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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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35 #include "core/html/URLRegistry.h" | 35 #include "core/html/URLRegistry.h" |
36 #include "platform/heap/Handle.h" | 36 #include "platform/heap/Handle.h" |
37 #include "wtf/Forward.h" | 37 #include "wtf/Forward.h" |
38 #include <memory> | 38 #include <memory> |
39 | 39 |
40 namespace blink { | 40 namespace blink { |
41 | 41 |
42 class WebMediaSource; | 42 class WebMediaSource; |
43 class HTMLMediaElement; | 43 class HTMLMediaElement; |
44 class TimeRanges; | 44 class TimeRanges; |
| 45 class TrackBase; |
45 | 46 |
46 class CORE_EXPORT HTMLMediaSource : public URLRegistrable, public GarbageCollect
edMixin { | 47 class CORE_EXPORT HTMLMediaSource : public URLRegistrable, public GarbageCollect
edMixin { |
47 public: | 48 public: |
48 static void setRegistry(URLRegistry*); | 49 static void setRegistry(URLRegistry*); |
49 static HTMLMediaSource* lookup(const String& url) { return s_registry ? stat
ic_cast<HTMLMediaSource*>(s_registry->lookup(url)) : 0; } | 50 static HTMLMediaSource* lookup(const String& url) { return s_registry ? stat
ic_cast<HTMLMediaSource*>(s_registry->lookup(url)) : 0; } |
50 | 51 |
51 // Called when an HTMLMediaElement is attempting to attach to this object, | 52 // Called when an HTMLMediaElement is attempting to attach to this object, |
52 // and helps enforce attachment to at most one element at a time. | 53 // and helps enforce attachment to at most one element at a time. |
53 // If already attached, returns false. Otherwise, must be in | 54 // If already attached, returns false. Otherwise, must be in |
54 // 'closed' state, and returns true to indicate attachment success. | 55 // 'closed' state, and returns true to indicate attachment success. |
55 // Reattachment allowed by first calling close() (even if already in 'closed
'). | 56 // Reattachment allowed by first calling close() (even if already in 'closed
'). |
56 // Once attached, the source uses the element to synchronously service some | 57 // Once attached, the source uses the element to synchronously service some |
57 // API operations like duration change that may need to initiate seek. | 58 // API operations like duration change that may need to initiate seek. |
58 virtual bool attachToElement(HTMLMediaElement*) = 0; | 59 virtual bool attachToElement(HTMLMediaElement*) = 0; |
59 virtual void setWebMediaSourceAndOpen(std::unique_ptr<WebMediaSource>) = 0; | 60 virtual void setWebMediaSourceAndOpen(std::unique_ptr<WebMediaSource>) = 0; |
60 virtual void close() = 0; | 61 virtual void close() = 0; |
61 virtual bool isClosed() const = 0; | 62 virtual bool isClosed() const = 0; |
62 virtual double duration() const = 0; | 63 virtual double duration() const = 0; |
63 virtual TimeRanges* buffered() const = 0; | 64 virtual TimeRanges* buffered() const = 0; |
64 virtual TimeRanges* seekable() const = 0; | 65 virtual TimeRanges* seekable() const = 0; |
| 66 virtual void onTrackChanged(TrackBase*) = 0; |
65 | 67 |
66 // URLRegistrable | 68 // URLRegistrable |
67 URLRegistry& registry() const override { return *s_registry; } | 69 URLRegistry& registry() const override { return *s_registry; } |
68 | 70 |
69 private: | 71 private: |
70 static URLRegistry* s_registry; | 72 static URLRegistry* s_registry; |
71 }; | 73 }; |
72 | 74 |
73 } // namespace blink | 75 } // namespace blink |
74 | 76 |
75 #endif | 77 #endif |
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