blob: 5c0653f1ee4cfbbc7c031136dda9d0f77c92466d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
// Copyright 2015 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 EXTENSIONS_BROWSER_EVENT_PAGE_TRACKER_H_
#define EXTENSIONS_BROWSER_EVENT_PAGE_TRACKER_H_
#include <string>
#include "base/callback_forward.h"
namespace extensions {
// Tracks an extension's event page suspend state.
class EventPageTracker {
public:
// Returns true if an extension's event page is suspended,
// or false if it is active.
virtual bool IsEventPageSuspended(const std::string& extension_id) = 0;
// Wakes an extension's event page from a suspended state and calls
// |callback| after it is reactivated.
//
// |callback| will be passed true if the extension was reactivated
// successfully, or false if an error occurred.
//
// Returns true if a wake operation was scheduled successfully,
// or false if the event page was already awake.
// Callback will be run asynchronously if true, and never run if false.
virtual bool WakeEventPage(const std::string& extension_id,
base::OnceCallback<void(bool)> callback) = 0;
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_EVENT_PAGE_TRACKER_H_
|
