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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 CHROME_COMMON_PAGE_TRANSITION_TYPES_H__ | 5 #ifndef CHROME_COMMON_PAGE_TRANSITION_TYPES_H__ |
6 #define CHROME_COMMON_PAGE_TRANSITION_TYPES_H__ | 6 #define CHROME_COMMON_PAGE_TRANSITION_TYPES_H__ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 | 10 |
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95 | 95 |
96 // ADDING NEW CORE VALUE? Be sure to update the LAST_CORE and CORE_MASK | 96 // ADDING NEW CORE VALUE? Be sure to update the LAST_CORE and CORE_MASK |
97 // values below. Also update CoreTransitionString(). | 97 // values below. Also update CoreTransitionString(). |
98 LAST_CORE = KEYWORD_GENERATED, | 98 LAST_CORE = KEYWORD_GENERATED, |
99 CORE_MASK = 0xFF, | 99 CORE_MASK = 0xFF, |
100 | 100 |
101 // Qualifiers | 101 // Qualifiers |
102 // Any of the core values above can be augmented by one or more qualifiers. | 102 // Any of the core values above can be augmented by one or more qualifiers. |
103 // These qualifiers further define the transition. | 103 // These qualifiers further define the transition. |
104 | 104 |
105 // User used the Forward or Back button to navigate among browsing history. | |
106 FORWARD_BACK = 0x01000000, | |
107 | |
108 // The beginning of a navigation chain. | 105 // The beginning of a navigation chain. |
109 CHAIN_START = 0x10000000, | 106 CHAIN_START = 0x10000000, |
110 | 107 |
111 // The last transition in a redirect chain. | 108 // The last transition in a redirect chain. |
112 CHAIN_END = 0x20000000, | 109 CHAIN_END = 0x20000000, |
113 | 110 |
114 // Redirects caused by JavaScript or a meta refresh tag on the page. | 111 // Redirects caused by JavaScript or a meta refresh tag on the page. |
115 CLIENT_REDIRECT = 0x40000000, | 112 CLIENT_REDIRECT = 0x40000000, |
116 | 113 |
117 // Redirects sent from the server by HTTP headers. It might be nice to | 114 // Redirects sent from the server by HTTP headers. It might be nice to |
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153 return static_cast<Type>(type & ~QUALIFIER_MASK); | 150 return static_cast<Type>(type & ~QUALIFIER_MASK); |
154 } | 151 } |
155 | 152 |
156 // Return the qualifier | 153 // Return the qualifier |
157 static int32 GetQualifier(Type type) { | 154 static int32 GetQualifier(Type type) { |
158 return type & QUALIFIER_MASK; | 155 return type & QUALIFIER_MASK; |
159 } | 156 } |
160 | 157 |
161 // Return a string version of the core type values. | 158 // Return a string version of the core type values. |
162 static const char* CoreTransitionString(Type type); | 159 static const char* CoreTransitionString(Type type); |
163 | |
164 // Return a string version of the qualifier type values. | |
165 static const char* QualifierString(Type type); | |
166 }; | 160 }; |
167 | 161 |
168 #endif // CHROME_COMMON_PAGE_TRANSITION_TYPES_H__ | 162 #endif // CHROME_COMMON_PAGE_TRANSITION_TYPES_H__ |
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