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