root/extensions/browser/extension_registry.cc

DEFINITIONS

1. Get
2. GenerateInstalledExtensionsSet
3. AddObserver
4. RemoveObserver
5. TriggerOnLoaded
6. TriggerOnUnloaded
7. GetExtensionById
8. AddEnabled
9. RemoveEnabled
10. AddDisabled
11. RemoveDisabled
12. AddTerminated
13. RemoveTerminated
14. AddBlacklisted
15. RemoveBlacklisted
16. ClearAll
17. SetDisabledModificationCallback
18. Shutdown

// Copyright 2013 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 "extensions/browser/extension_registry.h"

#include "base/strings/string_util.h"
#include "extensions/browser/extension_registry_factory.h"
#include "extensions/browser/extension_registry_observer.h"

namespace extensions {

ExtensionRegistry::ExtensionRegistry() {}
ExtensionRegistry::~ExtensionRegistry() {}

// static
ExtensionRegistry* ExtensionRegistry::Get(content::BrowserContext* context) {
  return ExtensionRegistryFactory::GetForBrowserContext(context);
}

scoped_ptr<ExtensionSet> ExtensionRegistry::GenerateInstalledExtensionsSet()
    const {
  scoped_ptr<ExtensionSet> installed_extensions(new ExtensionSet);
  installed_extensions->InsertAll(enabled_extensions_);
  installed_extensions->InsertAll(disabled_extensions_);
  installed_extensions->InsertAll(terminated_extensions_);
  installed_extensions->InsertAll(blacklisted_extensions_);
  return installed_extensions.Pass();
}

void ExtensionRegistry::AddObserver(ExtensionRegistryObserver* observer) {
  observers_.AddObserver(observer);
}

void ExtensionRegistry::RemoveObserver(ExtensionRegistryObserver* observer) {
  observers_.RemoveObserver(observer);
}

void ExtensionRegistry::TriggerOnLoaded(const Extension* extension) {
  DCHECK(enabled_extensions_.Contains(extension->id()));
  FOR_EACH_OBSERVER(
      ExtensionRegistryObserver, observers_, OnExtensionLoaded(extension));
}

void ExtensionRegistry::TriggerOnUnloaded(const Extension* extension) {
  DCHECK(!enabled_extensions_.Contains(extension->id()));
  FOR_EACH_OBSERVER(
      ExtensionRegistryObserver, observers_, OnExtensionUnloaded(extension));
}

const Extension* ExtensionRegistry::GetExtensionById(const std::string& id,
                                                     int include_mask) const {
  std::string lowercase_id = StringToLowerASCII(id);
  if (include_mask & ENABLED) {
    const Extension* extension = enabled_extensions_.GetByID(lowercase_id);
    if (extension)
      return extension;
  }
  if (include_mask & DISABLED) {
    const Extension* extension = disabled_extensions_.GetByID(lowercase_id);
    if (extension)
      return extension;
  }
  if (include_mask & TERMINATED) {
    const Extension* extension = terminated_extensions_.GetByID(lowercase_id);
    if (extension)
      return extension;
  }
  if (include_mask & BLACKLISTED) {
    const Extension* extension = blacklisted_extensions_.GetByID(lowercase_id);
    if (extension)
      return extension;
  }
  return NULL;
}

bool ExtensionRegistry::AddEnabled(
    const scoped_refptr<const Extension>& extension) {
  return enabled_extensions_.Insert(extension);
}

bool ExtensionRegistry::RemoveEnabled(const std::string& id) {
  return enabled_extensions_.Remove(id);
}

bool ExtensionRegistry::AddDisabled(
    const scoped_refptr<const Extension>& extension) {
  return disabled_extensions_.Insert(extension);
}

bool ExtensionRegistry::RemoveDisabled(const std::string& id) {
  return disabled_extensions_.Remove(id);
}

bool ExtensionRegistry::AddTerminated(
    const scoped_refptr<const Extension>& extension) {
  return terminated_extensions_.Insert(extension);
}

bool ExtensionRegistry::RemoveTerminated(const std::string& id) {
  return terminated_extensions_.Remove(id);
}

bool ExtensionRegistry::AddBlacklisted(
    const scoped_refptr<const Extension>& extension) {
  return blacklisted_extensions_.Insert(extension);
}

bool ExtensionRegistry::RemoveBlacklisted(const std::string& id) {
  return blacklisted_extensions_.Remove(id);
}

void ExtensionRegistry::ClearAll() {
  enabled_extensions_.Clear();
  disabled_extensions_.Clear();
  terminated_extensions_.Clear();
  blacklisted_extensions_.Clear();
}

void ExtensionRegistry::SetDisabledModificationCallback(
    const ExtensionSet::ModificationCallback& callback) {
  disabled_extensions_.set_modification_callback(callback);
}

void ExtensionRegistry::Shutdown() {
  // Release references to all Extension objects in the sets.
  ClearAll();
}

}  // namespace extensions