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1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include <string> | |
6 | |
7 #include "chrome/browser/background_fetch/background_fetch_client_impl.h" | |
8 | |
9 #include "chrome/browser/offline_items_collection/offline_content_aggregator_fac tory.h" | |
10 #include "chrome/browser/profiles/profile.h" | |
11 #include "components/offline_items_collection/core/offline_content_aggregator.h" | |
12 #include "components/offline_items_collection/core/offline_item.h" | |
13 | |
14 namespace { | |
15 | |
16 const char kBackgroundFetchNamespace[] = "BackgroundFetchNamespace"; | |
17 | |
18 } // namespace | |
19 | |
20 BackgroundFetchClientImpl::BackgroundFetchClientImpl(Profile* profile) | |
21 : profile_(profile) { | |
22 DCHECK(profile_); | |
23 offline_items_collection::OfflineContentAggregator* aggregator = | |
Peter Beverloo
2017/03/31 01:32:22
Could we have an GetAggregator() helper method tha
Peter Beverloo
2017/03/31 01:32:22
`using` declarations are allowed in .cc files, so
harkness
2017/03/31 10:11:43
It would only be called twice. I thought Chromium
harkness
2017/03/31 10:11:43
Done.
Peter Beverloo
2017/03/31 11:54:06
Fair enough.
| |
24 offline_items_collection::OfflineContentAggregatorFactory:: | |
25 GetForBrowserContext(profile_); | |
26 if (!aggregator) | |
27 return; | |
28 aggregator->RegisterProvider(kBackgroundFetchNamespace, this); | |
29 } | |
30 | |
31 BackgroundFetchClientImpl::~BackgroundFetchClientImpl() = default; | |
32 | |
33 void BackgroundFetchClientImpl::Shutdown() { | |
34 offline_items_collection::OfflineContentAggregator* aggregator = | |
35 offline_items_collection::OfflineContentAggregatorFactory:: | |
36 GetForBrowserContext(profile_); | |
37 if (!aggregator) | |
38 return; | |
39 aggregator->UnregisterProvider(kBackgroundFetchNamespace); | |
40 } | |
41 | |
42 void BackgroundFetchClientImpl::SetDelegate( | |
43 content::BackgroundFetchClient::Delegate* delegate) { | |
44 delegate_ = delegate; | |
45 } | |
46 | |
47 void BackgroundFetchClientImpl::CancelDownload( | |
48 const offline_items_collection::ContentId& content_id) { | |
49 DCHECK_EQ(content_id.name_space, kBackgroundFetchNamespace); | |
50 | |
51 if (!delegate_) | |
52 return; | |
53 | |
54 delegate_->CancelDownload(content_id.id); | |
55 } | |
56 | |
57 void BackgroundFetchClientImpl::PauseDownload( | |
58 const offline_items_collection::ContentId& content_id) { | |
59 DCHECK_EQ(content_id.name_space, kBackgroundFetchNamespace); | |
60 | |
61 if (!delegate_) | |
62 return; | |
63 | |
64 delegate_->PauseDownload(content_id.id); | |
65 } | |
66 | |
67 void BackgroundFetchClientImpl::ResumeDownload( | |
68 const offline_items_collection::ContentId& content_id) { | |
69 DCHECK_EQ(content_id.name_space, kBackgroundFetchNamespace); | |
70 | |
71 if (!delegate_) | |
72 return; | |
73 | |
74 delegate_->ResumeDownload(content_id.id); | |
75 } | |
76 | |
77 void BackgroundFetchClientImpl::OpenItem( | |
78 const offline_items_collection::ContentId& content_id) { | |
79 // TODO(harkness): Add another call to BackgroundFetchClient::Delegate and | |
80 // plumb this to 'onclickevent' to the ServiceWorker. | |
81 } | |
82 | |
83 void BackgroundFetchClientImpl::AddObserver(Observer* observer) { | |
84 // TODO(harkness): Add a path for the OfflineContentProvider to observe | |
85 // changes in available BackgroundFetch items. | |
86 } | |
87 | |
88 void BackgroundFetchClientImpl::RemoveObserver(Observer* observer) {} | |
89 | |
90 bool BackgroundFetchClientImpl::AreItemsAvailable() { | |
91 // This call has no meaning for BackgroundFetch, since items will be removed | |
92 // from the offline content listing as soon as the fetch is complete. | |
Peter Beverloo
2017/03/31 01:32:22
Yes, but the OIC may maintain a cache of its own.
harkness
2017/03/31 10:11:43
Updated to be a TODO.
| |
93 return false; | |
94 } | |
95 | |
96 void BackgroundFetchClientImpl::RemoveItem( | |
97 const offline_items_collection::ContentId& content_id) { | |
98 // This call has no meaning for BackgroundFetch, since items will be removed | |
99 // from the offline content listing as soon as the fetch is complete. | |
100 } | |
101 | |
102 const offline_items_collection::OfflineItem* | |
103 BackgroundFetchClientImpl::GetItemById( | |
104 const offline_items_collection::ContentId& content_id) { | |
105 // This call has no meaning for BackgroundFetch, since items will be removed | |
106 // from the offline content listing as soon as the fetch is complete. | |
107 return nullptr; | |
108 } | |
109 | |
110 offline_items_collection::OfflineContentProvider::OfflineItemList | |
111 BackgroundFetchClientImpl::GetAllItems() { | |
112 // This call has no meaning for BackgroundFetch, since items will be removed | |
113 // from the offline content listing as soon as the fetch is complete. | |
114 return offline_items_collection::OfflineContentProvider::OfflineItemList(); | |
115 } | |
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