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// Copyright (c) 2010 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/extensions/extension_info_map.h"
#include "chrome/browser/browser_thread.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/url_constants.h"
namespace {
static void CheckOnValidThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
}
} // namespace
ExtensionInfoMap::ExtensionInfoMap() {
}
ExtensionInfoMap::~ExtensionInfoMap() {
}
void ExtensionInfoMap::AddExtension(const Extension* extension) {
CheckOnValidThread();
extension_info_[extension->id()] = extension;
// Our map has already added a reference. Balance the reference given at the
// call-site.
extension->Release();
}
void ExtensionInfoMap::RemoveExtension(const std::string& id) {
CheckOnValidThread();
Map::iterator iter = extension_info_.find(id);
if (iter != extension_info_.end()) {
extension_info_.erase(iter);
} else {
// NOTE: This can currently happen if we receive multiple unload
// notifications, e.g. setting incognito-enabled state for a
// disabled extension (e.g., via sync). See
// http://code.google.com/p/chromium/issues/detail?id=50582 .
NOTREACHED() << id;
}
}
std::string ExtensionInfoMap::GetNameForExtension(const std::string& id) const {
Map::const_iterator iter = extension_info_.find(id);
if (iter != extension_info_.end())
return iter->second->name();
else
return std::string();
}
FilePath ExtensionInfoMap::GetPathForExtension(const std::string& id) const {
Map::const_iterator iter = extension_info_.find(id);
if (iter != extension_info_.end())
return iter->second->path();
else
return FilePath();
}
bool ExtensionInfoMap::ExtensionHasWebExtent(const std::string& id) const {
Map::const_iterator iter = extension_info_.find(id);
return iter != extension_info_.end() &&
!iter->second->web_extent().is_empty();
}
bool ExtensionInfoMap::ExtensionCanLoadInIncognito(
const std::string& id) const {
Map::const_iterator iter = extension_info_.find(id);
// Only split-mode extensions can load in incognito profiles.
return iter != extension_info_.end() && iter->second->incognito_split_mode();
}
std::string ExtensionInfoMap::GetDefaultLocaleForExtension(
const std::string& id) const {
Map::const_iterator iter = extension_info_.find(id);
std::string result;
if (iter != extension_info_.end())
result = iter->second->default_locale();
return result;
}
ExtensionExtent ExtensionInfoMap::GetEffectiveHostPermissionsForExtension(
const std::string& id) const {
Map::const_iterator iter = extension_info_.find(id);
ExtensionExtent result;
if (iter != extension_info_.end())
result = iter->second->GetEffectiveHostPermissions();
return result;
}
bool ExtensionInfoMap::CheckURLAccessToExtensionPermission(
const GURL& url,
const char* permission_name) const {
Map::const_iterator info;
if (url.SchemeIs(chrome::kExtensionScheme)) {
// If the url is an extension scheme, we just look it up by extension id.
std::string id = url.host();
info = extension_info_.find(id);
} else {
// Otherwise, we scan for a matching extent. Overlapping extents are
// disallowed, so only one will match.
info = extension_info_.begin();
while (info != extension_info_.end() &&
!info->second->web_extent().ContainsURL(url))
++info;
}
if (info == extension_info_.end())
return false;
return info->second->api_permissions().count(permission_name) != 0;
}
bool ExtensionInfoMap::URLIsForExtensionIcon(const GURL& url) const {
DCHECK(url.SchemeIs(chrome::kExtensionScheme));
Map::const_iterator iter = extension_info_.find(url.host());
if (iter == extension_info_.end())
return false;
std::string path = url.path();
DCHECK(path.length() > 0 && path[0] == '/');
path = path.substr(1);
return iter->second->icons().ContainsPath(path);
}
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