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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.content.Context;
import android.content.res.Configuration;
import android.graphics.drawable.Drawable;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.android.systemui.FontSizeUtils;
import com.android.systemui.R;
/**
* Quick settings common detail view with line items.
*/
public class QSDetailItems extends FrameLayout {
private static final String TAG = "QSDetailItems";
private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
private final Context mContext;
private final H mHandler = new H();
private String mTag;
private Callback mCallback;
private boolean mItemsVisible = true;
private LinearLayout mItems;
private View mEmpty;
private View mMinHeightSpacer;
private TextView mEmptyText;
private ImageView mEmptyIcon;
private int mMaxItems;
public QSDetailItems(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
mTag = TAG;
}
public static QSDetailItems convertOrInflate(Context context, View convert, ViewGroup parent) {
if (convert instanceof QSDetailItems) {
return (QSDetailItems) convert;
}
return (QSDetailItems) LayoutInflater.from(context).inflate(R.layout.qs_detail_items,
parent, false);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mItems = (LinearLayout) findViewById(android.R.id.list);
mItems.setVisibility(GONE);
mEmpty = findViewById(android.R.id.empty);
mEmpty.setVisibility(GONE);
mEmptyText = (TextView) mEmpty.findViewById(android.R.id.title);
mEmptyIcon = (ImageView) mEmpty.findViewById(android.R.id.icon);
mMinHeightSpacer = findViewById(R.id.min_height_spacer);
// By default, a detail item view has fixed size.
mMaxItems = getResources().getInteger(
R.integer.quick_settings_detail_max_item_count);
setMinHeightInItems(mMaxItems);
}
@Override
protected void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
FontSizeUtils.updateFontSize(mEmptyText, R.dimen.qs_detail_empty_text_size);
int count = mItems.getChildCount();
for (int i = 0; i < count; i++) {
View item = mItems.getChildAt(i);
FontSizeUtils.updateFontSize(item, android.R.id.title,
R.dimen.qs_detail_item_primary_text_size);
FontSizeUtils.updateFontSize(item, android.R.id.summary,
R.dimen.qs_detail_item_secondary_text_size);
}
}
public void setTagSuffix(String suffix) {
mTag = TAG + "." + suffix;
}
public void setEmptyState(int icon, int text) {
mEmptyIcon.setImageResource(icon);
mEmptyText.setText(text);
}
/**
* Set the minimum height of this detail view, in item count.
*/
public void setMinHeightInItems(int minHeightInItems) {
ViewGroup.LayoutParams lp = mMinHeightSpacer.getLayoutParams();
lp.height = minHeightInItems * getResources().getDimensionPixelSize(
R.dimen.qs_detail_item_height);
mMinHeightSpacer.setLayoutParams(lp);
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
if (DEBUG) Log.d(mTag, "onAttachedToWindow");
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
if (DEBUG) Log.d(mTag, "onDetachedFromWindow");
mCallback = null;
}
public void setCallback(Callback callback) {
mHandler.removeMessages(H.SET_CALLBACK);
mHandler.obtainMessage(H.SET_CALLBACK, callback).sendToTarget();
}
public void setItems(Item[] items) {
mHandler.removeMessages(H.SET_ITEMS);
mHandler.obtainMessage(H.SET_ITEMS, items).sendToTarget();
}
public void setItemsVisible(boolean visible) {
mHandler.removeMessages(H.SET_ITEMS_VISIBLE);
mHandler.obtainMessage(H.SET_ITEMS_VISIBLE, visible ? 1 : 0, 0).sendToTarget();
}
private void handleSetCallback(Callback callback) {
mCallback = callback;
}
private void handleSetItems(Item[] items) {
final int itemCount = items != null ? Math.min(items.length, mMaxItems) : 0;
mEmpty.setVisibility(itemCount == 0 ? VISIBLE : GONE);
mItems.setVisibility(itemCount == 0 ? GONE : VISIBLE);
for (int i = mItems.getChildCount() - 1; i >= itemCount; i--) {
mItems.removeViewAt(i);
}
for (int i = 0; i < itemCount; i++) {
bind(items[i], mItems.getChildAt(i));
}
}
private void handleSetItemsVisible(boolean visible) {
if (mItemsVisible == visible) return;
mItemsVisible = visible;
for (int i = 0; i < mItems.getChildCount(); i++) {
mItems.getChildAt(i).setVisibility(mItemsVisible ? VISIBLE : INVISIBLE);
}
}
private void bind(final Item item, View view) {
if (view == null) {
view = LayoutInflater.from(mContext).inflate(R.layout.qs_detail_item, this, false);
mItems.addView(view);
}
view.setVisibility(mItemsVisible ? VISIBLE : INVISIBLE);
final ImageView iv = (ImageView) view.findViewById(android.R.id.icon);
iv.setImageResource(item.icon);
iv.getOverlay().clear();
if (item.overlay != null) {
item.overlay.setBounds(0, 0, item.overlay.getIntrinsicWidth(),
item.overlay.getIntrinsicHeight());
iv.getOverlay().add(item.overlay);
}
final TextView title = (TextView) view.findViewById(android.R.id.title);
title.setText(item.line1);
final TextView summary = (TextView) view.findViewById(android.R.id.summary);
final boolean twoLines = !TextUtils.isEmpty(item.line2);
title.setMaxLines(twoLines ? 1 : 2);
summary.setVisibility(twoLines ? VISIBLE : GONE);
summary.setText(twoLines ? item.line2 : null);
view.setMinimumHeight(mContext.getResources() .getDimensionPixelSize(
twoLines ? R.dimen.qs_detail_item_height_twoline : R.dimen.qs_detail_item_height));
view.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (mCallback != null) {
mCallback.onDetailItemClick(item);
}
}
});
final ImageView disconnect = (ImageView) view.findViewById(android.R.id.icon2);
disconnect.setVisibility(item.canDisconnect ? VISIBLE : GONE);
disconnect.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (mCallback != null) {
mCallback.onDetailItemDisconnect(item);
}
}
});
}
private class H extends Handler {
private static final int SET_ITEMS = 1;
private static final int SET_CALLBACK = 2;
private static final int SET_ITEMS_VISIBLE = 3;
public H() {
super(Looper.getMainLooper());
}
@Override
public void handleMessage(Message msg) {
if (msg.what == SET_ITEMS) {
handleSetItems((Item[]) msg.obj);
} else if (msg.what == SET_CALLBACK) {
handleSetCallback((QSDetailItems.Callback) msg.obj);
} else if (msg.what == SET_ITEMS_VISIBLE) {
handleSetItemsVisible(msg.arg1 != 0);
}
}
}
public static class Item {
public int icon;
public Drawable overlay;
public String line1;
public String line2;
public Object tag;
public boolean canDisconnect;
}
public interface Callback {
void onDetailItemClick(Item item);
void onDetailItemDisconnect(Item item);
}
}
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