1/*
2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "public/web/WebGeolocationPermissionRequestManager.h"
28
29#include "modules/geolocation/Geolocation.h"
30#include "public/web/WebGeolocationPermissionRequest.h"
31#include "wtf/HashMap.h"
32
33namespace blink {
34
35typedef PersistentHeapHashMap<Member<Geolocation>, int> GeolocationIdMap;
36typedef PersistentHeapHashMap<int, Member<Geolocation> > IdGeolocationMap;
37
38class WebGeolocationPermissionRequestManagerPrivate {
39public:
40    GeolocationIdMap m_geolocationIdMap;
41    IdGeolocationMap m_idGeolocationMap;
42};
43
44int WebGeolocationPermissionRequestManager::add(const WebGeolocationPermissionRequest& permissionRequest)
45{
46    Geolocation* geolocation = permissionRequest.geolocation();
47    ASSERT(!m_private->m_geolocationIdMap.contains(geolocation));
48    static int lastId;
49    int id = ++lastId;
50    m_private->m_geolocationIdMap.add(geolocation, id);
51    m_private->m_idGeolocationMap.add(id, geolocation);
52    return id;
53}
54
55bool WebGeolocationPermissionRequestManager::remove(const WebGeolocationPermissionRequest& permissionRequest, int& id)
56{
57    Geolocation* geolocation = permissionRequest.geolocation();
58    GeolocationIdMap::iterator it = m_private->m_geolocationIdMap.find(geolocation);
59    if (it == m_private->m_geolocationIdMap.end())
60        return false;
61    id = it->value;
62    m_private->m_geolocationIdMap.remove(it);
63    m_private->m_idGeolocationMap.remove(id);
64    return true;
65}
66
67bool WebGeolocationPermissionRequestManager::remove(int id, WebGeolocationPermissionRequest& permissionRequest)
68{
69    IdGeolocationMap::iterator it = m_private->m_idGeolocationMap.find(id);
70    if (it == m_private->m_idGeolocationMap.end())
71        return false;
72    Geolocation* geolocation = it->value;
73    permissionRequest = WebGeolocationPermissionRequest(geolocation);
74    m_private->m_idGeolocationMap.remove(it);
75    m_private->m_geolocationIdMap.remove(geolocation);
76    return true;
77}
78
79void WebGeolocationPermissionRequestManager::init()
80{
81    m_private.reset(new WebGeolocationPermissionRequestManagerPrivate);
82}
83
84void WebGeolocationPermissionRequestManager::reset()
85{
86    m_private.reset(0);
87}
88
89} // namespace blink
90