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/*
* Copyright (c) 2015, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
package com.android.browser.mdm;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.View;
import java.util.ArrayList;
public class IncognitoRestriction extends Restriction {
private final static String TAG = "IncognitoRestriction";
public static final String INCOGNITO_RESTRICTION_ENABLED = "IncognitoRestrictionEnabled"; // boolean
private static IncognitoRestriction sInstance;
private ArrayList<View> registeredViews;
private ArrayList<Drawable> registeredDrawables;
private IncognitoRestriction() {
super(TAG);
registeredViews = new ArrayList<>();
registeredDrawables = new ArrayList<>();
}
public static IncognitoRestriction getInstance() {
synchronized (IncognitoRestriction.class) {
if (sInstance == null) {
sInstance = new IncognitoRestriction();
}
}
return sInstance;
}
@Override
public void enforce(Bundle restrictions) {
enable(restrictions.getBoolean(INCOGNITO_RESTRICTION_ENABLED, false));
updateButton();
}
public void registerControl(View v) {
if (!registeredViews.contains(v)) {
registeredViews.add(v);
}
updateButton();
}
public void registerControl(Drawable d) {
if (!registeredDrawables.contains(d)) {
registeredDrawables.add(d);
}
updateButton();
}
private void updateButton() {
if (null != registeredViews) {
for (View v : registeredViews) {
if (null != v) {
v.setAlpha((float) (isEnabled() ? 0.5 : 1.0));
}
}
}
if (null != registeredDrawables) {
for (Drawable d : registeredDrawables) {
if (null != d) {
d.setAlpha((isEnabled() ? 0x80 : 0xff));
}
}
}
}
// For testing
public float getButtonAlpha() {
View v = registeredViews.get(0);
return v != null ? v.getAlpha() : (float) 1.0;
}
}
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