Build chrome.input.ime.* API in GN mode.

chrome/browser/extensions/api/input_ime/input_ime_api_chromeos.cc

 // Copyright 2015 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/api/input_ime/input_ime_api.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/macros.h"
@@ skipping 268 matching lines @@
     return "normal";
   }
 
   DISALLOW_COPY_AND_ASSIGN(ImeObserverChromeOS);
 };
 
 }  // namespace
 
 namespace extensions {
 
+InputImeEventRouter::InputImeEventRouter(Profile* profile)
+    : InputImeEventRouterBase(profile) {}
+
+InputImeEventRouter::~InputImeEventRouter() {}
+
 bool InputImeEventRouter::RegisterImeExtension(
     const std::string& extension_id,
     const std::vector<extensions::InputComponentInfo>& input_components) {
   VLOG(1) << "RegisterImeExtension: " << extension_id;
 
   if (engine_map_[extension_id])
     return false;
 
   chromeos::input_method::InputMethodManager* manager =
       chromeos::input_method::InputMethodManager::Get();
@@ skipping 48 matching lines @@
       engine_map_.find(extension_id);
   if (it != engine_map_.end()) {
     chromeos::input_method::InputMethodManager::Get()
         ->GetActiveIMEState()
         ->RemoveInputMethodExtension(extension_id);
     delete it->second;
     engine_map_.erase(it);
   }
 }
 
+IMEEngineHandlerInterface* InputImeEventRouter::GetEngine(
+    const std::string& extension_id,
+    const std::string& component_id) {
+  std::map<std::string, IMEEngineHandlerInterface*>::iterator it =
+      engine_map_.find(extension_id);
+  if (it != engine_map_.end())
+    return it->second;
+  return NULL;
+}
+
+IMEEngineHandlerInterface* InputImeEventRouter::GetActiveEngine(
+    const std::string& extension_id) {
+  std::map<std::string, IMEEngineHandlerInterface*>::iterator it =
+      engine_map_.find(extension_id);
+  if (it != engine_map_.end() && it->second->IsActive())
+    return it->second;
+  return NULL;
+}
+
 bool InputImeSetCompositionFunction::RunSync() {
   IMEEngineHandlerInterface* engine =
       GetInputImeEventRouter(Profile::FromBrowserContext(browser_context()))
           ->GetActiveEngine(extension_id());
   if (!engine) {
     SetResult(new base::FundamentalValue(false));
     return true;
   }
 
   scoped_ptr<SetComposition::Params> parent_params(
@@ skipping 318 matching lines @@
   if (!engine) {
     error_ = kErrorEngineNotAvailable;
     return false;
   }
 
   engine->DeleteSurroundingText(params.context_id, params.offset, params.length,
                                 &error_);
   return true;
 }
 
+void InputImeAPI::OnExtensionLoaded(content::BrowserContext* browser_context,
+                                    const Extension* extension) {
+  const std::vector<InputComponentInfo>* input_components =
+      extensions::InputComponents::GetInputComponents(extension);
+  if (input_components)
+    GetInputImeEventRouter(Profile::FromBrowserContext(browser_context))
+        ->RegisterImeExtension(extension->id(), *input_components);
+}
+
+void InputImeAPI::OnExtensionUnloaded(content::BrowserContext* browser_context,
+                                      const Extension* extension,
+                                      UnloadedExtensionInfo::Reason reason) {
+  const std::vector<InputComponentInfo>* input_components =
+      extensions::InputComponents::GetInputComponents(extension);
+  if (!input_components)
+    return;
+  if (input_components->size() > 0) {
+    GetInputImeEventRouter(Profile::FromBrowserContext(browser_context))
+        ->UnregisterAllImes(extension->id());
+  }
+}
+
+void InputImeAPI::OnListenerAdded(const EventListenerInfo& details) {
+  if (!details.browser_context)
+    return;
+  IMEEngineHandlerInterface* engine =
+      GetInputImeEventRouter(
+          Profile::FromBrowserContext(details.browser_context))
+          ->GetActiveEngine(details.extension_id);
+  // Notifies the IME extension for IME ready with onActivate/onFocus events.
+  if (engine)
+    engine->Enable(engine->GetActiveComponentId());
+}
+
 }  // namespace extensions