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// Copyright 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_WINDOW_DELEGATE_H_
#define COMPONENTS_SYNC_SESSIONS_SYNCED_WINDOW_DELEGATE_H_
#include <set>
#include "components/sessions/core/session_id.h"
namespace sync_sessions {
class SyncedTabDelegate;
// A SyncedWindowDelegate is used to insulate the sync code from depending
// directly on Browser and BrowserList.
class SyncedWindowDelegate {
public:
// Methods originating from Browser.
// Returns true iff this browser has a visible window representation
// associated with it. Sometimes, if a window is being created/removed the
// model object may exist without its UI counterpart.
virtual bool HasWindow() const = 0;
// see Browser::session_id
virtual SessionID::id_type GetSessionId() const = 0;
// see Browser::tab_count
virtual int GetTabCount() const = 0;
// see Browser::active_index
virtual int GetActiveIndex() const = 0;
// see Browser::is_app
virtual bool IsApp() const = 0;
// see Browser::is_type_tabbed
virtual bool IsTypeTabbed() const = 0;
// see Browser::is_type_popup
virtual bool IsTypePopup() const = 0;
// Methods derivated from Browser
// Returns true iff the provided tab is currently "pinned" in the tab strip.
virtual bool IsTabPinned(const SyncedTabDelegate* tab) const = 0;
// see TabStripModel::GetWebContentsAt
virtual SyncedTabDelegate* GetTabAt(int index) const = 0;
// Return the tab id for the tab at |index|.
virtual SessionID::id_type GetTabIdAt(int index) const = 0;
// Return true if we are currently restoring sessions asynchronously.
virtual bool IsSessionRestoreInProgress() const = 0;
// Helper methods.
// Return true if this window should be considered for syncing.
virtual bool ShouldSync() const = 0;
protected:
virtual ~SyncedWindowDelegate() {}
};
} // namespace sync_sessions
#endif // COMPONENTS_SYNC_SESSIONS_SYNCED_WINDOW_DELEGATE_H_
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