The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/base/preferences/CustomListCategory.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,72 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +package org.mozilla.gecko.preferences;
     1.9 +
    1.10 +import android.content.Context;
    1.11 +import android.preference.PreferenceCategory;
    1.12 +import android.util.AttributeSet;
    1.13 +
    1.14 +public abstract class CustomListCategory extends PreferenceCategory {
    1.15 +    protected CustomListPreference mDefaultReference;
    1.16 +
    1.17 +    public CustomListCategory(Context context) {
    1.18 +        super(context);
    1.19 +    }
    1.20 +
    1.21 +    public CustomListCategory(Context context, AttributeSet attrs) {
    1.22 +        super(context, attrs);
    1.23 +    }
    1.24 +
    1.25 +    public CustomListCategory(Context context, AttributeSet attrs, int defStyle) {
    1.26 +        super(context, attrs, defStyle);
    1.27 +    }
    1.28 +
    1.29 +    @Override
    1.30 +    protected void onAttachedToActivity() {
    1.31 +        super.onAttachedToActivity();
    1.32 +
    1.33 +        setOrderingAsAdded(true);
    1.34 +    }
    1.35 +
    1.36 +    /**
    1.37 +     * Set the default to some available list item. Used if the current default is removed or
    1.38 +     * disabled.
    1.39 +     */
    1.40 +    protected void setFallbackDefault() {
    1.41 +        if (getPreferenceCount() > 0) {
    1.42 +            CustomListPreference aItem = (CustomListPreference) getPreference(0);
    1.43 +            setDefault(aItem);
    1.44 +        }
    1.45 +    }
    1.46 +
    1.47 +    /**
    1.48 +     * Removes the given item from the set of available list items.
    1.49 +     * This only updates the UI, so callers are responsible for persisting any state.
    1.50 +     *
    1.51 +     * @param item The given item to remove.
    1.52 +     */
    1.53 +    public void uninstall(CustomListPreference item) {
    1.54 +        removePreference(item);
    1.55 +        if (item == mDefaultReference) {
    1.56 +            // If the default is being deleted, set a new default.
    1.57 +            setFallbackDefault();
    1.58 +        }
    1.59 +    }
    1.60 +
    1.61 +    /**
    1.62 +     * Sets the given item as the current default.
    1.63 +     * This only updates the UI, so callers are responsible for persisting any state.
    1.64 +     *
    1.65 +     * @param item The intended new default.
    1.66 +     */
    1.67 +    public void setDefault(CustomListPreference item) {
    1.68 +        if (mDefaultReference != null) {
    1.69 +            mDefaultReference.setIsDefault(false);
    1.70 +        }
    1.71 +
    1.72 +        item.setIsDefault(true);
    1.73 +        mDefaultReference = item;
    1.74 +    }
    1.75 +}