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Side by Side Diff: third_party/WebKit/Source/core/fileapi/FileReader.h

Issue 1805843002: [v8 gc] Introduce a base class for all objects that can have pending activity (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: updates Created 4 years, 9 months ago
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1 /* 1 /*
2 * Copyright (C) 2010 Google Inc. All rights reserved. 2 * Copyright (C) 2010 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 13 matching lines...) Expand all
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 FileReader_h 31 #ifndef FileReader_h
32 #define FileReader_h 32 #define FileReader_h
33 33
34 #include "bindings/core/v8/ActiveScriptWrappable.h"
34 #include "core/CoreExport.h" 35 #include "core/CoreExport.h"
35 #include "core/dom/ActiveDOMObject.h" 36 #include "core/dom/ActiveDOMObject.h"
36 #include "core/events/EventTarget.h" 37 #include "core/events/EventTarget.h"
37 #include "core/fileapi/FileError.h" 38 #include "core/fileapi/FileError.h"
38 #include "core/fileapi/FileReaderLoader.h" 39 #include "core/fileapi/FileReaderLoader.h"
39 #include "core/fileapi/FileReaderLoaderClient.h" 40 #include "core/fileapi/FileReaderLoaderClient.h"
40 #include "platform/heap/Handle.h" 41 #include "platform/heap/Handle.h"
41 #include "wtf/Forward.h" 42 #include "wtf/Forward.h"
42 #include "wtf/RefCounted.h" 43 #include "wtf/RefCounted.h"
43 44
44 namespace blink { 45 namespace blink {
45 46
46 class Blob; 47 class Blob;
47 class DOMArrayBuffer; 48 class DOMArrayBuffer;
48 class ExceptionState; 49 class ExceptionState;
49 class ExecutionContext; 50 class ExecutionContext;
50 class StringOrArrayBuffer; 51 class StringOrArrayBuffer;
51 52
52 class CORE_EXPORT FileReader final : public RefCountedGarbageCollectedEventTarge tWithInlineData<FileReader>, public ActiveDOMObject, public FileReaderLoaderClie nt { 53 class CORE_EXPORT FileReader final : public RefCountedGarbageCollectedEventTarge tWithInlineData<FileReader>, public ActiveScriptWrappable, public ActiveDOMObjec t, public FileReaderLoaderClient {
53 DEFINE_WRAPPERTYPEINFO(); 54 DEFINE_WRAPPERTYPEINFO();
54 REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(FileReader); 55 REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(FileReader);
55 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(FileReader); 56 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(FileReader);
56 public: 57 public:
57 static FileReader* create(ExecutionContext*); 58 static FileReader* create(ExecutionContext*);
58 59
59 ~FileReader() override; 60 ~FileReader() override;
60 61
61 enum ReadyState { 62 enum ReadyState {
62 EMPTY = 0, 63 EMPTY = 0,
63 LOADING = 1, 64 LOADING = 1,
64 DONE = 2 65 DONE = 2
65 }; 66 };
66 67
67 void readAsArrayBuffer(Blob*, ExceptionState&); 68 void readAsArrayBuffer(Blob*, ExceptionState&);
68 void readAsBinaryString(Blob*, ExceptionState&); 69 void readAsBinaryString(Blob*, ExceptionState&);
69 void readAsText(Blob*, const String& encoding, ExceptionState&); 70 void readAsText(Blob*, const String& encoding, ExceptionState&);
70 void readAsText(Blob*, ExceptionState&); 71 void readAsText(Blob*, ExceptionState&);
71 void readAsDataURL(Blob*, ExceptionState&); 72 void readAsDataURL(Blob*, ExceptionState&);
72 void abort(); 73 void abort();
73 74
74 void doAbort(); 75 void doAbort();
75 76
76 ReadyState getReadyState() const { return m_state; } 77 ReadyState getReadyState() const { return m_state; }
77 FileError* error() { return m_error; } 78 FileError* error() { return m_error; }
78 void result(StringOrArrayBuffer& resultAttribute) const; 79 void result(StringOrArrayBuffer& resultAttribute) const;
79 80
80 // ActiveDOMObject 81 // ActiveDOMObject
81 void stop() override; 82 void stop() override;
82 bool hasPendingActivity() const override; 83
84 // ActiveScriptWrappable
85 bool hasPendingActivity() const final;
83 86
84 // EventTarget 87 // EventTarget
85 const AtomicString& interfaceName() const override; 88 const AtomicString& interfaceName() const override;
86 ExecutionContext* getExecutionContext() const override { return ActiveDOMObj ect::getExecutionContext(); } 89 ExecutionContext* getExecutionContext() const override { return ActiveDOMObj ect::getExecutionContext(); }
87 90
88 // FileReaderLoaderClient 91 // FileReaderLoaderClient
89 void didStartLoading() override; 92 void didStartLoading() override;
90 void didReceiveData() override; 93 void didReceiveData() override;
91 void didFinishLoading() override; 94 void didFinishLoading() override;
92 void didFail(FileError::ErrorCode) override; 95 void didFail(FileError::ErrorCode) override;
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130 133
131 OwnPtr<FileReaderLoader> m_loader; 134 OwnPtr<FileReaderLoader> m_loader;
132 Member<FileError> m_error; 135 Member<FileError> m_error;
133 double m_lastProgressNotificationTimeMS; 136 double m_lastProgressNotificationTimeMS;
134 int m_asyncOperationId; 137 int m_asyncOperationId;
135 }; 138 };
136 139
137 } // namespace blink 140 } // namespace blink
138 141
139 #endif // FileReader_h 142 #endif // FileReader_h
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