widthMeasureSpec, int heightMeasureSpec)58 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 59 final int w = MeasureSpec.getSize(widthMeasureSpec); 60 final int iconSpec = exactly(mIconSizePx); 61 mIcon.measure(MeasureSpec.makeMeasureSpec(w, getIconMeasureMode()), iconSpec); 62 setMeasuredDimension(w, mIcon.getMeasuredHeight() + mTilePaddingBelowIconPx); 63 } 64 65 @Override onLayout(boolean changed, int l, int t, int r, int b)66 protected void onLayout(boolean changed, int l, int t, int r, int b) { 67 final int w = getMeasuredWidth(); 68 final int h = getMeasuredHeight(); 69 int top = 0; 70 final int iconLeft = (w - mIcon.getMeasuredWidth()) / 2; 71 layout(mIcon, iconLeft, top); 72 } 73 setIcon(QSTile.State state)74 public void setIcon(QSTile.State state) { 75 setIcon((ImageView) mIcon, state); 76 } 77 setIcon(ImageView iv, QSTile.State state)78 protected void setIcon(ImageView iv, QSTile.State state) { 79 if (!Objects.equals(state.icon, iv.getTag(R.id.qs_icon_tag))) { 80 Drawable d = state.icon != null 81 ? iv.isShown() && mAnimationEnabled ? state.icon.getDrawable(mContext) 82 : state.icon.getInvisibleDrawable(mContext) : null; 83 int padding = state.icon != null ? state.icon.getPadding() : 0; 84 if (d != null && state.autoMirrorDrawable) { 85 d.setAutoMirrored(true); 86 } 87 iv.setImageDrawable(d); 88 iv.setTag(R.id.qs_icon_tag, state.icon); 89 iv.setPadding(0, padding, 0, padding); 90 if (d instanceof Animatable && iv.isShown()) { 91 Animatable a = (Animatable) d; 92 a.start(); 93 if (!iv.isShown()) { 94 a.stop(); // skip directly to end state 95 } 96 } 97 } 98 if (state.disabledByPolicy) { 99 iv.setColorFilter(getContext().getColor(R.color.qs_tile_disabled_color)); 100 } else { 101 iv.clearColorFilter(); 102 } 103 } 104 getIconMeasureMode()105 protected int getIconMeasureMode() { 106 return MeasureSpec.EXACTLY; 107 } 108 createIcon()109 protected View createIcon() { 110 final ImageView icon = new ImageView(mContext); 111 icon.setId(android.R.id.icon); 112 icon.setScaleType(ScaleType.FIT_CENTER); 113 return icon; 114 } 115 exactly(int size)116 protected final int exactly(int size) { 117 return MeasureSpec.makeMeasureSpec(size, MeasureSpec.EXACTLY); 118 } 119 layout(View child, int left, int top)120 protected final void layout(View child, int left, int top) { 121 child.layout(left, top, left + child.getMeasuredWidth(), top + child.getMeasuredHeight()); 122 } 123 } 124