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-rw-r--r--chrome/browser/automation/automation_provider_list.cc52
1 files changed, 52 insertions, 0 deletions
diff --git a/chrome/browser/automation/automation_provider_list.cc b/chrome/browser/automation/automation_provider_list.cc
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+++ b/chrome/browser/automation/automation_provider_list.cc
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+// Copyright (c) 2006-2008 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/automation/automation_provider_list.h"
+
+#include <algorithm>
+
+#include "base/logging.h"
+#include "chrome/browser/automation/automation_provider.h"
+#include "chrome/browser/browser_process.h"
+
+AutomationProviderList* AutomationProviderList::instance_ = NULL;
+
+AutomationProviderList::AutomationProviderList() {
+}
+
+AutomationProviderList::~AutomationProviderList() {
+ iterator iter = automation_providers_.begin();
+ while (iter != automation_providers_.end()) {
+ (*iter)->Release();
+ iter = automation_providers_.erase(iter);
+ }
+ instance_ = NULL;
+}
+
+bool AutomationProviderList::AddProvider(AutomationProvider* provider) {
+ provider->AddRef();
+ automation_providers_.push_back(provider);
+ return true;
+}
+
+bool AutomationProviderList::RemoveProvider(AutomationProvider* provider) {
+ const iterator remove_provider =
+ find(automation_providers_.begin(), automation_providers_.end(), provider);
+ if (remove_provider != automation_providers_.end()) {
+ (*remove_provider)->Release();
+ automation_providers_.erase(remove_provider);
+ if (automation_providers_.empty())
+ OnLastProviderRemoved();
+ return true;
+ }
+ return false;
+}
+
+AutomationProviderList* AutomationProviderList::GetInstance() {
+ if (!instance_) {
+ instance_ = new AutomationProviderList;
+ }
+ DCHECK(NULL != instance_);
+ return instance_;
+}