1 /* 2 * Copyright (C) 2006, 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 "WebDataSource.h" 29 30 #include "WebKit.h" 31 #include "MemoryStream.h" 32 #include "WebDocumentLoader.h" 33 #include "WebError.h" 34 #include "WebFrame.h" 35 #include "WebKit.h" 36 #include "WebHTMLRepresentation.h" 37 #include "WebKitStatisticsPrivate.h" 38 #include "WebMutableURLRequest.h" 39 #include "WebResource.h" 40 #include "WebURLResponse.h" 41 #include <WebCore/BString.h> 42 #include <WebCore/CachedResourceLoader.h> 43 #include <WebCore/Document.h> 44 #include <WebCore/Frame.h> 45 #include <WebCore/FrameLoader.h> 46 #include <WebCore/KURL.h> 47 48 using namespace WebCore; 49 50 // WebDataSource ---------------------------------------------------------------- 51 52 // {F230854D-7091-428a-8DB5-37CABA44C105} 53 const GUID IID_WebDataSource = 54 { 0x5c2f9099, 0xe65e, 0x4a0f, { 0x9c, 0xa0, 0x6a, 0xd6, 0x92, 0x52, 0xa6, 0x2a } }; 55 56 WebDataSource::WebDataSource(WebDocumentLoader* loader) 57 : m_refCount(0) 58 , m_loader(loader) 59 { 60 WebDataSourceCount++; 61 gClassCount++; 62 gClassNameCount.add("WebDataSource"); 63 } 64 65 WebDataSource::~WebDataSource() 66 { 67 if (m_loader) 68 m_loader->detachDataSource(); 69 WebDataSourceCount--; 70 gClassCount--; 71 gClassNameCount.remove("WebDataSource"); 72 } 73 74 WebDataSource* WebDataSource::createInstance(WebDocumentLoader* loader) 75 { 76 WebDataSource* instance = new WebDataSource(loader); 77 instance->AddRef(); 78 return instance; 79 } 80 81 WebDocumentLoader* WebDataSource::documentLoader() const 82 { 83 return m_loader.get(); 84 } 85 86 // IWebDataSourcePrivate ------------------------------------------------------ 87 88 HRESULT STDMETHODCALLTYPE WebDataSource::overrideEncoding( 89 /* [retval][out] */ BSTR* /*encoding*/) 90 { 91 ASSERT_NOT_REACHED(); 92 return E_NOTIMPL; 93 } 94 95 HRESULT STDMETHODCALLTYPE WebDataSource::setOverrideEncoding( 96 /* [in] */ BSTR /*encoding*/) 97 { 98 ASSERT_NOT_REACHED(); 99 return E_NOTIMPL; 100 } 101 102 HRESULT STDMETHODCALLTYPE WebDataSource::mainDocumentError( 103 /* [retval][out] */ IWebError** error) 104 { 105 if (!error) { 106 ASSERT_NOT_REACHED(); 107 return E_POINTER; 108 } 109 110 *error = 0; 111 112 if (!m_loader) 113 return E_FAIL; 114 115 if (m_loader->mainDocumentError().isNull()) 116 return S_OK; 117 118 *error = WebError::createInstance(m_loader->mainDocumentError()); 119 return S_OK; 120 } 121 122 HRESULT STDMETHODCALLTYPE WebDataSource::setDeferMainResourceDataLoad( 123 /* [in] */ BOOL flag) 124 { 125 if (!m_loader) 126 return E_FAIL; 127 128 m_loader->setDeferMainResourceDataLoad(flag); 129 return S_OK; 130 } 131 132 // IUnknown ------------------------------------------------------------------- 133 134 HRESULT STDMETHODCALLTYPE WebDataSource::QueryInterface(REFIID riid, void** ppvObject) 135 { 136 *ppvObject = 0; 137 if (IsEqualGUID(riid, IID_WebDataSource)) 138 *ppvObject = this; 139 else if (IsEqualGUID(riid, IID_IUnknown)) 140 *ppvObject = static_cast<IWebDataSource*>(this); 141 else if (IsEqualGUID(riid, IID_IWebDataSource)) 142 *ppvObject = static_cast<IWebDataSource*>(this); 143 else if (IsEqualGUID(riid, IID_IWebDataSourcePrivate)) 144 *ppvObject = static_cast<IWebDataSourcePrivate*>(this); 145 else 146 return E_NOINTERFACE; 147 148 AddRef(); 149 return S_OK; 150 } 151 152 ULONG STDMETHODCALLTYPE WebDataSource::AddRef(void) 153 { 154 return ++m_refCount; 155 } 156 157 ULONG STDMETHODCALLTYPE WebDataSource::Release(void) 158 { 159 ULONG newRef = --m_refCount; 160 if (!newRef) 161 delete(this); 162 163 return newRef; 164 } 165 166 // IWebDataSource -------------------------------------------------------------- 167 168 HRESULT STDMETHODCALLTYPE WebDataSource::initWithRequest( 169 /* [in] */ IWebURLRequest* /*request*/) 170 { 171 ASSERT_NOT_REACHED(); 172 return E_NOTIMPL; 173 } 174 175 HRESULT STDMETHODCALLTYPE WebDataSource::data( 176 /* [retval][out] */ IStream** stream) 177 { 178 *stream = 0; 179 if (!m_loader) 180 return E_FAIL; 181 182 return MemoryStream::createInstance(m_loader->mainResourceData()).copyRefTo(stream); 183 } 184 185 HRESULT STDMETHODCALLTYPE WebDataSource::representation( 186 /* [retval][out] */ IWebDocumentRepresentation** rep) 187 { 188 HRESULT hr = S_OK; 189 if (!m_representation) { 190 WebHTMLRepresentation* htmlRep = WebHTMLRepresentation::createInstance(static_cast<WebFrame*>(m_loader->frameLoader()->client())); 191 hr = htmlRep->QueryInterface(IID_IWebDocumentRepresentation, (void**) &m_representation); 192 htmlRep->Release(); 193 } 194 195 return m_representation.copyRefTo(rep); 196 } 197 198 HRESULT STDMETHODCALLTYPE WebDataSource::webFrame( 199 /* [retval][out] */ IWebFrame** frame) 200 { 201 *frame = static_cast<WebFrame*>(m_loader->frameLoader()->client()); 202 (*frame)->AddRef(); 203 return S_OK; 204 } 205 206 HRESULT STDMETHODCALLTYPE WebDataSource::initialRequest( 207 /* [retval][out] */ IWebURLRequest** request) 208 { 209 *request = WebMutableURLRequest::createInstance(m_loader->originalRequest()); 210 return S_OK; 211 } 212 213 HRESULT STDMETHODCALLTYPE WebDataSource::request( 214 /* [retval][out] */ IWebMutableURLRequest** request) 215 { 216 *request = WebMutableURLRequest::createInstance(m_loader->request()); 217 return S_OK; 218 } 219 220 HRESULT STDMETHODCALLTYPE WebDataSource::response( 221 /* [retval][out] */ IWebURLResponse** response) 222 { 223 *response = WebURLResponse::createInstance(m_loader->response()); 224 return S_OK; 225 } 226 227 HRESULT STDMETHODCALLTYPE WebDataSource::textEncodingName( 228 /* [retval][out] */ BSTR* name) 229 { 230 String encoding = m_loader->overrideEncoding(); 231 if (encoding.isNull()) 232 encoding = m_loader->response().textEncodingName(); 233 234 *name = BString(encoding).release(); 235 236 return S_OK; 237 } 238 239 HRESULT STDMETHODCALLTYPE WebDataSource::isLoading( 240 /* [retval][out] */ BOOL* loading) 241 { 242 *loading = m_loader->isLoadingInAPISense(); 243 return S_OK; 244 } 245 246 HRESULT STDMETHODCALLTYPE WebDataSource::pageTitle( 247 /* [retval][out] */ BSTR* title) 248 { 249 *title = BString(m_loader->title().string()).release(); 250 return S_OK; 251 } 252 253 HRESULT STDMETHODCALLTYPE WebDataSource::unreachableURL( 254 /* [retval][out] */ BSTR* url) 255 { 256 KURL unreachableURL = m_loader->unreachableURL(); 257 BString urlString((LPOLESTR)unreachableURL.string().characters(), unreachableURL.string().length()); 258 259 *url = urlString.release(); 260 return S_OK; 261 } 262 263 HRESULT STDMETHODCALLTYPE WebDataSource::webArchive( 264 /* [retval][out] */ IWebArchive** /*archive*/) 265 { 266 ASSERT_NOT_REACHED(); 267 return E_NOTIMPL; 268 } 269 270 HRESULT STDMETHODCALLTYPE WebDataSource::mainResource( 271 /* [retval][out] */ IWebResource** /*resource*/) 272 { 273 ASSERT_NOT_REACHED(); 274 return E_NOTIMPL; 275 } 276 277 HRESULT STDMETHODCALLTYPE WebDataSource::subresources( 278 /* [retval][out] */ IEnumVARIANT** /*result*/) 279 { 280 ASSERT_NOT_REACHED(); 281 return E_NOTIMPL; 282 } 283 284 HRESULT STDMETHODCALLTYPE WebDataSource::subresourceForURL( 285 /* [in] */ BSTR url, 286 /* [retval][out] */ IWebResource** resource) 287 { 288 if (!resource) { 289 ASSERT_NOT_REACHED(); 290 return E_POINTER; 291 } 292 293 *resource = 0; 294 295 Document *doc = m_loader->frameLoader()->frame()->document(); 296 297 if (!doc) 298 return E_FAIL; 299 300 CachedResource *cachedResource = doc->cachedResourceLoader()->cachedResource(String(url)); 301 302 if (!cachedResource) 303 return E_FAIL; 304 305 *resource = WebResource::createInstance(cachedResource->data(), cachedResource->response()); 306 return S_OK; 307 } 308 309 HRESULT STDMETHODCALLTYPE WebDataSource::addSubresource( 310 /* [in] */ IWebResource* /*subresource*/) 311 { 312 ASSERT_NOT_REACHED(); 313 return E_NOTIMPL; 314 } 315
