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.
5 #include "base/strings/utf_string_conversions.h"
6 #include "chrome/app/chrome_command_ids.h"
7 #include "chrome/browser/extensions/context_menu_matcher.h"
8 #include "chrome/browser/extensions/extension_service.h"
9 #include "chrome/browser/extensions/extension_system.h"
10 #include "chrome/browser/extensions/extension_util.h"
11 #include "chrome/browser/profiles/profile.h"
12 #include "content/public/common/context_menu_params.h"
13 #include "ui/gfx/favicon_size.h"
14 #include "ui/gfx/image/image.h"
16 namespace extensions {
19 const size_t ContextMenuMatcher::kMaxExtensionItemTitleLength = 75;
21 ContextMenuMatcher::ContextMenuMatcher(
23 ui::SimpleMenuModel::Delegate* delegate,
24 ui::SimpleMenuModel* menu_model,
25 const base::Callback<bool(const MenuItem*)>& filter)
26 : profile_(profile), menu_model_(menu_model), delegate_(delegate),
30 void ContextMenuMatcher::AppendExtensionItems(const std::string& extension_id,
31 const string16& selection_text,
36 IDC_EXTENSIONS_CONTEXT_CUSTOM_LAST - IDC_EXTENSIONS_CONTEXT_CUSTOM_FIRST;
37 if (*index >= max_index)
40 const Extension* extension = NULL;
42 bool can_cross_incognito;
43 if (!GetRelevantExtensionTopLevelItems(extension_id, &extension,
44 &can_cross_incognito, items))
50 // If this is the first extension-provided menu item, and there are other
51 // items in the menu, and the last item is not a separator add a separator.
52 if (*index == 0 && menu_model_->GetItemCount())
53 menu_model_->AddSeparator(ui::NORMAL_SEPARATOR);
55 // Extensions (other than platform apps) are only allowed one top-level slot
56 // (and it can't be a radio or checkbox item because we are going to put the
57 // extension icon next to it).
58 // If they have more than that, we automatically push them into a submenu.
59 if (extension->is_platform_app()) {
60 RecursivelyAppendExtensionItems(items, can_cross_incognito, selection_text,
63 int menu_id = IDC_EXTENSIONS_CONTEXT_CUSTOM_FIRST + (*index)++;
65 MenuItem::List submenu_items;
67 if (items.size() > 1 || items[0]->type() != MenuItem::NORMAL) {
68 title = UTF8ToUTF16(extension->name());
69 submenu_items = items;
71 MenuItem* item = items[0];
72 extension_item_map_[menu_id] = item->id();
73 title = item->TitleWithReplacement(selection_text,
74 kMaxExtensionItemTitleLength);
75 submenu_items = GetRelevantExtensionItems(item->children(),
79 // Now add our item(s) to the menu_model_.
80 if (submenu_items.empty()) {
81 menu_model_->AddItem(menu_id, title);
83 ui::SimpleMenuModel* submenu = new ui::SimpleMenuModel(delegate_);
84 extension_menu_models_.push_back(submenu);
85 menu_model_->AddSubMenu(menu_id, title, submenu);
86 RecursivelyAppendExtensionItems(submenu_items, can_cross_incognito,
87 selection_text, submenu, index);
89 SetExtensionIcon(extension_id);
93 void ContextMenuMatcher::Clear() {
94 extension_item_map_.clear();
95 extension_menu_models_.clear();
98 base::string16 ContextMenuMatcher::GetTopLevelContextMenuTitle(
99 const std::string& extension_id,
100 const string16& selection_text) {
101 const Extension* extension = NULL;
102 MenuItem::List items;
103 bool can_cross_incognito;
104 GetRelevantExtensionTopLevelItems(extension_id, &extension,
105 &can_cross_incognito, items);
107 base::string16 title;
111 items[0]->type() != MenuItem::NORMAL) {
112 title = UTF8ToUTF16(extension->name());
114 MenuItem* item = items[0];
115 title = item->TitleWithReplacement(
116 selection_text, kMaxExtensionItemTitleLength);
121 bool ContextMenuMatcher::IsCommandIdChecked(int command_id) const {
122 MenuItem* item = GetExtensionMenuItem(command_id);
125 return item->checked();
128 bool ContextMenuMatcher::IsCommandIdEnabled(int command_id) const {
129 MenuItem* item = GetExtensionMenuItem(command_id);
132 return item->enabled();
135 void ContextMenuMatcher::ExecuteCommand(int command_id,
136 content::WebContents* web_contents,
137 const content::ContextMenuParams& params) {
138 MenuManager* manager = extensions::ExtensionSystem::Get(profile_)->
139 extension_service()->menu_manager();
140 MenuItem* item = GetExtensionMenuItem(command_id);
144 manager->ExecuteCommand(profile_, web_contents, params, item->id());
147 bool ContextMenuMatcher::GetRelevantExtensionTopLevelItems(
148 const std::string& extension_id,
149 const Extension** extension,
150 bool* can_cross_incognito,
151 MenuItem::List& items) {
152 ExtensionService* service =
153 extensions::ExtensionSystem::Get(profile_)->extension_service();
154 MenuManager* manager = service->menu_manager();
155 *extension = service->GetExtensionById(extension_id, false);
160 // Find matching items.
161 const MenuItem::List* all_items = manager->MenuItems(extension_id);
162 if (!all_items || all_items->empty())
165 *can_cross_incognito = extension_util::CanCrossIncognito(*extension, service);
166 items = GetRelevantExtensionItems(*all_items,
167 *can_cross_incognito);
172 MenuItem::List ContextMenuMatcher::GetRelevantExtensionItems(
173 const MenuItem::List& items,
174 bool can_cross_incognito) {
175 MenuItem::List result;
176 for (MenuItem::List::const_iterator i = items.begin();
177 i != items.end(); ++i) {
178 const MenuItem* item = *i;
180 if (!filter_.Run(item))
183 if (item->id().incognito == profile_->IsOffTheRecord() ||
185 result.push_back(*i);
190 void ContextMenuMatcher::RecursivelyAppendExtensionItems(
191 const MenuItem::List& items,
192 bool can_cross_incognito,
193 const string16& selection_text,
194 ui::SimpleMenuModel* menu_model,
197 MenuItem::Type last_type = MenuItem::NORMAL;
198 int radio_group_id = 1;
200 for (MenuItem::List::const_iterator i = items.begin();
201 i != items.end(); ++i) {
204 // If last item was of type radio but the current one isn't, auto-insert
205 // a separator. The converse case is handled below.
206 if (last_type == MenuItem::RADIO &&
207 item->type() != MenuItem::RADIO) {
208 menu_model->AddSeparator(ui::NORMAL_SEPARATOR);
209 last_type = MenuItem::SEPARATOR;
212 int menu_id = IDC_EXTENSIONS_CONTEXT_CUSTOM_FIRST + (*index)++;
213 if (menu_id >= IDC_EXTENSIONS_CONTEXT_CUSTOM_LAST)
215 extension_item_map_[menu_id] = item->id();
216 string16 title = item->TitleWithReplacement(selection_text,
217 kMaxExtensionItemTitleLength);
218 if (item->type() == MenuItem::NORMAL) {
219 MenuItem::List children =
220 GetRelevantExtensionItems(item->children(), can_cross_incognito);
221 if (children.empty()) {
222 menu_model->AddItem(menu_id, title);
224 ui::SimpleMenuModel* submenu = new ui::SimpleMenuModel(delegate_);
225 extension_menu_models_.push_back(submenu);
226 menu_model->AddSubMenu(menu_id, title, submenu);
227 RecursivelyAppendExtensionItems(children, can_cross_incognito,
228 selection_text, submenu, index);
230 } else if (item->type() == MenuItem::CHECKBOX) {
231 menu_model->AddCheckItem(menu_id, title);
232 } else if (item->type() == MenuItem::RADIO) {
233 if (i != items.begin() &&
234 last_type != MenuItem::RADIO) {
237 // Auto-append a separator if needed.
238 menu_model->AddSeparator(ui::NORMAL_SEPARATOR);
241 menu_model->AddRadioItem(menu_id, title, radio_group_id);
242 } else if (item->type() == MenuItem::SEPARATOR) {
243 menu_model->AddSeparator(ui::NORMAL_SEPARATOR);
245 last_type = item->type();
249 MenuItem* ContextMenuMatcher::GetExtensionMenuItem(int id) const {
250 MenuManager* manager = extensions::ExtensionSystem::Get(profile_)->
251 extension_service()->menu_manager();
252 std::map<int, MenuItem::Id>::const_iterator i =
253 extension_item_map_.find(id);
254 if (i != extension_item_map_.end()) {
255 MenuItem* item = manager->GetItemById(i->second);
262 void ContextMenuMatcher::SetExtensionIcon(const std::string& extension_id) {
263 ExtensionService* service =
264 extensions::ExtensionSystem::Get(profile_)->extension_service();
265 MenuManager* menu_manager = service->menu_manager();
267 int index = menu_model_->GetItemCount() - 1;
270 const SkBitmap& icon = menu_manager->GetIconForExtension(extension_id);
271 DCHECK(icon.width() == gfx::kFaviconSize);
272 DCHECK(icon.height() == gfx::kFaviconSize);
274 menu_model_->SetIcon(index, gfx::Image::CreateFrom1xBitmap(icon));
277 } // namespace extensions