blob: f03b31fa3beea34c0c9caed2d2667814defdd944 (
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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
// Copyright 2016 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_OFFLINE_PAGES_CORE_BACKGROUND_RECONCILE_TASK_H_
#define COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_RECONCILE_TASK_H_
#include <memory>
#include <vector>
#include "base/memory/weak_ptr.h"
#include "components/offline_pages/core/background/request_queue_store.h"
#include "components/offline_pages/core/background/save_page_request.h"
#include "components/offline_pages/core/task.h"
namespace offline_pages {
// The reconcile task should be run at request coordinator startup to find any
// tasks that were offlining when chrome died, and change the state back to
// available.
class ReconcileTask : public Task {
public:
ReconcileTask(RequestQueueStore* store,
const RequestQueueStore::UpdateCallback& callback);
~ReconcileTask() override;
// TaskQueue::Task implementation:
// Starts the async chain.
void Run() override;
private:
// Step 1. Get results from the store.
void GetRequests();
// Step 2. Flip OFFLINING requests to AVAILABLE and put back in queue.
void Reconcile(bool success,
std::vector<std::unique_ptr<SavePageRequest>> requests);
// Step 3. Processes update result.
void UpdateCompleted(std::unique_ptr<UpdateRequestsResult> update_result);
// Member variables, all pointers are not owned here.
RequestQueueStore* store_;
// Callback to complete the task.
RequestQueueStore::UpdateCallback callback_;
// Allows us to pass a weak pointer to callbacks.
base::WeakPtrFactory<ReconcileTask> weak_ptr_factory_;
};
} // namespace offline_pages
#endif // COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_RECONCILE_TASK_H_
|
