| // Copyright (c) 2015 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 "components/content_settings/core/browser/content_settings_global_value_map.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "base/synchronization/lock.h" |
| #include "components/content_settings/core/browser/content_settings_rule.h" |
| #include "components/content_settings/core/common/content_settings.h" |
| |
| namespace content_settings { |
| |
| namespace { |
| |
| class RuleIteratorSimple : public RuleIterator { |
| public: |
| RuleIteratorSimple(ContentSetting setting) : setting_(setting) {} |
| |
| bool HasNext() const override { return !is_done_; } |
| |
| Rule Next() override { |
| DCHECK(HasNext()); |
| is_done_ = true; |
| return Rule(ContentSettingsPattern::Wildcard(), |
| ContentSettingsPattern::Wildcard(), base::Value(setting_)); |
| } |
| |
| private: |
| const ContentSetting setting_; |
| bool is_done_ = false; |
| |
| DISALLOW_COPY_AND_ASSIGN(RuleIteratorSimple); |
| }; |
| |
| } // namespace |
| |
| GlobalValueMap::GlobalValueMap() {} |
| |
| GlobalValueMap::~GlobalValueMap() {} |
| |
| std::unique_ptr<RuleIterator> GlobalValueMap::GetRuleIterator( |
| ContentSettingsType content_type, |
| const ResourceIdentifier& resource_identifier) const { |
| if (!resource_identifier.empty()) |
| return nullptr; |
| |
| auto it = settings_.find(content_type); |
| if (it == settings_.end()) |
| return nullptr; |
| |
| return std::make_unique<RuleIteratorSimple>(it->second); |
| } |
| |
| void GlobalValueMap::SetContentSetting(ContentSettingsType content_type, |
| ContentSetting setting) { |
| if (setting == CONTENT_SETTING_DEFAULT) |
| settings_.erase(content_type); |
| else |
| settings_[content_type] = setting; |
| } |
| |
| ContentSetting GlobalValueMap::GetContentSetting( |
| ContentSettingsType content_type) const { |
| auto it = settings_.find(content_type); |
| return it == settings_.end() ? CONTENT_SETTING_DEFAULT : it->second; |
| } |
| |
| } // namespace content_settings |