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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SESSIONS_SESSION_SERVICE_COMMANDS_H_
#define COMPONENTS_SESSIONS_SESSION_SERVICE_COMMANDS_H_
#include <map>
#include <string>
#include "base/basictypes.h"
#include "base/callback.h"
#include "base/memory/scoped_vector.h"
#include "base/memory/weak_ptr.h"
#include "base/task/cancelable_task_tracker.h"
#include "components/sessions/base_session_service.h"
#include "components/sessions/session_types.h"
#include "components/sessions/sessions_export.h"
#include "ui/base/ui_base_types.h"
namespace sessions {
class SessionCommand;
// The following functions create sequentialized change commands which are
// used to reconstruct the current/previous session state.
// It is up to the caller to delete the returned SessionCommand* object.
SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetSelectedTabInWindowCommand(
const SessionID& window_id,
int index);
SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetTabWindowCommand(
const SessionID& window_id,
const SessionID& tab_id);
SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetWindowBoundsCommand(
const SessionID& window_id,
const gfx::Rect& bounds,
ui::WindowShowState show_state);
SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetTabIndexInWindowCommand(
const SessionID& tab_id,
int new_index);
SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateTabClosedCommand(
SessionID::id_type tab_id);
SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateWindowClosedCommand(
SessionID::id_type tab_id);
SESSIONS_EXPORT scoped_ptr<SessionCommand>
CreateSetSelectedNavigationIndexCommand(
const SessionID& tab_id,
int index);
SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetWindowTypeCommand(
const SessionID& window_id,
SessionWindow::WindowType type);
SESSIONS_EXPORT scoped_ptr<SessionCommand> CreatePinnedStateCommand(
const SessionID& tab_id,
bool is_pinned);
SESSIONS_EXPORT scoped_ptr<SessionCommand>
CreateSessionStorageAssociatedCommand(
const SessionID& tab_id,
const std::string& session_storage_persistent_id);
SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetActiveWindowCommand(
const SessionID& window_id);
SESSIONS_EXPORT scoped_ptr<SessionCommand>
CreateTabNavigationPathPrunedFromBackCommand(
const SessionID& tab_id,
int count);
SESSIONS_EXPORT scoped_ptr<SessionCommand>
CreateTabNavigationPathPrunedFromFrontCommand(
const SessionID& tab_id,
int count);
SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateUpdateTabNavigationCommand(
const SessionID& tab_id,
const sessions::SerializedNavigationEntry& navigation);
SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetTabExtensionAppIDCommand(
const SessionID& tab_id,
const std::string& extension_id);
SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetTabUserAgentOverrideCommand(
const SessionID& tab_id,
const std::string& user_agent_override);
SESSIONS_EXPORT scoped_ptr<SessionCommand> CreateSetWindowAppNameCommand(
const SessionID& window_id,
const std::string& app_name);
// Searches for a pending command using |base_session_service| that can be
// replaced with |command|. If one is found, pending command is removed, the
// command is added to the pending commands (taken ownership) and true is
// returned.
SESSIONS_EXPORT bool ReplacePendingCommand(
BaseSessionService* base_session_service,
scoped_ptr<SessionCommand>* command);
// Returns true if provided |command| either closes a window or a tab.
SESSIONS_EXPORT bool IsClosingCommand(SessionCommand* command);
// Converts a list of commands into SessionWindows. On return any valid
// windows are added to valid_windows. It is up to the caller to delete
// the windows added to valid_windows. |active_window_id| will be set with the
// id of the last active window, but it's only valid when this id corresponds
// to the id of one of the windows in valid_windows.
SESSIONS_EXPORT void RestoreSessionFromCommands(
const ScopedVector<SessionCommand>& commands,
std::vector<SessionWindow*>* valid_windows,
SessionID::id_type* active_window_id);
} // namespace sessions
#endif // COMPONENTS_SESSIONS_SESSION_SERVICE_COMMANDS_H_
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