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Side by Side Diff: sky/engine/core/html/canvas/DataView.h

Issue 922893002: Merge the Sky Engine changes from the SkyDart branch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 10 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 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 7 *
8 * 1. Redistributions of source code must retain the above copyright 8 * 1. 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 * 2. Redistributions in binary form must reproduce the above copyright 10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the 11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution. 12 * documentation and/or other materials provided with the distribution.
13 * 13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */ 24 */
25 25
26 #ifndef SKY_ENGINE_CORE_HTML_CANVAS_DATAVIEW_H_ 26 #ifndef SKY_ENGINE_CORE_HTML_CANVAS_DATAVIEW_H_
27 #define SKY_ENGINE_CORE_HTML_CANVAS_DATAVIEW_H_ 27 #define SKY_ENGINE_CORE_HTML_CANVAS_DATAVIEW_H_
28 28
29 #include "sky/engine/bindings/core/v8/ScriptWrappable.h" 29 #include "sky/engine/tonic/dart_wrappable.h"
30 #include "sky/engine/wtf/ArrayBufferView.h" 30 #include "sky/engine/wtf/ArrayBufferView.h"
31 #include "sky/engine/wtf/PassRefPtr.h" 31 #include "sky/engine/wtf/PassRefPtr.h"
32 32
33 namespace blink { 33 namespace blink {
34 34
35 class ExceptionState; 35 class ExceptionState;
36 36
37 class DataView final : public ArrayBufferView, public ScriptWrappable { 37 class DataView final : public ArrayBufferView {
38 DEFINE_WRAPPERTYPEINFO();
39 public: 38 public:
40 static PassRefPtr<DataView> create(unsigned length); 39 static PassRefPtr<DataView> create(unsigned length);
41 static PassRefPtr<DataView> create(PassRefPtr<ArrayBuffer>, unsigned byteOff set, unsigned byteLength); 40 static PassRefPtr<DataView> create(PassRefPtr<ArrayBuffer>, unsigned byteOff set, unsigned byteLength);
42 41
43 virtual unsigned byteLength() const override { return m_byteLength; } 42 virtual unsigned byteLength() const override { return m_byteLength; }
44 43
45 int8_t getInt8(unsigned byteOffset, ExceptionState&); 44 int8_t getInt8(unsigned byteOffset, ExceptionState&);
46 uint8_t getUint8(unsigned byteOffset, ExceptionState&); 45 uint8_t getUint8(unsigned byteOffset, ExceptionState&);
47 int16_t getInt16(unsigned byteOffset, ExceptionState& ec) { return getInt16( byteOffset, false, ec); } 46 int16_t getInt16(unsigned byteOffset, ExceptionState& ec) { return getInt16( byteOffset, false, ec); }
48 int16_t getInt16(unsigned byteOffset, bool littleEndian, ExceptionState&); 47 int16_t getInt16(unsigned byteOffset, bool littleEndian, ExceptionState&);
(...skipping 21 matching lines...) Expand all
70 void setFloat32(unsigned byteOffset, float value, ExceptionState& ec) { setF loat32(byteOffset, value, false, ec); } 69 void setFloat32(unsigned byteOffset, float value, ExceptionState& ec) { setF loat32(byteOffset, value, false, ec); }
71 void setFloat32(unsigned byteOffset, float value, bool littleEndian, Excepti onState&); 70 void setFloat32(unsigned byteOffset, float value, bool littleEndian, Excepti onState&);
72 void setFloat64(unsigned byteOffset, double value, ExceptionState& ec) { set Float64(byteOffset, value, false, ec); } 71 void setFloat64(unsigned byteOffset, double value, ExceptionState& ec) { set Float64(byteOffset, value, false, ec); }
73 void setFloat64(unsigned byteOffset, double value, bool littleEndian, Except ionState&); 72 void setFloat64(unsigned byteOffset, double value, bool littleEndian, Except ionState&);
74 73
75 virtual ViewType type() const override 74 virtual ViewType type() const override
76 { 75 {
77 return TypeDataView; 76 return TypeDataView;
78 } 77 }
79 78
80 virtual v8::Handle<v8::Object> wrap(v8::Handle<v8::Object> creationContext, v8::Isolate*) override;
81
82 protected: 79 protected:
83 virtual void neuter() override; 80 virtual void neuter() override;
84 81
85 private: 82 private:
86 DataView(PassRefPtr<ArrayBuffer>, unsigned byteOffset, unsigned byteLength); 83 DataView(PassRefPtr<ArrayBuffer>, unsigned byteOffset, unsigned byteLength);
87 84
88 template<typename T> 85 template<typename T>
89 inline bool beyondRange(unsigned byteOffset) const { return byteOffset >= m_ byteLength || byteOffset + sizeof(T) > m_byteLength; } 86 inline bool beyondRange(unsigned byteOffset) const { return byteOffset >= m_ byteLength || byteOffset + sizeof(T) > m_byteLength; }
90 87
91 template<typename T> 88 template<typename T>
92 T getData(unsigned byteOffset, bool littleEndian, ExceptionState&) const; 89 T getData(unsigned byteOffset, bool littleEndian, ExceptionState&) const;
93 90
94 template<typename T> 91 template<typename T>
95 void setData(unsigned byteOffset, T value, bool littleEndian, ExceptionState &); 92 void setData(unsigned byteOffset, T value, bool littleEndian, ExceptionState &);
96 93
97 unsigned m_byteLength; 94 unsigned m_byteLength;
98 }; 95 };
99 96
100 } // namespace blink 97 } // namespace blink
101 98
102 #endif // SKY_ENGINE_CORE_HTML_CANVAS_DATAVIEW_H_ 99 #endif // SKY_ENGINE_CORE_HTML_CANVAS_DATAVIEW_H_
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