extensions/common/extension_set.cc


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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155

// Copyright 2013 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 "extensions/common/extension_set.h"

#include "base/callback.h"
#include "base/logging.h"
#include "base/stl_util.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension.h"
#include "extensions/common/manifest_handlers/sandboxed_page_info.h"

namespace extensions {

ExtensionSet::const_iterator::const_iterator() {}

ExtensionSet::const_iterator::const_iterator(const const_iterator& other)
    : it_(other.it_) {
}

ExtensionSet::const_iterator::const_iterator(ExtensionMap::const_iterator it)
    : it_(it) {
}

ExtensionSet::const_iterator::~const_iterator() {}

ExtensionSet::ExtensionSet() {
}

ExtensionSet::~ExtensionSet() {
}

size_t ExtensionSet::size() const {
  return extensions_.size();
}

bool ExtensionSet::is_empty() const {
  return extensions_.empty();
}

bool ExtensionSet::Contains(const std::string& extension_id) const {
  return extensions_.find(extension_id) != extensions_.end();
}

bool ExtensionSet::Insert(const scoped_refptr<const Extension>& extension) {
  bool was_present = ContainsKey(extensions_, extension->id());
  extensions_[extension->id()] = extension;
  if (!was_present && !modification_callback_.is_null())
    modification_callback_.Run(GetIDs());
  return !was_present;
}

bool ExtensionSet::InsertAll(const ExtensionSet& extensions) {
  size_t before = size();
  for (ExtensionSet::const_iterator iter = extensions.begin();
       iter != extensions.end(); ++iter) {
    Insert(*iter);
  }
  return size() != before;
}

bool ExtensionSet::Remove(const std::string& id) {
  bool was_present = extensions_.erase(id) > 0;
  if (was_present && !modification_callback_.is_null())
    modification_callback_.Run(GetIDs());
  return was_present;
}

void ExtensionSet::Clear() {
  extensions_.clear();
}

std::string ExtensionSet::GetExtensionOrAppIDByURL(const GURL& url) const {
  if (url.SchemeIs(kExtensionScheme))
    return url.host();

  const Extension* extension = GetHostedAppByURL(url);
  if (!extension)
    return std::string();

  return extension->id();
}

const Extension* ExtensionSet::GetExtensionOrAppByURL(const GURL& url) const {
  if (url.SchemeIs(kExtensionScheme))
    return GetByID(url.host());

  return GetHostedAppByURL(url);
}

const Extension* ExtensionSet::GetAppByURL(const GURL& url) const {
  const Extension* extension = GetExtensionOrAppByURL(url);
  return (extension && extension->is_app()) ? extension : NULL;
}

const Extension* ExtensionSet::GetHostedAppByURL(const GURL& url) const {
  for (ExtensionMap::const_iterator iter = extensions_.begin();
       iter != extensions_.end(); ++iter) {
    if (iter->second->web_extent().MatchesURL(url))
      return iter->second.get();
  }

  return NULL;
}

const Extension* ExtensionSet::GetHostedAppByOverlappingWebExtent(
    const URLPatternSet& extent) const {
  for (ExtensionMap::const_iterator iter = extensions_.begin();
       iter != extensions_.end(); ++iter) {
    if (iter->second->web_extent().OverlapsWith(extent))
      return iter->second.get();
  }

  return NULL;
}

bool ExtensionSet::InSameExtent(const GURL& old_url,
                                const GURL& new_url) const {
  return GetExtensionOrAppByURL(old_url) ==
      GetExtensionOrAppByURL(new_url);
}

const Extension* ExtensionSet::GetByID(const std::string& id) const {
  ExtensionMap::const_iterator i = extensions_.find(id);
  if (i != extensions_.end())
    return i->second.get();
  else
    return NULL;
}

ExtensionIdSet ExtensionSet::GetIDs() const {
  ExtensionIdSet ids;
  for (ExtensionMap::const_iterator it = extensions_.begin();
       it != extensions_.end(); ++it) {
    ids.insert(it->first);
  }
  return ids;
}

bool ExtensionSet::ExtensionBindingsAllowed(const GURL& url) const {
  if (url.SchemeIs(kExtensionScheme))
    return true;

  for (ExtensionMap::const_iterator it = extensions_.begin();
       it != extensions_.end(); ++it) {
    if (it->second->location() == Manifest::COMPONENT &&
        it->second->web_extent().MatchesURL(url))
      return true;
  }

  return false;
}

}  // namespace extensions