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// 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(content::BrowserContext* browser_context)
: browser_context_(browser_context) {}
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(browser_context_, extension));
}
void ExtensionRegistry::TriggerOnUnloaded(
const Extension* extension,
UnloadedExtensionInfo::Reason reason) {
DCHECK(!enabled_extensions_.Contains(extension->id()));
FOR_EACH_OBSERVER(ExtensionRegistryObserver,
observers_,
OnExtensionUnloaded(browser_context_, extension, reason));
}
void ExtensionRegistry::TriggerOnWillBeInstalled(const Extension* extension,
bool is_update,
bool from_ephemeral,
const std::string& old_name) {
DCHECK(is_update ==
GenerateInstalledExtensionsSet()->Contains(extension->id()));
DCHECK(is_update == !old_name.empty());
FOR_EACH_OBSERVER(
ExtensionRegistryObserver,
observers_,
OnExtensionWillBeInstalled(
browser_context_, extension, is_update, from_ephemeral, old_name));
}
void ExtensionRegistry::TriggerOnInstalled(const Extension* extension,
bool is_update) {
DCHECK(GenerateInstalledExtensionsSet()->Contains(extension->id()));
FOR_EACH_OBSERVER(ExtensionRegistryObserver,
observers_,
OnExtensionInstalled(
browser_context_, extension, is_update));
}
void ExtensionRegistry::TriggerOnUninstalled(const Extension* extension,
UninstallReason reason) {
DCHECK(!GenerateInstalledExtensionsSet()->Contains(extension->id()));
FOR_EACH_OBSERVER(
ExtensionRegistryObserver,
observers_,
OnExtensionUninstalled(browser_context_, extension, reason));
}
const Extension* ExtensionRegistry::GetExtensionById(const std::string& id,
int include_mask) const {
std::string lowercase_id = base::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();
FOR_EACH_OBSERVER(ExtensionRegistryObserver, observers_, OnShutdown(this));
}
} // namespace extensions
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