text: /*
   * Copyright (C) 2011, 2012, 2013 Apple Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
   * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   * THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "config.h"
  #include "WebGeolocationManager.h"
  
  #include "WebGeolocationManagerMessages.h"
  #include "WebGeolocationManagerProxyMessages.h"
  #include "WebPage.h"
  #include "WebProcess.h"
  #include <WebCore/Geolocation.h>
  #include <WebCore/GeolocationController.h>
  #include <WebCore/GeolocationError.h>
  #include <WebCore/GeolocationPositionData.h>
  #include <WebCore/Page.h>
  
  namespace WebKit {
  using namespace WebCore;
  
  const char* WebGeolocationManager::supplementName()
  {
      return "WebGeolocationManager";
  }
  
  WebGeolocationManager::WebGeolocationManager(WebProcess& process)
      : m_process(process)
  {
      m_process.addMessageReceiver(Messages::WebGeolocationManager::messageReceiverName(), *this);
  }
  
  void WebGeolocationManager::registerWebPage(WebPage& page, const String& authorizationToken)
  {
      bool wasUpdating = isUpdating();
  
      m_pageSet.add(&page);
  
      if (!wasUpdating)
          m_process.parentProcessConnection()->send(Messages::WebGeolocationManagerProxy::StartUpdating(page.webPageProxyIdentifier(), authorizationToken), 0);
  }
  
  void WebGeolocationManager::unregisterWebPage(WebPage& page)
  {
      bool highAccuracyWasEnabled = isHighAccuracyEnabled();
  
      m_pageSet.remove(&page);
      m_highAccuracyPageSet.remove(&page);
  
      if (!isUpdating())
          m_process.parentProcessConnection()->send(Messages::WebGeolocationManagerProxy::StopUpdating(), 0);
      else {
          bool highAccuracyShouldBeEnabled = isHighAccuracyEnabled();
          if (highAccuracyWasEnabled != highAccuracyShouldBeEnabled)
              m_process.parentProcessConnection()->send(Messages::WebGeolocationManagerProxy::SetEnableHighAccuracy(highAccuracyShouldBeEnabled), 0);
      }
  }
  
  void WebGeolocationManager::setEnableHighAccuracyForPage(WebPage& page, bool enabled)
  {
      bool highAccuracyWasEnabled = isHighAccuracyEnabled();
  
      if (enabled)
          m_highAccuracyPageSet.add(&page);
      else
          m_highAccuracyPageSet.remove(&page);
  
      bool highAccuracyShouldBeEnabled = isHighAccuracyEnabled();
      if (highAccuracyWasEnabled != highAccuracyShouldBeEnabled)
          m_process.parentProcessConnection()->send(Messages::WebGeolocationManagerProxy::SetEnableHighAccuracy(highAccuracyShouldBeEnabled), 0);
  }
  
  void WebGeolocationManager::didChangePosition(const GeolocationPositionData& position)
  {
  #if ENABLE(GEOLOCATION)
      for (auto& page : copyToVector(m_pageSet)) {
          if (page->corePage())
              GeolocationController::from(page->corePage())->positionChanged(position);
      }
  #else
      UNUSED_PARAM(position);
  #endif // ENABLE(GEOLOCATION)
  }
  
  void WebGeolocationManager::didFailToDeterminePosition(const String& errorMessage)
  {
  #if ENABLE(GEOLOCATION)
      // FIXME: Add localized error string.
      auto error = GeolocationError::create(GeolocationError::PositionUnavailable, errorMessage);
  
      for (auto& page : copyToVector(m_pageSet)) {
          if (page->corePage())
              GeolocationController::from(page->corePage())->errorOccurred(error.get());
      }
  #else
      UNUSED_PARAM(errorMessage);
  #endif // ENABLE(GEOLOCATION)
  }
  
  #if PLATFORM(IOS_FAMILY)
  void WebGeolocationManager::resetPermissions()
  {
      m_process.resetAllGeolocationPermissions();
  }
  #endif // PLATFORM(IOS_FAMILY)
  
  } // namespace WebKit
  