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      1 /*
      2  * Copyright (C) 2011 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef WebUserMediaRequest_h
     32 #define WebUserMediaRequest_h
     33 
     34 #include "WebSecurityOrigin.h"
     35 #include "public/platform/WebCommon.h"
     36 #include "public/platform/WebPrivatePtr.h"
     37 #include "public/platform/WebString.h"
     38 
     39 namespace WebCore {
     40 class UserMediaRequest;
     41 }
     42 
     43 namespace blink {
     44 class WebDocument;
     45 class WebMediaConstraints;
     46 class WebMediaStream;
     47 class WebMediaStreamSource;
     48 template <typename T> class WebVector;
     49 
     50 class WebUserMediaRequest {
     51 public:
     52     WebUserMediaRequest() { }
     53     WebUserMediaRequest(const WebUserMediaRequest& request) { assign(request); }
     54     ~WebUserMediaRequest() { reset(); }
     55 
     56     WebUserMediaRequest& operator=(const WebUserMediaRequest& other)
     57     {
     58         assign(other);
     59         return *this;
     60     }
     61 
     62     BLINK_EXPORT void reset();
     63     bool isNull() const { return m_private.isNull(); }
     64     BLINK_EXPORT bool equals(const WebUserMediaRequest&) const;
     65     BLINK_EXPORT void assign(const WebUserMediaRequest&);
     66 
     67     BLINK_EXPORT bool audio() const;
     68     BLINK_EXPORT bool video() const;
     69     BLINK_EXPORT WebMediaConstraints audioConstraints() const;
     70     BLINK_EXPORT WebMediaConstraints videoConstraints() const;
     71 
     72     BLINK_EXPORT WebSecurityOrigin securityOrigin() const;
     73     BLINK_EXPORT WebDocument ownerDocument() const;
     74 
     75     BLINK_EXPORT void requestSucceeded(const WebMediaStream&);
     76 
     77     BLINK_EXPORT void requestFailed(const WebString& description = WebString());
     78     BLINK_EXPORT void requestFailedConstraint(const WebString& constraintName, const WebString& description = WebString());
     79 
     80 #if BLINK_IMPLEMENTATION
     81     WebUserMediaRequest(const PassRefPtr<WebCore::UserMediaRequest>&);
     82     WebUserMediaRequest(WebCore::UserMediaRequest*);
     83     operator WebCore::UserMediaRequest*() const;
     84 #endif
     85 
     86 private:
     87     WebPrivatePtr<WebCore::UserMediaRequest> m_private;
     88 };
     89 
     90 inline bool operator==(const WebUserMediaRequest& a, const WebUserMediaRequest& b)
     91 {
     92     return a.equals(b);
     93 }
     94 
     95 } // namespace blink
     96 
     97 #endif // WebUserMediaRequest_h
     98