1 | /* |
2 | * Copyright (C) 2017-2018 Apple 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 |
6 | * are met: |
7 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #pragma once |
27 | |
28 | #include "CallTracerTypes.h" |
29 | #include <JavaScriptCore/InspectorProtocolObjects.h> |
30 | #include <JavaScriptCore/ScriptCallFrame.h> |
31 | #include <JavaScriptCore/ScriptCallStack.h> |
32 | #include <wtf/Variant.h> |
33 | #include <wtf/Vector.h> |
34 | #include <wtf/text/WTFString.h> |
35 | |
36 | namespace WebCore { |
37 | |
38 | class CanvasGradient; |
39 | class CanvasPattern; |
40 | class CanvasRenderingContext; |
41 | class HTMLCanvasElement; |
42 | class HTMLImageElement; |
43 | class HTMLVideoElement; |
44 | class ImageBitmap; |
45 | class ImageData; |
46 | #if ENABLE(CSS_TYPED_OM) |
47 | class TypedOMCSSImageValue; |
48 | #endif |
49 | |
50 | typedef String ErrorString; |
51 | |
52 | class InspectorCanvas final : public RefCounted<InspectorCanvas> { |
53 | public: |
54 | static Ref<InspectorCanvas> create(CanvasRenderingContext&); |
55 | |
56 | const String& identifier() { return m_identifier; } |
57 | CanvasRenderingContext& context() { return m_context; } |
58 | |
59 | HTMLCanvasElement* canvasElement(); |
60 | |
61 | void canvasChanged(); |
62 | |
63 | void resetRecordingData(); |
64 | bool hasRecordingData() const; |
65 | bool currentFrameHasData() const; |
66 | void recordAction(const String&, Vector<RecordCanvasActionVariant>&& = { }); |
67 | |
68 | Ref<JSON::ArrayOf<Inspector::Protocol::Recording::Frame>> releaseFrames() { return m_frames.releaseNonNull(); } |
69 | |
70 | void finalizeFrame(); |
71 | void markCurrentFrameIncomplete(); |
72 | |
73 | void setRecordingName(const String& name) { m_recordingName = name; } |
74 | |
75 | void setBufferLimit(long); |
76 | bool hasBufferSpace() const; |
77 | long bufferUsed() const { return m_bufferUsed; } |
78 | |
79 | void setFrameCount(long); |
80 | bool overFrameCount() const; |
81 | |
82 | Ref<Inspector::Protocol::Canvas::Canvas> buildObjectForCanvas(bool captureBacktrace); |
83 | Ref<Inspector::Protocol::Recording::Recording> releaseObjectForRecording(); |
84 | |
85 | String getCanvasContentAsDataURL(ErrorString&); |
86 | |
87 | private: |
88 | InspectorCanvas(CanvasRenderingContext&); |
89 | void appendActionSnapshotIfNeeded(); |
90 | |
91 | using DuplicateDataVariant = Variant< |
92 | RefPtr<CanvasGradient>, |
93 | RefPtr<CanvasPattern>, |
94 | RefPtr<HTMLCanvasElement>, |
95 | RefPtr<HTMLImageElement>, |
96 | #if ENABLE(VIDEO) |
97 | RefPtr<HTMLVideoElement>, |
98 | #endif |
99 | RefPtr<ImageData>, |
100 | RefPtr<ImageBitmap>, |
101 | RefPtr<Inspector::ScriptCallStack>, |
102 | #if ENABLE(CSS_TYPED_OM) |
103 | RefPtr<TypedOMCSSImageValue>, |
104 | #endif |
105 | Inspector::ScriptCallFrame, |
106 | String |
107 | >; |
108 | |
109 | int indexForData(DuplicateDataVariant); |
110 | String stringIndexForKey(const String&); |
111 | Ref<Inspector::Protocol::Recording::InitialState> buildInitialState(); |
112 | Ref<JSON::ArrayOf<JSON::Value>> buildAction(const String&, Vector<RecordCanvasActionVariant>&& = { }); |
113 | Ref<JSON::ArrayOf<JSON::Value>> buildArrayForCanvasGradient(const CanvasGradient&); |
114 | Ref<JSON::ArrayOf<JSON::Value>> buildArrayForCanvasPattern(const CanvasPattern&); |
115 | Ref<JSON::ArrayOf<JSON::Value>> buildArrayForImageData(const ImageData&); |
116 | |
117 | String m_identifier; |
118 | CanvasRenderingContext& m_context; |
119 | |
120 | RefPtr<Inspector::Protocol::Recording::InitialState> m_initialState; |
121 | RefPtr<JSON::ArrayOf<Inspector::Protocol::Recording::Frame>> m_frames; |
122 | RefPtr<JSON::ArrayOf<JSON::Value>> m_currentActions; |
123 | RefPtr<JSON::ArrayOf<JSON::Value>> m_lastRecordedAction; |
124 | RefPtr<JSON::ArrayOf<JSON::Value>> m_serializedDuplicateData; |
125 | Vector<DuplicateDataVariant> m_indexedDuplicateData; |
126 | |
127 | String m_recordingName; |
128 | MonotonicTime m_currentFrameStartTime { MonotonicTime::nan() }; |
129 | size_t m_bufferLimit { 100 * 1024 * 1024 }; |
130 | size_t m_bufferUsed { 0 }; |
131 | Optional<size_t> m_frameCount; |
132 | size_t m_framesCaptured { 0 }; |
133 | bool m_contentChanged { false }; |
134 | }; |
135 | |
136 | } // namespace WebCore |
137 | |