File: V8DOMActivityLogger.cpp

package info (click to toggle)
chromium-browser 41.0.2272.118-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie-kfreebsd
  • size: 2,189,132 kB
  • sloc: cpp: 9,691,462; ansic: 3,341,451; python: 712,689; asm: 518,779; xml: 208,926; java: 169,820; sh: 119,353; perl: 68,907; makefile: 28,311; yacc: 13,305; objc: 11,385; tcl: 3,186; cs: 2,225; sql: 2,217; lex: 2,215; lisp: 1,349; pascal: 1,256; awk: 407; ruby: 155; sed: 53; php: 14; exp: 11
file content (112 lines) | stat: -rw-r--r-- 3,671 bytes parent folder | download
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
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "config.h"
#include "bindings/core/v8/V8DOMActivityLogger.h"

#include "bindings/core/v8/V8Binding.h"
#include "platform/weborigin/KURL.h"
#include "wtf/HashMap.h"
#include "wtf/MainThread.h"
#include "wtf/text/StringHash.h"

namespace blink {

typedef HashMap<String, OwnPtr<V8DOMActivityLogger> > DOMActivityLoggerMapForMainWorld;
typedef HashMap<int, OwnPtr<V8DOMActivityLogger>, WTF::IntHash<int>, WTF::UnsignedWithZeroKeyHashTraits<int> > DOMActivityLoggerMapForIsolatedWorld;

static DOMActivityLoggerMapForMainWorld& domActivityLoggersForMainWorld()
{
    ASSERT(isMainThread());
    DEFINE_STATIC_LOCAL(DOMActivityLoggerMapForMainWorld, map, ());
    return map;
}

static DOMActivityLoggerMapForIsolatedWorld& domActivityLoggersForIsolatedWorld()
{
    ASSERT(isMainThread());
    DEFINE_STATIC_LOCAL(DOMActivityLoggerMapForIsolatedWorld, map, ());
    return map;
}

void V8DOMActivityLogger::setActivityLogger(int worldId, const String& extensionId, PassOwnPtr<V8DOMActivityLogger> logger)
{
    if (worldId)
        domActivityLoggersForIsolatedWorld().set(worldId, logger);
    else
        domActivityLoggersForMainWorld().set(extensionId, logger);
}

V8DOMActivityLogger* V8DOMActivityLogger::activityLogger(int worldId, const String& extensionId)
{
    if (worldId) {
        DOMActivityLoggerMapForIsolatedWorld& loggers = domActivityLoggersForIsolatedWorld();
        DOMActivityLoggerMapForIsolatedWorld::iterator it = loggers.find(worldId);
        return it == loggers.end() ? 0 : it->value.get();
    }

    if (extensionId.isEmpty())
        return 0;

    DOMActivityLoggerMapForMainWorld& loggers = domActivityLoggersForMainWorld();
    DOMActivityLoggerMapForMainWorld::iterator it = loggers.find(extensionId);
    return it == loggers.end() ? 0 : it->value.get();
}

V8DOMActivityLogger* V8DOMActivityLogger::activityLogger(int worldId, const KURL& url)
{
    // extension ID is ignored for worldId != 0.
    if (worldId)
        return activityLogger(worldId, String());

    // To find an activity logger that corresponds to the main world of an
    // extension, we need to obtain the extension ID. Extension ID is a hostname
    // of a background page's URL.
    if (!url.protocolIs("chrome-extension"))
        return 0;

    return activityLogger(worldId, url.host());
}

V8DOMActivityLogger* V8DOMActivityLogger::currentActivityLogger()
{
    v8::Isolate* isolate = v8::Isolate::GetCurrent();
    if (!isolate->InContext())
        return 0;

    v8::HandleScope handleScope(isolate);
    v8::Handle<v8::Context> context = isolate->GetCurrentContext();
    if (context.IsEmpty() || !toDOMWindow(context))
        return 0;

    V8PerContextData* contextData = ScriptState::from(context)->perContextData();
    if (!contextData)
        return 0;

    return contextData->activityLogger();
}

V8DOMActivityLogger* V8DOMActivityLogger::currentActivityLoggerIfIsolatedWorld()
{
    v8::Isolate* isolate = v8::Isolate::GetCurrent();
    if (!isolate->InContext())
        return 0;

    v8::HandleScope handleScope(isolate);
    v8::Handle<v8::Context> context = isolate->GetCurrentContext();
    if (context.IsEmpty() || !toDOMWindow(context))
        return 0;

    ScriptState* scriptState = ScriptState::from(context);
    if (!scriptState->world().isIsolatedWorld())
        return 0;

    V8PerContextData* contextData = scriptState->perContextData();
    if (!contextData)
        return 0;

    return contextData->activityLogger();
}

} // namespace blink