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// Copyright (c) 2012 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/common/extensions/features/complex_feature.h"
namespace extensions {
ComplexFeature::ComplexFeature(scoped_ptr<FeatureList> features) {
DCHECK_GT(features->size(), 0UL);
features_.swap(*features);
}
ComplexFeature::~ComplexFeature() {
}
Feature::Availability ComplexFeature::IsAvailableToManifest(
const std::string& extension_id, Manifest::Type type, Location location,
int manifest_version, Platform platform) const {
Feature::Availability first_availability =
features_[0]->IsAvailableToManifest(
extension_id, type, location, manifest_version, platform);
if (first_availability.is_available())
return first_availability;
for (FeatureList::const_iterator it = features_.begin() + 1;
it != features_.end(); ++it) {
Availability availability = (*it)->IsAvailableToManifest(
extension_id, type, location, manifest_version, platform);
if (availability.is_available())
return availability;
}
// If none of the SimpleFeatures are available, we return the availability
// info of the first SimpleFeature that was not available.
return first_availability;
}
Feature::Availability ComplexFeature::IsAvailableToContext(
const Extension* extension,
Context context,
const GURL& url,
Platform platform) const {
Feature::Availability first_availability =
features_[0]->IsAvailableToContext(extension, context, url, platform);
if (first_availability.is_available())
return first_availability;
for (FeatureList::const_iterator it = features_.begin() + 1;
it != features_.end(); ++it) {
Availability availability =
(*it)->IsAvailableToContext(extension, context, url, platform);
if (availability.is_available())
return availability;
}
// If none of the SimpleFeatures are available, we return the availability
// info of the first SimpleFeature that was not available.
return first_availability;
}
std::set<Feature::Context>* ComplexFeature::GetContexts() {
// TODO(justinlin): Current use cases for ComplexFeatures are simple (e.g.
// allow API in dev channel for everyone but stable channel for a whitelist),
// but if they get more complicated, we need to return some meaningful context
// set. Either that or remove this method from the Feature interface.
return features_[0]->GetContexts();
}
bool ComplexFeature::IsInternal() const {
NOTREACHED();
return false;
}
std::string ComplexFeature::GetAvailabilityMessage(AvailabilityResult result,
Manifest::Type type,
const GURL& url) const {
if (result == IS_AVAILABLE)
return std::string();
// TODO(justinlin): Form some kind of combined availabilities/messages from
// SimpleFeatures.
return features_[0]->GetAvailabilityMessage(result, type, url);
}
bool ComplexFeature::IsIdInWhitelist(const std::string& extension_id) const {
for (FeatureList::const_iterator it = features_.begin();
it != features_.end(); ++it) {
if ((*it)->IsIdInWhitelist(extension_id))
return true;
}
return false;
}
} // namespace extensions
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