src/media/base/cdm_promise.cc

   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 "media/base/cdm_promise.h"
   6
   7 #include "base/bind.h"
   8 #include "base/logging.h"
   9 #include "base/metrics/histogram.h"
  10
  11 namespace media {
  12
  13 CdmPromise::CdmPromise() : is_pending_(true) {
  14 }
  15
  16 CdmPromise::CdmPromise(PromiseRejectedCB reject_cb)
  17     : reject_cb_(reject_cb), is_pending_(true) {
  18   DCHECK(!reject_cb_.is_null());
  19 }
  20
  21 CdmPromise::CdmPromise(PromiseRejectedCB reject_cb, const std::string& uma_name)
  22     : reject_cb_(reject_cb), is_pending_(true), uma_name_(uma_name) {
  23   DCHECK(!reject_cb_.is_null());
  24 }
  25
  26 CdmPromise::~CdmPromise() {
  27   DCHECK(!is_pending_);
  28 }
  29
  30 static CdmPromise::ResultCodeForUMA ConvertExceptionToUMAResult(
  31     MediaKeys::Exception exception_code) {
  32   switch (exception_code) {
  33     case MediaKeys::NOT_SUPPORTED_ERROR:
  34       return CdmPromise::NOT_SUPPORTED_ERROR;
  35     case MediaKeys::INVALID_STATE_ERROR:
  36       return CdmPromise::INVALID_STATE_ERROR;
  37     case MediaKeys::INVALID_ACCESS_ERROR:
  38       return CdmPromise::INVALID_ACCESS_ERROR;
  39     case MediaKeys::QUOTA_EXCEEDED_ERROR:
  40       return CdmPromise::QUOTA_EXCEEDED_ERROR;
  41     case MediaKeys::UNKNOWN_ERROR:
  42       return CdmPromise::UNKNOWN_ERROR;
  43     case MediaKeys::CLIENT_ERROR:
  44       return CdmPromise::CLIENT_ERROR;
  45     case MediaKeys::OUTPUT_ERROR:
  46       return CdmPromise::OUTPUT_ERROR;
  47   }
  48   NOTREACHED();
  49   return CdmPromise::UNKNOWN_ERROR;
  50 }
  51
  52 void CdmPromise::reject(MediaKeys::Exception exception_code,
  53                         uint32 system_code,
  54                         const std::string& error_message) {
  55   DCHECK(is_pending_);
  56   is_pending_ = false;
  57   if (!uma_name_.empty()) {
  58     ResultCodeForUMA result_code = ConvertExceptionToUMAResult(exception_code);
  59     base::LinearHistogram::FactoryGet(
  60         uma_name_, 1, NUM_RESULT_CODES, NUM_RESULT_CODES + 1,
  61         base::HistogramBase::kUmaTargetedHistogramFlag)->Add(result_code);
  62   }
  63   reject_cb_.Run(exception_code, system_code, error_message);
  64 }
  65
  66 CdmPromiseTemplate<void>::CdmPromiseTemplate(base::Callback<void()> resolve_cb,
  67                                              PromiseRejectedCB reject_cb)
  68     : CdmPromise(reject_cb), resolve_cb_(resolve_cb) {
  69   DCHECK(!resolve_cb_.is_null());
  70 }
  71
  72 CdmPromiseTemplate<void>::CdmPromiseTemplate(base::Callback<void()> resolve_cb,
  73                                              PromiseRejectedCB reject_cb,
  74                                              const std::string& uma_name)
  75     : CdmPromise(reject_cb, uma_name), resolve_cb_(resolve_cb) {
  76   DCHECK(!resolve_cb_.is_null());
  77   DCHECK(!uma_name_.empty());
  78 }
  79
  80 CdmPromiseTemplate<void>::CdmPromiseTemplate() {
  81 }
  82
  83 CdmPromiseTemplate<void>::~CdmPromiseTemplate() {
  84   DCHECK(!is_pending_);
  85 }
  86
  87 void CdmPromiseTemplate<void>::resolve() {
  88   DCHECK(is_pending_);
  89   is_pending_ = false;
  90   if (!uma_name_.empty()) {
  91     base::LinearHistogram::FactoryGet(
  92         uma_name_, 1, NUM_RESULT_CODES, NUM_RESULT_CODES + 1,
  93         base::HistogramBase::kUmaTargetedHistogramFlag)->Add(SUCCESS);
  94   }
  95   resolve_cb_.Run();
  96 }
  97
  98 CdmPromise::ResolveParameterType
  99 CdmPromiseTemplate<void>::GetResolveParameterType() const {
 100   return VOID_TYPE;
 101 }
 102
 103 CdmPromiseTemplate<std::string>::CdmPromiseTemplate(
 104     base::Callback<void(const std::string&)> resolve_cb,
 105     PromiseRejectedCB reject_cb)
 106     : CdmPromise(reject_cb), resolve_cb_(resolve_cb) {
 107   DCHECK(!resolve_cb_.is_null());
 108 }
 109
 110 CdmPromiseTemplate<std::string>::CdmPromiseTemplate(
 111     base::Callback<void(const std::string&)> resolve_cb,
 112     PromiseRejectedCB reject_cb,
 113     const std::string& uma_name)
 114     : CdmPromise(reject_cb, uma_name), resolve_cb_(resolve_cb) {
 115   DCHECK(!resolve_cb_.is_null());
 116 }
 117
 118 CdmPromiseTemplate<std::string>::CdmPromiseTemplate() {
 119 }
 120
 121 CdmPromiseTemplate<std::string>::~CdmPromiseTemplate() {
 122   DCHECK(!is_pending_);
 123 }
 124
 125 void CdmPromiseTemplate<std::string>::resolve(const std::string& result) {
 126   DCHECK(is_pending_);
 127   is_pending_ = false;
 128   if (!uma_name_.empty()) {
 129     base::LinearHistogram::FactoryGet(
 130         uma_name_, 1, NUM_RESULT_CODES, NUM_RESULT_CODES + 1,
 131         base::HistogramBase::kUmaTargetedHistogramFlag)->Add(SUCCESS);
 132   }
 133   resolve_cb_.Run(result);
 134 }
 135
 136 CdmPromise::ResolveParameterType
 137 CdmPromiseTemplate<std::string>::GetResolveParameterType() const {
 138   return STRING_TYPE;
 139 }
 140
 141 CdmPromiseTemplate<KeyIdsVector>::CdmPromiseTemplate(
 142     base::Callback<void(const KeyIdsVector&)> resolve_cb,
 143     PromiseRejectedCB reject_cb)
 144     : CdmPromise(reject_cb), resolve_cb_(resolve_cb) {
 145   DCHECK(!resolve_cb_.is_null());
 146 }
 147
 148 CdmPromiseTemplate<KeyIdsVector>::CdmPromiseTemplate(
 149     base::Callback<void(const KeyIdsVector&)> resolve_cb,
 150     PromiseRejectedCB reject_cb,
 151     const std::string& uma_name)
 152     : CdmPromise(reject_cb, uma_name), resolve_cb_(resolve_cb) {
 153   DCHECK(!resolve_cb_.is_null());
 154 }
 155
 156 CdmPromiseTemplate<KeyIdsVector>::~CdmPromiseTemplate() {
 157   DCHECK(!is_pending_);
 158 }
 159
 160 void CdmPromiseTemplate<KeyIdsVector>::resolve(const KeyIdsVector& result) {
 161   DCHECK(is_pending_);
 162   is_pending_ = false;
 163   if (!uma_name_.empty()) {
 164     base::LinearHistogram::FactoryGet(
 165         uma_name_, 1, NUM_RESULT_CODES, NUM_RESULT_CODES + 1,
 166         base::HistogramBase::kUmaTargetedHistogramFlag)->Add(SUCCESS);
 167   }
 168   resolve_cb_.Run(result);
 169 }
 170
 171 CdmPromise::ResolveParameterType
 172 CdmPromiseTemplate<KeyIdsVector>::GetResolveParameterType() const {
 173   return KEY_IDS_VECTOR_TYPE;
 174 }
 175
 176 }  // namespace media