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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/base/cdm_promise.h" | 5 #include "media/base/cdm_promise.h" |
6 | 6 |
7 #include "base/bind.h" | |
8 #include "base/logging.h" | |
9 #include "base/metrics/histogram.h" | |
10 | |
11 namespace media { | 7 namespace media { |
12 | 8 |
13 template <typename T> | 9 CdmPromise::CdmPromise() { |
14 struct CdmPromiseTraits {}; | |
15 | |
16 template <> | |
17 struct CdmPromiseTraits<void> { | |
18 static const CdmPromise::ResolveParameterType kType = CdmPromise::VOID_TYPE; | |
19 }; | |
20 | |
21 template <> | |
22 struct CdmPromiseTraits<std::string> { | |
23 static const CdmPromise::ResolveParameterType kType = CdmPromise::STRING_TYPE; | |
24 }; | |
25 | |
26 template <> | |
27 struct CdmPromiseTraits<KeyIdsVector> { | |
28 static const CdmPromise::ResolveParameterType kType = | |
29 CdmPromise::KEY_IDS_VECTOR_TYPE; | |
30 }; | |
31 | |
32 CdmPromise::CdmPromise(ResolveParameterType parameter_type) | |
33 : parameter_type_(parameter_type), is_pending_(true) { | |
34 } | |
35 | |
36 CdmPromise::CdmPromise(ResolveParameterType parameter_type, | |
37 PromiseRejectedCB reject_cb) | |
38 : parameter_type_(parameter_type), | |
39 reject_cb_(reject_cb), | |
40 is_pending_(true) { | |
41 DCHECK(!reject_cb_.is_null()); | |
42 } | |
43 | |
44 CdmPromise::CdmPromise(ResolveParameterType parameter_type, | |
45 PromiseRejectedCB reject_cb, | |
46 const std::string& uma_name) | |
47 : parameter_type_(parameter_type), | |
48 reject_cb_(reject_cb), | |
49 is_pending_(true), | |
50 uma_name_(uma_name) { | |
51 DCHECK(!reject_cb_.is_null()); | |
52 DCHECK(!uma_name_.empty()); | |
53 } | 10 } |
54 | 11 |
55 CdmPromise::~CdmPromise() { | 12 CdmPromise::~CdmPromise() { |
56 DCHECK(!is_pending_); | |
57 } | 13 } |
58 | 14 |
59 static CdmPromise::ResultCodeForUMA ConvertExceptionToUMAResult( | |
60 MediaKeys::Exception exception_code) { | |
61 switch (exception_code) { | |
62 case MediaKeys::NOT_SUPPORTED_ERROR: | |
63 return CdmPromise::NOT_SUPPORTED_ERROR; | |
64 case MediaKeys::INVALID_STATE_ERROR: | |
65 return CdmPromise::INVALID_STATE_ERROR; | |
66 case MediaKeys::INVALID_ACCESS_ERROR: | |
67 return CdmPromise::INVALID_ACCESS_ERROR; | |
68 case MediaKeys::QUOTA_EXCEEDED_ERROR: | |
69 return CdmPromise::QUOTA_EXCEEDED_ERROR; | |
70 case MediaKeys::UNKNOWN_ERROR: | |
71 return CdmPromise::UNKNOWN_ERROR; | |
72 case MediaKeys::CLIENT_ERROR: | |
73 return CdmPromise::CLIENT_ERROR; | |
74 case MediaKeys::OUTPUT_ERROR: | |
75 return CdmPromise::OUTPUT_ERROR; | |
76 } | |
77 NOTREACHED(); | |
78 return CdmPromise::UNKNOWN_ERROR; | |
79 } | |
80 | |
81 void CdmPromise::reject(MediaKeys::Exception exception_code, | |
82 uint32 system_code, | |
83 const std::string& error_message) { | |
84 ReportResultToUMA(ConvertExceptionToUMAResult(exception_code)); | |
85 reject_cb_.Run(exception_code, system_code, error_message); | |
86 } | |
87 | |
88 void CdmPromise::ReportResultToUMA(ResultCodeForUMA result) { | |
89 DCHECK(is_pending_); | |
90 is_pending_ = false; | |
91 if (!uma_name_.empty()) { | |
92 base::LinearHistogram::FactoryGet( | |
93 uma_name_, | |
94 1, | |
95 NUM_RESULT_CODES, | |
96 NUM_RESULT_CODES + 1, | |
97 base::HistogramBase::kUmaTargetedHistogramFlag)->Add(result); | |
98 } | |
99 } | |
100 | |
101 template <typename T> | |
102 CdmPromiseTemplate<T>::CdmPromiseTemplate( | |
103 base::Callback<void(const T&)> resolve_cb, | |
104 PromiseRejectedCB reject_cb) | |
105 : CdmPromise(CdmPromiseTraits<T>::kType, reject_cb), | |
106 resolve_cb_(resolve_cb) { | |
107 DCHECK(!resolve_cb_.is_null()); | |
108 } | |
109 | |
110 template <typename T> | |
111 CdmPromiseTemplate<T>::CdmPromiseTemplate( | |
112 base::Callback<void(const T&)> resolve_cb, | |
113 PromiseRejectedCB reject_cb, | |
114 const std::string& uma_name) | |
115 : CdmPromise(CdmPromiseTraits<T>::kType, reject_cb, uma_name), | |
116 resolve_cb_(resolve_cb) { | |
117 DCHECK(!resolve_cb_.is_null()); | |
118 } | |
119 | |
120 template <typename T> | |
121 CdmPromiseTemplate<T>::CdmPromiseTemplate() | |
122 : CdmPromise(CdmPromiseTraits<T>::kType) { | |
123 } | |
124 | |
125 template <typename T> | |
126 void CdmPromiseTemplate<T>::resolve(const T& result) { | |
127 ReportResultToUMA(SUCCESS); | |
128 resolve_cb_.Run(result); | |
129 } | |
130 | |
131 CdmPromiseTemplate<void>::CdmPromiseTemplate(base::Callback<void()> resolve_cb, | |
132 PromiseRejectedCB reject_cb) | |
133 : CdmPromise(CdmPromiseTraits<void>::kType, reject_cb), | |
134 resolve_cb_(resolve_cb) { | |
135 DCHECK(!resolve_cb_.is_null()); | |
136 } | |
137 | |
138 CdmPromiseTemplate<void>::CdmPromiseTemplate(base::Callback<void()> resolve_cb, | |
139 PromiseRejectedCB reject_cb, | |
140 const std::string& uma_name) | |
141 : CdmPromise(CdmPromiseTraits<void>::kType, reject_cb, uma_name), | |
142 resolve_cb_(resolve_cb) { | |
143 DCHECK(!resolve_cb_.is_null()); | |
144 DCHECK(!uma_name_.empty()); | |
145 } | |
146 | |
147 CdmPromiseTemplate<void>::CdmPromiseTemplate() | |
148 : CdmPromise(CdmPromiseTraits<void>::kType) { | |
149 } | |
150 | |
151 void CdmPromiseTemplate<void>::resolve() { | |
152 ReportResultToUMA(SUCCESS); | |
153 resolve_cb_.Run(); | |
154 } | |
155 | |
156 // Explicit template instantiation for the Promises needed. | |
157 template class MEDIA_EXPORT CdmPromiseTemplate<std::string>; | |
158 template class MEDIA_EXPORT CdmPromiseTemplate<KeyIdsVector>; | |
159 | |
160 } // namespace media | 15 } // namespace media |
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