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      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 "WebGeolocationPermissionRequestManager.h"
     28 
     29 #include "WebGeolocationPermissionRequest.h"
     30 #include "wtf/HashMap.h"
     31 
     32 namespace WebCore {
     33 class Geolocation;
     34 }
     35 
     36 using namespace WebCore;
     37 
     38 typedef HashMap<Geolocation*, int> GeolocationIdMap;
     39 typedef HashMap<int, Geolocation*> IdGeolocationMap;
     40 
     41 namespace blink {
     42 class WebGeolocationPermissionRequestManagerPrivate {
     43 public:
     44     GeolocationIdMap m_geolocationIdMap;
     45     IdGeolocationMap m_idGeolocationMap;
     46 };
     47 }
     48 
     49 using namespace blink;
     50 
     51 int WebGeolocationPermissionRequestManager::add(const blink::WebGeolocationPermissionRequest& permissionRequest)
     52 {
     53     Geolocation* geolocation = permissionRequest.geolocation();
     54     ASSERT(!m_private->m_geolocationIdMap.contains(geolocation));
     55     int id = ++m_lastId;
     56     m_private->m_geolocationIdMap.add(geolocation, id);
     57     m_private->m_idGeolocationMap.add(id, geolocation);
     58     return id;
     59 }
     60 
     61 bool WebGeolocationPermissionRequestManager::remove(const blink::WebGeolocationPermissionRequest& permissionRequest, int& id)
     62 {
     63     Geolocation* geolocation = permissionRequest.geolocation();
     64     GeolocationIdMap::iterator it = m_private->m_geolocationIdMap.find(geolocation);
     65     if (it == m_private->m_geolocationIdMap.end())
     66         return false;
     67     id = it->value;
     68     m_private->m_geolocationIdMap.remove(it);
     69     m_private->m_idGeolocationMap.remove(id);
     70     return true;
     71 }
     72 
     73 bool WebGeolocationPermissionRequestManager::remove(int id, blink::WebGeolocationPermissionRequest& permissionRequest)
     74 {
     75     IdGeolocationMap::iterator it = m_private->m_idGeolocationMap.find(id);
     76     if (it == m_private->m_idGeolocationMap.end())
     77         return false;
     78     Geolocation* geolocation = it->value;
     79     permissionRequest = WebGeolocationPermissionRequest(geolocation);
     80     m_private->m_idGeolocationMap.remove(it);
     81     m_private->m_geolocationIdMap.remove(geolocation);
     82     return true;
     83 }
     84 
     85 void WebGeolocationPermissionRequestManager::init()
     86 {
     87     m_lastId = 0;
     88     m_private.reset(new WebGeolocationPermissionRequestManagerPrivate);
     89 }
     90 
     91 void WebGeolocationPermissionRequestManager::reset()
     92 {
     93     m_private.reset(0);
     94 }
     95 
     96