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// Copyright 2013 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_OPEN_TABS_UI_DELEGATE_H_
#define COMPONENTS_SYNC_SESSIONS_OPEN_TABS_UI_DELEGATE_H_
#include <string>
#include <vector>
#include "base/memory/ref_counted.h"
#include "base/memory/ref_counted_memory.h"
#include "components/sessions/core/session_id.h"
#include "components/sessions/core/session_types.h"
#include "components/sync_sessions/synced_session.h"
namespace sync_sessions {
class OpenTabsUIDelegate {
public:
// If a valid favicon for the page at |url| is found, fills |favicon_png| with
// the png-encoded image and returns true. Else, returns false.
virtual bool GetSyncedFaviconForPageURL(
const std::string& pageurl,
scoped_refptr<base::RefCountedMemory>* favicon_png) const = 0;
// Builds a list of all foreign sessions, ordered from most recent to least
// recent. Caller does NOT own SyncedSession objects.
// Returns true if foreign sessions were found, false otherwise.
virtual bool GetAllForeignSessions(
std::vector<const SyncedSession*>* sessions) = 0;
// Looks up the foreign tab identified by |tab_id| and belonging to foreign
// session |tag|. Caller does NOT own the SessionTab object.
// Returns true if the foreign session and tab were found, false otherwise.
virtual bool GetForeignTab(const std::string& tag,
SessionID::id_type tab_id,
const sessions::SessionTab** tab) = 0;
// Delete a foreign session and all its sync data.
virtual void DeleteForeignSession(const std::string& tag) = 0;
// Loads all windows for foreign session with session tag |tag|. Caller does
// NOT own SessionWindow objects.
// Returns true if the foreign session was found, false otherwise.
virtual bool GetForeignSession(
const std::string& tag,
std::vector<const sessions::SessionWindow*>* windows) = 0;
// Loads all tabs for a foreign session, ignoring window grouping, and
// ordering by recency (most recent to least recent). Will automatically
// prune those tabs that are not syncable or are the NTP. Caller does NOT own
// SessionTab objects.
// Returns true if the foreign session was found, false otherwise.
virtual bool GetForeignSessionTabs(
const std::string& tag,
std::vector<const sessions::SessionTab*>* tabs) = 0;
// Sets |*local| to point to the sessions sync representation of the
// local machine.
virtual bool GetLocalSession(const SyncedSession** local) = 0;
protected:
virtual ~OpenTabsUIDelegate();
};
} // namespace sync_sessions
#endif // COMPONENTS_SYNC_SESSIONS_OPEN_TABS_UI_DELEGATE_H_
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