| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.systemui.qs; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.graphics.drawable.Animatable; |
| import android.graphics.drawable.Drawable; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.ImageView; |
| import android.widget.ImageView.ScaleType; |
| import com.android.systemui.R; |
| |
| import java.util.Objects; |
| |
| public class QSIconView extends ViewGroup { |
| |
| protected final View mIcon; |
| protected final int mIconSizePx; |
| protected final int mTilePaddingBelowIconPx; |
| private boolean mAnimationEnabled = true; |
| |
| public QSIconView(Context context) { |
| super(context); |
| |
| final Resources res = context.getResources(); |
| mIconSizePx = res.getDimensionPixelSize(R.dimen.qs_tile_icon_size); |
| mTilePaddingBelowIconPx = res.getDimensionPixelSize(R.dimen.qs_tile_padding_below_icon); |
| |
| mIcon = createIcon(); |
| addView(mIcon); |
| } |
| |
| public void disableAnimation() { |
| mAnimationEnabled = false; |
| } |
| |
| public View getIconView() { |
| return mIcon; |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| final int w = MeasureSpec.getSize(widthMeasureSpec); |
| final int iconSpec = exactly(mIconSizePx); |
| mIcon.measure(MeasureSpec.makeMeasureSpec(w, getIconMeasureMode()), iconSpec); |
| setMeasuredDimension(w, mIcon.getMeasuredHeight() + mTilePaddingBelowIconPx); |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int l, int t, int r, int b) { |
| final int w = getMeasuredWidth(); |
| final int h = getMeasuredHeight(); |
| int top = 0; |
| final int iconLeft = (w - mIcon.getMeasuredWidth()) / 2; |
| layout(mIcon, iconLeft, top); |
| } |
| |
| public void setIcon(QSTile.State state) { |
| setIcon((ImageView) mIcon, state); |
| } |
| |
| protected void setIcon(ImageView iv, QSTile.State state) { |
| if (!Objects.equals(state.icon, iv.getTag(R.id.qs_icon_tag))) { |
| Drawable d = state.icon != null |
| ? iv.isShown() && mAnimationEnabled ? state.icon.getDrawable(mContext) |
| : state.icon.getInvisibleDrawable(mContext) : null; |
| int padding = state.icon != null ? state.icon.getPadding() : 0; |
| if (d != null && state.autoMirrorDrawable) { |
| d.setAutoMirrored(true); |
| } |
| iv.setImageDrawable(d); |
| iv.setTag(R.id.qs_icon_tag, state.icon); |
| iv.setPadding(0, padding, 0, padding); |
| if (d instanceof Animatable && iv.isShown()) { |
| Animatable a = (Animatable) d; |
| a.start(); |
| if (!iv.isShown()) { |
| a.stop(); // skip directly to end state |
| } |
| } |
| } |
| if (state.disabledByPolicy) { |
| iv.setColorFilter(getContext().getColor(R.color.qs_tile_disabled_color)); |
| } else { |
| iv.clearColorFilter(); |
| } |
| } |
| |
| protected int getIconMeasureMode() { |
| return MeasureSpec.EXACTLY; |
| } |
| |
| protected View createIcon() { |
| final ImageView icon = new ImageView(mContext); |
| icon.setId(android.R.id.icon); |
| icon.setScaleType(ScaleType.FIT_CENTER); |
| return icon; |
| } |
| |
| protected final int exactly(int size) { |
| return MeasureSpec.makeMeasureSpec(size, MeasureSpec.EXACTLY); |
| } |
| |
| protected final void layout(View child, int left, int top) { |
| child.layout(left, top, left + child.getMeasuredWidth(), top + child.getMeasuredHeight()); |
| } |
| } |