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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 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef PendingScript_h | 26 #ifndef PendingScript_h |
27 #define PendingScript_h | 27 #define PendingScript_h |
28 | 28 |
29 #include "core/CoreExport.h" | 29 #include "core/CoreExport.h" |
| 30 #include "core/dom/Element.h" |
30 #include "core/fetch/ResourceOwner.h" | 31 #include "core/fetch/ResourceOwner.h" |
31 #include "core/fetch/ScriptResource.h" | 32 #include "core/fetch/ScriptResource.h" |
32 #include "platform/heap/Handle.h" | 33 #include "platform/heap/Handle.h" |
33 #include "wtf/PassRefPtr.h" | 34 #include "wtf/PassRefPtr.h" |
34 #include "wtf/RefPtr.h" | 35 #include "wtf/RefPtr.h" |
35 #include "wtf/text/TextPosition.h" | 36 #include "wtf/text/TextPosition.h" |
36 | 37 |
37 namespace blink { | 38 namespace blink { |
38 | 39 |
39 class Element; | |
40 class ScriptSourceCode; | 40 class ScriptSourceCode; |
41 class ScriptStreamer; | 41 class ScriptStreamer; |
42 | 42 |
43 // A container for an external script which may be loaded and executed. | 43 // A container for an external script which may be loaded and executed. |
44 // | 44 // |
45 // A ResourcePtr alone does not prevent the underlying Resource | 45 // A ResourcePtr alone does not prevent the underlying Resource |
46 // from purging its data buffer. This class holds a dummy client open for its | 46 // from purging its data buffer. This class holds a dummy client open for its |
47 // lifetime in order to guarantee that the data buffer will not be purged. | 47 // lifetime in order to guarantee that the data buffer will not be purged. |
48 class CORE_EXPORT PendingScript final : public ResourceOwner<ScriptResource> { | 48 class CORE_EXPORT PendingScript final : public NoBaseWillBeGarbageCollectedFinal
ized<PendingScript>, public ResourceOwner<ScriptResource> { |
49 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); | 49 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(PendingScript); |
50 public: | 50 public: |
51 enum Type { | 51 enum Type { |
52 ParsingBlocking, | 52 ParsingBlocking, |
53 Deferred, | 53 Deferred, |
54 Async | 54 Async |
55 }; | 55 }; |
56 | 56 |
57 PendingScript(); | 57 static PassOwnPtrWillBeRawPtr<PendingScript> create(Element* element, Script
Resource* resource) |
58 PendingScript(Element*, ScriptResource*); | 58 { |
59 PendingScript(const PendingScript&); | 59 return adoptPtrWillBeNoop(new PendingScript(element, resource)); |
60 ~PendingScript(); | 60 } |
| 61 ~PendingScript() override; |
61 | 62 |
62 PendingScript& operator=(const PendingScript&); | 63 PendingScript& operator=(const PendingScript&); |
63 | 64 |
64 TextPosition startingPosition() const { return m_startingPosition; } | 65 TextPosition startingPosition() const { return m_startingPosition; } |
65 void setStartingPosition(const TextPosition& position) { m_startingPosition
= position; } | 66 void setStartingPosition(const TextPosition& position) { m_startingPosition
= position; } |
66 | 67 |
67 void watchForLoad(ScriptResourceClient*); | 68 void watchForLoad(ScriptResourceClient*); |
68 void stopWatchingForLoad(ScriptResourceClient*); | 69 void stopWatchingForLoad(ScriptResourceClient*); |
69 | 70 |
70 Element* element() const { return m_element.get(); } | 71 Element* element() const { return m_element.get(); } |
71 void setElement(Element*); | 72 void setElement(Element*); |
72 PassRefPtrWillBeRawPtr<Element> releaseElementAndClear(); | 73 PassRefPtrWillBeRawPtr<Element> releaseElementAndClear(); |
73 | 74 |
74 void setScriptResource(ScriptResource*); | 75 void setScriptResource(ScriptResource*); |
75 | 76 |
76 void notifyFinished(Resource*) override; | 77 void notifyFinished(Resource*) override; |
77 String debugName() const override { return "PendingScript"; } | 78 String debugName() const override { return "PendingScript"; } |
78 void notifyAppendData(ScriptResource*) override; | 79 void notifyAppendData(ScriptResource*) override; |
79 | 80 |
80 DECLARE_TRACE(); | 81 DECLARE_TRACE(); |
81 | 82 |
82 ScriptSourceCode getSource(const KURL& documentURL, bool& errorOccurred) con
st; | 83 ScriptSourceCode getSource(const KURL& documentURL, bool& errorOccurred) con
st; |
83 | 84 |
84 void setStreamer(PassRefPtrWillBeRawPtr<ScriptStreamer>); | 85 void setStreamer(PassRefPtrWillBeRawPtr<ScriptStreamer>); |
85 | 86 |
86 bool isReady() const; | 87 bool isReady() const; |
87 | 88 |
88 private: | 89 private: |
| 90 PendingScript(Element*, ScriptResource*); |
| 91 |
89 bool m_watchingForLoad; | 92 bool m_watchingForLoad; |
90 RefPtrWillBeMember<Element> m_element; | 93 RefPtrWillBeMember<Element> m_element; |
91 TextPosition m_startingPosition; // Only used for inline script tags. | 94 TextPosition m_startingPosition; // Only used for inline script tags. |
92 bool m_integrityFailure; | 95 bool m_integrityFailure; |
93 | 96 |
94 RefPtrWillBeMember<ScriptStreamer> m_streamer; | 97 RefPtrWillBeMember<ScriptStreamer> m_streamer; |
95 }; | 98 }; |
96 | 99 |
97 } // namespace blink | 100 } // namespace blink |
98 | 101 |
99 #endif // PendingScript_h | 102 #endif // PendingScript_h |
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