1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* Copyright (C) 2010 Google, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "AsyncScriptRunner.h"
#include "CachedScript.h"
#include "Document.h"
#include "Element.h"
#include "PendingScript.h"
#include "ScriptElement.h"
namespace WebCore {
AsyncScriptRunner::AsyncScriptRunner(Document* document)
: m_document(document)
, m_timer(this, &AsyncScriptRunner::timerFired)
{
ASSERT(document);
}
AsyncScriptRunner::~AsyncScriptRunner()
{
for (size_t i = 0; i < m_scriptsToExecuteSoon.size(); ++i)
m_document->decrementLoadEventDelayCount();
}
void AsyncScriptRunner::executeScriptSoon(ScriptElement* scriptElement, CachedResourceHandle<CachedScript> cachedScript)
{
ASSERT_ARG(scriptElement, scriptElement);
Element* element = scriptElement->element();
ASSERT(element);
ASSERT(element->inDocument());
m_document->incrementLoadEventDelayCount();
m_scriptsToExecuteSoon.append(PendingScript(element, cachedScript.get()));
if (!m_timer.isActive())
m_timer.startOneShot(0);
}
void AsyncScriptRunner::suspend()
{
m_timer.stop();
}
void AsyncScriptRunner::resume()
{
if (hasPendingScripts())
m_timer.startOneShot(0);
}
void AsyncScriptRunner::timerFired(Timer<AsyncScriptRunner>* timer)
{
ASSERT_UNUSED(timer, timer == &m_timer);
RefPtr<Document> protect(m_document);
Vector<PendingScript> scripts;
scripts.swap(m_scriptsToExecuteSoon);
size_t size = scripts.size();
for (size_t i = 0; i < size; ++i) {
CachedScript* cachedScript = scripts[i].cachedScript();
RefPtr<Element> element = scripts[i].releaseElementAndClear();
toScriptElement(element.get())->execute(cachedScript);
m_document->decrementLoadEventDelayCount();
}
}
}
|
