| /* |
| * Copyright (C) 2016 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.statusbar.phone; |
| |
| import android.content.Context; |
| import android.graphics.drawable.AnimatedVectorDrawable; |
| import android.util.AttributeSet; |
| import android.widget.ImageView; |
| |
| import com.android.systemui.R; |
| |
| public class ExpandableIndicator extends ImageView { |
| |
| private boolean mExpanded; |
| private boolean mIsDefaultDirection = true; |
| |
| public ExpandableIndicator(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| updateIndicatorDrawable(); |
| setContentDescription(getContentDescription(mExpanded)); |
| } |
| |
| public void setExpanded(boolean expanded) { |
| if (expanded == mExpanded) return; |
| mExpanded = expanded; |
| final int res = getDrawableResourceId(!mExpanded); |
| // workaround to reset drawable |
| final AnimatedVectorDrawable avd = (AnimatedVectorDrawable) getContext() |
| .getDrawable(res).getConstantState().newDrawable(); |
| setImageDrawable(avd); |
| avd.forceAnimationOnUI(); |
| avd.start(); |
| setContentDescription(getContentDescription(expanded)); |
| } |
| |
| /** Whether the icons are using the default direction or the opposite */ |
| public void setDefaultDirection(boolean isDefaultDirection) { |
| mIsDefaultDirection = isDefaultDirection; |
| updateIndicatorDrawable(); |
| } |
| |
| private int getDrawableResourceId(boolean expanded) { |
| if (mIsDefaultDirection) { |
| return expanded ? R.drawable.ic_volume_collapse_animation |
| : R.drawable.ic_volume_expand_animation; |
| } else { |
| return expanded ? R.drawable.ic_volume_expand_animation |
| : R.drawable.ic_volume_collapse_animation; |
| } |
| } |
| |
| private String getContentDescription(boolean expanded) { |
| return expanded ? mContext.getString(R.string.accessibility_quick_settings_collapse) |
| : mContext.getString(R.string.accessibility_quick_settings_expand); |
| } |
| |
| private void updateIndicatorDrawable() { |
| final int res = getDrawableResourceId(mExpanded); |
| setImageResource(res); |
| } |
| } |