diff -r 000000000000 -r 4f2f89ce4247 WebKit/win/DefaultPolicyDelegate.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/win/DefaultPolicyDelegate.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,199 @@
+/*
+ * Copyright (C) 2007 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * 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 "WebKitDLL.h"
+#include "DefaultPolicyDelegate.h"
+
+#include "WebKit.h"
+
+#pragma warning(push, 0)
+#include <WebCore/PlatformString.h>
+#pragma warning(pop)
+
+using namespace WebCore;
+
+// FIXME: move this enum to a separate header file when other code begins to use it.
+typedef enum WebExtraNavigationType {
+    WebNavigationTypePlugInRequest = WebNavigationTypeOther + 1
+} WebExtraNavigationType;
+
+// DefaultPolicyDelegate ----------------------------------------------------------------
+
+DefaultPolicyDelegate::DefaultPolicyDelegate()
+    : m_refCount(0)
+{
+    gClassCount++;
+    gClassNameCount.add("DefaultPolicyDelegate");
+}
+
+DefaultPolicyDelegate::~DefaultPolicyDelegate()
+{
+    gClassCount--;
+    gClassNameCount.remove("DefaultPolicyDelegate");
+}
+
+DefaultPolicyDelegate* DefaultPolicyDelegate::sharedInstance()
+{
+    static COMPtr<DefaultPolicyDelegate> shared;
+    if (!shared)
+        shared.adoptRef(DefaultPolicyDelegate::createInstance());
+    return shared.get();
+}
+
+DefaultPolicyDelegate* DefaultPolicyDelegate::createInstance()
+{
+    DefaultPolicyDelegate* instance = new DefaultPolicyDelegate();
+    instance->AddRef();
+    return instance;
+}
+
+// IUnknown -------------------------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DefaultPolicyDelegate::QueryInterface(REFIID riid, void** ppvObject)
+{
+    *ppvObject = 0;
+    if (IsEqualGUID(riid, IID_IUnknown))
+        *ppvObject = static_cast<IUnknown*>(this);
+    else if (IsEqualGUID(riid, IID_IWebPolicyDelegate))
+        *ppvObject = static_cast<IWebPolicyDelegate*>(this);
+    else
+        return E_NOINTERFACE;
+
+    AddRef();
+    return S_OK;
+}
+
+ULONG STDMETHODCALLTYPE DefaultPolicyDelegate::AddRef()
+{
+    return ++m_refCount;
+}
+
+ULONG STDMETHODCALLTYPE DefaultPolicyDelegate::Release()
+{
+    ULONG newRef = --m_refCount;
+    if (!newRef)
+        delete(this);
+
+    return newRef;
+}
+
+HRESULT STDMETHODCALLTYPE DefaultPolicyDelegate::decidePolicyForNavigationAction(
+    /*[in]*/ IWebView* webView, 
+    /*[in]*/ IPropertyBag* actionInformation, 
+    /*[in]*/ IWebURLRequest* request, 
+    /*[in]*/ IWebFrame* /*frame*/, 
+    /*[in]*/ IWebPolicyDecisionListener* listener)
+{
+    int navType = 0;
+    VARIANT var;
+    if (SUCCEEDED(actionInformation->Read(WebActionNavigationTypeKey, &var, 0))) {
+        V_VT(&var) = VT_I4;
+        navType = V_I4(&var);
+    }
+    COMPtr<IWebViewPrivate> wvPrivate(Query, webView);
+    if (wvPrivate) {
+        BOOL canHandleRequest = FALSE;
+        if (SUCCEEDED(wvPrivate->canHandleRequest(request, &canHandleRequest)) && canHandleRequest)
+            listener->use();
+        else if (navType == WebNavigationTypePlugInRequest)
+            listener->use();
+        else {
+            BSTR url;
+            // A file URL shouldn't fall through to here, but if it did,
+            // it would be a security risk to open it.
+            if (SUCCEEDED(request->URL(&url)) && !String(url, SysStringLen(url)).startsWith("file:")) {
+                // FIXME: Open the URL not by means of a webframe, but by handing it over to the system and letting it determine how to open that particular URL scheme.  See documentation for [NSWorkspace openURL]
+                ;
+            }
+            listener->ignore();
+            SysFreeString(url);
+        }
+    }
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DefaultPolicyDelegate::decidePolicyForNewWindowAction(
+    /*[in]*/ IWebView* /*webView*/, 
+    /*[in]*/ IPropertyBag* /*actionInformation*/, 
+    /*[in]*/ IWebURLRequest* /*request*/, 
+    /*[in]*/ BSTR /*frameName*/, 
+    /*[in]*/ IWebPolicyDecisionListener* listener)
+{
+    listener->use();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DefaultPolicyDelegate::decidePolicyForMIMEType(
+    /*[in]*/ IWebView* webView, 
+    /*[in]*/ BSTR type, 
+    /*[in]*/ IWebURLRequest* request, 
+    /*[in]*/ IWebFrame* /*frame*/, 
+    /*[in]*/ IWebPolicyDecisionListener* listener)
+{
+    BOOL canShowMIMEType;
+    if (FAILED(webView->canShowMIMEType(type, &canShowMIMEType)))
+        canShowMIMEType = FALSE;
+
+    BSTR url;
+    request->URL(&url);
+
+    if (String(url, SysStringLen(url)).startsWith("file:")) {
+        BOOL isDirectory = FALSE;
+        WIN32_FILE_ATTRIBUTE_DATA attrs;
+        if (GetFileAttributesEx(url, GetFileExInfoStandard, &attrs))
+            isDirectory = !!(attrs.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
+
+        if (isDirectory)
+            listener->ignore();
+        else if(canShowMIMEType)
+            listener->use();
+        else
+            listener->ignore();
+    } else if (canShowMIMEType)
+        listener->use();
+    else
+        listener->ignore();
+    SysFreeString(url);
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DefaultPolicyDelegate::unableToImplementPolicyWithError(
+    /*[in]*/ IWebView* /*webView*/, 
+    /*[in]*/ IWebError* error, 
+    /*[in]*/ IWebFrame* frame)
+{
+    BSTR errorStr;
+    error->localizedDescription(&errorStr);
+
+    BSTR frameName;
+    frame->name(&frameName);
+
+    LOG_ERROR("called unableToImplementPolicyWithError:%S inFrame:%S", errorStr ? errorStr : TEXT(""), frameName ? frameName : TEXT(""));
+    SysFreeString(errorStr);
+    SysFreeString(frameName);
+
+    return S_OK;
+}