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| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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 #include "components/sessions/core/persistent_tab_restore_service.h" | 5 #include "components/sessions/core/persistent_tab_restore_service.h" |
| 6 | 6 |
| 7 #include <cstring> // memcpy | 7 #include <stddef.h> |
| 8 #include <stdint.h> |
| 9 #include <string.h> |
| 10 |
| 8 #include <vector> | 11 #include <vector> |
| 9 | 12 |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/bind.h" | 13 #include "base/bind.h" |
| 12 #include "base/compiler_specific.h" | 14 #include "base/compiler_specific.h" |
| 13 #include "base/files/file_path.h" | 15 #include "base/files/file_path.h" |
| 14 #include "base/logging.h" | 16 #include "base/logging.h" |
| 17 #include "base/macros.h" |
| 15 #include "base/memory/ref_counted.h" | 18 #include "base/memory/ref_counted.h" |
| 16 #include "base/memory/scoped_vector.h" | 19 #include "base/memory/scoped_vector.h" |
| 17 #include "base/stl_util.h" | 20 #include "base/stl_util.h" |
| 18 #include "base/task/cancelable_task_tracker.h" | 21 #include "base/task/cancelable_task_tracker.h" |
| 19 #include "base/time/time.h" | 22 #include "base/time/time.h" |
| 20 #include "components/sessions/core/base_session_service.h" | 23 #include "components/sessions/core/base_session_service.h" |
| 21 #include "components/sessions/core/base_session_service_commands.h" | 24 #include "components/sessions/core/base_session_service_commands.h" |
| 22 #include "components/sessions/core/base_session_service_delegate.h" | 25 #include "components/sessions/core/base_session_service_delegate.h" |
| 23 #include "components/sessions/core/session_command.h" | 26 #include "components/sessions/core/session_command.h" |
| 24 #include "components/sessions/core/session_constants.h" | 27 #include "components/sessions/core/session_constants.h" |
| 25 | 28 |
| 26 namespace sessions { | 29 namespace sessions { |
| 27 | 30 |
| 28 namespace { | 31 namespace { |
| 29 | 32 |
| 30 // Only written if the tab is pinned. | 33 // Only written if the tab is pinned. |
| 31 typedef bool PinnedStatePayload; | 34 typedef bool PinnedStatePayload; |
| 32 | 35 |
| 33 typedef int32 RestoredEntryPayload; | 36 typedef int32_t RestoredEntryPayload; |
| 34 | 37 |
| 35 typedef std::map<SessionID::id_type, TabRestoreService::Entry*> IDToEntry; | 38 typedef std::map<SessionID::id_type, TabRestoreService::Entry*> IDToEntry; |
| 36 | 39 |
| 37 // Payload used for the start of a tab close. This is the old struct that is | 40 // Payload used for the start of a tab close. This is the old struct that is |
| 38 // used for backwards compat when it comes to reading the session files. | 41 // used for backwards compat when it comes to reading the session files. |
| 39 struct SelectedNavigationInTabPayload { | 42 struct SelectedNavigationInTabPayload { |
| 40 SessionID::id_type id; | 43 SessionID::id_type id; |
| 41 int32 index; | 44 int32_t index; |
| 42 }; | 45 }; |
| 43 | 46 |
| 44 // Payload used for the start of a window close. This is the old struct that is | 47 // Payload used for the start of a window close. This is the old struct that is |
| 45 // used for backwards compat when it comes to reading the session files. This | 48 // used for backwards compat when it comes to reading the session files. This |
| 46 // struct must be POD, because we memset the contents. | 49 // struct must be POD, because we memset the contents. |
| 47 struct WindowPayload { | 50 struct WindowPayload { |
| 48 SessionID::id_type window_id; | 51 SessionID::id_type window_id; |
| 49 int32 selected_tab_index; | 52 int32_t selected_tab_index; |
| 50 int32 num_tabs; | 53 int32_t num_tabs; |
| 51 }; | 54 }; |
| 52 | 55 |
| 53 // Payload used for the start of a window close. This struct must be POD, | 56 // Payload used for the start of a window close. This struct must be POD, |
| 54 // because we memset the contents. | 57 // because we memset the contents. |
| 55 struct WindowPayload2 : WindowPayload { | 58 struct WindowPayload2 : WindowPayload { |
| 56 int64 timestamp; | 59 int64_t timestamp; |
| 57 }; | 60 }; |
| 58 | 61 |
| 59 // Payload used for the start of a tab close. | 62 // Payload used for the start of a tab close. |
| 60 struct SelectedNavigationInTabPayload2 : SelectedNavigationInTabPayload { | 63 struct SelectedNavigationInTabPayload2 : SelectedNavigationInTabPayload { |
| 61 int64 timestamp; | 64 int64_t timestamp; |
| 62 }; | 65 }; |
| 63 | 66 |
| 64 // Used to indicate what has loaded. | 67 // Used to indicate what has loaded. |
| 65 enum LoadState { | 68 enum LoadState { |
| 66 // Indicates we haven't loaded anything. | 69 // Indicates we haven't loaded anything. |
| 67 NOT_LOADED = 1 << 0, | 70 NOT_LOADED = 1 << 0, |
| 68 | 71 |
| 69 // Indicates we've asked for the last sessions and tabs but haven't gotten the | 72 // Indicates we've asked for the last sessions and tabs but haven't gotten the |
| 70 // result back yet. | 73 // result back yet. |
| 71 LOADING = 1 << 2, | 74 LOADING = 1 << 2, |
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| 159 | 162 |
| 160 // Creates a window close command. | 163 // Creates a window close command. |
| 161 static scoped_ptr<SessionCommand> CreateWindowCommand(SessionID::id_type id, | 164 static scoped_ptr<SessionCommand> CreateWindowCommand(SessionID::id_type id, |
| 162 int selected_tab_index, | 165 int selected_tab_index, |
| 163 int num_tabs, | 166 int num_tabs, |
| 164 base::Time timestamp); | 167 base::Time timestamp); |
| 165 | 168 |
| 166 // Creates a tab close command. | 169 // Creates a tab close command. |
| 167 static scoped_ptr<SessionCommand> CreateSelectedNavigationInTabCommand( | 170 static scoped_ptr<SessionCommand> CreateSelectedNavigationInTabCommand( |
| 168 SessionID::id_type tab_id, | 171 SessionID::id_type tab_id, |
| 169 int32 index, | 172 int32_t index, |
| 170 base::Time timestamp); | 173 base::Time timestamp); |
| 171 | 174 |
| 172 // Creates a restore command. | 175 // Creates a restore command. |
| 173 static scoped_ptr<SessionCommand> CreateRestoredEntryCommand( | 176 static scoped_ptr<SessionCommand> CreateRestoredEntryCommand( |
| 174 SessionID::id_type entry_id); | 177 SessionID::id_type entry_id); |
| 175 | 178 |
| 176 // Returns the index to persist as the selected index. This is the same as | 179 // Returns the index to persist as the selected index. This is the same as |
| 177 // |tab.current_navigation_index| unless the entry at | 180 // |tab.current_navigation_index| unless the entry at |
| 178 // |tab.current_navigation_index| shouldn't be persisted. Returns -1 if no | 181 // |tab.current_navigation_index| shouldn't be persisted. Returns -1 if no |
| 179 // valid navigation to persist. | 182 // valid navigation to persist. |
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| 501 scoped_ptr<SessionCommand> command( | 504 scoped_ptr<SessionCommand> command( |
| 502 new SessionCommand(kCommandWindow, sizeof(payload))); | 505 new SessionCommand(kCommandWindow, sizeof(payload))); |
| 503 memcpy(command->contents(), &payload, sizeof(payload)); | 506 memcpy(command->contents(), &payload, sizeof(payload)); |
| 504 return command; | 507 return command; |
| 505 } | 508 } |
| 506 | 509 |
| 507 // static | 510 // static |
| 508 scoped_ptr<SessionCommand> | 511 scoped_ptr<SessionCommand> |
| 509 PersistentTabRestoreService::Delegate::CreateSelectedNavigationInTabCommand( | 512 PersistentTabRestoreService::Delegate::CreateSelectedNavigationInTabCommand( |
| 510 SessionID::id_type tab_id, | 513 SessionID::id_type tab_id, |
| 511 int32 index, | 514 int32_t index, |
| 512 base::Time timestamp) { | 515 base::Time timestamp) { |
| 513 SelectedNavigationInTabPayload2 payload; | 516 SelectedNavigationInTabPayload2 payload; |
| 514 payload.id = tab_id; | 517 payload.id = tab_id; |
| 515 payload.index = index; | 518 payload.index = index; |
| 516 payload.timestamp = timestamp.ToInternalValue(); | 519 payload.timestamp = timestamp.ToInternalValue(); |
| 517 scoped_ptr<SessionCommand> command( | 520 scoped_ptr<SessionCommand> command( |
| 518 new SessionCommand(kCommandSelectedNavigationInTab, sizeof(payload))); | 521 new SessionCommand(kCommandSelectedNavigationInTab, sizeof(payload))); |
| 519 memcpy(command->contents(), &payload, sizeof(payload)); | 522 memcpy(command->contents(), &payload, sizeof(payload)); |
| 520 return command; | 523 return command; |
| 521 } | 524 } |
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| 991 | 994 |
| 992 TabRestoreService::Entries* PersistentTabRestoreService::mutable_entries() { | 995 TabRestoreService::Entries* PersistentTabRestoreService::mutable_entries() { |
| 993 return &helper_.entries_; | 996 return &helper_.entries_; |
| 994 } | 997 } |
| 995 | 998 |
| 996 void PersistentTabRestoreService::PruneEntries() { | 999 void PersistentTabRestoreService::PruneEntries() { |
| 997 helper_.PruneEntries(); | 1000 helper_.PruneEntries(); |
| 998 } | 1001 } |
| 999 | 1002 |
| 1000 } // namespace sessions | 1003 } // namespace sessions |
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