components/sessions/session_service_commands.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_SESSIONS_SESSION_SERVICE_COMMANDS_H_
   6 #define COMPONENTS_SESSIONS_SESSION_SERVICE_COMMANDS_H_
   7
   8 #include <map>
   9 #include <string>
  10
  11 #include "base/basictypes.h"
  12 #include "base/callback.h"
  13 #include "base/memory/scoped_vector.h"
  14 #include "base/memory/weak_ptr.h"
  15 #include "base/task/cancelable_task_tracker.h"
  16 #include "components/sessions/base_session_service.h"
  17 #include "components/sessions/session_types.h"
  18 #include "components/sessions/sessions_export.h"
  19 #include "ui/base/ui_base_types.h"
  20
  21 namespace sessions {
  22
  23 class SessionCommand;
  24
  25 // The following functions create sequentialized change commands which are
  26 // used to reconstruct the current/previous session state.
  27 // It is up to the caller to delete the returned SessionCommand* object.
  28 SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetSelectedTabInWindowCommand(
  29     const SessionID& window_id,
  30     int index);
  31 SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetTabWindowCommand(
  32     const SessionID& window_id,
  33     const SessionID& tab_id);
  34 SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetWindowBoundsCommand(
  35     const SessionID& window_id,
  36     const gfx::Rect& bounds,
  37     ui::WindowShowState show_state);
  38 SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetTabIndexInWindowCommand(
  39     const SessionID& tab_id,
  40     int new_index);
  41 SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateTabClosedCommand(
  42     SessionID::id_type tab_id);
  43 SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateWindowClosedCommand(
  44     SessionID::id_type tab_id);
  45 SESSIONS_EXPORT scoped_ptr<SessionCommand>
  46 CreateSetSelectedNavigationIndexCommand(
  47     const SessionID& tab_id,
  48     int index);
  49 SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetWindowTypeCommand(
  50     const SessionID& window_id,
  51     SessionWindow::WindowType type);
  52 SESSIONS_EXPORT scoped_ptr<SessionCommand> CreatePinnedStateCommand(
  53     const SessionID& tab_id,
  54     bool is_pinned);
  55 SESSIONS_EXPORT scoped_ptr<SessionCommand>
  56 CreateSessionStorageAssociatedCommand(
  57     const SessionID& tab_id,
  58     const std::string& session_storage_persistent_id);
  59 SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetActiveWindowCommand(
  60     const SessionID& window_id);
  61 SESSIONS_EXPORT scoped_ptr<SessionCommand>
  62 CreateTabNavigationPathPrunedFromBackCommand(
  63     const SessionID& tab_id,
  64     int count);
  65 SESSIONS_EXPORT scoped_ptr<SessionCommand>
  66 CreateTabNavigationPathPrunedFromFrontCommand(
  67     const SessionID& tab_id,
  68     int count);
  69 SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateUpdateTabNavigationCommand(
  70     const SessionID& tab_id,
  71     const sessions::SerializedNavigationEntry& navigation);
  72 SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetTabExtensionAppIDCommand(
  73     const SessionID& tab_id,
  74     const std::string& extension_id);
  75 SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetTabUserAgentOverrideCommand(
  76     const SessionID& tab_id,
  77     const std::string& user_agent_override);
  78 SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetWindowAppNameCommand(
  79     const SessionID& window_id,
  80     const std::string& app_name);
  81
  82 // Searches for a pending command using |base_session_service| that can be
  83 // replaced with |command|. If one is found, pending command is removed, the
  84 // command is added to the pending commands (taken ownership) and true is
  85 // returned.
  86 SESSIONS_EXPORT bool ReplacePendingCommand(
  87     BaseSessionService* base_session_service,
  88     scoped_ptr<SessionCommand>* command);
  89
  90 // Returns true if provided |command| either closes a window or a tab.
  91 SESSIONS_EXPORT bool IsClosingCommand(SessionCommand* command);
  92
  93 // Converts a list of commands into SessionWindows. On return any valid
  94 // windows are added to valid_windows. It is up to the caller to delete
  95 // the windows added to valid_windows. |active_window_id| will be set with the
  96 // id of the last active window, but it's only valid when this id corresponds
  97 // to the id of one of the windows in valid_windows.
  98 SESSIONS_EXPORT void RestoreSessionFromCommands(
  99     const ScopedVector<SessionCommand>& commands,
 100     std::vector<SessionWindow*>* valid_windows,
 101     SessionID::id_type* active_window_id);
 102
 103 }  // namespace sessions
 104
 105 #endif  // COMPONENTS_SESSIONS_SESSION_SERVICE_COMMANDS_H_