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Side by Side Diff: media/blink/cache_util.h

Issue 1430063003: use MEDIA_BLINK_EXPORT in media/blink (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: no (c) Created 5 years, 1 month ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef MEDIA_BLINK_CACHE_UTIL_H_ 5 #ifndef MEDIA_BLINK_CACHE_UTIL_H_
6 #define MEDIA_BLINK_CACHE_UTIL_H_ 6 #define MEDIA_BLINK_CACHE_UTIL_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
11 #include "media/base/media_export.h" 11 #include "media/blink/media_blink_export.h"
12 12
13 namespace blink { 13 namespace blink {
14 class WebURLResponse; 14 class WebURLResponse;
15 } 15 }
16 16
17 namespace media { 17 namespace media {
18 18
19 // Reasons that a cached WebURLResponse will *not* prevent a future request to 19 // Reasons that a cached WebURLResponse will *not* prevent a future request to
20 // the server. Reported via UMA, so don't change/reuse previously-existing 20 // the server. Reported via UMA, so don't change/reuse previously-existing
21 // values. 21 // values.
22 enum UncacheableReason { 22 enum UncacheableReason {
23 kNoData = 1 << 0, // Not 200 or 206. 23 kNoData = 1 << 0, // Not 200 or 206.
24 kPre11PartialResponse = 1 << 1, // 206 but HTTP version < 1.1. 24 kPre11PartialResponse = 1 << 1, // 206 but HTTP version < 1.1.
25 kNoStrongValidatorOnPartialResponse = 1 << 2, // 206, no strong validator. 25 kNoStrongValidatorOnPartialResponse = 1 << 2, // 206, no strong validator.
26 kShortMaxAge = 1 << 3, // Max age less than 1h (arbitrary value). 26 kShortMaxAge = 1 << 3, // Max age less than 1h (arbitrary value).
27 kExpiresTooSoon = 1 << 4, // Expires in less than 1h (arbitrary value). 27 kExpiresTooSoon = 1 << 4, // Expires in less than 1h (arbitrary value).
28 kHasMustRevalidate = 1 << 5, // Response asks for revalidation. 28 kHasMustRevalidate = 1 << 5, // Response asks for revalidation.
29 kNoCache = 1 << 6, // Response included a no-cache header. 29 kNoCache = 1 << 6, // Response included a no-cache header.
30 kNoStore = 1 << 7, // Response included a no-store header. 30 kNoStore = 1 << 7, // Response included a no-store header.
31 kMaxReason // Needs to be one more than max legitimate reason. 31 kMaxReason // Needs to be one more than max legitimate reason.
32 }; 32 };
33 33
34 // Return the logical OR of the reasons "response" cannot be used for a future 34 // Return the logical OR of the reasons "response" cannot be used for a future
35 // request (using the disk cache), or 0 if it might be useful. 35 // request (using the disk cache), or 0 if it might be useful.
36 uint32 MEDIA_EXPORT GetReasonsForUncacheability( 36 uint32 MEDIA_BLINK_EXPORT
37 const blink::WebURLResponse& response); 37 GetReasonsForUncacheability(const blink::WebURLResponse& response);
38 38
39 } // namespace media 39 } // namespace media
40 40
41 #endif // MEDIA_BLINK_CACHE_UTIL_H_ 41 #endif // MEDIA_BLINK_CACHE_UTIL_H_
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