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31 #ifndef WebMediaConstraints_h
32 #define WebMediaConstraints_h
34 #include "WebCommon.h"
35 #include "WebNonCopyable.h"
36 #include "WebPrivatePtr.h"
37 #include "WebString.h"
38 #include "WebVector.h"
42 class WebMediaConstraintsPrivate;
44 struct WebMediaConstraint {
49 WebMediaConstraint(WebString name, WebString value)
59 class WebMediaConstraints {
61 WebMediaConstraints() { }
62 WebMediaConstraints(const WebMediaConstraints& other) { assign(other); }
63 ~WebMediaConstraints() { reset(); }
65 WebMediaConstraints& operator=(const WebMediaConstraints& other)
71 BLINK_PLATFORM_EXPORT void assign(const WebMediaConstraints&);
73 BLINK_PLATFORM_EXPORT void reset();
74 bool isNull() const { return m_private.isNull(); }
76 BLINK_PLATFORM_EXPORT void getOptionalConstraints(WebVector<WebMediaConstraint>&) const;
77 BLINK_PLATFORM_EXPORT void getMandatoryConstraints(WebVector<WebMediaConstraint>&) const;
79 BLINK_PLATFORM_EXPORT bool getOptionalConstraintValue(const WebString& name, WebString& value) const;
80 BLINK_PLATFORM_EXPORT bool getMandatoryConstraintValue(const WebString& name, WebString& value) const;
82 BLINK_PLATFORM_EXPORT void initialize();
83 BLINK_PLATFORM_EXPORT void initialize(const WebVector<WebMediaConstraint>& optional, const WebVector<WebMediaConstraint>& mandatory);
86 WebPrivatePtr<WebMediaConstraintsPrivate> m_private;
91 #endif // WebMediaConstraints_h