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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/offline_pages/core/background/request_queue.h"
#include <utility>
#include "base/functional/bind.h"
#include "base/location.h"
#include "components/offline_pages/core/background/change_requests_state_task.h"
#include "components/offline_pages/core/background/get_requests_task.h"
#include "components/offline_pages/core/background/initialize_store_task.h"
#include "components/offline_pages/core/background/mark_attempt_aborted_task.h"
#include "components/offline_pages/core/background/mark_attempt_completed_task.h"
#include "components/offline_pages/core/background/mark_attempt_deferred_task.h"
#include "components/offline_pages/core/background/mark_attempt_started_task.h"
#include "components/offline_pages/core/background/pick_request_task.h"
#include "components/offline_pages/core/background/reconcile_task.h"
#include "components/offline_pages/core/background/remove_requests_task.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/task/closure_task.h"
namespace offline_pages {
namespace {
// Completes the get requests call.
void GetRequestsDone(RequestQueue::GetRequestsCallback callback,
bool success,
std::vector<std::unique_ptr<SavePageRequest>> requests) {
GetRequestsResult result =
success ? GetRequestsResult::SUCCESS : GetRequestsResult::STORE_FAILURE;
std::move(callback).Run(result, std::move(requests));
}
} // namespace
RequestQueue::RequestQueue(std::unique_ptr<RequestQueueStore> store)
: store_(std::move(store)), task_queue_(this) {
Initialize();
}
RequestQueue::~RequestQueue() = default;
void RequestQueue::OnTaskQueueIsIdle() {}
void RequestQueue::GetRequests(GetRequestsCallback callback) {
std::unique_ptr<Task> task(new GetRequestsTask(
store_.get(), base::BindOnce(&GetRequestsDone, std::move(callback))));
task_queue_.AddTask(std::move(task));
}
void RequestQueue::AddRequest(const SavePageRequest& request,
AddOptions options,
AddRequestCallback callback) {
// |callback| receives both |request| and the result, whereas
// RequestQueueStore returns only the result. Adapt the callback here.
RequestQueueStore::AddCallback adapter = base::BindOnce(
[](AddRequestCallback callback, const SavePageRequest& request,
AddRequestResult result) { std::move(callback).Run(result, request); },
std::move(callback), request);
task_queue_.AddTask(std::make_unique<ClosureTask>(base::BindOnce(
&RequestQueueStore::AddRequest, base::Unretained(store_.get()), request,
std::move(options), std::move(adapter))));
}
void RequestQueue::RemoveRequests(const std::vector<int64_t>& request_ids,
UpdateCallback callback) {
std::unique_ptr<Task> task(
new RemoveRequestsTask(store_.get(), request_ids, std::move(callback)));
task_queue_.AddTask(std::move(task));
}
void RequestQueue::RemoveRequestsIf(
const base::RepeatingCallback<bool(const SavePageRequest&)>&
remove_predicate,
UpdateCallback done_callback) {
task_queue_.AddTask(std::make_unique<ClosureTask>(base::BindOnce(
&RequestQueueStore::RemoveRequestsIf, base::Unretained(store_.get()),
remove_predicate, std::move(done_callback))));
}
void RequestQueue::ChangeRequestsState(
const std::vector<int64_t>& request_ids,
const SavePageRequest::RequestState new_state,
UpdateCallback callback) {
std::unique_ptr<Task> task(new ChangeRequestsStateTask(
store_.get(), request_ids, new_state, std::move(callback)));
task_queue_.AddTask(std::move(task));
}
void RequestQueue::MarkAttemptStarted(int64_t request_id,
UpdateCallback callback) {
std::unique_ptr<Task> task(new MarkAttemptStartedTask(
store_.get(), request_id, std::move(callback)));
task_queue_.AddTask(std::move(task));
}
void RequestQueue::MarkAttemptAborted(int64_t request_id,
UpdateCallback callback) {
std::unique_ptr<Task> task(new MarkAttemptAbortedTask(
store_.get(), request_id, std::move(callback)));
task_queue_.AddTask(std::move(task));
}
void RequestQueue::MarkAttemptCompleted(int64_t request_id,
FailState fail_state,
UpdateCallback callback) {
std::unique_ptr<Task> task(new MarkAttemptCompletedTask(
store_.get(), request_id, fail_state, std::move(callback)));
task_queue_.AddTask(std::move(task));
}
void RequestQueue::SetAutoFetchNotificationState(
int64_t request_id,
SavePageRequest::AutoFetchNotificationState state,
base::OnceCallback<void(bool updated)> callback) {
task_queue_.AddTask(std::make_unique<ClosureTask>(base::BindOnce(
&RequestQueueStore::SetAutoFetchNotificationState,
base::Unretained(store_.get()), request_id, state, std::move(callback))));
}
void RequestQueue::MarkAttemptDeferred(int64_t request_id,
UpdateCallback callback) {
std::unique_ptr<Task> task(new MarkAttemptDeferredTask(
store_.get(), request_id, std::move(callback)));
task_queue_.AddTask(std::move(task));
}
void RequestQueue::PickNextRequest(
OfflinerPolicy* policy,
PickRequestTask::RequestPickedCallback picked_callback,
PickRequestTask::RequestNotPickedCallback not_picked_callback,
DeviceConditions conditions,
const std::set<int64_t>& disabled_requests,
base::circular_deque<int64_t>* prioritized_requests) {
// Using the PickerContext, create a picker task.
std::unique_ptr<Task> task(
new PickRequestTask(store_.get(), policy, std::move(picked_callback),
std::move(not_picked_callback), std::move(conditions),
disabled_requests, prioritized_requests));
// Queue up the picking task, it will call one of the callbacks when it
// completes.
task_queue_.AddTask(std::move(task));
}
void RequestQueue::ReconcileRequests(UpdateCallback callback) {
std::unique_ptr<Task> task(
new ReconcileTask(store_.get(), std::move(callback)));
// Queue up the reconcile task.
task_queue_.AddTask(std::move(task));
}
void RequestQueue::CleanupRequestQueue() {
// Create a cleanup task.
std::unique_ptr<Task> task(cleanup_factory_->CreateCleanupTask(store_.get()));
// Queue up the cleanup task.
task_queue_.AddTask(std::move(task));
}
void RequestQueue::Initialize() {
std::unique_ptr<Task> task(new InitializeStoreTask(
store_.get(), base::BindOnce(&RequestQueue::InitializeStoreDone,
weak_ptr_factory_.GetWeakPtr())));
task_queue_.AddTask(std::move(task));
}
void RequestQueue::InitializeStoreDone(bool success) {
// TODO(fgorski): Result can be ignored for now. Report UMA in future.
// No need to pass the result up to RequestCoordinator.
}
} // namespace offline_pages
|
