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 #include "config.h"
32 #include "core/dom/custom/CustomElementMicrotaskImportStep.h"
33
34 #include "core/dom/custom/CustomElementMicrotaskDispatcher.h"
35 #include "core/dom/custom/CustomElementSyncMicrotaskQueue.h"
36 #include "core/html/imports/HTMLImportChild.h"
37 #include "core/html/imports/HTMLImportLoader.h"
38 #include <stdio.h>
39
40 namespace WebCore {
41
create(HTMLImportChild * import)42 PassOwnPtrWillBeRawPtr<CustomElementMicrotaskImportStep> CustomElementMicrotaskImportStep::create(HTMLImportChild* import)
43 {
44 return adoptPtrWillBeNoop(new CustomElementMicrotaskImportStep(import));
45 }
46
CustomElementMicrotaskImportStep(HTMLImportChild * import)47 CustomElementMicrotaskImportStep::CustomElementMicrotaskImportStep(HTMLImportChild* import)
48 #if ENABLE(OILPAN)
49 : m_import(import)
50 #else
51 : m_import(import->weakPtr())
52 , m_weakFactory(this)
53 #endif
54 , m_queue(import->loader()->microtaskQueue())
55 {
56 }
57
~CustomElementMicrotaskImportStep()58 CustomElementMicrotaskImportStep::~CustomElementMicrotaskImportStep()
59 {
60 }
61
parentWasChanged()62 void CustomElementMicrotaskImportStep::parentWasChanged()
63 {
64 m_queue = CustomElementSyncMicrotaskQueue::create();
65 m_import.clear();
66 }
67
shouldWaitForImport() const68 bool CustomElementMicrotaskImportStep::shouldWaitForImport() const
69 {
70 return m_import && !m_import->loader()->isDone();
71 }
72
didUpgradeAllCustomElements()73 void CustomElementMicrotaskImportStep::didUpgradeAllCustomElements()
74 {
75 ASSERT(m_queue);
76 if (m_import)
77 m_import->didFinishUpgradingCustomElements();
78 }
79
process()80 CustomElementMicrotaskStep::Result CustomElementMicrotaskImportStep::process()
81 {
82 m_queue->dispatch();
83 if (!m_queue->isEmpty() || shouldWaitForImport())
84 return Processing;
85
86 didUpgradeAllCustomElements();
87 return FinishedProcessing;
88 }
89
trace(Visitor * visitor)90 void CustomElementMicrotaskImportStep::trace(Visitor* visitor)
91 {
92 visitor->trace(m_import);
93 visitor->trace(m_queue);
94 CustomElementMicrotaskStep::trace(visitor);
95 }
96
97 #if !defined(NDEBUG)
show(unsigned indent)98 void CustomElementMicrotaskImportStep::show(unsigned indent)
99 {
100 fprintf(stderr, "%*sImport(wait=%d sync=%d, url=%s)\n", indent, "", shouldWaitForImport(), m_import && m_import->isSync(), m_import ? m_import->url().string().utf8().data() : "null");
101 m_queue->show(indent + 1);
102 }
103 #endif
104
105 } // namespace WebCore
106