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 10 namespace media { 11 12 CdmPromise::CdmPromise() : is_pending_(true) { 13 } 14 15 CdmPromise::CdmPromise(PromiseRejectedCB reject_cb) 16 : reject_cb_(reject_cb), is_pending_(true) { 17 DCHECK(!reject_cb_.is_null()); 18 } 19 20 CdmPromise::~CdmPromise() { 21 DCHECK(!is_pending_); 22 } 23 24 void CdmPromise::reject(MediaKeys::Exception exception_code, 25 uint32 system_code, 26 const std::string& error_message) { 27 DCHECK(is_pending_); 28 is_pending_ = false; 29 reject_cb_.Run(exception_code, system_code, error_message); 30 } 31 32 template <typename T> 33 CdmPromiseTemplate<T>::CdmPromiseTemplate( 34 base::Callback<void(const T&)> resolve_cb, 35 PromiseRejectedCB reject_cb) 36 : CdmPromise(reject_cb), resolve_cb_(resolve_cb) { 37 DCHECK(!resolve_cb_.is_null()); 38 } 39 40 template <typename T> 41 CdmPromiseTemplate<T>::~CdmPromiseTemplate() { 42 DCHECK(!is_pending_); 43 } 44 45 template <typename T> 46 void CdmPromiseTemplate<T>::resolve(const T& result) { 47 DCHECK(is_pending_); 48 is_pending_ = false; 49 resolve_cb_.Run(result); 50 } 51 52 CdmPromiseTemplate<void>::CdmPromiseTemplate(base::Callback<void()> resolve_cb, 53 PromiseRejectedCB reject_cb) 54 : CdmPromise(reject_cb), resolve_cb_(resolve_cb) { 55 DCHECK(!resolve_cb_.is_null()); 56 } 57 58 CdmPromiseTemplate<void>::CdmPromiseTemplate() { 59 } 60 61 CdmPromiseTemplate<void>::~CdmPromiseTemplate() { 62 DCHECK(!is_pending_); 63 } 64 65 void CdmPromiseTemplate<void>::resolve() { 66 DCHECK(is_pending_); 67 is_pending_ = false; 68 resolve_cb_.Run(); 69 } 70 71 // Explicit template instantiation for the Promises needed. 72 template class MEDIA_EXPORT CdmPromiseTemplate<std::string>; 73 74 } // namespace media 75
