Move all components/offline_pages/ files into component/offline_pages/core

components/offline_pages/background/request_queue.cc

-// 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.
-
-#include "components/offline_pages/background/request_queue.h"
-
-#include <utility>
-
-#include "base/bind.h"
-#include "base/location.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "components/offline_pages/background/add_request_task.h"
-#include "components/offline_pages/background/change_requests_state_task.h"
-#include "components/offline_pages/background/get_requests_task.h"
-#include "components/offline_pages/background/initialize_store_task.h"
-#include "components/offline_pages/background/mark_attempt_aborted_task.h"
-#include "components/offline_pages/background/mark_attempt_completed_task.h"
-#include "components/offline_pages/background/mark_attempt_started_task.h"
-#include "components/offline_pages/background/pick_request_task.h"
-#include "components/offline_pages/background/remove_requests_task.h"
-#include "components/offline_pages/background/request_queue_store.h"
-#include "components/offline_pages/background/save_page_request.h"
-
-namespace offline_pages {
-
-namespace {
-// Completes the get requests call.
-void GetRequestsDone(const RequestQueue::GetRequestsCallback& callback,
-                     bool success,
-                     std::vector<std::unique_ptr<SavePageRequest>> requests) {
-  GetRequestsResult result =
-      success ? GetRequestsResult::SUCCESS : GetRequestsResult::STORE_FAILURE;
-  // TODO(fgorski): Filter out expired requests based on policy.
-  // This may trigger the purging if necessary.
-  // Also this may be turned into a method on the request queue or add a policy
-  // parameter in the process.
-  callback.Run(result, std::move(requests));
-}
-
-// Completes the add request call.
-void AddRequestDone(const RequestQueue::AddRequestCallback& callback,
-                    const SavePageRequest& request,
-                    ItemActionStatus status) {
-  AddRequestResult result;
-  switch (status) {
-    case ItemActionStatus::SUCCESS:
-      result = AddRequestResult::SUCCESS;
-      break;
-    case ItemActionStatus::ALREADY_EXISTS:
-      result = AddRequestResult::ALREADY_EXISTS;
-      break;
-    case ItemActionStatus::STORE_ERROR:
-      result = AddRequestResult::STORE_FAILURE;
-      break;
-    case ItemActionStatus::NOT_FOUND:
-    default:
-      NOTREACHED();
-      return;
-  }
-  callback.Run(result, request);
-}
-
-}  // namespace
-
-RequestQueue::RequestQueue(std::unique_ptr<RequestQueueStore> store)
-    : store_(std::move(store)), weak_ptr_factory_(this) {
-  Initialize();
-}
-
-RequestQueue::~RequestQueue() {}
-
-void RequestQueue::GetRequests(const GetRequestsCallback& callback) {
-  std::unique_ptr<Task> task(new GetRequestsTask(
-      store_.get(), base::Bind(&GetRequestsDone, callback)));
-  task_queue_.AddTask(std::move(task));
-}
-
-void RequestQueue::AddRequest(const SavePageRequest& request,
-                              const AddRequestCallback& callback) {
-  // TODO(fgorski): check that request makes sense.
-  // TODO(fgorski): check that request does not violate policy.
-  std::unique_ptr<AddRequestTask> task(new AddRequestTask(
-      store_.get(), request, base::Bind(&AddRequestDone, callback, request)));
-  task_queue_.AddTask(std::move(task));
-}
-
-void RequestQueue::RemoveRequests(const std::vector<int64_t>& request_ids,
-                                  const UpdateCallback& callback) {
-  std::unique_ptr<Task> task(
-      new RemoveRequestsTask(store_.get(), request_ids, callback));
-  task_queue_.AddTask(std::move(task));
-}
-
-void RequestQueue::ChangeRequestsState(
-    const std::vector<int64_t>& request_ids,
-    const SavePageRequest::RequestState new_state,
-    const RequestQueue::UpdateCallback& callback) {
-  std::unique_ptr<Task> task(new ChangeRequestsStateTask(
-      store_.get(), request_ids, new_state, callback));
-  task_queue_.AddTask(std::move(task));
-}
-
-void RequestQueue::MarkAttemptStarted(int64_t request_id,
-                                      const UpdateCallback& callback) {
-  std::unique_ptr<Task> task(
-      new MarkAttemptStartedTask(store_.get(), request_id, callback));
-  task_queue_.AddTask(std::move(task));
-}
-
-void RequestQueue::MarkAttemptAborted(int64_t request_id,
-                                      const UpdateCallback& callback) {
-  std::unique_ptr<Task> task(
-      new MarkAttemptAbortedTask(store_.get(), request_id, callback));
-  task_queue_.AddTask(std::move(task));
-}
-
-void RequestQueue::MarkAttemptCompleted(int64_t request_id,
-                                        const UpdateCallback& callback) {
-  std::unique_ptr<Task> task(
-      new MarkAttemptCompletedTask(store_.get(), request_id, callback));
-  task_queue_.AddTask(std::move(task));
-}
-
-void RequestQueue::PickNextRequest(
-    OfflinerPolicy* policy,
-    PickRequestTask::RequestPickedCallback picked_callback,
-    PickRequestTask::RequestNotPickedCallback not_picked_callback,
-    PickRequestTask::RequestCountCallback request_count_callback,
-    DeviceConditions& conditions,
-    std::set<int64_t>& disabled_requests) {
-  // Using the PickerContext, create a picker task.
-  std::unique_ptr<Task> task(new PickRequestTask(
-      store_.get(), policy, picked_callback, not_picked_callback,
-      request_count_callback, conditions, disabled_requests));
-
-  // Queue up the picking task, it will call one of the callbacks when it
-  // completes.
-  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::Bind(&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