The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/base/home/PanelAuthCache.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,82 @@
     1.4 +/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
     1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +package org.mozilla.gecko.home;
    1.10 +
    1.11 +import android.content.Context;
    1.12 +import android.content.SharedPreferences;
    1.13 +import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
    1.14 +import android.util.Log;
    1.15 +
    1.16 +import org.mozilla.gecko.GeckoSharedPrefs;
    1.17 +
    1.18 +/**
    1.19 + * Cache used to store authentication state of dynamic panels. The values
    1.20 + * in this cache are set in JS through the Home.panels API.
    1.21 + *
    1.22 + * {@code DynamicPanel} uses this cache to determine whether or not to
    1.23 + * show authentication UI for dynamic panels, including listening for
    1.24 + * changes in authentication state.
    1.25 + */
    1.26 +class PanelAuthCache {
    1.27 +    private static final String LOGTAG = "GeckoPanelAuthCache";
    1.28 +
    1.29 +    // Keep this in sync with the constant defined in Home.jsm
    1.30 +    private static final String PREFS_PANEL_AUTH_PREFIX = "home_panels_auth_";
    1.31 +
    1.32 +    private final Context mContext;
    1.33 +    private SharedPrefsListener mSharedPrefsListener;
    1.34 +    private OnChangeListener mChangeListener;
    1.35 +
    1.36 +    public interface OnChangeListener {
    1.37 +        public void onChange(String panelId, boolean isAuthenticated);
    1.38 +    }
    1.39 +
    1.40 +    public PanelAuthCache(Context context) {
    1.41 +        mContext = context;
    1.42 +    }
    1.43 +
    1.44 +    private SharedPreferences getSharedPreferences() {
    1.45 +        return GeckoSharedPrefs.forProfile(mContext);
    1.46 +    }
    1.47 +
    1.48 +    private String getPanelAuthKey(String panelId) {
    1.49 +        return PREFS_PANEL_AUTH_PREFIX + panelId;
    1.50 +    }
    1.51 +
    1.52 +    public boolean isAuthenticated(String panelId) {
    1.53 +        final SharedPreferences prefs = getSharedPreferences();
    1.54 +        return prefs.getBoolean(getPanelAuthKey(panelId), false);
    1.55 +    }
    1.56 +
    1.57 +    public void setOnChangeListener(OnChangeListener listener) {
    1.58 +        final SharedPreferences prefs = getSharedPreferences();
    1.59 +
    1.60 +        if (mChangeListener != null) {
    1.61 +            prefs.unregisterOnSharedPreferenceChangeListener(mSharedPrefsListener);
    1.62 +            mSharedPrefsListener = null;
    1.63 +        }
    1.64 +
    1.65 +        mChangeListener = listener;
    1.66 +
    1.67 +        if (mChangeListener != null) {
    1.68 +            mSharedPrefsListener = new SharedPrefsListener();
    1.69 +            prefs.registerOnSharedPreferenceChangeListener(mSharedPrefsListener);
    1.70 +        }
    1.71 +    }
    1.72 +
    1.73 +    private class SharedPrefsListener implements OnSharedPreferenceChangeListener {
    1.74 +        @Override
    1.75 +        public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
    1.76 +            if (key.startsWith(PREFS_PANEL_AUTH_PREFIX)) {
    1.77 +                final String panelId = key.substring(PREFS_PANEL_AUTH_PREFIX.length());
    1.78 +                final boolean isAuthenticated = prefs.getBoolean(key, false);
    1.79 +
    1.80 +                Log.d(LOGTAG, "Auth state changed: panelId=" + panelId + ", isAuthenticated=" + isAuthenticated);
    1.81 +                mChangeListener.onChange(panelId, isAuthenticated);
    1.82 +            }
    1.83 +        }
    1.84 +    }
    1.85 +}