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 "DocumentLoader.h"

    35 #include "KURL.h"

    36 #include "WebDataSource.h"

    37 #include "WebPluginLoadObserver.h"

    38 #include "WrappedResourceRequest.h"

    39 #include "WrappedResourceResponse.h"

    40 #include <wtf/OwnPtr.h>

    41 #include <wtf/PassOwnPtr.h>

    42 #include <wtf/Vector.h>

    43 

    44 namespace WebKit {

    45 

    46 class WebPluginLoadObserver;

    47 

    48 class WebDataSourceImpl : public WebCore::DocumentLoader, public WebDataSource {

    49 public:

    50     static PassRefPtr<WebDataSourceImpl> create(const WebCore::ResourceRequest&,

    51                                                 const WebCore::SubstituteData&);

    52 

    53     static WebDataSourceImpl* fromDocumentLoader(WebCore::DocumentLoader* loader)

    54     {

    55         return static_cast<WebDataSourceImpl*>(loader);

    56     }

    57 

    58     // WebDataSource methods:

    59     virtual const WebURLRequest& originalRequest() const;

    60     virtual const WebURLRequest& request() const;

    61     virtual const WebURLResponse& response() const;

    62     virtual bool hasUnreachableURL() const;

    63     virtual WebURL unreachableURL() const;

    64     virtual void redirectChain(WebVector<WebURL>&) const;

    65     virtual WebString pageTitle() const;

    66     virtual WebNavigationType navigationType() const;

    67     virtual double triggeringEventTime() const;

    68     virtual ExtraData* extraData() const;

    69     virtual void setExtraData(ExtraData*);

    70     virtual WebApplicationCacheHost* applicationCacheHost();

    71 

    72     static WebNavigationType toWebNavigationType(WebCore::NavigationType type);

    73 

    74     bool hasRedirectChain() const { return !m_redirectChain.isEmpty(); }

    75     const WebCore::KURL& endOfRedirectChain() const;

    76     void clearRedirectChain();

    77     void appendRedirect(const WebCore::KURL& url);

    78 

    79     PassOwnPtr<WebPluginLoadObserver> releasePluginLoadObserver() { return m_pluginLoadObserver.release(); }

    80     static void setNextPluginLoadObserver(PassOwnPtr<WebPluginLoadObserver>);

    81 

    82 private:

    83     WebDataSourceImpl(const WebCore::ResourceRequest&, const WebCore::SubstituteData&);

    84     ~WebDataSourceImpl();

    85 

    86     // Mutable because the const getters will magically sync these to the

    87     // latest version from WebKit.

    88     mutable WrappedResourceRequest m_originalRequestWrapper;

    89     mutable WrappedResourceRequest m_requestWrapper;

    90     mutable WrappedResourceResponse m_responseWrapper;

    91 

    92     // Lists all intermediate URLs that have redirected for the current provisional load.

    93     // See WebFrameLoaderClient::dispatchDidReceiveServerRedirectForProvisionalLoad for a

    94     // description of who modifies this when to keep it up to date.

    95     Vector<WebCore::KURL> m_redirectChain;

    96 

    97     OwnPtr<ExtraData> m_extraData;

    98     OwnPtr<WebPluginLoadObserver> m_pluginLoadObserver;

    99 

   100     static WebPluginLoadObserver* m_nextPluginLoadObserver;

   101 };

   102 

   103 } // namespace WebKit

   104 

   105 #endif  // WebDataSourceImpl_h