Skeleton GCMAppHandler for Push API

components/gcm_driver/gcm_driver.cc

 // Copyright 2014 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 "components/gcm_driver/gcm_driver.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "components/gcm_driver/gcm_app_handler.h"
@@ skipping 130 matching lines @@
        iter != app_handlers_.end(); ++iter) {
     iter->second->ShutdownHandler();
   }
   app_handlers_.clear();
 }
 
 void GCMDriver::AddAppHandler(const std::string& app_id,
                               GCMAppHandler* handler) {
   DCHECK(!app_id.empty());
   DCHECK(handler);
-  DCHECK(app_handlers_.find(app_id) == app_handlers_.end());
+  DCHECK(app_handlers_.count(app_id) == 0);
   app_handlers_[app_id] = handler;
 }
 
 void GCMDriver::RemoveAppHandler(const std::string& app_id) {
   DCHECK(!app_id.empty());
   app_handlers_.erase(app_id);
 }
 
+void GCMDriver::AddWildcardAppHandler(GCMWildcardAppHandler* handler) {
+  DCHECK(handler);
+  DCHECK(wildcard_app_handlers_.count(handler) == 0);
+  wildcard_app_handlers_.insert(handler);
+}
+
+void GCMDriver::RemoveWildcardAppHandler(GCMWildcardAppHandler* handler) {
+  wildcard_app_handlers_.erase(handler);
+}
+
 GCMAppHandler* GCMDriver::GetAppHandler(const std::string& app_id) {
   GCMAppHandlerMap::const_iterator iter = app_handlers_.find(app_id);
-  return iter == app_handlers_.end() ? &default_app_handler_ : iter->second;
+  if (iter != app_handlers_.end())
+    return iter->second;
+  GCMWildcardAppHandlerSet::const_iterator it = wildcard_app_handlers_.begin();
+  for (; it != wildcard_app_handlers_.end(); ++it) {
+    if ((*it)->CanHandle(app_id))
+      return *it;
+  }
+  return &default_app_handler_;
 }
 
 bool GCMDriver::HasRegisterCallback(const std::string& app_id) {
   return register_callbacks_.find(app_id) != register_callbacks_.end();
 }
 
 void GCMDriver::ClearCallbacks() {
   register_callbacks_.clear();
   unregister_callbacks_.clear();
   send_callbacks_.clear();
 }
 
 bool GCMDriver::IsAsyncOperationPending(const std::string& app_id) const {
   return register_callbacks_.find(app_id) != register_callbacks_.end() ||
          unregister_callbacks_.find(app_id) != unregister_callbacks_.end();
 }
 
 }  // namespace gcm