ec29744fe9980cf67c160f1d6abc126ae9324f0e
[platform/framework/web/crosswalk.git] / src / xwalk / application / common / manifest_handlers / widget_handler.cc
1 // Copyright (c) 2014 Intel Corporation. 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 "xwalk/application/common/manifest_handlers/widget_handler.h"
6
7 #include <map>
8 #include <utility>
9 #include <vector>
10
11 #include "base/strings/utf_string_conversions.h"
12 #include "base/strings/stringprintf.h"
13 #include "base/strings/string_split.h"
14 #include "xwalk/application/common/application_manifest_constants.h"
15
16 namespace xwalk {
17
18 namespace keys = application_widget_keys;
19
20 namespace {
21 // Below key names are readable from Javascript widget interface.
22 const char kAuthor[] = "author";
23 const char kDecription[] = "description";
24 const char kName[] = "name";
25 const char kShortName[] = "shortName";
26 const char kVersion[] = "version";
27 const char kID[] = "id";
28 const char kAuthorEmail[] = "authorEmail";
29 const char kAuthorHref[] = "authorHref";
30 const char kHeight[] = "height";
31 const char kWidth[] = "width";
32 const char kPreferences[] = "preferences";
33
34 // Child keys inside 'preferences' key.
35 const char kPreferencesName[] = "name";
36 const char kPreferencesValue[] = "value";
37 const char kPreferencesReadonly[] = "readonly";
38
39 typedef std::map<std::string, std::string> KeyMap;
40 typedef std::map<std::string, std::string>::const_iterator KeyMapIterator;
41 typedef std::pair<std::string, std::string> KeyPair;
42
43 const KeyMap& GetWidgetKeyPairs() {
44   static KeyMap map;
45   if (map.empty()) {
46     map.insert(KeyPair(keys::kAuthorKey, kAuthor));
47     map.insert(KeyPair(keys::kDescriptionKey, kDecription));
48     map.insert(KeyPair(keys::kNameKey, kName));
49     map.insert(KeyPair(keys::kShortNameKey, kShortName));
50     map.insert(KeyPair(keys::kVersionKey, kVersion));
51     map.insert(KeyPair(keys::kIDKey, kID));
52     map.insert(KeyPair(keys::kAuthorEmailKey, kAuthorEmail));
53     map.insert(KeyPair(keys::kAuthorHrefKey, kAuthorHref));
54     map.insert(KeyPair(keys::kHeightKey, kHeight));
55     map.insert(KeyPair(keys::kWidthKey, kWidth));
56   }
57
58   return map;
59 }
60
61 void ParsePreferenceItem(const base::DictionaryValue* in_value,
62                          base::DictionaryValue* out_value) {
63   DCHECK(in_value && in_value->IsType(base::Value::TYPE_DICTIONARY));
64
65   std::string pref_name;
66   std::string pref_value;
67   std::string pref_readonly;
68   if (in_value->GetString(keys::kPreferencesNameKey, &pref_name))
69     out_value->SetString(kPreferencesName, pref_name);
70
71   if (in_value->GetString(keys::kPreferencesValueKey, &pref_value))
72     out_value->SetString(kPreferencesValue, pref_value);
73
74   if (in_value->GetString(keys::kPreferencesReadonlyKey, &pref_readonly)) {
75       out_value->SetBoolean(kPreferencesReadonly, pref_readonly == "true");
76   }
77 }
78
79 }  // namespace
80
81 namespace application {
82
83 WidgetInfo::WidgetInfo()
84     : value_(new base::DictionaryValue) {}
85
86 WidgetInfo::~WidgetInfo() {}
87
88 void WidgetInfo::SetString(const std::string& key, const std::string& value) {
89   value_->SetString(key, value);
90 }
91
92 void WidgetInfo::Set(const std::string& key, base::Value* value) {
93   value_->Set(key, value);
94 }
95
96 void WidgetInfo::SetName(const std::string& name) {
97   value_->SetString(kName, name);
98 }
99
100 void WidgetInfo::SetShortName(const std::string& short_name) {
101   value_->SetString(kShortName, short_name);
102 }
103
104 void WidgetInfo::SetDescription(const std::string& description) {
105   value_->SetString(kDecription, description);
106 }
107
108 WidgetHandler::WidgetHandler() {}
109
110 WidgetHandler::~WidgetHandler() {}
111
112 bool WidgetHandler::Parse(scoped_refptr<ApplicationData> application,
113                           base::string16* error) {
114   scoped_ptr<WidgetInfo> widget_info(new WidgetInfo);
115   const Manifest* manifest = application->GetManifest();
116   DCHECK(manifest);
117
118   const KeyMap& map = GetWidgetKeyPairs();
119
120   for (KeyMapIterator iter = map.begin(); iter != map.end(); ++iter) {
121     std::string string;
122     manifest->GetString(iter->first, &string);
123     widget_info->SetString(iter->second, string);
124   }
125
126   base::Value* pref_value = NULL;
127   manifest->Get(keys::kPreferencesKey, &pref_value);
128
129   if (pref_value && pref_value->IsType(base::Value::TYPE_DICTIONARY)) {
130     base::DictionaryValue* preferences = new base::DictionaryValue;
131     base::DictionaryValue* dict;
132     pref_value->GetAsDictionary(&dict);
133     ParsePreferenceItem(dict, preferences);
134     widget_info->Set(kPreferences, preferences);
135   } else if (pref_value && pref_value->IsType(base::Value::TYPE_LIST)) {
136     base::ListValue* preferences = new base::ListValue;
137     base::ListValue* list;
138     pref_value->GetAsList(&list);
139
140     for (base::ListValue::iterator it = list->begin();
141          it != list->end(); ++it) {
142       base::DictionaryValue* pref = new base::DictionaryValue;
143       base::DictionaryValue* dict;
144       (*it)->GetAsDictionary(&dict);
145       ParsePreferenceItem(dict, pref);
146       preferences->Append(pref);
147     }
148     widget_info->Set(kPreferences, preferences);
149   }
150
151   application->SetManifestData(keys::kWidgetKey, widget_info.release());
152   return true;
153 }
154
155 bool WidgetHandler::AlwaysParseForType(Manifest::Type type) const {
156   return true;
157 }
158
159 std::vector<std::string> WidgetHandler::Keys() const {
160   return std::vector<std::string>(1, keys::kWidgetKey);
161 }
162
163 }  // namespace application
164 }  // namespace xwalk