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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 COMPONENTS_SESSIONS_CORE_LIVE_TAB_H_ | 5 #ifndef COMPONENTS_SESSIONS_CORE_LIVE_TAB_H_ |
6 #define COMPONENTS_SESSIONS_CORE_LIVE_TAB_H_ | 6 #define COMPONENTS_SESSIONS_CORE_LIVE_TAB_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "components/sessions/core/serialized_navigation_entry.h" | 9 #include "components/sessions/core/serialized_navigation_entry.h" |
10 #include "components/sessions/core/sessions_export.h" | 10 #include "components/sessions/core/sessions_export.h" |
11 #include "components/sessions/core/tab_restore_service.h" | 11 #include "components/sessions/core/tab_restore_service.h" |
12 | 12 |
13 namespace sessions { | 13 namespace sessions { |
14 | 14 |
15 // Interface that represents a currently-live tab to the core sessions code, and | 15 // Interface that represents a currently-live tab to the core sessions code, and |
16 // in particular, the tab restore service. This interface abstracts the concrete | 16 // in particular, the tab restore service. This interface abstracts the concrete |
17 // representation of a live tab on different platforms (e.g., WebContents on | 17 // representation of a live tab on different platforms (e.g., WebContents on |
18 // //content-based platforms). | 18 // //content-based platforms). |
19 class SESSIONS_EXPORT LiveTab { | 19 class SESSIONS_EXPORT LiveTab { |
20 public: | 20 public: |
21 virtual ~LiveTab(); | 21 virtual ~LiveTab(); |
22 | 22 |
23 // Methods that return information about the navigation state of the tab. | 23 // Methods that return information about the navigation state of the tab. |
24 virtual bool IsInitialNavigation() = 0; | 24 virtual bool IsInitialBlankNavigation() = 0; |
25 virtual int GetCurrentEntryIndex() = 0; | 25 virtual int GetCurrentEntryIndex() = 0; |
26 virtual int GetPendingEntryIndex() = 0; | 26 virtual int GetPendingEntryIndex() = 0; |
27 virtual SerializedNavigationEntry GetEntryAtIndex(int index) = 0; | 27 virtual SerializedNavigationEntry GetEntryAtIndex(int index) = 0; |
28 virtual SerializedNavigationEntry GetPendingEntry() = 0; | 28 virtual SerializedNavigationEntry GetPendingEntry() = 0; |
29 virtual int GetEntryCount() = 0; | 29 virtual int GetEntryCount() = 0; |
30 | 30 |
31 // Returns any platform-specific data that should be associated with the | 31 // Returns any platform-specific data that should be associated with the |
32 // TabRestoreService::Tab corresponding to this instance. The default | 32 // TabRestoreService::Tab corresponding to this instance. The default |
33 // implementation returns null. | 33 // implementation returns null. |
34 virtual scoped_ptr<PlatformSpecificTabData> GetPlatformSpecificTabData(); | 34 virtual scoped_ptr<PlatformSpecificTabData> GetPlatformSpecificTabData(); |
35 | 35 |
36 // Loads the current page if necessary (where "necessary" is defined on a | 36 // Loads the current page if necessary (where "necessary" is defined on a |
37 // platform-specific basis). | 37 // platform-specific basis). |
38 virtual void LoadIfNecessary() = 0; | 38 virtual void LoadIfNecessary() = 0; |
39 | 39 |
40 // Returns the user agent override, if any. | 40 // Returns the user agent override, if any. |
41 virtual const std::string& GetUserAgentOverride() const = 0; | 41 virtual const std::string& GetUserAgentOverride() const = 0; |
42 }; | 42 }; |
43 | 43 |
44 } // namespace sessions | 44 } // namespace sessions |
45 | 45 |
46 #endif // COMPONENTS_SESSIONS_CORE_LIVE_TAB_H_ | 46 #endif // COMPONENTS_SESSIONS_CORE_LIVE_TAB_H_ |
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