1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "chrome/browser/extensions/api/spellcheck/spellcheck_api.h"
6
7 #include "base/lazy_instance.h"
8 #include "chrome/browser/chrome_notification_types.h"
9 #include "chrome/browser/spellchecker/spellcheck_factory.h"
10 #include "chrome/browser/spellchecker/spellcheck_service.h"
11 #include "chrome/common/extensions/api/spellcheck/spellcheck_handler.h"
12 #include "content/public/browser/notification_details.h"
13 #include "content/public/browser/notification_source.h"
14 #include "extensions/common/manifest_constants.h"
15
16 namespace extensions {
17
18 namespace errors = manifest_errors;
19
20 namespace {
21
GetSpellcheckDictionaryInfo(const Extension * extension)22 SpellcheckDictionaryInfo* GetSpellcheckDictionaryInfo(
23 const Extension* extension) {
24 SpellcheckDictionaryInfo *spellcheck_info =
25 static_cast<SpellcheckDictionaryInfo*>(
26 extension->GetManifestData(manifest_keys::kSpellcheck));
27 return spellcheck_info;
28 }
29
GetDictionaryFormat(std::string format)30 SpellcheckService::DictionaryFormat GetDictionaryFormat(std::string format) {
31 if (format == "hunspell") {
32 return SpellcheckService::DICT_HUNSPELL;
33 } else if (format == "text") {
34 return SpellcheckService::DICT_TEXT;
35 } else {
36 return SpellcheckService::DICT_UNKNOWN;
37 }
38 }
39
40 } // namespace
41
42
SpellcheckAPI(Profile * profile)43 SpellcheckAPI::SpellcheckAPI(Profile* profile) {
44 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOADED,
45 content::Source<Profile>(profile));
46 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED,
47 content::Source<Profile>(profile));
48 }
49
~SpellcheckAPI()50 SpellcheckAPI::~SpellcheckAPI() {
51 }
52
53 static base::LazyInstance<ProfileKeyedAPIFactory<SpellcheckAPI> >
54 g_factory = LAZY_INSTANCE_INITIALIZER;
55
56 // static
GetFactoryInstance()57 ProfileKeyedAPIFactory<SpellcheckAPI>* SpellcheckAPI::GetFactoryInstance() {
58 return &g_factory.Get();
59 }
60
Observe(int type,const content::NotificationSource & source,const content::NotificationDetails & details)61 void SpellcheckAPI::Observe(int type,
62 const content::NotificationSource& source,
63 const content::NotificationDetails& details) {
64 Profile* profile = content::Source<Profile>(source).ptr();
65 SpellcheckService* spellcheck = NULL;
66 switch (type) {
67 case chrome::NOTIFICATION_EXTENSION_LOADED: {
68 const Extension* extension = content::Details<Extension>(details).ptr();
69 SpellcheckDictionaryInfo* spellcheck_info =
70 GetSpellcheckDictionaryInfo(extension);
71 if (spellcheck_info) {
72 // TODO(rlp): Handle load failure. =
73 spellcheck = SpellcheckServiceFactory::GetForContext(profile);
74 spellcheck->LoadExternalDictionary(
75 spellcheck_info->language,
76 spellcheck_info->locale,
77 spellcheck_info->path,
78 GetDictionaryFormat(spellcheck_info->format));
79 }
80 break;
81 }
82 case chrome::NOTIFICATION_EXTENSION_UNLOADED: {
83 const Extension* extension =
84 content::Details<UnloadedExtensionInfo>(details)->extension;
85 SpellcheckDictionaryInfo* spellcheck_info =
86 GetSpellcheckDictionaryInfo(extension);
87 if (spellcheck_info) {
88 // TODO(rlp): Handle unload failure.
89 spellcheck = SpellcheckServiceFactory::GetForContext(profile);
90 spellcheck->UnloadExternalDictionary(spellcheck_info->path);
91 }
92 break;
93 }
94 default:
95 NOTREACHED();
96 }
97 }
98
99 template <>
DeclareFactoryDependencies()100 void ProfileKeyedAPIFactory<SpellcheckAPI>::DeclareFactoryDependencies() {
101 DependsOn(SpellcheckServiceFactory::GetInstance());
102 }
103
104 } // namespace extensions
105