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      1 /*
      2  * Copyright (C) 2009 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. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 
     28 #include "WebPluginHalterClient.h"
     29 
     30 #include "DOMCoreClasses.h"
     31 #include "WebView.h"
     32 #include <WebCore/Node.h>
     33 #include <wtf/Assertions.h>
     34 
     35 using namespace WebCore;
     36 
     37 WebPluginHalterClient::WebPluginHalterClient(WebView* webView)
     38     : m_webView(webView)
     39 {
     40     ASSERT_ARG(webView, webView);
     41 }
     42 
     43 bool WebPluginHalterClient::shouldHaltPlugin(Node* n, bool isWindowed, const String& pluginName) const
     44 {
     45     ASSERT_ARG(n, n);
     46 
     47     IWebPluginHalterDelegate* d;
     48     if (FAILED(m_webView->pluginHalterDelegate(&d)) || !d)
     49         return false;
     50 
     51     COMPtr<IDOMNode> domNode(AdoptCOM, DOMNode::createInstance(n));
     52 
     53     BOOL shouldHalt;
     54     if (FAILED(d->shouldHaltPlugin(m_webView, domNode.get(), isWindowed, BString(pluginName), &shouldHalt)))
     55         return false;
     56 
     57     return shouldHalt;
     58 }
     59 
     60 bool WebPluginHalterClient::enabled() const
     61 {
     62     IWebPluginHalterDelegate* d;
     63     if (FAILED(m_webView->pluginHalterDelegate(&d)) || !d)
     64         return false;
     65 
     66     return true;
     67 }
     68