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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
// Copyright (c) 2012 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 "chrome/browser/extensions/extension_action_manager.h"
#include "chrome/browser/extensions/api/system_indicator/system_indicator_manager_factory.h"
#include "chrome/browser/extensions/extension_action.h"
#include "chrome/browser/profiles/profile.h"
#include "components/keyed_service/content/browser_context_dependency_manager.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_system.h"
#include "extensions/browser/extensions_browser_client.h"
#include "extensions/common/constants.h"
#include "extensions/common/manifest_handlers/icons_handler.h"
namespace extensions {
namespace {
// BrowserContextKeyedServiceFactory for ExtensionActionManager.
class ExtensionActionManagerFactory : public BrowserContextKeyedServiceFactory {
public:
// BrowserContextKeyedServiceFactory implementation:
static ExtensionActionManager* GetForBrowserContext(
content::BrowserContext* context) {
return static_cast<ExtensionActionManager*>(
GetInstance()->GetServiceForBrowserContext(context, true));
}
static ExtensionActionManagerFactory* GetInstance();
private:
friend struct DefaultSingletonTraits<ExtensionActionManagerFactory>;
ExtensionActionManagerFactory()
: BrowserContextKeyedServiceFactory(
"ExtensionActionManager",
BrowserContextDependencyManager::GetInstance()) {
}
KeyedService* BuildServiceInstanceFor(
content::BrowserContext* profile) const override {
return new ExtensionActionManager(static_cast<Profile*>(profile));
}
content::BrowserContext* GetBrowserContextToUse(
content::BrowserContext* context) const override {
return ExtensionsBrowserClient::Get()->GetOriginalContext(context);
}
};
ExtensionActionManagerFactory*
ExtensionActionManagerFactory::GetInstance() {
return Singleton<ExtensionActionManagerFactory>::get();
}
} // namespace
ExtensionActionManager::ExtensionActionManager(Profile* profile)
: profile_(profile), extension_registry_observer_(this) {
CHECK_EQ(profile, profile->GetOriginalProfile())
<< "Don't instantiate this with an incognito profile.";
extension_registry_observer_.Add(ExtensionRegistry::Get(profile_));
}
ExtensionActionManager::~ExtensionActionManager() {
// Don't assert that the ExtensionAction maps are empty because Extensions are
// sometimes (only in tests?) not unloaded before the Profile is destroyed.
}
ExtensionActionManager* ExtensionActionManager::Get(
content::BrowserContext* context) {
return ExtensionActionManagerFactory::GetForBrowserContext(context);
}
void ExtensionActionManager::OnExtensionUnloaded(
content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionInfo::Reason reason) {
page_actions_.erase(extension->id());
browser_actions_.erase(extension->id());
system_indicators_.erase(extension->id());
}
namespace {
// Loads resources missing from |action| (i.e. title, icons) from the "icons"
// key of |extension|'s manifest.
void PopulateMissingValues(const Extension& extension,
ExtensionAction* action) {
// If the title is missing from |action|, set it to |extension|'s name.
if (action->GetTitle(ExtensionAction::kDefaultTabId).empty())
action->SetTitle(ExtensionAction::kDefaultTabId, extension.name());
scoped_ptr<ExtensionIconSet> default_icon(new ExtensionIconSet());
if (action->default_icon())
*default_icon = *action->default_icon();
const ExtensionIconSet& extension_icons = IconsInfo::GetIcons(&extension);
std::string largest_icon = extension_icons.Get(
extension_misc::EXTENSION_ICON_GIGANTOR,
ExtensionIconSet::MATCH_SMALLER);
if (!largest_icon.empty()) {
int largest_icon_size = extension_icons.GetIconSizeFromPath(largest_icon);
// Replace any missing extension action icons with the largest icon
// retrieved from |extension|'s manifest so long as the largest icon is
// larger than the current key.
for (int i = extension_misc::kNumExtensionActionIconSizes - 1;
i >= 0; --i) {
int size = extension_misc::kExtensionActionIconSizes[i].size;
if (default_icon->Get(size, ExtensionIconSet::MATCH_BIGGER).empty()
&& largest_icon_size > size) {
default_icon->Add(size, largest_icon);
break;
}
}
action->set_default_icon(default_icon.Pass());
}
}
// Returns map[extension_id] if that entry exists. Otherwise, if
// action_info!=NULL, creates an ExtensionAction from it, fills in the map, and
// returns that. Otherwise (action_info==NULL), returns NULL.
ExtensionAction* GetOrCreateOrNull(
std::map<std::string, linked_ptr<ExtensionAction> >* map,
const Extension& extension,
ActionInfo::Type action_type,
const ActionInfo* action_info,
Profile* profile) {
std::map<std::string, linked_ptr<ExtensionAction> >::const_iterator it =
map->find(extension.id());
if (it != map->end())
return it->second.get();
if (!action_info)
return NULL;
// Only create action info for enabled extensions.
// This avoids bugs where actions are recreated just after being removed
// in response to OnExtensionUnloaded().
if (!ExtensionRegistry::Get(profile)
->enabled_extensions().Contains(extension.id())) {
return NULL;
}
linked_ptr<ExtensionAction> action(new ExtensionAction(
extension.id(), action_type, *action_info));
(*map)[extension.id()] = action;
PopulateMissingValues(extension, action.get());
return action.get();
}
} // namespace
ExtensionAction* ExtensionActionManager::GetPageAction(
const Extension& extension) const {
return GetOrCreateOrNull(&page_actions_, extension,
ActionInfo::TYPE_PAGE,
ActionInfo::GetPageActionInfo(&extension),
profile_);
}
ExtensionAction* ExtensionActionManager::GetBrowserAction(
const Extension& extension) const {
return GetOrCreateOrNull(&browser_actions_, extension,
ActionInfo::TYPE_BROWSER,
ActionInfo::GetBrowserActionInfo(&extension),
profile_);
}
scoped_ptr<ExtensionAction> ExtensionActionManager::GetBestFitAction(
const Extension& extension,
ActionInfo::Type type) const {
const ActionInfo* info = ActionInfo::GetBrowserActionInfo(&extension);
if (!info)
info = ActionInfo::GetPageActionInfo(&extension);
// Create a new ExtensionAction of |type| with |extension|'s ActionInfo.
// If no ActionInfo exists for |extension|, create and return a new action
// with a blank ActionInfo.
// Populate any missing values from |extension|'s manifest.
scoped_ptr<ExtensionAction> new_action(new ExtensionAction(
extension.id(), type, info ? *info : ActionInfo()));
PopulateMissingValues(extension, new_action.get());
return new_action.Pass();
}
ExtensionAction* ExtensionActionManager::GetSystemIndicator(
const Extension& extension) const {
// If it does not already exist, create the SystemIndicatorManager for the
// given profile. This could return NULL if the system indicator area is
// unavailable on the current system. If so, return NULL to signal that
// the system indicator area is unusable.
if (!SystemIndicatorManagerFactory::GetForProfile(profile_))
return NULL;
return GetOrCreateOrNull(&system_indicators_, extension,
ActionInfo::TYPE_SYSTEM_INDICATOR,
ActionInfo::GetSystemIndicatorInfo(&extension),
profile_);
}
ExtensionAction* ExtensionActionManager::GetExtensionAction(
const Extension& extension) const {
ExtensionAction* action = GetBrowserAction(extension);
return action ? action : GetPageAction(extension);
}
} // namespace extensions
|