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// Copyright 2013 The Chromium Authors
// 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/observer_list.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() = default;
// static
ExtensionRegistry* ExtensionRegistry::Get(content::BrowserContext* context) {
return ExtensionRegistryFactory::GetForBrowserContext(context);
}
base::WeakPtr<ExtensionRegistry> ExtensionRegistry::GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
ExtensionSet ExtensionRegistry::GenerateInstalledExtensionsSet() const {
return GenerateInstalledExtensionsSet(EVERYTHING);
}
ExtensionSet ExtensionRegistry::GenerateInstalledExtensionsSet(
int include_mask) const {
ExtensionSet installed_extensions;
if (include_mask & IncludeFlag::ENABLED) {
installed_extensions.InsertAll(enabled_extensions_);
}
if (include_mask & IncludeFlag::DISABLED) {
installed_extensions.InsertAll(disabled_extensions_);
}
if (include_mask & IncludeFlag::TERMINATED) {
installed_extensions.InsertAll(terminated_extensions_);
}
if (include_mask & IncludeFlag::BLOCKLISTED) {
installed_extensions.InsertAll(blocklisted_extensions_);
}
if (include_mask & IncludeFlag::BLOCKED) {
installed_extensions.InsertAll(blocked_extensions_);
}
return installed_extensions;
}
base::Version ExtensionRegistry::GetStoredVersion(const ExtensionId& id) const {
int include_mask = ExtensionRegistry::ENABLED | ExtensionRegistry::DISABLED |
ExtensionRegistry::TERMINATED |
ExtensionRegistry::BLOCKLISTED |
ExtensionRegistry::BLOCKED;
const Extension* registry_extension = GetExtensionById(id, include_mask);
return registry_extension ? registry_extension->version() : base::Version();
}
void ExtensionRegistry::AddObserver(ExtensionRegistryObserver* observer) {
observers_.AddObserver(observer);
}
void ExtensionRegistry::RemoveObserver(ExtensionRegistryObserver* observer) {
observers_.RemoveObserver(observer);
}
void ExtensionRegistry::TriggerOnLoaded(const Extension* extension) {
CHECK(extension);
DCHECK(enabled_extensions_.Contains(extension->id()));
for (auto& observer : observers_)
observer.OnExtensionLoaded(browser_context_, extension);
}
void ExtensionRegistry::TriggerOnReady(const Extension* extension) {
CHECK(extension);
DCHECK(enabled_extensions_.Contains(extension->id()));
for (auto& observer : observers_)
observer.OnExtensionReady(browser_context_, extension);
}
void ExtensionRegistry::TriggerOnUnloaded(const Extension* extension,
UnloadedExtensionReason reason) {
CHECK(extension);
DCHECK(!enabled_extensions_.Contains(extension->id()));
for (auto& observer : observers_)
observer.OnExtensionUnloaded(browser_context_, extension, reason);
}
void ExtensionRegistry::TriggerOnWillBeInstalled(const Extension* extension,
bool is_update,
const std::string& old_name) {
CHECK(extension);
DCHECK_EQ(is_update,
GenerateInstalledExtensionsSet().Contains(extension->id()));
DCHECK_EQ(is_update, !old_name.empty());
for (auto& observer : observers_)
observer.OnExtensionWillBeInstalled(browser_context_, extension, is_update,
old_name);
}
void ExtensionRegistry::TriggerOnInstalled(const Extension* extension,
bool is_update) {
CHECK(extension);
DCHECK(GenerateInstalledExtensionsSet().Contains(extension->id()));
for (auto& observer : observers_)
observer.OnExtensionInstalled(browser_context_, extension, is_update);
}
void ExtensionRegistry::TriggerOnUninstalled(const Extension* extension,
UninstallReason reason) {
CHECK(extension);
DCHECK(!GenerateInstalledExtensionsSet().Contains(extension->id()));
for (auto& observer : observers_)
observer.OnExtensionUninstalled(browser_context_, extension, reason);
}
void ExtensionRegistry::TriggerOnUninstallationDenied(
const Extension* extension) {
CHECK(extension);
DCHECK(GenerateInstalledExtensionsSet().Contains(extension->id()));
for (auto& observer : observers_)
observer.OnExtensionUninstallationDenied(browser_context_, extension);
}
const Extension* ExtensionRegistry::GetExtensionById(const std::string& id,
int include_mask) const {
std::string lowercase_id = base::ToLowerASCII(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 & BLOCKLISTED) {
const Extension* extension = blocklisted_extensions_.GetByID(lowercase_id);
if (extension) {
return extension;
}
}
if (include_mask & BLOCKED) {
const Extension* extension = blocked_extensions_.GetByID(lowercase_id);
if (extension) {
return extension;
}
}
return nullptr;
}
const Extension* ExtensionRegistry::GetInstalledExtension(
const std::string& id) const {
return GetExtensionById(id, ExtensionRegistry::EVERYTHING);
}
bool ExtensionRegistry::AddEnabled(
const scoped_refptr<const Extension>& extension) {
return enabled_extensions_.Insert(extension);
}
bool ExtensionRegistry::RemoveEnabled(const std::string& id) {
// Only enabled extensions can be ready, so removing an enabled extension
// should also remove from the ready set if possible.
if (ready_extensions_.Contains(id)) {
RemoveReady(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::AddBlocklisted(
const scoped_refptr<const Extension>& extension) {
return blocklisted_extensions_.Insert(extension);
}
bool ExtensionRegistry::RemoveBlocklisted(const std::string& id) {
return blocklisted_extensions_.Remove(id);
}
bool ExtensionRegistry::AddBlocked(
const scoped_refptr<const Extension>& extension) {
return blocked_extensions_.Insert(extension);
}
bool ExtensionRegistry::RemoveBlocked(const std::string& id) {
return blocked_extensions_.Remove(id);
}
bool ExtensionRegistry::AddReady(
const scoped_refptr<const Extension>& extension) {
return ready_extensions_.Insert(extension);
}
bool ExtensionRegistry::RemoveReady(const std::string& id) {
return ready_extensions_.Remove(id);
}
void ExtensionRegistry::ClearAll() {
enabled_extensions_.Clear();
disabled_extensions_.Clear();
terminated_extensions_.Clear();
blocklisted_extensions_.Clear();
blocked_extensions_.Clear();
ready_extensions_.Clear();
}
void ExtensionRegistry::Shutdown() {
// Release references to all Extension objects in the sets.
ClearAll();
for (auto& observer : observers_)
observer.OnShutdown(this);
}
} // namespace extensions
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