Source/WebKit2/WebProcess/Geolocation/WebGeolocationManager.cpp

/*
 * Copyright (C) 2011, 2012, 2013 Apple Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions
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#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/GeolocationPosition.h>
#include <WebCore/Page.h>

using namespace WebCore;

namespace WebKit {

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)
{
    bool wasUpdating = isUpdating();

    m_pageSet.add(page);

    if (!wasUpdating)
        m_process->parentProcessConnection()->send(Messages::WebGeolocationManagerProxy::StartUpdating(), 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 WebGeolocationPosition::Data& data)
{
#if ENABLE(GEOLOCATION)
    RefPtr<GeolocationPosition> position = GeolocationPosition::create(data.timestamp, data.latitude, data.longitude, data.accuracy, data.canProvideAltitude, data.altitude, data.canProvideAltitudeAccuracy, data.altitudeAccuracy, data.canProvideHeading, data.heading, data.canProvideSpeed, data.speed);

    Vector<RefPtr<WebPage>> webPageCopy;
    copyToVector(m_pageSet, webPageCopy);
    for (size_t i = 0; i < webPageCopy.size(); ++i) {
        WebPage* page = webPageCopy[i].get();
        if (page->corePage())
            GeolocationController::from(page->corePage())->positionChanged(position.get());
    }
#else
    UNUSED_PARAM(data);
#endif // ENABLE(GEOLOCATION)
}

void WebGeolocationManager::didFailToDeterminePosition(const String& errorMessage)
{
#if ENABLE(GEOLOCATION)
    // FIXME: Add localized error string.
    RefPtr<GeolocationError> error = GeolocationError::create(GeolocationError::PositionUnavailable, errorMessage);

    Vector<RefPtr<WebPage>> webPageCopy;
    copyToVector(m_pageSet, webPageCopy);
    for (size_t i = 0; i < webPageCopy.size(); ++i) {
        WebPage* page = webPageCopy[i].get();
        if (page->corePage())
            GeolocationController::from(page->corePage())->errorOccurred(error.get());
    }
#else
    UNUSED_PARAM(errorMessage);
#endif // ENABLE(GEOLOCATION)
}

#if PLATFORM(IOS)
void WebGeolocationManager::resetPermissions()
{
    m_process->resetAllGeolocationPermissions();
}
#endif // PLATFORM(IOS)

} // namespace WebKit