| /* |
| * Copyright (C) 2010 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 WebApplicationCacheHost_h |
| #define WebApplicationCacheHost_h |
| |
| #include "WebCommon.h" |
| #include "WebURL.h" |
| #include "WebVector.h" |
| |
| namespace blink { |
| |
| class WebURL; |
| class WebURLRequest; |
| class WebURLResponse; |
| |
| // This interface is used by webkit to call out to the embedder. Webkit uses |
| // the WebFrameClient::createApplicationCacheHost method to create instances, |
| // and calls delete when the instance is no longer needed. |
| class WebApplicationCacheHost { |
| public: |
| // These values must match blink::ApplicationCacheHost::Status values |
| enum Status { Uncached, Idle, Checking, Downloading, UpdateReady, Obsolete }; |
| |
| // These values must match blink::ApplicationCacheHost::EventID values |
| enum EventID { |
| CheckingEvent, |
| ErrorEvent, |
| NoUpdateEvent, |
| DownloadingEvent, |
| ProgressEvent, |
| UpdateReadyEvent, |
| CachedEvent, |
| ObsoleteEvent |
| }; |
| |
| enum ErrorReason { |
| ManifestError, |
| SignatureError, |
| ResourceError, |
| ChangedError, |
| AbortError, |
| QuotaError, |
| PolicyError, |
| UnknownError |
| }; |
| |
| virtual ~WebApplicationCacheHost() {} |
| |
| // Called for every request made within the context. |
| virtual void willStartMainResourceRequest( |
| WebURLRequest& r, |
| const WebApplicationCacheHost* spawningHost) {} |
| virtual void willStartSubResourceRequest(WebURLRequest&) {} |
| |
| // One or the other selectCache methods is called after having parsed the |
| // <html> tag. The latter returns false if the current document has been |
| // identified as a "foreign" entry, in which case the frame navigation will be |
| // restarted by webkit. |
| virtual void selectCacheWithoutManifest() {} |
| virtual bool selectCacheWithManifest(const WebURL& manifestURL) { |
| return true; |
| } |
| |
| // Called as the main resource is retrieved. |
| virtual void didReceiveResponseForMainResource(const WebURLResponse&) {} |
| virtual void didReceiveDataForMainResource(const char* data, unsigned len) {} |
| virtual void didFinishLoadingMainResource(bool success) {} |
| |
| // Called on behalf of the scriptable interface. |
| virtual Status getStatus() { return Uncached; } |
| virtual bool startUpdate() { return false; } |
| virtual bool swapCache() { return false; } |
| virtual void abort() {} |
| |
| // Structures and methods to support inspecting Application Caches. |
| struct CacheInfo { |
| WebURL manifestURL; // Empty if there is no associated cache. |
| double creationTime; |
| double updateTime; |
| long long totalSize; |
| CacheInfo() : creationTime(0), updateTime(0), totalSize(0) {} |
| }; |
| struct ResourceInfo { |
| WebURL url; |
| long long size; |
| bool isMaster; |
| bool isManifest; |
| bool isExplicit; |
| bool isForeign; |
| bool isFallback; |
| ResourceInfo() |
| : size(0), |
| isMaster(false), |
| isManifest(false), |
| isExplicit(false), |
| isForeign(false), |
| isFallback(false) {} |
| }; |
| virtual void getAssociatedCacheInfo(CacheInfo*) {} |
| virtual void getResourceList(WebVector<ResourceInfo>*) {} |
| virtual void deleteAssociatedCacheGroup() {} |
| }; |
| |
| } // namespace blink |
| |
| #endif // WebApplicationCacheHost_h |
