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| 1 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "config.h" | |
| 6 | |
| 7 #include "Chrome.h" | |
| 8 #include "CString.h" | |
| 9 #include "Document.h" | |
| 10 #include "DocumentLoader.h" | |
| 11 #include "HTMLAppletElement.h" | |
| 12 #include "HTMLFormElement.h" // needed by FormState.h | |
| 13 #include "HTMLNames.h" | |
| 14 #include "FormState.h" | |
| 15 #include "FrameLoader.h" | |
| 16 #include "FrameLoadRequest.h" | |
| 17 #include "HitTestResult.h" | |
| 18 #include "MIMETypeRegistry.h" | |
| 19 #include "MouseEvent.h" | |
| 20 #include "Page.h" | |
| 21 #include "PlatformString.h" | |
| 22 #include "PluginData.h" | |
| 23 #include "StringExtras.h" | |
| 24 #include "WindowFeatures.h" | |
| 25 #undef LOG | |
| 26 | |
| 27 #include "net/base/mime_util.h" | |
| 28 #include "webkit/api/public/WebForm.h" | |
| 29 #include "webkit/api/public/WebFrameClient.h" | |
| 30 #include "webkit/api/public/WebNode.h" | |
| 31 #include "webkit/api/public/WebPlugin.h" | |
| 32 #include "webkit/api/public/WebPluginParams.h" | |
| 33 #include "webkit/api/public/WebSecurityOrigin.h" | |
| 34 #include "webkit/api/public/WebURL.h" | |
| 35 #include "webkit/api/public/WebURLError.h" | |
| 36 #include "webkit/api/public/WebVector.h" | |
| 37 #include "webkit/api/public/WebViewClient.h" | |
| 38 #include "webkit/api/src/WebDataSourceImpl.h" | |
| 39 #include "webkit/api/src/WebPluginContainerImpl.h" | |
| 40 #include "webkit/api/src/WebPluginLoadObserver.h" | |
| 41 #include "webkit/api/src/WrappedResourceRequest.h" | |
| 42 #include "webkit/api/src/WrappedResourceResponse.h" | |
| 43 #include "webkit/glue/glue_util.h" | |
| 44 #include "webkit/glue/webdevtoolsagent_impl.h" | |
| 45 #include "webkit/glue/webframe_impl.h" | |
| 46 #include "webkit/glue/webframeloaderclient_impl.h" | |
| 47 #include "webkit/glue/webkit_glue.h" | |
| 48 #include "webkit/glue/webview_impl.h" | |
| 49 | |
| 50 using namespace WebCore; | |
| 51 | |
| 52 using WebKit::WebData; | |
| 53 using WebKit::WebDataSourceImpl; | |
| 54 using WebKit::WebNavigationType; | |
| 55 using WebKit::WebNavigationPolicy; | |
| 56 using WebKit::WebNode; | |
| 57 using WebKit::WebPlugin; | |
| 58 using WebKit::WebPluginContainerImpl; | |
| 59 using WebKit::WebPluginLoadObserver; | |
| 60 using WebKit::WebPluginParams; | |
| 61 using WebKit::WebString; | |
| 62 using WebKit::WebURL; | |
| 63 using WebKit::WebURLError; | |
| 64 using WebKit::WebURLRequest; | |
| 65 using WebKit::WebVector; | |
| 66 using WebKit::WrappedResourceRequest; | |
| 67 using WebKit::WrappedResourceResponse; | |
| 68 | |
| 69 // Domain for internal error codes. | |
| 70 static const char kInternalErrorDomain[] = "WebKit"; | |
| 71 | |
| 72 // An internal error code. Used to note a policy change error resulting from | |
| 73 // dispatchDecidePolicyForMIMEType not passing the PolicyUse option. | |
| 74 enum { | |
| 75 ERR_POLICY_CHANGE = -10000, | |
| 76 }; | |
| 77 | |
| 78 static void CopyStringVector( | |
| 79 const Vector<String>& input, WebVector<WebString>* output) { | |
| 80 WebVector<WebString> result(input.size()); | |
| 81 for (size_t i = 0; i < input.size(); ++i) | |
| 82 result[i] = webkit_glue::StringToWebString(input[i]); | |
| 83 output->swap(result); | |
| 84 } | |
| 85 | |
| 86 WebFrameLoaderClient::WebFrameLoaderClient(WebFrameImpl* frame) | |
| 87 : webframe_(frame), | |
| 88 has_representation_(false), | |
| 89 sent_initial_response_to_plugin_(false), | |
| 90 next_navigation_policy_(WebKit::WebNavigationPolicyIgnore) { | |
| 91 } | |
| 92 | |
| 93 WebFrameLoaderClient::~WebFrameLoaderClient() { | |
| 94 } | |
| 95 | |
| 96 void WebFrameLoaderClient::frameLoaderDestroyed() { | |
| 97 // When the WebFrame was created, it had an extra reference given to it on | |
| 98 // behalf of the Frame. Since the WebFrame owns us, this extra ref also | |
| 99 // serves to keep us alive until the FrameLoader is done with us. The | |
| 100 // FrameLoader calls this method when it's going away. Therefore, we balance | |
| 101 // out that extra reference, which may cause 'this' to be deleted. | |
| 102 webframe_->Closing(); | |
| 103 webframe_->deref(); | |
| 104 } | |
| 105 | |
| 106 void WebFrameLoaderClient::windowObjectCleared() { | |
| 107 if (webframe_->client()) | |
| 108 webframe_->client()->didClearWindowObject(webframe_); | |
| 109 | |
| 110 WebViewImpl* webview = webframe_->GetWebViewImpl(); | |
| 111 if (webview) { | |
| 112 WebDevToolsAgentImpl* tools_agent = webview->GetWebDevToolsAgentImpl(); | |
| 113 if (tools_agent) | |
| 114 tools_agent->WindowObjectCleared(webframe_); | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 void WebFrameLoaderClient::documentElementAvailable() { | |
| 119 if (webframe_->client()) | |
| 120 webframe_->client()->didCreateDocumentElement(webframe_); | |
| 121 } | |
| 122 | |
| 123 void WebFrameLoaderClient::didCreateScriptContextForFrame() { | |
| 124 if (webframe_->client()) | |
| 125 webframe_->client()->didCreateScriptContext(webframe_); | |
| 126 } | |
| 127 | |
| 128 void WebFrameLoaderClient::didDestroyScriptContextForFrame() { | |
| 129 if (webframe_->client()) | |
| 130 webframe_->client()->didDestroyScriptContext(webframe_); | |
| 131 } | |
| 132 | |
| 133 void WebFrameLoaderClient::didCreateIsolatedScriptContext() { | |
| 134 if (webframe_->client()) | |
| 135 webframe_->client()->didCreateIsolatedScriptContext(webframe_); | |
| 136 } | |
| 137 | |
| 138 void WebFrameLoaderClient::didPerformFirstNavigation() const { | |
| 139 } | |
| 140 | |
| 141 void WebFrameLoaderClient::registerForIconNotification(bool listen){ | |
| 142 } | |
| 143 | |
| 144 bool WebFrameLoaderClient::hasWebView() const { | |
| 145 return webframe_->GetWebViewImpl() != NULL; | |
| 146 } | |
| 147 | |
| 148 bool WebFrameLoaderClient::hasFrameView() const { | |
| 149 // The Mac port has this notion of a WebFrameView, which seems to be | |
| 150 // some wrapper around an NSView. Since our equivalent is HWND, I guess | |
| 151 // we have a "frameview" whenever we have the toplevel HWND. | |
| 152 return webframe_->GetWebViewImpl() != NULL; | |
| 153 } | |
| 154 | |
| 155 void WebFrameLoaderClient::makeDocumentView() { | |
| 156 webframe_->CreateFrameView(); | |
| 157 } | |
| 158 | |
| 159 void WebFrameLoaderClient::makeRepresentation(DocumentLoader*) { | |
| 160 has_representation_ = true; | |
| 161 } | |
| 162 | |
| 163 void WebFrameLoaderClient::forceLayout() { | |
| 164 // FIXME | |
| 165 } | |
| 166 void WebFrameLoaderClient::forceLayoutForNonHTML() { | |
| 167 // FIXME | |
| 168 } | |
| 169 | |
| 170 void WebFrameLoaderClient::setCopiesOnScroll() { | |
| 171 // FIXME | |
| 172 } | |
| 173 | |
| 174 void WebFrameLoaderClient::detachedFromParent2() { | |
| 175 // Nothing to do here. | |
| 176 } | |
| 177 | |
| 178 void WebFrameLoaderClient::detachedFromParent3() { | |
| 179 // Close down the proxy. The purpose of this change is to make the | |
| 180 // call to ScriptController::clearWindowShell a no-op when called from | |
| 181 // Frame::pageDestroyed. Without this change, this call to clearWindowShell | |
| 182 // will cause a crash. If you remove/modify this, just ensure that you can | |
| 183 // go to a page and then navigate to a new page without getting any asserts | |
| 184 // or crashes. | |
| 185 webframe_->frame()->script()->proxy()->clearForClose(); | |
| 186 } | |
| 187 | |
| 188 // This function is responsible for associating the |identifier| with a given | |
| 189 // subresource load. The following functions that accept an |identifier| are | |
| 190 // called for each subresource, so they should not be dispatched to the | |
| 191 // WebFrame. | |
| 192 void WebFrameLoaderClient::assignIdentifierToInitialRequest( | |
| 193 unsigned long identifier, DocumentLoader* loader, | |
| 194 const ResourceRequest& request) { | |
| 195 if (webframe_->client()) { | |
| 196 WrappedResourceRequest webreq(request); | |
| 197 webframe_->client()->assignIdentifierToRequest( | |
| 198 webframe_, identifier, webreq); | |
| 199 } | |
| 200 } | |
| 201 | |
| 202 // Determines whether the request being loaded by |loader| is a frame or a | |
| 203 // subresource. A subresource in this context is anything other than a frame -- | |
| 204 // this includes images and xmlhttp requests. It is important to note that a | |
| 205 // subresource is NOT limited to stuff loaded through the frame's subresource | |
| 206 // loader. Synchronous xmlhttp requests for example, do not go through the | |
| 207 // subresource loader, but we still label them as TargetIsSubResource. | |
| 208 // | |
| 209 // The important edge cases to consider when modifying this function are | |
| 210 // how synchronous resource loads are treated during load/unload threshold. | |
| 211 static ResourceRequest::TargetType DetermineTargetTypeFromLoader( | |
| 212 DocumentLoader* loader) { | |
| 213 if (loader == loader->frameLoader()->provisionalDocumentLoader()) { | |
| 214 if (loader->frameLoader()->isLoadingMainFrame()) { | |
| 215 return ResourceRequest::TargetIsMainFrame; | |
| 216 } else { | |
| 217 return ResourceRequest::TargetIsSubFrame; | |
| 218 } | |
| 219 } | |
| 220 return ResourceRequest::TargetIsSubResource; | |
| 221 } | |
| 222 | |
| 223 void WebFrameLoaderClient::dispatchWillSendRequest( | |
| 224 DocumentLoader* loader, unsigned long identifier, ResourceRequest& request, | |
| 225 const ResourceResponse& redirect_response) { | |
| 226 | |
| 227 if (loader) { | |
| 228 // We want to distinguish between a request for a document to be loaded into | |
| 229 // the main frame, a sub-frame, or the sub-objects in that document. | |
| 230 request.setTargetType(DetermineTargetTypeFromLoader(loader)); | |
| 231 } | |
| 232 | |
| 233 // FrameLoader::loadEmptyDocumentSynchronously() creates an empty document | |
| 234 // with no URL. We don't like that, so we'll rename it to about:blank. | |
| 235 if (request.url().isEmpty()) | |
| 236 request.setURL(KURL(ParsedURLString, "about:blank")); | |
| 237 if (request.firstPartyForCookies().isEmpty()) | |
| 238 request.setFirstPartyForCookies(KURL(ParsedURLString, "about:blank")); | |
| 239 | |
| 240 // Give the WebFrameClient a crack at the request. | |
| 241 if (webframe_->client()) { | |
| 242 WrappedResourceRequest webreq(request); | |
| 243 WrappedResourceResponse webresp(redirect_response); | |
| 244 webframe_->client()->willSendRequest( | |
| 245 webframe_, identifier, webreq, webresp); | |
| 246 } | |
| 247 } | |
| 248 | |
| 249 bool WebFrameLoaderClient::shouldUseCredentialStorage(DocumentLoader*, | |
| 250 unsigned long identifier) { | |
| 251 // FIXME | |
| 252 // Intended to pass through to a method on the resource load delegate. | |
| 253 // If implemented, that method controls whether the browser should ask the | |
| 254 // networking layer for a stored default credential for the page (say from | |
| 255 // the Mac OS keychain). If the method returns false, the user should be | |
| 256 // presented with an authentication challenge whether or not the networking | |
| 257 // layer has a credential stored. | |
| 258 // This returns true for backward compatibility: the ability to override the | |
| 259 // system credential store is new. (Actually, not yet fully implemented in | |
| 260 // WebKit, as of this writing.) | |
| 261 return true; | |
| 262 } | |
| 263 | |
| 264 void WebFrameLoaderClient::dispatchDidReceiveAuthenticationChallenge( | |
| 265 DocumentLoader*, unsigned long identifier, const AuthenticationChallenge&) { | |
| 266 // FIXME | |
| 267 } | |
| 268 | |
| 269 void WebFrameLoaderClient::dispatchDidCancelAuthenticationChallenge( | |
| 270 DocumentLoader*, unsigned long identifier, const AuthenticationChallenge&) { | |
| 271 // FIXME | |
| 272 } | |
| 273 | |
| 274 void WebFrameLoaderClient::dispatchDidReceiveResponse(DocumentLoader* loader, | |
| 275 unsigned long identifier, | |
| 276 const ResourceResponse& re
sponse) { | |
| 277 if (webframe_->client()) { | |
| 278 WrappedResourceResponse webresp(response); | |
| 279 webframe_->client()->didReceiveResponse(webframe_, identifier, webresp); | |
| 280 } | |
| 281 } | |
| 282 | |
| 283 void WebFrameLoaderClient::dispatchDidReceiveContentLength( | |
| 284 DocumentLoader* loader, | |
| 285 unsigned long identifier, | |
| 286 int length_received) { | |
| 287 } | |
| 288 | |
| 289 // Called when a particular resource load completes | |
| 290 void WebFrameLoaderClient::dispatchDidFinishLoading(DocumentLoader* loader, | |
| 291 unsigned long identifier) { | |
| 292 if (webframe_->client()) | |
| 293 webframe_->client()->didFinishResourceLoad(webframe_, identifier); | |
| 294 } | |
| 295 | |
| 296 void WebFrameLoaderClient::dispatchDidFailLoading(DocumentLoader* loader, | |
| 297 unsigned long identifier, | |
| 298 const ResourceError& error) { | |
| 299 if (webframe_->client()) { | |
| 300 webframe_->client()->didFailResourceLoad( | |
| 301 webframe_, identifier, webkit_glue::ResourceErrorToWebURLError(error)); | |
| 302 } | |
| 303 } | |
| 304 | |
| 305 void WebFrameLoaderClient::dispatchDidFinishDocumentLoad() { | |
| 306 // A frame may be reused. This call ensures we don't hold on to our password | |
| 307 // listeners and their associated HTMLInputElements. | |
| 308 webframe_->ClearPasswordListeners(); | |
| 309 | |
| 310 if (webframe_->client()) | |
| 311 webframe_->client()->didFinishDocumentLoad(webframe_); | |
| 312 } | |
| 313 | |
| 314 bool WebFrameLoaderClient::dispatchDidLoadResourceFromMemoryCache( | |
| 315 DocumentLoader* loader, | |
| 316 const ResourceRequest& request, | |
| 317 const ResourceResponse& response, | |
| 318 int length) { | |
| 319 if (webframe_->client()) { | |
| 320 WrappedResourceRequest webreq(request); | |
| 321 WrappedResourceResponse webresp(response); | |
| 322 webframe_->client()->didLoadResourceFromMemoryCache( | |
| 323 webframe_, webreq, webresp); | |
| 324 } | |
| 325 return false; // Do not suppress remaining notifications | |
| 326 } | |
| 327 | |
| 328 void WebFrameLoaderClient::dispatchDidLoadResourceByXMLHttpRequest( | |
| 329 unsigned long identifier, | |
| 330 const ScriptString& source) { | |
| 331 } | |
| 332 | |
| 333 void WebFrameLoaderClient::dispatchDidHandleOnloadEvents() { | |
| 334 if (webframe_->client()) | |
| 335 webframe_->client()->didHandleOnloadEvents(webframe_); | |
| 336 } | |
| 337 | |
| 338 // Redirect Tracking | |
| 339 // ================= | |
| 340 // We want to keep track of the chain of redirects that occur during page | |
| 341 // loading. There are two types of redirects, server redirects which are HTTP | |
| 342 // response codes, and client redirects which are document.location= and meta | |
| 343 // refreshes. | |
| 344 // | |
| 345 // This outlines the callbacks that we get in different redirect situations, | |
| 346 // and how each call modifies the redirect chain. | |
| 347 // | |
| 348 // Normal page load | |
| 349 // ---------------- | |
| 350 // dispatchDidStartProvisionalLoad() -> adds URL to the redirect list | |
| 351 // dispatchDidCommitLoad() -> DISPATCHES & clears list | |
| 352 // | |
| 353 // Server redirect (success) | |
| 354 // ------------------------- | |
| 355 // dispatchDidStartProvisionalLoad() -> adds source URL | |
| 356 // dispatchDidReceiveServerRedirectForProvisionalLoad() -> adds dest URL | |
| 357 // dispatchDidCommitLoad() -> DISPATCHES | |
| 358 // | |
| 359 // Client redirect (success) | |
| 360 // ------------------------- | |
| 361 // (on page) | |
| 362 // dispatchWillPerformClientRedirect() -> saves expected redirect | |
| 363 // dispatchDidStartProvisionalLoad() -> appends redirect source (since | |
| 364 // it matches the expected redirect) | |
| 365 // and the current page as the dest) | |
| 366 // dispatchDidCancelClientRedirect() -> clears expected redirect | |
| 367 // dispatchDidCommitLoad() -> DISPATCHES | |
| 368 // | |
| 369 // Client redirect (cancelled) | |
| 370 // (e.g meta-refresh trumped by manual doc.location change, or just cancelled | |
| 371 // because a link was clicked that requires the meta refresh to be rescheduled | |
| 372 // (the SOURCE URL may have changed). | |
| 373 // --------------------------- | |
| 374 // dispatchDidCancelClientRedirect() -> clears expected redire
ct | |
| 375 // dispatchDidStartProvisionalLoad() -> adds only URL to redir
ect list | |
| 376 // dispatchDidCommitLoad() -> DISPATCHES & clears li
st | |
| 377 // rescheduled ? dispatchWillPerformClientRedirect() -> saves expected redirec
t | |
| 378 // : nothing | |
| 379 | |
| 380 // Client redirect (failure) | |
| 381 // ------------------------- | |
| 382 // (on page) | |
| 383 // dispatchWillPerformClientRedirect() -> saves expected redirect | |
| 384 // dispatchDidStartProvisionalLoad() -> appends redirect source (since | |
| 385 // it matches the expected redirect) | |
| 386 // and the current page as the dest) | |
| 387 // dispatchDidCancelClientRedirect() | |
| 388 // dispatchDidFailProvisionalLoad() | |
| 389 // | |
| 390 // Load 1 -> Server redirect to 2 -> client redirect to 3 -> server redirect to
4 | |
| 391 // -----------------------------------------------------------------------------
- | |
| 392 // dispatchDidStartProvisionalLoad() -> adds source URL 1 | |
| 393 // dispatchDidReceiveServerRedirectForProvisionalLoad() -> adds dest URL 2 | |
| 394 // dispatchDidCommitLoad() -> DISPATCHES 1+2 | |
| 395 // -- begin client redirect and NEW DATA SOURCE | |
| 396 // dispatchWillPerformClientRedirect() -> saves expected redi
rect | |
| 397 // dispatchDidStartProvisionalLoad() -> appends URL 2 and U
RL 3 | |
| 398 // dispatchDidReceiveServerRedirectForProvisionalLoad() -> appends destination
URL 4 | |
| 399 // dispatchDidCancelClientRedirect() -> clears expected red
irect | |
| 400 // dispatchDidCommitLoad() -> DISPATCHES | |
| 401 // | |
| 402 // Interesting case with multiple location changes involving anchors. | |
| 403 // Load page 1 containing future client-redirect (back to 1, e.g meta refresh) >
Click | |
| 404 // on a link back to the same page (i.e an anchor href) > | |
| 405 // client-redirect finally fires (with new source, set to 1#anchor) | |
| 406 // ----------------------------------------------------------------------------- | |
| 407 // dispatchWillPerformClientRedirect(non-zero 'interval' param) -> saves expec
ted redirect | |
| 408 // -- click on anchor href | |
| 409 // dispatchDidCancelClientRedirect() -> clears expe
cted redirect | |
| 410 // dispatchDidStartProvisionalLoad() -> adds 1#anch
or source | |
| 411 // dispatchDidCommitLoad() -> DISPATCHES
1#anchor | |
| 412 // dispatchWillPerformClientRedirect() -> saves exp.
source (1#anchor) | |
| 413 // -- redirect timer fires | |
| 414 // dispatchDidStartProvisionalLoad() -> appends 1#a
nchor (src) and 1 (dest) | |
| 415 // dispatchDidCancelClientRedirect() -> clears expe
cted redirect | |
| 416 // dispatchDidCommitLoad() -> DISPATCHES
1#anchor + 1 | |
| 417 // | |
| 418 void WebFrameLoaderClient::dispatchDidReceiveServerRedirectForProvisionalLoad()
{ | |
| 419 WebDataSourceImpl* ds = webframe_->GetProvisionalDataSourceImpl(); | |
| 420 if (!ds) { | |
| 421 // Got a server redirect when there is no provisional DS! | |
| 422 ASSERT_NOT_REACHED(); | |
| 423 return; | |
| 424 } | |
| 425 | |
| 426 // The server redirect may have been blocked. | |
| 427 if (ds->request().isNull()) | |
| 428 return; | |
| 429 | |
| 430 // A provisional load should have started already, which should have put an | |
| 431 // entry in our redirect chain. | |
| 432 ASSERT(ds->hasRedirectChain()); | |
| 433 | |
| 434 // The URL of the destination is on the provisional data source. We also need | |
| 435 // to update the redirect chain to account for this addition (we do this | |
| 436 // before the callback so the callback can look at the redirect chain to see | |
| 437 // what happened). | |
| 438 ds->appendRedirect(webkit_glue::WebURLToKURL(ds->request().url())); | |
| 439 | |
| 440 if (webframe_->client()) | |
| 441 webframe_->client()->didReceiveServerRedirectForProvisionalLoad(webframe_); | |
| 442 } | |
| 443 | |
| 444 // Called on both success and failure of a client redirect. | |
| 445 void WebFrameLoaderClient::dispatchDidCancelClientRedirect() { | |
| 446 // No longer expecting a client redirect. | |
| 447 if (webframe_->client()) { | |
| 448 expected_client_redirect_src_ = KURL(); | |
| 449 expected_client_redirect_dest_ = KURL(); | |
| 450 webframe_->client()->didCancelClientRedirect(webframe_); | |
| 451 } | |
| 452 | |
| 453 // No need to clear the redirect chain, since that data source has already | |
| 454 // been deleted by the time this function is called. | |
| 455 } | |
| 456 | |
| 457 void WebFrameLoaderClient::dispatchWillPerformClientRedirect( | |
| 458 const KURL& url, | |
| 459 double interval, | |
| 460 double fire_date) { | |
| 461 // Tells dispatchDidStartProvisionalLoad that if it sees this item it is a | |
| 462 // redirect and the source item should be added as the start of the chain. | |
| 463 expected_client_redirect_src_ = webkit_glue::WebURLToKURL(webframe_->url()); | |
| 464 expected_client_redirect_dest_ = url; | |
| 465 | |
| 466 // TODO(timsteele): bug 1135512. Webkit does not properly notify us of | |
| 467 // cancelling http > file client redirects. Since the FrameLoader's policy | |
| 468 // is to never carry out such a navigation anyway, the best thing we can do | |
| 469 // for now to not get confused is ignore this notification. | |
| 470 if (expected_client_redirect_dest_.isLocalFile() && | |
| 471 expected_client_redirect_src_.protocolInHTTPFamily()) { | |
| 472 expected_client_redirect_src_ = KURL(); | |
| 473 expected_client_redirect_dest_ = KURL(); | |
| 474 return; | |
| 475 } | |
| 476 | |
| 477 if (webframe_->client()) { | |
| 478 webframe_->client()->willPerformClientRedirect( | |
| 479 webframe_, | |
| 480 webkit_glue::KURLToWebURL(expected_client_redirect_src_), | |
| 481 webkit_glue::KURLToWebURL(expected_client_redirect_dest_), | |
| 482 static_cast<unsigned int>(interval), | |
| 483 static_cast<unsigned int>(fire_date)); | |
| 484 } | |
| 485 } | |
| 486 | |
| 487 void WebFrameLoaderClient::dispatchDidChangeLocationWithinPage() { | |
| 488 // Anchor fragment navigations are not normal loads, so we need to synthesize | |
| 489 // some events for our delegate. | |
| 490 WebViewImpl* webview = webframe_->GetWebViewImpl(); | |
| 491 if (webview->client()) | |
| 492 webview->client()->didStartLoading(); | |
| 493 | |
| 494 WebDataSourceImpl* ds = webframe_->GetDataSourceImpl(); | |
| 495 ASSERT(ds); // Should not be null when navigating to a reference fragment! | |
| 496 if (ds) { | |
| 497 KURL url = webkit_glue::WebURLToKURL(ds->request().url()); | |
| 498 KURL chain_end; | |
| 499 if (ds->hasRedirectChain()) { | |
| 500 chain_end = ds->endOfRedirectChain(); | |
| 501 ds->clearRedirectChain(); | |
| 502 } | |
| 503 | |
| 504 // Figure out if this location change is because of a JS-initiated client | |
| 505 // redirect (e.g onload/setTimeout document.location.href=). | |
| 506 // TODO(timsteele): (bugs 1085325, 1046841) We don't get proper redirect | |
| 507 // performed/cancelled notifications across anchor navigations, so the | |
| 508 // other redirect-tracking code in this class (see dispatch*ClientRedirect() | |
| 509 // and dispatchDidStartProvisionalLoad) is insufficient to catch and | |
| 510 // properly flag these transitions. Once a proper fix for this bug is | |
| 511 // identified and applied the following block may no longer be required. | |
| 512 bool was_client_redirect = | |
| 513 (url == expected_client_redirect_dest_ && | |
| 514 chain_end == expected_client_redirect_src_) || | |
| 515 !webframe_->isProcessingUserGesture(); | |
| 516 | |
| 517 if (was_client_redirect) { | |
| 518 if (webframe_->client()) { | |
| 519 webframe_->client()->didCompleteClientRedirect( | |
| 520 webframe_, webkit_glue::KURLToWebURL(chain_end)); | |
| 521 } | |
| 522 ds->appendRedirect(chain_end); | |
| 523 // Make sure we clear the expected redirect since we just effectively | |
| 524 // completed it. | |
| 525 expected_client_redirect_src_ = KURL(); | |
| 526 expected_client_redirect_dest_ = KURL(); | |
| 527 } | |
| 528 | |
| 529 // Regardless of how we got here, we are navigating to a URL so we need to | |
| 530 // add it to the redirect chain. | |
| 531 ds->appendRedirect(url); | |
| 532 } | |
| 533 | |
| 534 bool is_new_navigation; | |
| 535 webview->DidCommitLoad(&is_new_navigation); | |
| 536 if (webframe_->client()) { | |
| 537 webframe_->client()->didChangeLocationWithinPage( | |
| 538 webframe_, is_new_navigation); | |
| 539 } | |
| 540 | |
| 541 if (webview->client()) | |
| 542 webview->client()->didStopLoading(); | |
| 543 } | |
| 544 | |
| 545 void WebFrameLoaderClient::dispatchWillClose() { | |
| 546 if (webframe_->client()) | |
| 547 webframe_->client()->willClose(webframe_); | |
| 548 } | |
| 549 | |
| 550 void WebFrameLoaderClient::dispatchDidReceiveIcon() { | |
| 551 // The icon database is disabled, so this should never be called. | |
| 552 ASSERT_NOT_REACHED(); | |
| 553 } | |
| 554 | |
| 555 void WebFrameLoaderClient::dispatchDidStartProvisionalLoad() { | |
| 556 // In case a redirect occurs, we need this to be set so that the redirect | |
| 557 // handling code can tell where the redirect came from. Server redirects | |
| 558 // will occur on the provisional load, so we need to keep track of the most | |
| 559 // recent provisional load URL. | |
| 560 // See dispatchDidReceiveServerRedirectForProvisionalLoad. | |
| 561 WebDataSourceImpl* ds = webframe_->GetProvisionalDataSourceImpl(); | |
| 562 if (!ds) { | |
| 563 ASSERT_NOT_REACHED(); | |
| 564 return; | |
| 565 } | |
| 566 KURL url = webkit_glue::WebURLToKURL(ds->request().url()); | |
| 567 | |
| 568 // Since the provisional load just started, we should have not gotten | |
| 569 // any redirects yet. | |
| 570 ASSERT(!ds->hasRedirectChain()); | |
| 571 | |
| 572 // If this load is what we expected from a client redirect, treat it as a | |
| 573 // redirect from that original page. The expected redirect urls will be | |
| 574 // cleared by DidCancelClientRedirect. | |
| 575 bool completing_client_redirect = false; | |
| 576 if (expected_client_redirect_src_.isValid()) { | |
| 577 // expected_client_redirect_dest_ could be something like | |
| 578 // "javascript:history.go(-1)" thus we need to exclude url starts with | |
| 579 // "javascript:". See bug: 1080873 | |
| 580 ASSERT(expected_client_redirect_dest_.protocolIs("javascript") || | |
| 581 expected_client_redirect_dest_ == url); | |
| 582 ds->appendRedirect(expected_client_redirect_src_); | |
| 583 completing_client_redirect = true; | |
| 584 } | |
| 585 ds->appendRedirect(url); | |
| 586 | |
| 587 if (webframe_->client()) { | |
| 588 // As the comment for DidCompleteClientRedirect in webview_delegate.h | |
| 589 // points out, whatever information its invocation contains should only | |
| 590 // be considered relevant until the next provisional load has started. | |
| 591 // So we first tell the delegate that the load started, and then tell it | |
| 592 // about the client redirect the load is responsible for completing. | |
| 593 webframe_->client()->didStartProvisionalLoad(webframe_); | |
| 594 if (completing_client_redirect) | |
| 595 webframe_->client()->didCompleteClientRedirect( | |
| 596 webframe_, webkit_glue::KURLToWebURL(expected_client_redirect_src_)); | |
| 597 } | |
| 598 } | |
| 599 | |
| 600 void WebFrameLoaderClient::dispatchDidReceiveTitle(const String& title) { | |
| 601 if (webframe_->client()) { | |
| 602 webframe_->client()->didReceiveTitle( | |
| 603 webframe_, webkit_glue::StringToWebString(title)); | |
| 604 } | |
| 605 } | |
| 606 | |
| 607 void WebFrameLoaderClient::dispatchDidCommitLoad() { | |
| 608 WebViewImpl* webview = webframe_->GetWebViewImpl(); | |
| 609 bool is_new_navigation; | |
| 610 webview->DidCommitLoad(&is_new_navigation); | |
| 611 | |
| 612 if (webframe_->client()) { | |
| 613 webframe_->client()->didCommitProvisionalLoad( | |
| 614 webframe_, is_new_navigation); | |
| 615 } | |
| 616 | |
| 617 WebDevToolsAgentImpl* tools_agent = webview->GetWebDevToolsAgentImpl(); | |
| 618 if (tools_agent) { | |
| 619 tools_agent->DidCommitLoadForFrame(webview, webframe_, is_new_navigation); | |
| 620 } | |
| 621 } | |
| 622 | |
| 623 void WebFrameLoaderClient::dispatchDidFailProvisionalLoad( | |
| 624 const ResourceError& error) { | |
| 625 // If a policy change occured, then we do not want to inform the plugin | |
| 626 // delegate. See bug 907789 for details. | |
| 627 // TODO(darin): This means the plugin won't receive NPP_URLNotify, which | |
| 628 // seems like it could result in a memory leak in the plugin!! | |
| 629 if (error.domain() == kInternalErrorDomain && | |
| 630 error.errorCode() == ERR_POLICY_CHANGE) { | |
| 631 webframe_->DidFail(cancelledError(error.failingURL()), true); | |
| 632 return; | |
| 633 } | |
| 634 | |
| 635 OwnPtr<WebPluginLoadObserver> plugin_load_observer = GetPluginLoadObserver(); | |
| 636 webframe_->DidFail(error, true); | |
| 637 if (plugin_load_observer) | |
| 638 plugin_load_observer->didFailLoading(error); | |
| 639 } | |
| 640 | |
| 641 void WebFrameLoaderClient::dispatchDidFailLoad(const ResourceError& error) { | |
| 642 OwnPtr<WebPluginLoadObserver> plugin_load_observer = GetPluginLoadObserver(); | |
| 643 webframe_->DidFail(error, false); | |
| 644 if (plugin_load_observer) | |
| 645 plugin_load_observer->didFailLoading(error); | |
| 646 | |
| 647 // Don't clear the redirect chain, this will happen in the middle of client | |
| 648 // redirects, and we need the context. The chain will be cleared when the | |
| 649 // provisional load succeeds or fails, not the "real" one. | |
| 650 } | |
| 651 | |
| 652 void WebFrameLoaderClient::dispatchDidFinishLoad() { | |
| 653 OwnPtr<WebPluginLoadObserver> plugin_load_observer = GetPluginLoadObserver(); | |
| 654 | |
| 655 if (webframe_->client()) | |
| 656 webframe_->client()->didFinishLoad(webframe_); | |
| 657 | |
| 658 if (plugin_load_observer) | |
| 659 plugin_load_observer->didFinishLoading(); | |
| 660 | |
| 661 // Don't clear the redirect chain, this will happen in the middle of client | |
| 662 // redirects, and we need the context. The chain will be cleared when the | |
| 663 // provisional load succeeds or fails, not the "real" one. | |
| 664 } | |
| 665 | |
| 666 void WebFrameLoaderClient::dispatchDidFirstLayout() { | |
| 667 } | |
| 668 | |
| 669 void WebFrameLoaderClient::dispatchDidFirstVisuallyNonEmptyLayout() { | |
| 670 // FIXME: called when webkit finished layout of a page that was visually | |
| 671 // non-empty. | |
| 672 // All resources have not necessarily finished loading. | |
| 673 } | |
| 674 | |
| 675 Frame* WebFrameLoaderClient::dispatchCreatePage() { | |
| 676 struct WebCore::WindowFeatures features; | |
| 677 Page* new_page = webframe_->frame()->page()->chrome()->createWindow( | |
| 678 webframe_->frame(), FrameLoadRequest(), features); | |
| 679 | |
| 680 // Make sure that we have a valid disposition. This should have been set in | |
| 681 // the preceeding call to dispatchDecidePolicyForNewWindowAction. | |
| 682 ASSERT(next_navigation_policy_ != WebKit::WebNavigationPolicyIgnore); | |
| 683 WebNavigationPolicy policy = next_navigation_policy_; | |
| 684 next_navigation_policy_ = WebKit::WebNavigationPolicyIgnore; | |
| 685 | |
| 686 // createWindow can return NULL (e.g., popup blocker denies the window). | |
| 687 if (!new_page) | |
| 688 return NULL; | |
| 689 | |
| 690 WebViewImpl::FromPage(new_page)->set_initial_navigation_policy(policy); | |
| 691 return new_page->mainFrame(); | |
| 692 } | |
| 693 | |
| 694 void WebFrameLoaderClient::dispatchShow() { | |
| 695 WebViewImpl* webview = webframe_->GetWebViewImpl(); | |
| 696 if (webview && webview->client()) | |
| 697 webview->client()->show(webview->initial_navigation_policy()); | |
| 698 } | |
| 699 | |
| 700 static bool TreatAsAttachment(const ResourceResponse& response) { | |
| 701 const String& content_disposition = | |
| 702 response.httpHeaderField("Content-Disposition"); | |
| 703 if (content_disposition.isEmpty()) | |
| 704 return false; | |
| 705 | |
| 706 // Some broken sites just send | |
| 707 // Content-Disposition: ; filename="file" | |
| 708 // screen those out here. | |
| 709 if (content_disposition.startsWith(";")) | |
| 710 return false; | |
| 711 | |
| 712 if (content_disposition.startsWith("inline", false)) | |
| 713 return false; | |
| 714 | |
| 715 // Some broken sites just send | |
| 716 // Content-Disposition: filename="file" | |
| 717 // without a disposition token... screen those out. | |
| 718 if (content_disposition.startsWith("filename", false)) | |
| 719 return false; | |
| 720 | |
| 721 // Also in use is Content-Disposition: name="file" | |
| 722 if (content_disposition.startsWith("name", false)) | |
| 723 return false; | |
| 724 | |
| 725 // We have a content-disposition of "attachment" or unknown. | |
| 726 // RFC 2183, section 2.8 says that an unknown disposition | |
| 727 // value should be treated as "attachment" | |
| 728 return true; | |
| 729 } | |
| 730 | |
| 731 void WebFrameLoaderClient::dispatchDecidePolicyForMIMEType( | |
| 732 FramePolicyFunction function, | |
| 733 const String& mime_type, | |
| 734 const ResourceRequest&) { | |
| 735 const ResourceResponse& response = | |
| 736 webframe_->frame()->loader()->activeDocumentLoader()->response(); | |
| 737 | |
| 738 PolicyAction action; | |
| 739 | |
| 740 int status_code = response.httpStatusCode(); | |
| 741 if (status_code == 204 || status_code == 205) { | |
| 742 // The server does not want us to replace the page contents. | |
| 743 action = PolicyIgnore; | |
| 744 } else if (TreatAsAttachment(response)) { | |
| 745 // The server wants us to download instead of replacing the page contents. | |
| 746 // Downloading is handled by the embedder, but we still get the initial | |
| 747 // response so that we can ignore it and clean up properly. | |
| 748 action = PolicyIgnore; | |
| 749 } else if (!canShowMIMEType(mime_type)) { | |
| 750 // Make sure that we can actually handle this type internally. | |
| 751 action = PolicyIgnore; | |
| 752 } else { | |
| 753 // OK, we will render this page. | |
| 754 action = PolicyUse; | |
| 755 } | |
| 756 | |
| 757 // NOTE: ERR_POLICY_CHANGE will be generated when action is not PolicyUse. | |
| 758 (webframe_->frame()->loader()->policyChecker()->*function)(action); | |
| 759 } | |
| 760 | |
| 761 void WebFrameLoaderClient::dispatchDecidePolicyForNewWindowAction( | |
| 762 WebCore::FramePolicyFunction function, | |
| 763 const WebCore::NavigationAction& action, | |
| 764 const WebCore::ResourceRequest& request, | |
| 765 PassRefPtr<WebCore::FormState> form_state, | |
| 766 const WebCore::String& frame_name) { | |
| 767 WebNavigationPolicy navigation_policy; | |
| 768 if (!ActionSpecifiesNavigationPolicy(action, &navigation_policy)) | |
| 769 navigation_policy = WebKit::WebNavigationPolicyNewForegroundTab; | |
| 770 | |
| 771 PolicyAction policy_action; | |
| 772 if (navigation_policy == WebKit::WebNavigationPolicyDownload) { | |
| 773 policy_action = PolicyDownload; | |
| 774 } else { | |
| 775 policy_action = PolicyUse; | |
| 776 | |
| 777 // Remember the disposition for when dispatchCreatePage is called. It is | |
| 778 // unfortunate that WebCore does not provide us with any context when | |
| 779 // creating or showing the new window that would allow us to avoid having | |
| 780 // to keep this state. | |
| 781 next_navigation_policy_ = navigation_policy; | |
| 782 } | |
| 783 (webframe_->frame()->loader()->policyChecker()->*function)(policy_action); | |
| 784 } | |
| 785 | |
| 786 void WebFrameLoaderClient::dispatchDecidePolicyForNavigationAction( | |
| 787 WebCore::FramePolicyFunction function, | |
| 788 const WebCore::NavigationAction& action, | |
| 789 const WebCore::ResourceRequest& request, | |
| 790 PassRefPtr<WebCore::FormState> form_state) { | |
| 791 PolicyAction policy_action = PolicyIgnore; | |
| 792 | |
| 793 // It is valid for this function to be invoked in code paths where the | |
| 794 // the webview is closed. | |
| 795 // The NULL check here is to fix a crash that seems strange | |
| 796 // (see - https://bugs.webkit.org/show_bug.cgi?id=23554). | |
| 797 if (webframe_->client() && !request.url().isNull()) { | |
| 798 WebNavigationPolicy navigation_policy = | |
| 799 WebKit::WebNavigationPolicyCurrentTab; | |
| 800 ActionSpecifiesNavigationPolicy(action, &navigation_policy); | |
| 801 | |
| 802 // Give the delegate a chance to change the navigation policy. | |
| 803 const WebDataSourceImpl* ds = webframe_->GetProvisionalDataSourceImpl(); | |
| 804 if (ds) { | |
| 805 KURL url = webkit_glue::WebURLToKURL(ds->request().url()); | |
| 806 if (url.protocolIs(WebKit::backForwardNavigationScheme)) { | |
| 807 HandleBackForwardNavigation(url); | |
| 808 navigation_policy = WebKit::WebNavigationPolicyIgnore; | |
| 809 } else { | |
| 810 bool is_redirect = ds->hasRedirectChain(); | |
| 811 | |
| 812 WebNavigationType webnav_type = | |
| 813 WebDataSourceImpl::toWebNavigationType(action.type()); | |
| 814 | |
| 815 RefPtr<WebCore::Node> node; | |
| 816 for (const Event* event = action.event(); event; | |
| 817 event = event->underlyingEvent()) { | |
| 818 if (event->isMouseEvent()) { | |
| 819 const MouseEvent* mouse_event = | |
| 820 static_cast<const MouseEvent*>(event); | |
| 821 node = webframe_->frame()->eventHandler()->hitTestResultAtPoint( | |
| 822 mouse_event->absoluteLocation(), false).innerNonSharedNode(); | |
| 823 break; | |
| 824 } | |
| 825 } | |
| 826 WebNode originating_node = webkit_glue::NodeToWebNode(node); | |
| 827 | |
| 828 navigation_policy = webframe_->client()->decidePolicyForNavigation( | |
| 829 webframe_, ds->request(), webnav_type, originating_node, | |
| 830 navigation_policy, is_redirect); | |
| 831 } | |
| 832 } | |
| 833 | |
| 834 if (navigation_policy == WebKit::WebNavigationPolicyCurrentTab) { | |
| 835 policy_action = PolicyUse; | |
| 836 } else if (navigation_policy == WebKit::WebNavigationPolicyDownload) { | |
| 837 policy_action = PolicyDownload; | |
| 838 } else { | |
| 839 if (navigation_policy != WebKit::WebNavigationPolicyIgnore) { | |
| 840 WrappedResourceRequest webreq(request); | |
| 841 webframe_->client()->loadURLExternally( | |
| 842 webframe_, webreq, navigation_policy); | |
| 843 } | |
| 844 policy_action = PolicyIgnore; | |
| 845 } | |
| 846 } | |
| 847 | |
| 848 (webframe_->frame()->loader()->policyChecker()->*function)(policy_action); | |
| 849 } | |
| 850 | |
| 851 void WebFrameLoaderClient::cancelPolicyCheck() { | |
| 852 // FIXME | |
| 853 } | |
| 854 | |
| 855 void WebFrameLoaderClient::dispatchUnableToImplementPolicy( | |
| 856 const ResourceError& error) { | |
| 857 WebKit::WebURLError url_error = | |
| 858 webkit_glue::ResourceErrorToWebURLError(error); | |
| 859 webframe_->client()->unableToImplementPolicyWithError(webframe_, url_error); | |
| 860 } | |
| 861 | |
| 862 void WebFrameLoaderClient::dispatchWillSubmitForm(FramePolicyFunction function, | |
| 863 PassRefPtr<FormState> form_ref) { | |
| 864 if (webframe_->client()) { | |
| 865 webframe_->client()->willSubmitForm( | |
| 866 webframe_, webkit_glue::HTMLFormElementToWebForm(form_ref->form())); | |
| 867 } | |
| 868 (webframe_->frame()->loader()->policyChecker()->*function)(PolicyUse); | |
| 869 } | |
| 870 | |
| 871 void WebFrameLoaderClient::dispatchDidLoadMainResource(DocumentLoader*) { | |
| 872 // FIXME | |
| 873 } | |
| 874 | |
| 875 void WebFrameLoaderClient::revertToProvisionalState(DocumentLoader*) { | |
| 876 has_representation_ = true; | |
| 877 } | |
| 878 | |
| 879 void WebFrameLoaderClient::setMainDocumentError(DocumentLoader*, | |
| 880 const ResourceError& error) { | |
| 881 if (plugin_widget_.get()) { | |
| 882 if (sent_initial_response_to_plugin_) { | |
| 883 plugin_widget_->didFailLoading(error); | |
| 884 sent_initial_response_to_plugin_ = false; | |
| 885 } | |
| 886 plugin_widget_ = NULL; | |
| 887 } | |
| 888 } | |
| 889 | |
| 890 void WebFrameLoaderClient::postProgressStartedNotification() { | |
| 891 WebViewImpl* webview = webframe_->GetWebViewImpl(); | |
| 892 if (webview && webview->client()) | |
| 893 webview->client()->didStartLoading(); | |
| 894 } | |
| 895 | |
| 896 void WebFrameLoaderClient::postProgressEstimateChangedNotification() { | |
| 897 // FIXME | |
| 898 } | |
| 899 | |
| 900 void WebFrameLoaderClient::postProgressFinishedNotification() { | |
| 901 // TODO(ericroman): why might the webview be null? | |
| 902 // http://b/1234461 | |
| 903 WebViewImpl* webview = webframe_->GetWebViewImpl(); | |
| 904 if (webview && webview->client()) | |
| 905 webview->client()->didStopLoading(); | |
| 906 } | |
| 907 | |
| 908 void WebFrameLoaderClient::setMainFrameDocumentReady(bool ready) { | |
| 909 // FIXME | |
| 910 } | |
| 911 | |
| 912 // Creates a new connection and begins downloading from that (contrast this | |
| 913 // with |download|). | |
| 914 void WebFrameLoaderClient::startDownload(const ResourceRequest& request) { | |
| 915 if (webframe_->client()) { | |
| 916 WrappedResourceRequest webreq(request); | |
| 917 webframe_->client()->loadURLExternally( | |
| 918 webframe_, webreq, WebKit::WebNavigationPolicyDownload); | |
| 919 } | |
| 920 } | |
| 921 | |
| 922 void WebFrameLoaderClient::willChangeTitle(DocumentLoader*) { | |
| 923 // FIXME | |
| 924 } | |
| 925 | |
| 926 void WebFrameLoaderClient::didChangeTitle(DocumentLoader*) { | |
| 927 // FIXME | |
| 928 } | |
| 929 | |
| 930 // Called whenever data is received. | |
| 931 void WebFrameLoaderClient::committedLoad(DocumentLoader* loader, const char* dat
a, int length) { | |
| 932 if (!plugin_widget_.get()) { | |
| 933 if (webframe_->client()) { | |
| 934 bool preventDefault = false; | |
| 935 webframe_->client()->didReceiveDocumentData(webframe_, data, length, preve
ntDefault); | |
| 936 if (!preventDefault) | |
| 937 webframe_->commitDocumentData(data, length); | |
| 938 } | |
| 939 } | |
| 940 | |
| 941 // If we are sending data to WebCore::MediaDocument, we should stop here | |
| 942 // and cancel the request. | |
| 943 if (webframe_->frame()->document() && | |
| 944 webframe_->frame()->document()->isMediaDocument()) { | |
| 945 loader->cancelMainResourceLoad( | |
| 946 pluginWillHandleLoadError(loader->response())); | |
| 947 } | |
| 948 | |
| 949 // The plugin widget could have been created in the webframe_->DidReceiveData | |
| 950 // function. | |
| 951 if (plugin_widget_.get()) { | |
| 952 if (!sent_initial_response_to_plugin_) { | |
| 953 sent_initial_response_to_plugin_ = true; | |
| 954 plugin_widget_->didReceiveResponse( | |
| 955 webframe_->frame()->loader()->activeDocumentLoader()->response()); | |
| 956 } | |
| 957 plugin_widget_->didReceiveData(data, length); | |
| 958 } | |
| 959 } | |
| 960 | |
| 961 void WebFrameLoaderClient::finishedLoading(DocumentLoader* dl) { | |
| 962 if (plugin_widget_.get()) { | |
| 963 plugin_widget_->didFinishLoading(); | |
| 964 plugin_widget_ = NULL; | |
| 965 sent_initial_response_to_plugin_ = false; | |
| 966 } else { | |
| 967 // This is necessary to create an empty document. See bug 634004. | |
| 968 // However, we only want to do this if makeRepresentation has been called, t
o | |
| 969 // match the behavior on the Mac. | |
| 970 if (has_representation_) | |
| 971 dl->frameLoader()->setEncoding("", false); | |
| 972 } | |
| 973 } | |
| 974 | |
| 975 void WebFrameLoaderClient::updateGlobalHistory() { | |
| 976 } | |
| 977 | |
| 978 void WebFrameLoaderClient::updateGlobalHistoryRedirectLinks() { | |
| 979 } | |
| 980 | |
| 981 bool WebFrameLoaderClient::shouldGoToHistoryItem(HistoryItem*) const { | |
| 982 // FIXME | |
| 983 return true; | |
| 984 } | |
| 985 | |
| 986 void WebFrameLoaderClient::didDisplayInsecureContent() { | |
| 987 if (webframe_->client()) | |
| 988 webframe_->client()->didDisplayInsecureContent(webframe_); | |
| 989 } | |
| 990 | |
| 991 void WebFrameLoaderClient::didRunInsecureContent(SecurityOrigin* origin) { | |
| 992 if (webframe_->client()) { | |
| 993 webframe_->client()->didRunInsecureContent(webframe_, | |
| 994 webkit_glue::SecurityOriginToWebSecurityOrigin(origin)); | |
| 995 } | |
| 996 } | |
| 997 | |
| 998 ResourceError WebFrameLoaderClient::blockedError(const WebCore::ResourceRequest&
) { | |
| 999 // FIXME | |
| 1000 return ResourceError(); | |
| 1001 } | |
| 1002 | |
| 1003 ResourceError WebFrameLoaderClient::cancelledError( | |
| 1004 const ResourceRequest& request) { | |
| 1005 if (!webframe_->client()) | |
| 1006 return ResourceError(); | |
| 1007 | |
| 1008 return webkit_glue::WebURLErrorToResourceError( | |
| 1009 webframe_->client()->cancelledError( | |
| 1010 webframe_, WrappedResourceRequest(request))); | |
| 1011 } | |
| 1012 | |
| 1013 ResourceError WebFrameLoaderClient::cannotShowURLError( | |
| 1014 const ResourceRequest& request) { | |
| 1015 if (!webframe_->client()) | |
| 1016 return ResourceError(); | |
| 1017 | |
| 1018 return webkit_glue::WebURLErrorToResourceError( | |
| 1019 webframe_->client()->cannotHandleRequestError( | |
| 1020 webframe_, WrappedResourceRequest(request))); | |
| 1021 } | |
| 1022 | |
| 1023 ResourceError WebFrameLoaderClient::interruptForPolicyChangeError( | |
| 1024 const ResourceRequest& request) { | |
| 1025 return ResourceError(kInternalErrorDomain, ERR_POLICY_CHANGE, | |
| 1026 request.url().string(), String()); | |
| 1027 } | |
| 1028 | |
| 1029 ResourceError WebFrameLoaderClient::cannotShowMIMETypeError(const ResourceRespon
se&) { | |
| 1030 // FIXME | |
| 1031 return ResourceError(); | |
| 1032 } | |
| 1033 | |
| 1034 ResourceError WebFrameLoaderClient::fileDoesNotExistError(const ResourceResponse
&) { | |
| 1035 // FIXME | |
| 1036 return ResourceError(); | |
| 1037 } | |
| 1038 | |
| 1039 ResourceError WebFrameLoaderClient::pluginWillHandleLoadError(const WebCore::Res
ourceResponse&) { | |
| 1040 // FIXME | |
| 1041 return ResourceError(); | |
| 1042 } | |
| 1043 | |
| 1044 bool WebFrameLoaderClient::shouldFallBack(const ResourceError& error) { | |
| 1045 // This method is called when we fail to load the URL for an <object> tag | |
| 1046 // that has fallback content (child elements) and is being loaded as a frame. | |
| 1047 // The error parameter indicates the reason for the load failure. | |
| 1048 // We should let the fallback content load only if this wasn't a cancelled | |
| 1049 // request. | |
| 1050 // Note: The mac version also has a case for "WebKitErrorPluginWillHandleLoad" | |
| 1051 ResourceError cancelled_error = cancelledError(ResourceRequest()); | |
| 1052 return error.errorCode() != cancelled_error.errorCode() || | |
| 1053 error.domain() != cancelled_error.domain(); | |
| 1054 } | |
| 1055 | |
| 1056 bool WebFrameLoaderClient::canHandleRequest( | |
| 1057 const ResourceRequest& request) const { | |
| 1058 return webframe_->client()->canHandleRequest( | |
| 1059 webframe_, WrappedResourceRequest(request)); | |
| 1060 } | |
| 1061 | |
| 1062 bool WebFrameLoaderClient::canShowMIMEType(const String& mime_type) const { | |
| 1063 // This method is called to determine if the media type can be shown | |
| 1064 // "internally" (i.e. inside the browser) regardless of whether or not the | |
| 1065 // browser or a plugin is doing the rendering. | |
| 1066 | |
| 1067 // mime_type strings are supposed to be ASCII, but if they are not for some | |
| 1068 // reason, then it just means that the mime type will fail all of these "is | |
| 1069 // supported" checks and go down the path of an unhandled mime type. | |
| 1070 if (net::IsSupportedMimeType( | |
| 1071 webkit_glue::CStringToStdString(mime_type.latin1()))) | |
| 1072 return true; | |
| 1073 | |
| 1074 // If Chrome is started with the --disable-plugins switch, pluginData is null. | |
| 1075 WebCore::PluginData* plugin_data = webframe_->frame()->page()->pluginData(); | |
| 1076 | |
| 1077 // See if the type is handled by an installed plugin, if so, we can show it. | |
| 1078 // TODO(beng): (http://b/1085524) This is the place to stick a preference to | |
| 1079 // disable full page plugins (optionally for certain types!) | |
| 1080 return !mime_type.isEmpty() && plugin_data && plugin_data->supportsMimeType(mi
me_type); | |
| 1081 } | |
| 1082 | |
| 1083 bool WebFrameLoaderClient::representationExistsForURLScheme(const String& URLSch
eme) const { | |
| 1084 // FIXME | |
| 1085 return false; | |
| 1086 } | |
| 1087 | |
| 1088 String WebFrameLoaderClient::generatedMIMETypeForURLScheme(const String& URLSche
me) const { | |
| 1089 // This appears to generate MIME types for protocol handlers that are handled | |
| 1090 // internally. The only place I can find in the WebKit code that uses this | |
| 1091 // function is WebView::registerViewClass, where it is used as part of the | |
| 1092 // process by which custom view classes for certain document representations | |
| 1093 // are registered. | |
| 1094 String mimetype("x-apple-web-kit/"); | |
| 1095 mimetype.append(URLScheme.lower()); | |
| 1096 return mimetype; | |
| 1097 } | |
| 1098 | |
| 1099 void WebFrameLoaderClient::frameLoadCompleted() { | |
| 1100 // FIXME: the mac port also conditionally calls setDrawsBackground:YES on | |
| 1101 // it's ScrollView here. | |
| 1102 | |
| 1103 // This comment from the Mac port: | |
| 1104 // Note: Can be called multiple times. | |
| 1105 // Even if already complete, we might have set a previous item on a frame that | |
| 1106 // didn't do any data loading on the past transaction. Make sure to clear thes
e out. | |
| 1107 | |
| 1108 // FIXME: setPreviousHistoryItem() no longer exists. http://crbug.com/8566 | |
| 1109 // webframe_->frame()->loader()->setPreviousHistoryItem(0); | |
| 1110 } | |
| 1111 | |
| 1112 void WebFrameLoaderClient::saveViewStateToItem(HistoryItem*) { | |
| 1113 // FIXME | |
| 1114 } | |
| 1115 | |
| 1116 | |
| 1117 void WebFrameLoaderClient::restoreViewState() { | |
| 1118 // FIXME: probably scrolls to last position when you go back or forward | |
| 1119 } | |
| 1120 | |
| 1121 void WebFrameLoaderClient::provisionalLoadStarted() { | |
| 1122 // FIXME: On mac, this does various caching stuff | |
| 1123 } | |
| 1124 | |
| 1125 void WebFrameLoaderClient::didFinishLoad() { | |
| 1126 OwnPtr<WebPluginLoadObserver> plugin_load_observer = GetPluginLoadObserver(); | |
| 1127 if (plugin_load_observer) | |
| 1128 plugin_load_observer->didFinishLoading(); | |
| 1129 } | |
| 1130 | |
| 1131 void WebFrameLoaderClient::prepareForDataSourceReplacement() { | |
| 1132 // FIXME | |
| 1133 } | |
| 1134 | |
| 1135 PassRefPtr<DocumentLoader> WebFrameLoaderClient::createDocumentLoader( | |
| 1136 const ResourceRequest& request, | |
| 1137 const SubstituteData& data) { | |
| 1138 RefPtr<WebDataSourceImpl> ds = WebDataSourceImpl::create(request, data); | |
| 1139 if (webframe_->client()) | |
| 1140 webframe_->client()->didCreateDataSource(webframe_, ds.get()); | |
| 1141 return ds.release(); | |
| 1142 } | |
| 1143 | |
| 1144 void WebFrameLoaderClient::setTitle(const String& title, const KURL& url) { | |
| 1145 // FIXME: monitor for changes in WebFrameLoaderClient.mm | |
| 1146 // FIXME: Set the title of the current history item. HistoryItemImpl's setter | |
| 1147 // will notify its clients (e.g. the history database) that the title | |
| 1148 // has changed. | |
| 1149 // | |
| 1150 // e.g.: | |
| 1151 // WebHistoryItem* item = | |
| 1152 // webframe_->GetWebViewImpl()->GetBackForwardList()->GetCurrentItem(); | |
| 1153 // WebHistoryItemImpl* item_impl = static_cast<WebHistoryItemImpl*>(item); | |
| 1154 // | |
| 1155 // item_impl->SetTitle(webkit_glue::StringToStdWString(title)); | |
| 1156 } | |
| 1157 | |
| 1158 String WebFrameLoaderClient::userAgent(const KURL& url) { | |
| 1159 return webkit_glue::StdStringToString( | |
| 1160 webkit_glue::GetUserAgent(webkit_glue::KURLToGURL(url))); | |
| 1161 } | |
| 1162 | |
| 1163 void WebFrameLoaderClient::savePlatformDataToCachedFrame(WebCore::CachedFrame*)
{ | |
| 1164 // The page cache should be disabled. | |
| 1165 ASSERT_NOT_REACHED(); | |
| 1166 } | |
| 1167 | |
| 1168 void WebFrameLoaderClient::transitionToCommittedFromCachedFrame(WebCore::CachedF
rame*) { | |
| 1169 ASSERT_NOT_REACHED(); | |
| 1170 } | |
| 1171 | |
| 1172 // Called when the FrameLoader goes into a state in which a new page load | |
| 1173 // will occur. | |
| 1174 void WebFrameLoaderClient::transitionToCommittedForNewPage() { | |
| 1175 makeDocumentView(); | |
| 1176 } | |
| 1177 | |
| 1178 bool WebFrameLoaderClient::canCachePage() const { | |
| 1179 // Since we manage the cache, always report this page as non-cacheable to | |
| 1180 // FrameLoader. | |
| 1181 return false; | |
| 1182 } | |
| 1183 | |
| 1184 // Downloading is handled in the browser process, not WebKit. If we get to this | |
| 1185 // point, our download detection code in the ResourceDispatcherHost is broken! | |
| 1186 void WebFrameLoaderClient::download(ResourceHandle* handle, | |
| 1187 const ResourceRequest& request, | |
| 1188 const ResourceRequest& initialRequest, | |
| 1189 const ResourceResponse& response) { | |
| 1190 ASSERT_NOT_REACHED(); | |
| 1191 } | |
| 1192 | |
| 1193 PassRefPtr<Frame> WebFrameLoaderClient::createFrame( | |
| 1194 const KURL& url, | |
| 1195 const String& name, | |
| 1196 HTMLFrameOwnerElement* owner_element, | |
| 1197 const String& referrer, | |
| 1198 bool allows_scrolling, | |
| 1199 int margin_width, | |
| 1200 int margin_height) { | |
| 1201 FrameLoadRequest frame_request(ResourceRequest(url, referrer), name); | |
| 1202 return webframe_->CreateChildFrame(frame_request, owner_element); | |
| 1203 } | |
| 1204 | |
| 1205 PassRefPtr<Widget> WebFrameLoaderClient::createPlugin( | |
| 1206 const IntSize& size, // TODO(erikkay): how do we use this? | |
| 1207 HTMLPlugInElement* element, | |
| 1208 const KURL& url, | |
| 1209 const Vector<String>& param_names, | |
| 1210 const Vector<String>& param_values, | |
| 1211 const String& mime_type, | |
| 1212 bool load_manually) { | |
| 1213 #if !PLATFORM(WIN_OS) | |
| 1214 // WebCore asks us to make a plugin even if we don't have a | |
| 1215 // registered handler, with a comment saying it's so we can display | |
| 1216 // the broken plugin icon. In Chromium, we normally register a | |
| 1217 // fallback plugin handler that allows you to install a missing | |
| 1218 // plugin. Since we don't yet have a default plugin handler, we | |
| 1219 // need to return NULL here rather than going through all the | |
| 1220 // plugin-creation IPCs only to discover we don't have a plugin | |
| 1221 // registered, which causes a crash. | |
| 1222 // TODO(evanm): remove me once we have a default plugin. | |
| 1223 if (objectContentType(url, mime_type) != ObjectContentNetscapePlugin) | |
| 1224 return NULL; | |
| 1225 #endif | |
| 1226 | |
| 1227 if (!webframe_->client()) | |
| 1228 return NULL; | |
| 1229 | |
| 1230 WebPluginParams params; | |
| 1231 params.url = webkit_glue::KURLToWebURL(url); | |
| 1232 params.mimeType = webkit_glue::StringToWebString(mime_type); | |
| 1233 CopyStringVector(param_names, ¶ms.attributeNames); | |
| 1234 CopyStringVector(param_values, ¶ms.attributeValues); | |
| 1235 params.loadManually = load_manually; | |
| 1236 | |
| 1237 WebPlugin* webplugin = webframe_->client()->createPlugin(webframe_, params); | |
| 1238 if (!webplugin) | |
| 1239 return NULL; | |
| 1240 | |
| 1241 // The container takes ownership of the WebPlugin. | |
| 1242 RefPtr<WebPluginContainerImpl> container = | |
| 1243 WebPluginContainerImpl::create(element, webplugin); | |
| 1244 | |
| 1245 if (!webplugin->initialize(container.get())) | |
| 1246 return NULL; | |
| 1247 | |
| 1248 // The element might have been removed during plugin initialization! | |
| 1249 if (!element->renderer()) | |
| 1250 return NULL; | |
| 1251 | |
| 1252 return container; | |
| 1253 } | |
| 1254 | |
| 1255 // This method gets called when a plugin is put in place of html content | |
| 1256 // (e.g., acrobat reader). | |
| 1257 void WebFrameLoaderClient::redirectDataToPlugin(Widget* pluginWidget) { | |
| 1258 plugin_widget_ = static_cast<WebPluginContainerImpl*>(pluginWidget); | |
| 1259 ASSERT(plugin_widget_.get()); | |
| 1260 } | |
| 1261 | |
| 1262 PassRefPtr<Widget> WebFrameLoaderClient::createJavaAppletWidget( | |
| 1263 const IntSize& size, | |
| 1264 HTMLAppletElement* element, | |
| 1265 const KURL& /* base_url */, | |
| 1266 const Vector<String>& param_names, | |
| 1267 const Vector<String>& param_values) { | |
| 1268 return createPlugin(size, element, KURL(), param_names, param_values, | |
| 1269 "application/x-java-applet", false); | |
| 1270 } | |
| 1271 | |
| 1272 ObjectContentType WebFrameLoaderClient::objectContentType( | |
| 1273 const KURL& url, | |
| 1274 const String& explicit_mime_type) { | |
| 1275 // This code is based on Apple's implementation from | |
| 1276 // WebCoreSupport/WebFrameBridge.mm. | |
| 1277 | |
| 1278 String mime_type = explicit_mime_type; | |
| 1279 if (mime_type.isEmpty()) { | |
| 1280 // Try to guess the MIME type based off the extension. | |
| 1281 String filename = url.lastPathComponent(); | |
| 1282 int extension_pos = filename.reverseFind('.'); | |
| 1283 if (extension_pos >= 0) | |
| 1284 mime_type = MIMETypeRegistry::getMIMETypeForPath(url.path()); | |
| 1285 | |
| 1286 if (mime_type.isEmpty()) | |
| 1287 return ObjectContentFrame; | |
| 1288 } | |
| 1289 | |
| 1290 if (MIMETypeRegistry::isSupportedImageMIMEType(mime_type)) | |
| 1291 return ObjectContentImage; | |
| 1292 | |
| 1293 // If Chrome is started with the --disable-plugins switch, pluginData is null. | |
| 1294 PluginData* plugin_data = webframe_->frame()->page()->pluginData(); | |
| 1295 if (plugin_data && plugin_data->supportsMimeType(mime_type)) | |
| 1296 return ObjectContentNetscapePlugin; | |
| 1297 | |
| 1298 if (MIMETypeRegistry::isSupportedNonImageMIMEType(mime_type)) | |
| 1299 return ObjectContentFrame; | |
| 1300 | |
| 1301 return ObjectContentNone; | |
| 1302 } | |
| 1303 | |
| 1304 String WebFrameLoaderClient::overrideMediaType() const { | |
| 1305 // FIXME | |
| 1306 return String(); | |
| 1307 } | |
| 1308 | |
| 1309 bool WebFrameLoaderClient::ActionSpecifiesNavigationPolicy( | |
| 1310 const WebCore::NavigationAction& action, | |
| 1311 WebNavigationPolicy* policy) { | |
| 1312 if ((action.type() != NavigationTypeLinkClicked) || | |
| 1313 !action.event()->isMouseEvent()) | |
| 1314 return false; | |
| 1315 | |
| 1316 const MouseEvent* event = static_cast<const MouseEvent*>(action.event()); | |
| 1317 return WebViewImpl::NavigationPolicyFromMouseEvent(event->button(), | |
| 1318 event->ctrlKey(), event->shiftKey(), event->altKey(), event->metaKey(), | |
| 1319 policy); | |
| 1320 } | |
| 1321 | |
| 1322 void WebFrameLoaderClient::HandleBackForwardNavigation(const KURL& url) { | |
| 1323 ASSERT(url.protocolIs(WebKit::backForwardNavigationScheme)); | |
| 1324 | |
| 1325 bool ok; | |
| 1326 int offset = url.lastPathComponent().toIntStrict(&ok); | |
| 1327 if (!ok) | |
| 1328 return; | |
| 1329 | |
| 1330 WebViewImpl* webview = webframe_->GetWebViewImpl(); | |
| 1331 if (webview->client()) | |
| 1332 webview->client()->navigateBackForwardSoon(offset); | |
| 1333 } | |
| 1334 | |
| 1335 PassOwnPtr<WebPluginLoadObserver> WebFrameLoaderClient::GetPluginLoadObserver()
{ | |
| 1336 WebDataSourceImpl* ds = WebDataSourceImpl::fromDocumentLoader( | |
| 1337 webframe_->frame()->loader()->activeDocumentLoader()); | |
| 1338 return ds->releasePluginLoadObserver(); | |
| 1339 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 341030:
Moves webview_impl.cc, webframe_impl.cc and webframeloaderclient_impl.cc into... (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/