1 /*

     2  * Copyright (C) 2007 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 COMPUTER, 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 COMPUTER, 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 #include "WebKitDLL.h"

    28 #include "WebResource.h"

    29 

    30 #include "MemoryStream.h"

    31 

    32 #pragma warning(push, 0)

    33 #include <WebCore/BString.h>

    34 #pragma warning(pop)

    35 

    36 using namespace WebCore;

    37 

    38 // WebResource ---------------------------------------------------------------------

    39 

    40 WebResource::WebResource(IStream* data, const WebCore::KURL& url, const WebCore::String& mimeType, const WebCore::String& textEncodingName, const WebCore::String& frameName)

    41     : m_refCount(0)

    42     , m_data(data)

    43     , m_url(url)

    44     , m_mimeType(mimeType)

    45     , m_textEncodingName(textEncodingName)

    46     , m_frameName(frameName)

    47 {

    48     gClassCount++;

    49 }

    50 

    51 WebResource::~WebResource()

    52 {

    53     gClassCount--;

    54 }

    55 

    56 WebResource* WebResource::createInstance(PassRefPtr<WebCore::SharedBuffer> data, const WebCore::ResourceResponse& response)

    57 {

    58     COMPtr<IStream> memoryStream;

    59     memoryStream.adoptRef(MemoryStream::createInstance(data));

    60 

    61     WebResource* instance = new WebResource(memoryStream.get(), response.url(), response.mimeType(), response.textEncodingName(), String());

    62     instance->AddRef();

    63     return instance;

    64 }

    65 

    66 // IUnknown -------------------------------------------------------------------

    67 

    68 HRESULT STDMETHODCALLTYPE WebResource::QueryInterface(REFIID riid, void** ppvObject)

    69 {

    70     *ppvObject = 0;

    71     if (IsEqualGUID(riid, IID_IUnknown))

    72         *ppvObject = static_cast<IUnknown*>(this);

    73     else if (IsEqualGUID(riid, IID_IWebResource))

    74         *ppvObject = static_cast<IWebResource*>(this);

    75     else

    76         return E_NOINTERFACE;

    77 

    78     AddRef();

    79     return S_OK;

    80 }

    81 

    82 ULONG STDMETHODCALLTYPE WebResource::AddRef(void)

    83 {

    84     return ++m_refCount;

    85 }

    86 

    87 ULONG STDMETHODCALLTYPE WebResource::Release(void)

    88 {

    89     ULONG newRef = --m_refCount;

    90     if (!newRef)

    91         delete(this);

    92 

    93     return newRef;

    94 }

    95 

    96 // WebResource ------------------------------------------------------------------

    97 

    98 HRESULT STDMETHODCALLTYPE WebResource::initWithData( 

    99     /* [in] */ IStream *data,

   100     /* [in] */ BSTR url,

   101     /* [in] */ BSTR mimeType,

   102     /* [in] */ BSTR textEncodingName,

   103     /* [in] */ BSTR frameName)

   104 {

   105     m_data = data;

   106     m_url = KURL(String(url).deprecatedString());

   107     m_mimeType = String(mimeType);

   108     m_textEncodingName = String(textEncodingName);

   109     m_frameName = String(frameName);

   110 

   111     return S_OK;

   112 }

   113 

   114     

   115 HRESULT STDMETHODCALLTYPE WebResource::data( 

   116     /* [retval][out] */ IStream **data)

   117 {

   118     return m_data.copyRefTo(data);

   119 }

   120    

   121 HRESULT STDMETHODCALLTYPE WebResource::URL( 

   122     /* [retval][out] */ BSTR *url)

   123 {

   124     if (!url) {

   125         ASSERT_NOT_REACHED();

   126         return E_POINTER;

   127     }

   128 

   129     *url = BString(String(m_url.url())).release();

   130     return S_OK;

   131 }

   132     

   133 HRESULT STDMETHODCALLTYPE WebResource::MIMEType( 

   134     /* [retval][out] */ BSTR *mime)

   135 {

   136     if (!mime) {

   137         ASSERT_NOT_REACHED();

   138         return E_POINTER;

   139     }

   140 

   141     *mime = BString(m_mimeType).release();

   142     return S_OK;

   143 }

   144    

   145 HRESULT STDMETHODCALLTYPE WebResource::textEncodingName( 

   146     /* [retval][out] */ BSTR *encodingName)

   147 {

   148     if (!encodingName) {

   149         ASSERT_NOT_REACHED();

   150         return E_POINTER;

   151     }

   152 

   153     *encodingName = BString(m_textEncodingName).release();

   154     return S_OK;

   155 }

   156     

   157 HRESULT STDMETHODCALLTYPE WebResource::frameName( 

   158     /* [retval][out] */ BSTR *name)

   159 {

   160     if (!name) {

   161         ASSERT_NOT_REACHED();

   162         return E_POINTER;

   163     }

   164 

   165     *name = BString(m_frameName).release();

   166     return S_OK;

   167 }