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1 // Copyright 2014 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 "sync/internal_api/public/attachments/attachment_service_proxy.h" | |
6 | |
7 #include "base/bind.h" | |
8 #include "base/message_loop/message_loop.h" | |
9 #include "base/threading/thread_task_runner_handle.h" | |
10 | |
11 namespace syncer { | |
12 | |
13 namespace { | |
14 | |
15 // These ProxyFooCallback functions are used to invoke a callback in a specific | |
16 // thread. | |
17 | |
18 // Invokes |callback| with |result| and |attachments| in the |task_runner| | |
19 // thread. | |
20 void ProxyGetOrDownloadCallback( | |
21 const scoped_refptr<base::SequencedTaskRunner>& task_runner, | |
22 const AttachmentService::GetOrDownloadCallback& callback, | |
23 const AttachmentService::GetOrDownloadResult& result, | |
24 std::unique_ptr<AttachmentMap> attachments) { | |
25 task_runner->PostTask( | |
26 FROM_HERE, base::Bind(callback, result, base::Passed(&attachments))); | |
27 } | |
28 | |
29 } // namespace | |
30 | |
31 AttachmentServiceProxy::AttachmentServiceProxy() { | |
32 } | |
33 | |
34 AttachmentServiceProxy::AttachmentServiceProxy( | |
35 const scoped_refptr<base::SequencedTaskRunner>& wrapped_task_runner, | |
36 const base::WeakPtr<syncer::AttachmentService>& wrapped) | |
37 : wrapped_task_runner_(wrapped_task_runner), core_(new Core(wrapped)) { | |
38 DCHECK(wrapped_task_runner_.get()); | |
39 } | |
40 | |
41 AttachmentServiceProxy::AttachmentServiceProxy( | |
42 const scoped_refptr<base::SequencedTaskRunner>& wrapped_task_runner, | |
43 const scoped_refptr<Core>& core) | |
44 : wrapped_task_runner_(wrapped_task_runner), core_(core) { | |
45 DCHECK(wrapped_task_runner_.get()); | |
46 DCHECK(core_.get()); | |
47 } | |
48 | |
49 AttachmentServiceProxy::AttachmentServiceProxy( | |
50 const AttachmentServiceProxy& other) = default; | |
51 | |
52 AttachmentServiceProxy::~AttachmentServiceProxy() { | |
53 } | |
54 | |
55 void AttachmentServiceProxy::GetOrDownloadAttachments( | |
56 const AttachmentIdList& attachment_ids, | |
57 const GetOrDownloadCallback& callback) { | |
58 DCHECK(wrapped_task_runner_.get()); | |
59 GetOrDownloadCallback proxy_callback = | |
60 base::Bind(&ProxyGetOrDownloadCallback, | |
61 base::ThreadTaskRunnerHandle::Get(), | |
62 callback); | |
63 wrapped_task_runner_->PostTask( | |
64 FROM_HERE, | |
65 base::Bind(&AttachmentService::GetOrDownloadAttachments, | |
66 core_, | |
67 attachment_ids, | |
68 proxy_callback)); | |
69 } | |
70 | |
71 void AttachmentServiceProxy::UploadAttachments( | |
72 const AttachmentIdList& attachment_ids) { | |
73 DCHECK(wrapped_task_runner_.get()); | |
74 wrapped_task_runner_->PostTask( | |
75 FROM_HERE, | |
76 base::Bind(&AttachmentService::UploadAttachments, core_, attachment_ids)); | |
77 } | |
78 | |
79 AttachmentServiceProxy::Core::Core( | |
80 const base::WeakPtr<syncer::AttachmentService>& wrapped) | |
81 : wrapped_(wrapped) { | |
82 } | |
83 | |
84 AttachmentServiceProxy::Core::~Core() { | |
85 } | |
86 | |
87 void AttachmentServiceProxy::Core::GetOrDownloadAttachments( | |
88 const AttachmentIdList& attachment_ids, | |
89 const GetOrDownloadCallback& callback) { | |
90 if (!wrapped_) { | |
91 return; | |
92 } | |
93 wrapped_->GetOrDownloadAttachments(attachment_ids, callback); | |
94 } | |
95 | |
96 void AttachmentServiceProxy::Core::UploadAttachments( | |
97 const AttachmentIdList& attachment_ids) { | |
98 if (!wrapped_) { | |
99 return; | |
100 } | |
101 wrapped_->UploadAttachments(attachment_ids); | |
102 } | |
103 | |
104 } // namespace syncer | |
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