Start the IME Daemon when adding an extension IME

chrome/browser/extensions/extension_input_ime_api.cc

 // Copyright (c) 2011 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_input_ime_api.h"
 
 #include "base/json/json_writer.h"
+#include "base/stl_util.h"
 #include "base/string_number_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/input_method/input_method_engine.h"
 #include "chrome/browser/extensions/extension_event_router.h"
 #include "chrome/browser/extensions/extension_input_module_constants.h"
 #include "chrome/browser/profiles/profile.h"
 
 namespace keys = extension_input_module_constants;
 
 namespace {
@@ skipping 398 matching lines @@
 
   engine_map[component.id] = engine;
 
   std::map<std::string, chromeos::ImeObserver*>& observer_list =
       observers_[extension_id];
 
   observer_list[component.id] = observer;
 
   return true;
 }
+
+void ExtensionInputImeEventRouter::UnregisterAllImes(
+    Profile* profile, const std::string& extension_id) {
+  std::map<std::string,
+           std::map<std::string,
+                    chromeos::InputMethodEngine*> >::iterator engine_map =
+      engines_.find(extension_id);
+  if (engine_map != engines_.end()) {
+    STLDeleteContainerPairSecondPointers(engine_map->second.begin(),
+                                         engine_map->second.end());
+    engines_.erase(extension_id);

[Yusuke Sato, 2011/12/05 03:42:13]

nit:  engines_.erase(engine_map); would be better (to avoid rb-tree lookup).

[Zachary Kuznia, 2011/12/06 01:50:08]

Done.

+  }
+
+  std::map<std::string,
+           std::map<std::string,
+                    chromeos::ImeObserver*> >::iterator observer_list =
+      observers_.find(extension_id);
+  if (observer_list != observers_.end()) {
+    STLDeleteContainerPairSecondPointers(observer_list->second.begin(),
+                                         observer_list->second.end());
+    observers_.erase(extension_id);

[Yusuke Sato, 2011/12/05 03:42:13]

ditto.

observers_.erase(observer_list);

[Zachary Kuznia, 2011/12/06 01:50:08]

Done.

+  }
+}
 #endif
 
 chromeos::InputMethodEngine* ExtensionInputImeEventRouter::GetEngine(
     const std::string& extension_id, const std::string& engine_id) {
   std::map<std::string,
            std::map<std::string, chromeos::InputMethodEngine*> >::const_iterator
                engine_list = engines_.find(extension_id);
   if (engine_list != engines_.end()) {
     std::map<std::string, chromeos::InputMethodEngine*>::const_iterator
         engine_ix = engine_list->second.find(engine_id);
@@ skipping 416 matching lines @@
 
   bool handled = false;
   EXTENSION_FUNCTION_VALIDATE(args_->GetBoolean(1, &handled));
 
   ExtensionInputImeEventRouter::GetInstance()->OnEventHandled(
       extension_id(), request_id_str, handled);
 
   return true;
 }
 #endif