| /* |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_DOCUMENT_LOADER_H_ |
| #define THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_DOCUMENT_LOADER_H_ |
| |
| #include <memory> |
| |
| #include "base/time/time.h" |
| #include "third_party/blink/public/platform/web_archive_info.h" |
| #include "third_party/blink/public/platform/web_common.h" |
| #include "third_party/blink/public/platform/web_source_location.h" |
| #include "third_party/blink/public/web/web_navigation_type.h" |
| #include "third_party/blink/public/web/web_text_direction.h" |
| |
| namespace blink { |
| |
| class WebDocumentSubresourceFilter; |
| class WebServiceWorkerNetworkProvider; |
| class WebURL; |
| class WebURLRequest; |
| class WebURLResponse; |
| template <typename T> |
| class WebVector; |
| |
| // An interface to expose the blink::DocumentLoader to the content layer, |
| // including SetExtraData() and GetExtraData() to allow the content layer to |
| // store data that isn't relevant to Blink. |
| class BLINK_EXPORT WebDocumentLoader { |
| public: |
| class ExtraData { |
| public: |
| virtual ~ExtraData() = default; |
| }; |
| |
| static bool WillLoadUrlAsEmpty(const WebURL&); |
| |
| // Returns the original request that resulted in this datasource. |
| virtual const WebURLRequest& OriginalRequest() const = 0; |
| |
| // Returns the request corresponding to this datasource. It may |
| // include additional request headers added by WebKit that were not |
| // present in the original request. This request may also correspond |
| // to a location specified by a redirect that was followed. |
| virtual const WebURLRequest& GetRequest() const = 0; |
| |
| // Returns the response associated with this datasource. |
| virtual const WebURLResponse& GetResponse() const = 0; |
| |
| // When this datasource was created as a result of WebFrame::loadData, |
| // there may be an associated unreachableURL. |
| virtual bool HasUnreachableURL() const = 0; |
| virtual WebURL UnreachableURL() const = 0; |
| |
| // Allows the embedder to append redirects to the chain as a navigation |
| // is starting, in case it is being transferred from another process. |
| virtual void AppendRedirect(const WebURL&) = 0; |
| |
| // Returns all redirects that occurred (both client and server) before |
| // at last committing the current page. This will contain one entry |
| // for each intermediate URL, and one entry for the last URL (so if |
| // there are no redirects, it will contain exactly the current URL, and |
| // if there is one redirect, it will contain the source and destination |
| // URL). |
| virtual void RedirectChain(WebVector<WebURL>&) const = 0; |
| |
| // Returns whether the navigation associated with this datasource is a |
| // client redirect. |
| virtual bool IsClientRedirect() const = 0; |
| |
| // Returns whether the navigation associated with this datasource should |
| // replace the current history item. |
| virtual bool ReplacesCurrentHistoryItem() const = 0; |
| |
| // The type of navigation that triggered the creation of this datasource. |
| virtual WebNavigationType GetNavigationType() const = 0; |
| |
| // Extra data associated with this DocumentLoader. |
| // Setting extra data will cause any existing extra data to be deleted. |
| virtual ExtraData* GetExtraData() const = 0; |
| virtual void SetExtraData(std::unique_ptr<ExtraData>) = 0; |
| |
| // Allows the embedder to inject a filter that will be consulted for each |
| // subsequent subresource load, and gets the final say in deciding whether |
| // or not to allow the load. The passed-in filter object is deleted when the |
| // datasource is destroyed or when a new filter is set. |
| virtual void SetSubresourceFilter(WebDocumentSubresourceFilter*) = 0; |
| |
| // Allows the embedder to set and return the service worker provider |
| // associated with the data source. The provider may provide the service |
| // worker that controls the resource loading from this data source. |
| virtual void SetServiceWorkerNetworkProvider( |
| std::unique_ptr<WebServiceWorkerNetworkProvider>) = 0; |
| virtual WebServiceWorkerNetworkProvider* |
| GetServiceWorkerNetworkProvider() = 0; |
| |
| // Can be used to temporarily suspend feeding the parser with new data. The |
| // parser will be allowed to read new data when ResumeParser() is called the |
| // same number of time than BlockParser(). |
| virtual void BlockParser() = 0; |
| virtual void ResumeParser() = 0; |
| |
| // Returns info about whether the document is an MHTML archive. |
| virtual bool IsArchive() const = 0; |
| // Returns archive info for the archive. Should never be called if |
| // IsArchive returns false. |
| virtual WebArchiveInfo GetArchiveInfo() const = 0; |
| |
| // Whether this load was started with a user gesture. |
| virtual bool HadUserGesture() const = 0; |
| |
| // Returns true when the document is a FTP directory. |
| virtual bool IsListingFtpDirectory() const = 0; |
| |
| protected: |
| ~WebDocumentLoader() = default; |
| }; |
| |
| } // namespace blink |
| |
| #endif |