Extend contextMenus API to support browser/page actions

chrome/browser/extensions/extension_context_menu_model.cc

Index: chrome/browser/extensions/extension_context_menu_model.cc
diff --git a/chrome/browser/extensions/extension_context_menu_model.cc b/chrome/browser/extensions/extension_context_menu_model.cc
index 8ddb94b94651320226fd31e3659051ebb1c00d82..58116dd40af3f3d852ae329bc39ae1c99fd615cf 100644
--- a/chrome/browser/extensions/extension_context_menu_model.cc
+++ b/chrome/browser/extensions/extension_context_menu_model.cc
@@ -6,11 +6,14 @@
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
+#include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/extensions/api/extension_action/extension_action_api.h"
+#include "chrome/browser/extensions/context_menu_matcher.h"
 #include "chrome/browser/extensions/extension_action.h"
 #include "chrome/browser/extensions/extension_action_manager.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
+#include "chrome/browser/extensions/menu_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
@@ -21,7 +24,9 @@
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/common/context_menu_params.h"
 #include "extensions/browser/extension_prefs.h"
+#include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/management_policy.h"
 #include "extensions/browser/uninstall_reason.h"
@@ -34,6 +39,32 @@ using content::OpenURLParams;
 using content::Referrer;
 using content::WebContents;
 using extensions::Extension;
+using extensions::MenuItem;
+using extensions::MenuManager;
+
+namespace {
+
+// Returns true if the given |item| is of the given |type|.
+bool MenuItemMatchesAction(ExtensionContextMenuModel::ActionType type,
+                           const MenuItem* item) {
+  if (type == ExtensionContextMenuModel::NO_ACTION)
+    return false;
+
+  const MenuItem::ContextList& contexts = item->contexts();
+
+  if (contexts.Contains(MenuItem::ALL))
+    return true;
+  if (contexts.Contains(MenuItem::PAGE_ACTION) &&
+      (type == ExtensionContextMenuModel::PAGE_ACTION))
+    return true;
+  if (contexts.Contains(MenuItem::BROWSER_ACTION) &&
+      (type == ExtensionContextMenuModel::BROWSER_ACTION))
+    return true;
+
+  return false;
+}
+
+}  // namespace
 
 ExtensionContextMenuModel::ExtensionContextMenuModel(const Extension* extension,
                                                      Browser* browser,
@@ -42,7 +73,9 @@ ExtensionContextMenuModel::ExtensionContextMenuModel(const Extension* extension,
       extension_id_(extension->id()),
       browser_(browser),
       profile_(browser->profile()),
-      delegate_(delegate) {
+      delegate_(delegate),
+      action_type_(NO_ACTION),
+      extension_items_count_(0) {
   InitMenu(extension);
 
   if (profile_->GetPrefs()->GetBoolean(prefs::kExtensionsUIDeveloperMode) &&
@@ -58,20 +91,28 @@ ExtensionContextMenuModel::ExtensionContextMenuModel(const Extension* extension,
       extension_id_(extension->id()),
       browser_(browser),
       profile_(browser->profile()),
-      delegate_(NULL) {
+      delegate_(NULL),
+      action_type_(NO_ACTION),
+      extension_items_count_(0) {
   InitMenu(extension);
 }
 
 bool ExtensionContextMenuModel::IsCommandIdChecked(int command_id) const {
+  if (command_id >= IDC_EXTENSIONS_CONTEXT_CUSTOM_FIRST &&
+      command_id <= IDC_EXTENSIONS_CONTEXT_CUSTOM_LAST)
+    return extension_items_->IsCommandIdChecked(command_id);
   return false;
 }
 
 bool ExtensionContextMenuModel::IsCommandIdEnabled(int command_id) const {
-  const Extension* extension = this->GetExtension();
+  const Extension* extension = GetExtension();
   if (!extension)
     return false;
 
-  if (command_id == CONFIGURE) {
+  if (command_id >= IDC_EXTENSIONS_CONTEXT_CUSTOM_FIRST &&
+      command_id <= IDC_EXTENSIONS_CONTEXT_CUSTOM_LAST) {
+    return extension_items_->IsCommandIdEnabled(command_id);
+  } else if (command_id == CONFIGURE) {
     return
         extensions::ManifestURL::GetOptionsPage(extension).spec().length() > 0;
   } else if (command_id == NAME) {
@@ -105,6 +146,16 @@ void ExtensionContextMenuModel::ExecuteCommand(int command_id,
   if (!extension)
     return;
 
+  if (command_id >= IDC_EXTENSIONS_CONTEXT_CUSTOM_FIRST &&
+      command_id <= IDC_EXTENSIONS_CONTEXT_CUSTOM_LAST) {
+    WebContents* web_contents =
+        browser_->tab_strip_model()->GetActiveWebContents();
+    DCHECK(extension_items_);
+    extension_items_->ExecuteCommand(
+        command_id, web_contents, content::ContextMenuParams());
+    return;
+  }
+
   switch (command_id) {
     case NAME: {
       OpenURLParams params(extensions::ManifestURL::GetHomepageURL(extension),
@@ -166,14 +217,26 @@ void ExtensionContextMenuModel::InitMenu(const Extension* extension) {
   extensions::ExtensionActionManager* extension_action_manager =
       extensions::ExtensionActionManager::Get(profile_);
   extension_action_ = extension_action_manager->GetBrowserAction(*extension);
-  if (!extension_action_)
+  if (!extension_action_) {
     extension_action_ = extension_action_manager->GetPageAction(*extension);
+    if (extension_action_)
+      action_type_ = PAGE_ACTION;
+  } else {
+    action_type_ = BROWSER_ACTION;
+  }
+
+  extension_items_.reset(new extensions::ContextMenuMatcher(
+      profile_,
+      this,
+      this,
+      base::Bind(MenuItemMatchesAction, action_type_)));
 
   std::string extension_name = extension->name();
   // Ampersands need to be escaped to avoid being treated like
   // mnemonics in the menu.
   base::ReplaceChars(extension_name, "&", "&&", &extension_name);
   AddItem(NAME, base::UTF8ToUTF16(extension_name));
+  AppendExtensionItems();
   AddSeparator(ui::NORMAL_SEPARATOR);
   AddItemWithStringId(CONFIGURE, IDS_EXTENSIONS_OPTIONS_MENU_ITEM);
   AddItem(UNINSTALL, l10n_util::GetStringUTF16(IDS_EXTENSIONS_UNINSTALL));
@@ -184,7 +247,24 @@ void ExtensionContextMenuModel::InitMenu(const Extension* extension) {
 }
 
 const Extension* ExtensionContextMenuModel::GetExtension() const {
-  ExtensionService* extension_service =
-      extensions::ExtensionSystem::Get(profile_)->extension_service();
-  return extension_service->GetExtensionById(extension_id_, false);
+  return extensions::ExtensionRegistry::Get(profile_)
+      ->enabled_extensions()
+      .GetByID(extension_id_);
+}
+
+void ExtensionContextMenuModel::AppendExtensionItems() {
+  extension_items_->Clear();
+
+  MenuManager* menu_manager = MenuManager::Get(profile_);
+  if (!menu_manager ||
+      !menu_manager->MenuItems(MenuItem::ExtensionKey(extension_id_)))
+    return;
+
+  AddSeparator(ui::NORMAL_SEPARATOR);
+
+  extension_items_count_ = 0;
+  extension_items_->AppendExtensionItems(MenuItem::ExtensionKey(extension_id_),
+                                         base::string16(),
+                                         &extension_items_count_,
+                                         true);  // is_action_menu
 }