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      1 /*
      2  * Copyright (C) 2010 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 "WebKitDLL.h"
     28 #include "WebGeolocationClient.h"
     29 
     30 #include "WebFrame.h"
     31 #include "WebGeolocationPolicyListener.h"
     32 #include "WebGeolocationPosition.h"
     33 #include "WebSecurityOrigin.h"
     34 #include "WebView.h"
     35 #include <WebCore/Frame.h>
     36 #include <WebCore/Geolocation.h>
     37 #include <WebCore/SecurityOrigin.h>
     38 
     39 using namespace WebCore;
     40 
     41 WebGeolocationClient::WebGeolocationClient(WebView* webView)
     42     : m_webView(webView)
     43 {
     44 }
     45 
     46 void WebGeolocationClient::geolocationDestroyed()
     47 {
     48     delete this;
     49 }
     50 
     51 void WebGeolocationClient::startUpdating()
     52 {
     53     COMPtr<IWebGeolocationProvider> provider;
     54     if (FAILED(m_webView->geolocationProvider(&provider)))
     55         return;
     56     provider->registerWebView(m_webView.get());
     57 }
     58 
     59 void WebGeolocationClient::stopUpdating()
     60 {
     61     COMPtr<IWebGeolocationProvider> provider;
     62     if (FAILED(m_webView->geolocationProvider(&provider)))
     63         return;
     64     provider->unregisterWebView(m_webView.get());
     65 }
     66 
     67 GeolocationPosition* WebGeolocationClient::lastPosition()
     68 {
     69 #if ENABLE(CLIENT_BASED_GEOLOCATION)
     70     COMPtr<IWebGeolocationProvider> provider;
     71     if (FAILED(m_webView->geolocationProvider(&provider)))
     72         return 0;
     73     COMPtr<IWebGeolocationPosition> position;
     74     if (FAILED(provider->lastPosition(&position)))
     75         return 0;
     76     return core(position.get());
     77 #else
     78     return 0;
     79 #endif
     80 }
     81 
     82 void WebGeolocationClient::requestPermission(Geolocation* geolocation)
     83 {
     84     COMPtr<IWebUIDelegate> uiDelegate;
     85     if (FAILED(m_webView->uiDelegate(&uiDelegate))) {
     86         geolocation->setIsAllowed(false);
     87         return;
     88     }
     89 
     90     COMPtr<IWebUIDelegatePrivate2> uiDelegatePrivate2(Query, uiDelegate);
     91     if (!uiDelegatePrivate2) {
     92         geolocation->setIsAllowed(false);
     93         return;
     94     }
     95 
     96     Frame* frame = geolocation->frame();
     97     COMPtr<WebSecurityOrigin> origin(AdoptCOM, WebSecurityOrigin::createInstance(frame->document()->securityOrigin()));
     98     COMPtr<WebGeolocationPolicyListener> listener = WebGeolocationPolicyListener::createInstance(geolocation);
     99     HRESULT hr = uiDelegatePrivate2->decidePolicyForGeolocationRequest(m_webView.get(), kit(frame), origin.get(), listener.get());
    100     if (hr != E_NOTIMPL)
    101         return;
    102 
    103     geolocation->setIsAllowed(false);
    104 }
    105