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
|
// Copyright (c) 2009 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.
#ifndef CHROME_COMMON_CHILD_PROCESS_INFO_H_
#define CHROME_COMMON_CHILD_PROCESS_INFO_H_
#include <list>
#include <string>
#include "base/basictypes.h"
#include "base/process.h"
class ChildProcessInfo;
// Holds information about a child process. Plugins/workers and other child
// processes that live on the IO thread derive from this.
class ChildProcessInfo {
public:
enum ProcessType {
BROWSER_PROCESS,
RENDER_PROCESS,
PLUGIN_PROCESS,
WORKER_PROCESS,
UNKNOWN_PROCESS,
};
// Returns the type of the process.
ProcessType type() const { return type_; }
// Returns the name of the process. i.e. for plugins it might be Flash, while
// for workers it might be the domain that it's from.
std::wstring name() const { return name_; }
// Getter to the process.
base::Process& process() { return process_; }
// Returns an English name of the process type, should only be used for non
// user-visible strings, or debugging pages like about:memory.
static std::wstring GetTypeNameInEnglish(ProcessType type);
// Returns a localized title for the child process. For example, a plugin
// process would be "Plug-in: Flash" when name is "Flash".
std::wstring GetLocalizedTitle() const;
ChildProcessInfo(const ChildProcessInfo& original) {
type_ = original.type_;
name_ = original.name_;
process_ = original.process_;
}
ChildProcessInfo& operator=(const ChildProcessInfo& original) {
if (&original != this) {
type_ = original.type_;
name_ = original.name_;
process_ = original.process_;
}
return *this;
}
~ChildProcessInfo();
// We define the < operator so that the ChildProcessInfo can be used as a key
// in a std::map.
bool operator <(const ChildProcessInfo& rhs) const {
if (process_.handle() != rhs.process_.handle())
return process_ .handle() < rhs.process_.handle();
return name_ < rhs.name_;
}
bool operator ==(const ChildProcessInfo& rhs) const {
return (process_.handle() == rhs.process_.handle()) && (name_ == rhs.name_);
}
// The Iterator class allows iteration through either all child processes, or
// ones of a specific type, depending on which constructor is used. Note that
// this should be done from the IO thread and that the iterator should not be
// kept around as it may be invalidated on subsequent event processing in the
// event loop.
class Iterator {
public:
Iterator();
Iterator(ProcessType type);
ChildProcessInfo* operator->() { return *iterator_; }
ChildProcessInfo* operator*() { return *iterator_; }
ChildProcessInfo* operator++();
bool Done();
private:
bool all_;
ProcessType type_;
std::list<ChildProcessInfo*>::iterator iterator_;
};
protected:
void set_type(ProcessType type) { type_ = type; }
void set_name(const std::wstring& name) { name_ = name; }
// Derived objects need to use this constructor so we know what type we are.
ChildProcessInfo(ProcessType type);
private:
// By making the constructor private, we can ensure that ChildProcessInfo
// objects can only be created by creating objects derived from them (i.e.
// PluginProcessHost) or by using the copy constructor or assignment operator
// to create an object from the former.
ChildProcessInfo() { }
ProcessType type_;
std::wstring name_;
// The handle to the process.
base::Process process_;
};
#endif // CHROME_COMMON_CHILD_PROCESS_INFO_H_
|
