/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.systemui.qs;
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import android.animation.ValueAnimator;
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import android.content.Context;
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import android.view.View;
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import android.widget.FrameLayout;
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import android.widget.ImageView;
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import com.android.systemui.R;
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import com.android.systemui.plugins.qs.QSTile.SignalState;
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import com.android.systemui.plugins.qs.QSTile.State;
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import com.android.systemui.qs.tileimpl.QSIconViewImpl;
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import com.android.systemui.qs.tileimpl.SlashImageView;
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/** View that represents a custom quick settings tile for displaying signal info (wifi/cell). **/
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public class SignalTileView extends QSIconViewImpl {
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private static final long DEFAULT_DURATION = new ValueAnimator().getDuration();
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private static final long SHORT_DURATION = DEFAULT_DURATION / 3;
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protected FrameLayout mIconFrame;
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protected ImageView mSignal;
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private ImageView mOverlay;
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private ImageView mIn;
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private ImageView mOut;
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private int mWideOverlayIconStartPadding;
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private int mSignalIndicatorToIconFrameSpacing;
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public SignalTileView(Context context) {
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super(context);
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mIn = addTrafficView(R.drawable.ic_qs_signal_in);
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mOut = addTrafficView(R.drawable.ic_qs_signal_out);
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setClipChildren(false);
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setClipToPadding(false);
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mWideOverlayIconStartPadding = context.getResources().getDimensionPixelSize(
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R.dimen.wide_type_icon_start_padding_qs);
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mSignalIndicatorToIconFrameSpacing = context.getResources().getDimensionPixelSize(
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R.dimen.signal_indicator_to_icon_frame_spacing);
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}
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private ImageView addTrafficView(int icon) {
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final ImageView traffic = new ImageView(mContext);
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traffic.setImageResource(icon);
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traffic.setAlpha(0f);
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addView(traffic);
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return traffic;
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}
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@Override
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protected View createIcon() {
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mIconFrame = new FrameLayout(mContext);
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mSignal = createSlashImageView(mContext);
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mIconFrame.addView(mSignal);
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mOverlay = new ImageView(mContext);
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mIconFrame.addView(mOverlay, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
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return mIconFrame;
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}
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protected SlashImageView createSlashImageView(Context context) {
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return new SlashImageView(context);
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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int hs = MeasureSpec.makeMeasureSpec(mIconFrame.getMeasuredHeight(), MeasureSpec.EXACTLY);
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int ws = MeasureSpec.makeMeasureSpec(mIconFrame.getMeasuredHeight(), MeasureSpec.AT_MOST);
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mIn.measure(ws, hs);
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mOut.measure(ws, hs);
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}
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@Override
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protected void onLayout(boolean changed, int l, int t, int r, int b) {
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super.onLayout(changed, l, t, r, b);
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layoutIndicator(mIn);
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layoutIndicator(mOut);
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}
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@Override
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protected int getIconMeasureMode() {
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return MeasureSpec.AT_MOST;
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}
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private void layoutIndicator(View indicator) {
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boolean isRtl = getLayoutDirection() == LAYOUT_DIRECTION_RTL;
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int left, right;
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if (isRtl) {
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right = getLeft() - mSignalIndicatorToIconFrameSpacing;
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left = right - indicator.getMeasuredWidth();
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} else {
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left = getRight() + mSignalIndicatorToIconFrameSpacing;
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right = left + indicator.getMeasuredWidth();
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}
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indicator.layout(
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left,
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mIconFrame.getBottom() - indicator.getMeasuredHeight(),
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right,
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mIconFrame.getBottom());
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}
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@Override
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public void setIcon(State state, boolean allowAnimations) {
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final SignalState s = (SignalState) state;
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setIcon(mSignal, s, allowAnimations);
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if (s.overlayIconId > 0) {
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mOverlay.setVisibility(VISIBLE);
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mOverlay.setImageResource(s.overlayIconId);
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} else {
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mOverlay.setVisibility(GONE);
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}
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if (s.overlayIconId > 0 && s.isOverlayIconWide) {
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mSignal.setPaddingRelative(mWideOverlayIconStartPadding, 0, 0, 0);
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} else {
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mSignal.setPaddingRelative(0, 0, 0, 0);
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}
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final boolean shouldAnimate = allowAnimations && isShown();
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setVisibility(mIn, shouldAnimate, s.activityIn);
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setVisibility(mOut, shouldAnimate, s.activityOut);
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}
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private void setVisibility(View view, boolean shown, boolean visible) {
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final float newAlpha = shown && visible ? 1 : 0;
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if (view.getAlpha() == newAlpha) return;
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if (shown) {
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view.animate()
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.setDuration(visible ? SHORT_DURATION : DEFAULT_DURATION)
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.alpha(newAlpha)
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.start();
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} else {
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view.setAlpha(newAlpha);
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}
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}
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}
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