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Side by Side Diff: third_party/WebKit/Source/core/streams/Stream.h

Issue 2567913002: Rename ActiveDOMObject to SuspendableObject (Closed)
Patch Set: Created 4 years ago
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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
(...skipping 14 matching lines...) Expand all
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 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. 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */ 29 */
30 30
31 #ifndef Stream_h 31 #ifndef Stream_h
32 #define Stream_h 32 #define Stream_h
33 33
34 #include "core/CoreExport.h" 34 #include "core/CoreExport.h"
35 #include "core/dom/ActiveDOMObject.h" 35 #include "core/dom/SuspendableObject.h"
36 #include "platform/heap/Handle.h" 36 #include "platform/heap/Handle.h"
37 #include "platform/weborigin/KURL.h" 37 #include "platform/weborigin/KURL.h"
38 #include "wtf/text/WTFString.h" 38 #include "wtf/text/WTFString.h"
39 39
40 namespace blink { 40 namespace blink {
41 41
42 class ExecutionContext; 42 class ExecutionContext;
43 43
44 class CORE_EXPORT Stream final : public GarbageCollectedFinalized<Stream>, 44 class CORE_EXPORT Stream final : public GarbageCollectedFinalized<Stream>,
45 public ActiveDOMObject { 45 public SuspendableObject {
46 USING_GARBAGE_COLLECTED_MIXIN(Stream); 46 USING_GARBAGE_COLLECTED_MIXIN(Stream);
47 47
48 public: 48 public:
49 static Stream* create(ExecutionContext* context, const String& mediaType) { 49 static Stream* create(ExecutionContext* context, const String& mediaType) {
50 Stream* stream = new Stream(context, mediaType); 50 Stream* stream = new Stream(context, mediaType);
51 stream->suspendIfNeeded(); 51 stream->suspendIfNeeded();
52 return stream; 52 return stream;
53 } 53 }
54 54
55 ~Stream() override; 55 ~Stream() override;
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69 // Mark this stream finalized due to an error so that a reader of this 69 // Mark this stream finalized due to an error so that a reader of this
70 // stream is notified of EOF due to the error. 70 // stream is notified of EOF due to the error.
71 void abort(); 71 void abort();
72 72
73 // Allow an external reader class to mark this object neutered so that they 73 // Allow an external reader class to mark this object neutered so that they
74 // won't load the corresponding stream again. All stream objects are 74 // won't load the corresponding stream again. All stream objects are
75 // read-once for now. 75 // read-once for now.
76 void neuter() { m_isNeutered = true; } 76 void neuter() { m_isNeutered = true; }
77 bool isNeutered() const { return m_isNeutered; } 77 bool isNeutered() const { return m_isNeutered; }
78 78
79 // Implementation of ActiveDOMObject. 79 // Implementation of SuspendableObject.
80 // 80 //
81 // FIXME: Implement suspend() and resume() when necessary. 81 // FIXME: Implement suspend() and resume() when necessary.
82 void suspend() override; 82 void suspend() override;
83 void resume() override; 83 void resume() override;
84 void contextDestroyed() override; 84 void contextDestroyed() override;
85 85
86 DECLARE_VIRTUAL_TRACE(); 86 DECLARE_VIRTUAL_TRACE();
87 87
88 protected: 88 protected:
89 Stream(ExecutionContext*, const String& mediaType); 89 Stream(ExecutionContext*, const String& mediaType);
90 90
91 // This is an internal URL referring to the blob data associated with this 91 // This is an internal URL referring to the blob data associated with this
92 // object. It serves as an identifier for this blob. The internal URL is never 92 // object. It serves as an identifier for this blob. The internal URL is never
93 // used to source the blob's content into an HTML or for FileRead'ing, public 93 // used to source the blob's content into an HTML or for FileRead'ing, public
94 // blob URLs must be used for those purposes. 94 // blob URLs must be used for those purposes.
95 KURL m_internalURL; 95 KURL m_internalURL;
96 96
97 String m_mediaType; 97 String m_mediaType;
98 98
99 bool m_isNeutered; 99 bool m_isNeutered;
100 }; 100 };
101 101
102 } // namespace blink 102 } // namespace blink
103 103
104 #endif // Stream_h 104 #endif // Stream_h
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