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      1 /*
      2  * Copyright (C) 2011 Apple 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  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "WebGeolocationManager.h"
     28 
     29 #include "WebGeolocationManagerProxyMessages.h"
     30 #include "WebPage.h"
     31 #include "WebProcess.h"
     32 
     33 #if ENABLE(CLIENT_BASED_GEOLOCATION)
     34 #include <WebCore/Geolocation.h>
     35 #include <WebCore/GeolocationController.h>
     36 #include <WebCore/GeolocationError.h>
     37 #include <WebCore/GeolocationPosition.h>
     38 #include <WebCore/Page.h>
     39 #endif
     40 
     41 using namespace WebCore;
     42 
     43 namespace WebKit {
     44 
     45 WebGeolocationManager::WebGeolocationManager(WebProcess* process)
     46     : m_process(process)
     47 {
     48 }
     49 
     50 WebGeolocationManager::~WebGeolocationManager()
     51 {
     52 }
     53 
     54 void WebGeolocationManager::didReceiveMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::ArgumentDecoder* arguments)
     55 {
     56     didReceiveWebGeolocationManagerMessage(connection, messageID, arguments);
     57 }
     58 
     59 void WebGeolocationManager::registerWebPage(WebPage* page)
     60 {
     61 #if ENABLE(CLIENT_BASED_GEOLOCATION)
     62     bool wasEmpty = m_pageSet.isEmpty();
     63 
     64     m_pageSet.add(page);
     65 
     66     if (wasEmpty)
     67         m_process->connection()->send(Messages::WebGeolocationManagerProxy::StartUpdating(), 0);
     68 #endif
     69 }
     70 
     71 void WebGeolocationManager::unregisterWebPage(WebPage* page)
     72 {
     73 #if ENABLE(CLIENT_BASED_GEOLOCATION)
     74     m_pageSet.remove(page);
     75 
     76     if (m_pageSet.isEmpty())
     77         m_process->connection()->send(Messages::WebGeolocationManagerProxy::StopUpdating(), 0);
     78 #endif
     79 }
     80 
     81 void WebGeolocationManager::didChangePosition(const WebGeolocationPosition::Data& data)
     82 {
     83 #if ENABLE(CLIENT_BASED_GEOLOCATION)
     84     RefPtr<GeolocationPosition> position = GeolocationPosition::create(data.timestamp, data.latitude, data.longitude, data.accuracy);
     85 
     86     HashSet<WebPage*>::const_iterator it = m_pageSet.begin();
     87     HashSet<WebPage*>::const_iterator end = m_pageSet.end();
     88     for (; it != end; ++it) {
     89         WebPage* page = *it;
     90         if (page->corePage())
     91             page->corePage()->geolocationController()->positionChanged(position.get());
     92     }
     93 #endif
     94 }
     95 
     96 void WebGeolocationManager::didFailToDeterminePosition()
     97 {
     98 #if ENABLE(CLIENT_BASED_GEOLOCATION)
     99     // FIXME: Add localized error string.
    100     RefPtr<GeolocationError> error = GeolocationError::create(GeolocationError::PositionUnavailable, /* Localized error string */ String(""));
    101 
    102     HashSet<WebPage*>::const_iterator it = m_pageSet.begin();
    103     HashSet<WebPage*>::const_iterator end = m_pageSet.end();
    104     for (; it != end; ++it) {
    105         WebPage* page = *it;
    106         if (page->corePage())
    107             page->corePage()->geolocationController()->errorOccurred(error.get());
    108     }
    109 #endif
    110 }
    111 
    112 } // namespace WebKit
    113