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1 /* | |
2 * Copyright (C) 2013 Google 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 * | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * 3. Neither the name of Google Inc. nor the names of its contributors | |
15 * may be used to endorse or promote products derived from this | |
16 * software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
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. | |
29 */ | |
30 | |
31 #ifndef CustomElementMicrotaskImportStep_h | |
32 #define CustomElementMicrotaskImportStep_h | |
33 | |
34 #include "core/dom/custom/CustomElementMicrotaskStep.h" | |
35 #include "platform/heap/Handle.h" | |
36 | |
37 namespace blink { | |
38 | |
39 class CustomElementSyncMicrotaskQueue; | |
40 class HTMLImportChild; | |
41 | |
42 // Processes the Custom Elements in an HTML Import. This is a | |
43 // composite step which processes the Custom Elements created by | |
44 // parsing the import, and its sub-imports. | |
45 // | |
46 // This step blocks further Custom Element microtask processing if its | |
47 // import isn't "ready" (finished parsing and running script.) | |
48 class CustomElementMicrotaskImportStep final : public CustomElementMicrotaskStep
{ | |
49 public: | |
50 static CustomElementMicrotaskImportStep* create(HTMLImportChild* import) | |
51 { | |
52 return new CustomElementMicrotaskImportStep(import); | |
53 } | |
54 | |
55 ~CustomElementMicrotaskImportStep() override; | |
56 | |
57 // API for HTML Imports | |
58 void invalidate(); | |
59 void importDidFinishLoading(); | |
60 | |
61 DECLARE_VIRTUAL_TRACE(); | |
62 | |
63 private: | |
64 explicit CustomElementMicrotaskImportStep(HTMLImportChild*); | |
65 | |
66 void didUpgradeAllCustomElements(); | |
67 bool shouldWaitForImport() const; | |
68 | |
69 // CustomElementMicrotaskStep | |
70 Result process() final; | |
71 | |
72 #if !defined(NDEBUG) | |
73 void show(unsigned indent) override; | |
74 #endif | |
75 WeakMember<HTMLImportChild> m_import; | |
76 Member<CustomElementSyncMicrotaskQueue> m_queue; | |
77 }; | |
78 | |
79 } // namespace blink | |
80 | |
81 #endif // CustomElementMicrotaskImportStep_h | |
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