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/*
* Copyright (C) 2014 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.animation.ValueAnimator;
import android.content.Context;
import android.graphics.ColorFilter;
import android.graphics.LightingColorFilter;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.ImageView;
import com.android.systemui.R;
import com.android.systemui.qs.QSTile.SignalState;
/** View that represents a custom quick settings tile for displaying signal info (wifi/cell). **/
public final class SignalTileView extends QSTileView {
private static final long DEFAULT_DURATION = new ValueAnimator().getDuration();
private static final long SHORT_DURATION = DEFAULT_DURATION / 3;
private static final ColorFilter FILTER = new LightingColorFilter(0xffffffff, 0xff283034);
private FrameLayout mIconFrame;
private ImageView mSignal;
private ImageView mOverlay;
private ImageView mIn;
private ImageView mOut;
public SignalTileView(Context context) {
super(context);
mIn = addTrafficView(R.drawable.ic_qs_signal_in);
mOut = addTrafficView(R.drawable.ic_qs_signal_out);
}
private ImageView addTrafficView(int icon) {
final ImageView traffic = new ImageView(mContext);
traffic.setImageResource(icon);
traffic.setColorFilter(FILTER);
traffic.setAlpha(0f);
addView(traffic);
return traffic;
}
@Override
protected View createIcon() {
mIconFrame = new FrameLayout(mContext);
mSignal = new ImageView(mContext);
mIconFrame.addView(mSignal);
mOverlay = new ImageView(mContext);
mIconFrame.addView(mOverlay);
return mIconFrame;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
int hs = MeasureSpec.makeMeasureSpec(mIconFrame.getMeasuredHeight(), MeasureSpec.EXACTLY);
int ws = MeasureSpec.makeMeasureSpec(mIconFrame.getMeasuredHeight(), MeasureSpec.AT_MOST);
mIn.measure(ws, hs);
mOut.measure(ws, hs);
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
super.onLayout(changed, l, t, r, b);
layoutIndicator(mIn);
layoutIndicator(mOut);
}
private void layoutIndicator(View indicator) {
indicator.layout(
mIconFrame.getRight(),
mIconFrame.getBottom() - indicator.getMeasuredHeight(),
mIconFrame.getRight() + indicator.getMeasuredWidth(),
mIconFrame.getBottom());
}
@Override
protected void handleStateChanged(QSTile.State state) {
super.handleStateChanged(state);
final SignalState s = (SignalState) state;
mSignal.setImageDrawable(null); // force refresh
mSignal.setImageResource(s.iconId);
mSignal.setColorFilter(s.filter ? FILTER : null);
if (s.overlayIconId > 0) {
mOverlay.setVisibility(VISIBLE);
mOverlay.setImageDrawable(null); // force refresh
mOverlay.setImageResource(s.overlayIconId);
mOverlay.setColorFilter(s.filter ? FILTER : null);
} else {
mOverlay.setVisibility(GONE);
}
final boolean shown = isShown();
setVisibility(mIn, shown, s.activityIn);
setVisibility(mOut, shown, s.activityOut);
}
private void setVisibility(View view, boolean shown, boolean visible) {
final float newAlpha = shown && visible ? 1 : 0;
if (view.getAlpha() == newAlpha) return;
if (shown) {
view.animate()
.setDuration(visible ? SHORT_DURATION : DEFAULT_DURATION)
.alpha(newAlpha)
.withLayer()
.start();
} else {
view.setAlpha(newAlpha);
}
}
}
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