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// Copyright (c) 2012 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_SYNC_SESSIONS_SYNCED_TAB_DELEGATE_H__
#define COMPONENTS_SYNC_SESSIONS_SYNCED_TAB_DELEGATE_H__
#include <memory>
#include <string>
#include <vector>
#include "components/sessions/core/serialized_navigation_entry.h"
#include "components/sessions/core/session_id.h"
#include "ui/base/page_transition_types.h"
#include "url/gurl.h"
namespace sync_sessions {
class SyncSessionsClient;
}
namespace sync_sessions {
enum InvalidTab { kInvalidTabID = -1 };
// A SyncedTabDelegate is used to insulate the sync code from depending
// directly on WebContents, NavigationController, and the extensions TabHelper.
class SyncedTabDelegate {
public:
virtual ~SyncedTabDelegate();
// Methods from TabContents.
virtual SessionID::id_type GetWindowId() const = 0;
virtual SessionID::id_type GetSessionId() const = 0;
virtual bool IsBeingDestroyed() const = 0;
// Get the tab id of the tab responsible for opening this tab, if applicable.
// Returns kUnknownTabID(-1) if no such tab relationship is known.
virtual SessionID::id_type GetSourceTabID() const = 0;
// Method derived from extensions TabHelper.
virtual std::string GetExtensionAppId() const = 0;
// Methods from NavigationController.
virtual bool IsInitialBlankNavigation() const = 0;
virtual int GetCurrentEntryIndex() const = 0;
virtual int GetEntryCount() const = 0;
virtual GURL GetVirtualURLAtIndex(int i) const = 0;
virtual GURL GetFaviconURLAtIndex(int i) const = 0;
virtual ui::PageTransition GetTransitionAtIndex(int i) const = 0;
virtual void GetSerializedNavigationAtIndex(
int i,
sessions::SerializedNavigationEntry* serialized_entry) const = 0;
// Supervised user related methods.
virtual bool ProfileIsSupervised() const = 0;
virtual const std::vector<
std::unique_ptr<const sessions::SerializedNavigationEntry>>*
GetBlockedNavigations() const = 0;
// Session sync related methods.
virtual int GetSyncId() const = 0;
virtual void SetSyncId(int sync_id) = 0;
virtual bool ShouldSync(SyncSessionsClient* sessions_client) = 0;
// Whether this tab is a placeholder tab. On some platforms, tabs can be
// restored without bringing all their state into memory, and are just
// restored as a placeholder. In that case, the previous synced data from that
// tab should be preserved.
virtual bool IsPlaceholderTab() const = 0;
protected:
SyncedTabDelegate();
};
} // namespace sync_sessions
#endif // COMPONENTS_SYNC_SESSIONS_SYNCED_TAB_DELEGATE_H__
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