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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 #include "core/loader/DocumentLoader.h"
     35 #include "platform/exported/WrappedResourceRequest.h"
     36 #include "platform/exported/WrappedResourceResponse.h"
     37 #include "platform/weborigin/KURL.h"
     38 #include "public/web/WebDataSource.h"
     39 #include "web/WebPluginLoadObserver.h"
     40 #include "wtf/OwnPtr.h"
     41 #include "wtf/PassOwnPtr.h"
     42 #include "wtf/Vector.h"
     43 
     44 namespace blink {
     45 
     46 class WebPluginLoadObserver;
     47 
     48 class WebDataSourceImpl FINAL : public WebCore::DocumentLoader, public WebDataSource {
     49 public:
     50     static PassRefPtr<WebDataSourceImpl> create(WebCore::LocalFrame*, const WebCore::ResourceRequest&, const WebCore::SubstituteData&);
     51 
     52     static WebDataSourceImpl* fromDocumentLoader(WebCore::DocumentLoader* loader)
     53     {
     54         return static_cast<WebDataSourceImpl*>(loader);
     55     }
     56 
     57     // WebDataSource methods:
     58     virtual const WebURLRequest& originalRequest() const OVERRIDE;
     59     virtual const WebURLRequest& request() const OVERRIDE;
     60     virtual const WebURLResponse& response() const OVERRIDE;
     61     virtual bool hasUnreachableURL() const OVERRIDE;
     62     virtual WebURL unreachableURL() const OVERRIDE;
     63     virtual void appendRedirect(const WebURL&) OVERRIDE;
     64     virtual void redirectChain(WebVector<WebURL>&) const OVERRIDE;
     65     virtual bool isClientRedirect() const OVERRIDE;
     66     virtual bool replacesCurrentHistoryItem() const OVERRIDE;
     67     virtual WebNavigationType navigationType() const OVERRIDE;
     68     virtual double triggeringEventTime() const OVERRIDE;
     69     virtual ExtraData* extraData() const OVERRIDE;
     70     virtual void setExtraData(ExtraData*) OVERRIDE;
     71     virtual void setNavigationStartTime(double) OVERRIDE;
     72 
     73     static WebNavigationType toWebNavigationType(WebCore::NavigationType type);
     74 
     75     PassOwnPtr<WebPluginLoadObserver> releasePluginLoadObserver() { return m_pluginLoadObserver.release(); }
     76     static void setNextPluginLoadObserver(PassOwnPtr<WebPluginLoadObserver>);
     77 
     78 private:
     79     WebDataSourceImpl(WebCore::LocalFrame*, const WebCore::ResourceRequest&, const WebCore::SubstituteData&);
     80     virtual ~WebDataSourceImpl();
     81 
     82     // Mutable because the const getters will magically sync these to the
     83     // latest version from WebKit.
     84     mutable WrappedResourceRequest m_originalRequestWrapper;
     85     mutable WrappedResourceRequest m_requestWrapper;
     86     mutable WrappedResourceResponse m_responseWrapper;
     87 
     88     OwnPtr<ExtraData> m_extraData;
     89     OwnPtr<WebPluginLoadObserver> m_pluginLoadObserver;
     90 };
     91 
     92 } // namespace blink
     93 
     94 #endif  // WebDataSourceImpl_h
     95