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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 WebURLLoader_h | |
32 #define WebURLLoader_h | |
33 | |
34 #include "WebCommon.h" | |
35 | |
36 namespace WebKit { | |
37 | |
38 class WebData; | |
39 class WebURLLoaderClient; | |
40 class WebURLRequest; | |
41 class WebURLResponse; | |
42 struct WebURLError; | |
43 | |
44 class WebURLLoader { | |
45 public: | |
46 // The WebURLLoader may be deleted in a call to its client. | |
47 virtual ~WebURLLoader() {} | |
48 | |
49 // Load the request synchronously, returning results directly to the | |
50 // caller upon completion. There is no mechanism to interrupt a | |
51 // synchronous load!! | |
52 virtual void loadSynchronously(const WebURLRequest&, | |
53 WebURLResponse&, WebURLError&, WebData& data) = 0; | |
54 | |
55 // Load the request asynchronously, sending notifications to the given | |
56 // client. The client will receive no further notifications if the | |
57 // loader is disposed before it completes its work. | |
58 virtual void loadAsynchronously(const WebURLRequest&, | |
59 WebURLLoaderClient*) = 0; | |
60 | |
61 // Cancels an asynchronous load. This will appear as a load error to | |
62 // the client. | |
63 virtual void cancel() = 0; | |
64 | |
65 // Suspends/resumes an asynchronous load. | |
66 virtual void setDefersLoading(bool) = 0; | |
67 }; | |
68 | |
69 } // namespace WebKit | |
70 | |
71 #endif | |
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