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
WebDataSource(WebDocumentLoader * loader)56 WebDataSource::WebDataSource(WebDocumentLoader* loader)
57 : m_refCount(0)
58 , m_loader(loader)
59 {
60 WebDataSourceCount++;
61 gClassCount++;
62 gClassNameCount.add("WebDataSource");
63 }
64
~WebDataSource()65 WebDataSource::~WebDataSource()
66 {
67 if (m_loader)
68 m_loader->detachDataSource();
69 WebDataSourceCount--;
70 gClassCount--;
71 gClassNameCount.remove("WebDataSource");
72 }
73
createInstance(WebDocumentLoader * loader)74 WebDataSource* WebDataSource::createInstance(WebDocumentLoader* loader)
75 {
76 WebDataSource* instance = new WebDataSource(loader);
77 instance->AddRef();
78 return instance;
79 }
80
documentLoader() const81 WebDocumentLoader* WebDataSource::documentLoader() const
82 {
83 return m_loader.get();
84 }
85
86 // IWebDataSourcePrivate ------------------------------------------------------
87
overrideEncoding(BSTR *)88 HRESULT STDMETHODCALLTYPE WebDataSource::overrideEncoding(
89 /* [retval][out] */ BSTR* /*encoding*/)
90 {
91 ASSERT_NOT_REACHED();
92 return E_NOTIMPL;
93 }
94
setOverrideEncoding(BSTR)95 HRESULT STDMETHODCALLTYPE WebDataSource::setOverrideEncoding(
96 /* [in] */ BSTR /*encoding*/)
97 {
98 ASSERT_NOT_REACHED();
99 return E_NOTIMPL;
100 }
101
mainDocumentError(IWebError ** error)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
setDeferMainResourceDataLoad(BOOL flag)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
QueryInterface(REFIID riid,void ** ppvObject)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
AddRef(void)152 ULONG STDMETHODCALLTYPE WebDataSource::AddRef(void)
153 {
154 return ++m_refCount;
155 }
156
Release(void)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
initWithRequest(IWebURLRequest *)168 HRESULT STDMETHODCALLTYPE WebDataSource::initWithRequest(
169 /* [in] */ IWebURLRequest* /*request*/)
170 {
171 ASSERT_NOT_REACHED();
172 return E_NOTIMPL;
173 }
174
data(IStream ** stream)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
representation(IWebDocumentRepresentation ** rep)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
webFrame(IWebFrame ** frame)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
initialRequest(IWebURLRequest ** request)206 HRESULT STDMETHODCALLTYPE WebDataSource::initialRequest(
207 /* [retval][out] */ IWebURLRequest** request)
208 {
209 *request = WebMutableURLRequest::createInstance(m_loader->originalRequest());
210 return S_OK;
211 }
212
request(IWebMutableURLRequest ** request)213 HRESULT STDMETHODCALLTYPE WebDataSource::request(
214 /* [retval][out] */ IWebMutableURLRequest** request)
215 {
216 *request = WebMutableURLRequest::createInstance(m_loader->request());
217 return S_OK;
218 }
219
response(IWebURLResponse ** response)220 HRESULT STDMETHODCALLTYPE WebDataSource::response(
221 /* [retval][out] */ IWebURLResponse** response)
222 {
223 *response = WebURLResponse::createInstance(m_loader->response());
224 return S_OK;
225 }
226
textEncodingName(BSTR * name)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
isLoading(BOOL * loading)239 HRESULT STDMETHODCALLTYPE WebDataSource::isLoading(
240 /* [retval][out] */ BOOL* loading)
241 {
242 *loading = m_loader->isLoadingInAPISense();
243 return S_OK;
244 }
245
pageTitle(BSTR * title)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
unreachableURL(BSTR * url)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
webArchive(IWebArchive **)263 HRESULT STDMETHODCALLTYPE WebDataSource::webArchive(
264 /* [retval][out] */ IWebArchive** /*archive*/)
265 {
266 ASSERT_NOT_REACHED();
267 return E_NOTIMPL;
268 }
269
mainResource(IWebResource **)270 HRESULT STDMETHODCALLTYPE WebDataSource::mainResource(
271 /* [retval][out] */ IWebResource** /*resource*/)
272 {
273 ASSERT_NOT_REACHED();
274 return E_NOTIMPL;
275 }
276
subresources(IEnumVARIANT **)277 HRESULT STDMETHODCALLTYPE WebDataSource::subresources(
278 /* [retval][out] */ IEnumVARIANT** /*result*/)
279 {
280 ASSERT_NOT_REACHED();
281 return E_NOTIMPL;
282 }
283
subresourceForURL(BSTR url,IWebResource ** resource)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
addSubresource(IWebResource *)309 HRESULT STDMETHODCALLTYPE WebDataSource::addSubresource(
310 /* [in] */ IWebResource* /*subresource*/)
311 {
312 ASSERT_NOT_REACHED();
313 return E_NOTIMPL;
314 }
315