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| 1 /* | |
| 2 * Copyright (C) 2009 Google 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 are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef WebApplicationCacheHost_h | |
| 32 #define WebApplicationCacheHost_h | |
| 33 | |
| 34 #include "WebCommon.h" | |
| 35 | |
| 36 namespace WebKit { | |
| 37 | |
| 38 class WebApplicationCacheHostClient; | |
| 39 class WebURL; | |
| 40 class WebURLRequest; | |
| 41 class WebURLResponse; | |
| 42 struct WebURLError; | |
| 43 | |
| 44 // This interface is used by webkit to call out to the embedder. Webkit uses | |
| 45 // the WebKitClient::createApplicationCacheHost method to create instances, | |
| 46 // and calls delete when the instance is no longer needed. | |
| 47 class WebApplicationCacheHost { | |
| 48 public: | |
| 49 // These values must match WebCore::ApplicationCacheHost::Status values | |
| 50 enum Status { | |
| 51 Uncached, | |
| 52 Idle, | |
| 53 Checking, | |
| 54 Downloading, | |
| 55 UpdateReady, | |
| 56 Obsolete | |
| 57 }; | |
| 58 | |
| 59 // These values must match WebCore::ApplicationCacheHost::EventID values | |
| 60 enum EventID { | |
| 61 CheckingEvent, | |
| 62 ErrorEvent, | |
| 63 NoUpdateEvent, | |
| 64 DownloadingEvent, | |
| 65 ProgressEvent, | |
| 66 UpdateReadyEvent, | |
| 67 CachedEvent, | |
| 68 ObsoleteEvent | |
| 69 }; | |
| 70 | |
| 71 virtual ~WebApplicationCacheHost() { } | |
| 72 | |
| 73 // Called for every request made within the context. | |
| 74 virtual void willStartMainResourceRequest(WebURLRequest&) = 0; | |
| 75 virtual void willStartSubResourceRequest(WebURLRequest&) = 0; | |
| 76 | |
| 77 // One or the other selectCache methods is called after having parsed the <html> tag. | |
| 78 // The latter returns false if the current document has been identified as a "foreign" | |
| 79 // entry, in which case the frame navigation will be restarted by webkit. | |
| 80 virtual void selectCacheWithoutManifest() = 0; | |
| 81 virtual bool selectCacheWithManifest(const WebURL& manifestURL) = 0; | |
| 82 | |
| 83 // Called as the main resource is retrieved. | |
| 84 virtual void didReceiveResponseForMainResource(const WebURLResponse&) = 0; | |
| 85 virtual void didReceiveDataForMainResource(const char* data, int len) = 0; | |
| 86 virtual void didFinishLoadingMainResource(bool success) = 0; | |
| 87 | |
| 88 // Called on behalf of the scriptable interface. | |
| 89 virtual Status status() = 0; | |
| 90 virtual bool startUpdate() = 0; | |
| 91 virtual bool swapCache() = 0; | |
| 92 }; | |
| 93 | |
| 94 } // namespace WebKit | |
| 95 | |
| 96 #endif // WebApplicationCacheHost_h | |
| 97 | |
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