| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_RENDERER_MEDIA_RTC_MEDIA_CONSTRAINTS_H_ |
| #define CONTENT_RENDERER_MEDIA_RTC_MEDIA_CONSTRAINTS_H_ |
| |
| #include "base/compiler_specific.h" |
| #include "content/common/content_export.h" |
| #include "third_party/libjingle/source/talk/app/webrtc/mediaconstraintsinterface.h" |
| |
| namespace blink { |
| class WebMediaConstraints; |
| } |
| |
| namespace content { |
| |
| // RTCMediaConstraints acts as a glue layer between WebKits MediaConstraints and |
| // libjingle webrtc::MediaConstraintsInterface. |
| // Constraints are used by PeerConnection and getUserMedia API calls. |
| class CONTENT_EXPORT RTCMediaConstraints |
| : public NON_EXPORTED_BASE(webrtc::MediaConstraintsInterface) { |
| public: |
| RTCMediaConstraints(); |
| explicit RTCMediaConstraints( |
| const blink::WebMediaConstraints& constraints); |
| virtual ~RTCMediaConstraints(); |
| virtual const Constraints& GetMandatory() const OVERRIDE; |
| virtual const Constraints& GetOptional() const OVERRIDE; |
| // Adds a mandatory constraint, optionally overriding an existing one. |
| // If the constraint is already set and |override_if_exists| is false, |
| // the function will return false, otherwise true. |
| bool AddMandatory(const std::string& key, const std::string& value, |
| bool override_if_exists); |
| // As above, but against the optional constraints. |
| bool AddOptional(const std::string& key, const std::string& value, |
| bool override_if_exists); |
| |
| protected: |
| bool AddConstraint(Constraints* constraints, |
| const std::string& key, |
| const std::string& value, |
| bool override_if_exists); |
| Constraints mandatory_; |
| Constraints optional_; |
| }; |
| |
| } // namespace content |
| |
| |
| #endif // CONTENT_RENDERER_MEDIA_RTC_MEDIA_CONSTRAINTS_H_ |