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      1 /*
      2  * Copyright (C) 2009 Google 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef WebDataSourceImpl_h
     32 #define WebDataSourceImpl_h
     33 
     34 // FIXME: This relative path is a temporary hack to support using this
     35 // header from webkit/glue.
     36 #include "../public/WebDataSource.h"
     37 
     38 #include "DocumentLoader.h"
     39 #include "KURL.h"
     40 
     41 #include "WebPluginLoadObserver.h"
     42 #include "WrappedResourceRequest.h"
     43 #include "WrappedResourceResponse.h"
     44 
     45 #include <wtf/OwnPtr.h>
     46 #include <wtf/PassOwnPtr.h>
     47 #include <wtf/Vector.h>
     48 
     49 namespace WebKit {
     50 
     51 class WebPluginLoadObserver;
     52 
     53 class WebDataSourceImpl : public WebCore::DocumentLoader, public WebDataSource {
     54 public:
     55     static PassRefPtr<WebDataSourceImpl> create(const WebCore::ResourceRequest&,
     56                                                 const WebCore::SubstituteData&);
     57 
     58     static WebDataSourceImpl* fromDocumentLoader(WebCore::DocumentLoader* loader)
     59     {
     60         return static_cast<WebDataSourceImpl*>(loader);
     61     }
     62 
     63     // WebDataSource methods:
     64     virtual const WebURLRequest& originalRequest() const;
     65     virtual const WebURLRequest& request() const;
     66     virtual const WebURLResponse& response() const;
     67     virtual bool hasUnreachableURL() const;
     68     virtual WebURL unreachableURL() const;
     69     virtual void redirectChain(WebVector<WebURL>&) const;
     70     virtual WebString pageTitle() const;
     71     virtual WebNavigationType navigationType() const;
     72     virtual double triggeringEventTime() const;
     73     virtual ExtraData* extraData() const;
     74     virtual void setExtraData(ExtraData*);
     75     virtual WebApplicationCacheHost* applicationCacheHost();
     76 
     77     static WebNavigationType toWebNavigationType(WebCore::NavigationType type);
     78 
     79     bool hasRedirectChain() const { return !m_redirectChain.isEmpty(); }
     80     const WebCore::KURL& endOfRedirectChain() const;
     81     void clearRedirectChain();
     82     void appendRedirect(const WebCore::KURL& url);
     83 
     84     PassOwnPtr<WebPluginLoadObserver> releasePluginLoadObserver() { return m_pluginLoadObserver.release(); }
     85     static void setNextPluginLoadObserver(PassOwnPtr<WebPluginLoadObserver>);
     86 
     87 private:
     88     WebDataSourceImpl(const WebCore::ResourceRequest&, const WebCore::SubstituteData&);
     89     ~WebDataSourceImpl();
     90 
     91     // Mutable because the const getters will magically sync these to the
     92     // latest version from WebKit.
     93     mutable WrappedResourceRequest m_originalRequestWrapper;
     94     mutable WrappedResourceRequest m_requestWrapper;
     95     mutable WrappedResourceResponse m_responseWrapper;
     96 
     97     // Lists all intermediate URLs that have redirected for the current provisional load.
     98     // See WebFrameLoaderClient::dispatchDidReceiveServerRedirectForProvisionalLoad for a
     99     // description of who modifies this when to keep it up to date.
    100     Vector<WebCore::KURL> m_redirectChain;
    101 
    102     OwnPtr<ExtraData> m_extraData;
    103     OwnPtr<WebPluginLoadObserver> m_pluginLoadObserver;
    104 
    105     static WebPluginLoadObserver* m_nextPluginLoadObserver;
    106 };
    107 
    108 } // namespace WebKit
    109 
    110 #endif  // WebDataSourceImpl_h
    111