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/*
* Copyright (C) 2008 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.settings;
import android.content.Context;
import android.preference.Preference;
import android.util.AttributeSet;
import android.view.View;
/**
* A category with a progress spinner
*/
public class ProgressCategory extends ProgressCategoryBase {
private int mEmptyTextRes;
private boolean mProgress = false;
private Preference mNoDeviceFoundPreference;
private boolean mNoDeviceFoundAdded;
public ProgressCategory(Context context) {
this(context, null);
}
public ProgressCategory(Context context, AttributeSet attrs) {
super(context, attrs, 0);
}
public ProgressCategory(Context context, AttributeSet attrs,
int defStyleAttr) {
this(context, attrs, defStyleAttr, 0);
}
public ProgressCategory(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
setLayoutResource(R.layout.preference_progress_category);
}
public void setEmptyTextRes(int emptyTextRes) {
mEmptyTextRes = emptyTextRes;
}
@Override
public void onBindView(View view) {
super.onBindView(view);
final View progressBar = view.findViewById(R.id.scanning_progress);
boolean noDeviceFound = (getPreferenceCount() == 0 ||
(getPreferenceCount() == 1 && getPreference(0) == mNoDeviceFoundPreference));
progressBar.setVisibility(mProgress ? View.VISIBLE : View.GONE);
if (mProgress || !noDeviceFound) {
if (mNoDeviceFoundAdded) {
removePreference(mNoDeviceFoundPreference);
mNoDeviceFoundAdded = false;
}
} else {
if (!mNoDeviceFoundAdded) {
if (mNoDeviceFoundPreference == null) {
mNoDeviceFoundPreference = new Preference(getContext());
mNoDeviceFoundPreference.setLayoutResource(R.layout.preference_empty_list);
mNoDeviceFoundPreference.setTitle(mEmptyTextRes);
mNoDeviceFoundPreference.setSelectable(false);
}
addPreference(mNoDeviceFoundPreference);
mNoDeviceFoundAdded = true;
}
}
}
@Override
public void setProgress(boolean progressOn) {
mProgress = progressOn;
notifyChanged();
}
}
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