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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 // This is the list of load flags and their values. For the enum values, | 5 // This is the list of load flags and their values. For the enum values, |
6 // include the file "net/base/load_flags.h". | 6 // include the file "net/base/load_flags.h". |
7 // | 7 // |
8 // Here we define the values using a macro LOAD_FLAG, so it can be | 8 // Here we define the values using a macro LOAD_FLAG, so it can be |
9 // expanded differently in some places (for example, to automatically | 9 // expanded differently in some places (for example, to automatically |
10 // map a load flag value to its symbolic name). | 10 // map a load flag value to its symbolic name). |
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25 // resource from the cache (or some equivalent local store). | 25 // resource from the cache (or some equivalent local store). |
26 LOAD_FLAG(ONLY_FROM_CACHE, 1 << 3) | 26 LOAD_FLAG(ONLY_FROM_CACHE, 1 << 3) |
27 | 27 |
28 // Indicate that if the request fails at the network level in a way that | 28 // Indicate that if the request fails at the network level in a way that |
29 // indicates the source is unreachable, the request should fail over | 29 // indicates the source is unreachable, the request should fail over |
30 // to as if LOAD_PREFERRING_CACHE had been set. | 30 // to as if LOAD_PREFERRING_CACHE had been set. |
31 LOAD_FLAG(FROM_CACHE_IF_OFFLINE, 1 << 4) | 31 LOAD_FLAG(FROM_CACHE_IF_OFFLINE, 1 << 4) |
32 | 32 |
33 // This is a navigation that will not use the cache at all. It does not | 33 // This is a navigation that will not use the cache at all. It does not |
34 // impact the HTTP request headers. | 34 // impact the HTTP request headers. |
35 LOAD_FLAG(DISABLE_CACHE, 1 << 5) | 35 LOAD_FLAG(DISABLE_CACHE, 1 << 4) |
36 | 36 |
37 // If present, causes certificate revocation checks to be skipped on secure | 37 // If present, causes certificate revocation checks to be skipped on secure |
38 // connections. | 38 // connections. |
39 LOAD_FLAG(DISABLE_CERT_REVOCATION_CHECKING, 1 << 6) | 39 LOAD_FLAG(DISABLE_CERT_REVOCATION_CHECKING, 1 << 5) |
40 | 40 |
41 // This load will not make any changes to cookies, including storing new | 41 // This load will not make any changes to cookies, including storing new |
42 // cookies or updating existing ones. | 42 // cookies or updating existing ones. |
43 LOAD_FLAG(DO_NOT_SAVE_COOKIES, 1 << 7) | 43 LOAD_FLAG(DO_NOT_SAVE_COOKIES, 1 << 6) |
44 | 44 |
45 // Do not resolve proxies. This override is used when downloading PAC files | 45 // Do not resolve proxies. This override is used when downloading PAC files |
46 // to avoid having a circular dependency. | 46 // to avoid having a circular dependency. |
47 LOAD_FLAG(BYPASS_PROXY, 1 << 8) | 47 LOAD_FLAG(BYPASS_PROXY, 1 << 7) |
48 | 48 |
49 // Requires EV certificate verification. | 49 // Requires EV certificate verification. |
50 LOAD_FLAG(VERIFY_EV_CERT, 1 << 9) | 50 LOAD_FLAG(VERIFY_EV_CERT, 1 << 8) |
51 | 51 |
52 // This load will not send any cookies. | 52 // This load will not send any cookies. |
53 LOAD_FLAG(DO_NOT_SEND_COOKIES, 1 << 10) | 53 LOAD_FLAG(DO_NOT_SEND_COOKIES, 1 << 9) |
54 | 54 |
55 // This load will not send authentication data (user name/password) | 55 // This load will not send authentication data (user name/password) |
56 // to the server (as opposed to the proxy). | 56 // to the server (as opposed to the proxy). |
57 LOAD_FLAG(DO_NOT_SEND_AUTH_DATA, 1 << 11) | 57 LOAD_FLAG(DO_NOT_SEND_AUTH_DATA, 1 << 10) |
58 | 58 |
59 // This should only be used for testing (set by HttpNetworkTransaction). | 59 // This should only be used for testing (set by HttpNetworkTransaction). |
60 LOAD_FLAG(IGNORE_ALL_CERT_ERRORS, 1 << 12) | 60 LOAD_FLAG(IGNORE_ALL_CERT_ERRORS, 1 << 11) |
61 | 61 |
62 // Indicate that this is a top level frame, so that we don't assume it is a | 62 // Indicate that this is a top level frame, so that we don't assume it is a |
63 // subresource and speculatively pre-connect or pre-resolve when a referring | 63 // subresource and speculatively pre-connect or pre-resolve when a referring |
64 // page is loaded. | 64 // page is loaded. |
65 LOAD_FLAG(MAIN_FRAME, 1 << 13) | 65 LOAD_FLAG(MAIN_FRAME, 1 << 12) |
66 | 66 |
67 // Indicate that this is a sub frame, and hence it might have subresources that | 67 // Indicate that this is a sub frame, and hence it might have subresources that |
68 // should be speculatively resolved, or even speculatively preconnected. | 68 // should be speculatively resolved, or even speculatively preconnected. |
69 LOAD_FLAG(SUB_FRAME, 1 << 14) | 69 LOAD_FLAG(SUB_FRAME, 1 << 13) |
70 | 70 |
71 // If present, intercept actual request/response headers from network stack | 71 // If present, intercept actual request/response headers from network stack |
72 // and report them to renderer. This includes cookies, so the flag is only | 72 // and report them to renderer. This includes cookies, so the flag is only |
73 // respected if renderer has CanReadRawCookies capability in the security | 73 // respected if renderer has CanReadRawCookies capability in the security |
74 // policy. | 74 // policy. |
75 LOAD_FLAG(REPORT_RAW_HEADERS, 1 << 15) | 75 LOAD_FLAG(REPORT_RAW_HEADERS, 1 << 14) |
76 | 76 |
77 // Indicates that this load was motivated by the rel=prefetch feature, | 77 // Indicates that this load was motivated by the rel=prefetch feature, |
78 // and is (in theory) not intended for the current frame. | 78 // and is (in theory) not intended for the current frame. |
79 LOAD_FLAG(PREFETCH, 1 << 16) | 79 LOAD_FLAG(PREFETCH, 1 << 15) |
80 | 80 |
81 // Indicates that this is a load that ignores limits and should complete | 81 // Indicates that this is a load that ignores limits and should complete |
82 // immediately. | 82 // immediately. |
83 LOAD_FLAG(IGNORE_LIMITS, 1 << 17) | 83 LOAD_FLAG(IGNORE_LIMITS, 1 << 16) |
84 | 84 |
85 // Indicates that the operation is somewhat likely to be due to an | 85 // Indicates that the operation is somewhat likely to be due to an |
86 // explicit user action. This can be used as a hint to treat the | 86 // explicit user action. This can be used as a hint to treat the |
87 // request with higher priority. | 87 // request with higher priority. |
88 LOAD_FLAG(MAYBE_USER_GESTURE, 1 << 18) | 88 LOAD_FLAG(MAYBE_USER_GESTURE, 1 << 17) |
89 | 89 |
90 // Indicates that the username:password portion of the URL should not | 90 // Indicates that the username:password portion of the URL should not |
91 // be honored, but that other forms of authority may be used. | 91 // be honored, but that other forms of authority may be used. |
92 LOAD_FLAG(DO_NOT_USE_EMBEDDED_IDENTITY, 1 << 19) | 92 LOAD_FLAG(DO_NOT_USE_EMBEDDED_IDENTITY, 1 << 18) |
93 | 93 |
94 // Send request directly to the origin if the effective proxy is the data | 94 // Send request directly to the origin if the effective proxy is the data |
95 // reduction proxy. | 95 // reduction proxy. |
96 // TODO(rcs): Remove this flag as soon as http://crbug.com/339237 is resolved. | 96 // TODO(rcs): Remove this flag as soon as http://crbug.com/339237 is resolved. |
97 LOAD_FLAG(BYPASS_DATA_REDUCTION_PROXY, 1 << 20) | 97 LOAD_FLAG(BYPASS_DATA_REDUCTION_PROXY, 1 << 19) |
98 | 98 |
99 // Indicates the the request is an asynchronous revalidation. | 99 // Indicates the the request is an asynchronous revalidation. |
100 LOAD_FLAG(ASYNC_REVALIDATION, 1 << 21) | 100 LOAD_FLAG(ASYNC_REVALIDATION, 1 << 20) |
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