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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 CHROME_BROWSER_SYNC_OPEN_TABS_UI_DELEGATE_H_
#define CHROME_BROWSER_SYNC_OPEN_TABS_UI_DELEGATE_H_
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "base/memory/ref_counted_memory.h"
#include "chrome/browser/sessions/session_types.h"
#include "chrome/browser/sync/glue/synced_session.h"
#include "components/sessions/session_id.h"
namespace browser_sync {
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. 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,
const SessionID::id_type tab_id,
const 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 SyncedSession objects.
// Returns true if the foreign session was found, false otherwise.
virtual bool GetForeignSession(
const std::string& tag,
std::vector<const SessionWindow*>* windows) = 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 browser_sync
#endif // CHROME_BROWSER_SYNC_OPEN_TABS_UI_DELEGATE_H_
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