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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/*
* Copyright (C) 2012 Adobe Systems Incorporated. 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 THE COPYRIGHT HOLDER "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 THE COPYRIGHT HOLDER 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 "WebKitNamedFlowCollection.h"
#include "Document.h"
#include "InspectorInstrumentation.h"
#include "WebKitNamedFlow.h"
#include <wtf/text/StringHash.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
WebKitNamedFlowCollection::WebKitNamedFlowCollection(Document* doc)
: m_document(doc)
{
}
Vector<RefPtr<WebKitNamedFlow> > WebKitNamedFlowCollection::namedFlows()
{
Vector<RefPtr<WebKitNamedFlow> > namedFlows;
for (NamedFlowSet::iterator it = m_namedFlows.begin(); it != m_namedFlows.end(); ++it) {
if ((*it)->flowState() == WebKitNamedFlow::FlowStateNull)
continue;
namedFlows.append(RefPtr<WebKitNamedFlow>(*it));
}
return namedFlows;
}
WebKitNamedFlow* WebKitNamedFlowCollection::flowByName(const String& flowName)
{
NamedFlowSet::iterator it = m_namedFlows.find<String, NamedFlowHashTranslator>(flowName);
if (it == m_namedFlows.end() || (*it)->flowState() == WebKitNamedFlow::FlowStateNull)
return 0;
return *it;
}
PassRefPtr<WebKitNamedFlow> WebKitNamedFlowCollection::ensureFlowWithName(const String& flowName)
{
NamedFlowSet::iterator it = m_namedFlows.find<String, NamedFlowHashTranslator>(flowName);
if (it != m_namedFlows.end()) {
WebKitNamedFlow* namedFlow = *it;
ASSERT(namedFlow->flowState() == WebKitNamedFlow::FlowStateNull);
return namedFlow;
}
RefPtr<WebKitNamedFlow> newFlow = WebKitNamedFlow::create(this, flowName);
m_namedFlows.add(newFlow.get());
InspectorInstrumentation::didCreateNamedFlow(m_document, newFlow->name());
return newFlow.release();
}
void WebKitNamedFlowCollection::discardNamedFlow(WebKitNamedFlow* namedFlow)
{
// The document is not valid anymore so the collection will be destroyed anyway.
if (!m_document)
return;
ASSERT(namedFlow->flowState() == WebKitNamedFlow::FlowStateNull);
ASSERT(m_namedFlows.contains(namedFlow));
m_namedFlows.remove(namedFlow);
InspectorInstrumentation::didRemoveNamedFlow(m_document, namedFlow->name());
}
void WebKitNamedFlowCollection::documentDestroyed()
{
m_document = 0;
}
// The HashFunctions object used by the HashSet to compare between NamedFlows.
// It is safe to set safeToCompareToEmptyOrDeleted because the HashSet will never contain null pointers or deleted values.
struct WebKitNamedFlowCollection::NamedFlowHashFunctions {
static unsigned hash(WebKitNamedFlow* key) { return DefaultHash<String>::Hash::hash(key->name()); }
static bool equal(WebKitNamedFlow* a, WebKitNamedFlow* b) { return a->name() == b->name(); }
static const bool safeToCompareToEmptyOrDeleted = true;
};
// The HashTranslator is used to lookup a NamedFlow in the set using a name.
struct WebKitNamedFlowCollection::NamedFlowHashTranslator {
static unsigned hash(const String& key) { return DefaultHash<String>::Hash::hash(key); }
static bool equal(WebKitNamedFlow* a, const String& b) { return a->name() == b; }
};
} // namespace WebCore
|
