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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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