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// Copyright 2015 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_DOM_NAVIGATOR_H_
#define COBALT_DOM_NAVIGATOR_H_
#include <string>
#include "base/memory/ref_counted.h"
#include "base/optional.h"
#include "cobalt/dom/captions/system_caption_settings.h"
#include "cobalt/dom/eme/media_key_system_configuration.h"
#include "cobalt/dom/mime_type_array.h"
#include "cobalt/dom/navigator_ua_data.h"
#include "cobalt/dom/plugin_array.h"
#include "cobalt/media/web_media_player_factory.h"
#include "cobalt/media_capture/media_devices.h"
#include "cobalt/media_session/media_session.h"
#include "cobalt/script/promise.h"
#include "cobalt/script/script_value_factory.h"
#include "cobalt/script/sequence.h"
#include "cobalt/script/wrappable.h"
namespace cobalt {
namespace dom {
// The Navigator object represents the identity and state of the user agent (the
// client), and allows Web pages to register themselves as potential protocol
// and content handlers.
// https://www.w3.org/TR/html50/webappapis.html#navigator
class Navigator : public script::Wrappable {
public:
Navigator(
script::EnvironmentSettings* settings, const std::string& user_agent,
UserAgentPlatformInfo* platform_info, const std::string& language,
scoped_refptr<cobalt::dom::captions::SystemCaptionSettings> captions,
script::ScriptValueFactory* script_value_factory);
// Web API: NavigatorID
const std::string& user_agent() const;
// Web API: NavigatorUA
const scoped_refptr<NavigatorUAData>& user_agent_data() const;
// Web API: NavigatorLanguage
const std::string& language() const;
script::Sequence<std::string> languages() const;
// Web API: NavigatorLicenses
const std::string licenses() const;
// Web API: NavigatorStorageUtils
bool java_enabled() const;
// Web API: NavigatorPlugins
bool cookie_enabled() const;
bool on_line() const;
// Web API: MediaDevices
scoped_refptr<media_capture::MediaDevices> media_devices();
const scoped_refptr<MimeTypeArray>& mime_types() const;
const scoped_refptr<PluginArray>& plugins() const;
const scoped_refptr<media_session::MediaSession>& media_session();
// Set maybe freeze callback.
void set_maybefreeze_callback(const base::Closure& maybe_freeze_callback) {
maybe_freeze_callback_ = maybe_freeze_callback;
}
void set_media_player_factory(const media::WebMediaPlayerFactory* factory) {
media_player_factory_ = factory;
}
// Web API: extension defined in Encrypted Media Extensions (16 March 2017).
using InterfacePromise = script::Promise<scoped_refptr<script::Wrappable>>;
script::Handle<InterfacePromise> RequestMediaKeySystemAccess(
script::EnvironmentSettings* settings, const std::string& key_system,
const script::Sequence<eme::MediaKeySystemConfiguration>&
supported_configurations);
const scoped_refptr<cobalt::dom::captions::SystemCaptionSettings>&
system_caption_settings() const;
DEFINE_WRAPPABLE_TYPE(Navigator);
void TraceMembers(script::Tracer* tracer) override;
private:
~Navigator() override {}
base::Optional<script::Sequence<MediaKeySystemMediaCapability>>
TryGetSupportedCapabilities(
const media::CanPlayTypeHandler& can_play_type_handler,
const std::string& key_system,
const script::Sequence<MediaKeySystemMediaCapability>&
requested_media_capabilities);
base::Optional<eme::MediaKeySystemConfiguration> TryGetSupportedConfiguration(
const media::CanPlayTypeHandler& can_play_type_handler,
const std::string& key_system,
const eme::MediaKeySystemConfiguration& candidate_configuration);
bool CanPlayWithCapability(
const media::CanPlayTypeHandler& can_play_type_handler,
const std::string& key_system,
const MediaKeySystemMediaCapability& media_capability);
bool CanPlayWithoutAttributes(
const media::CanPlayTypeHandler& can_play_type_handler,
const std::string& content_type, const std::string& key_system,
const std::string& encryption_scheme);
bool CanPlayWithAttributes(
const media::CanPlayTypeHandler& can_play_type_handler,
const std::string& content_type, const std::string& key_system,
const std::string& encryption_scheme);
std::string user_agent_;
scoped_refptr<NavigatorUAData> user_agent_data_;
std::string language_;
scoped_refptr<MimeTypeArray> mime_types_;
scoped_refptr<PluginArray> plugins_;
scoped_refptr<cobalt::media_session::MediaSession> media_session_;
scoped_refptr<cobalt::media_capture::MediaDevices> media_devices_;
scoped_refptr<cobalt::dom::captions::SystemCaptionSettings>
system_caption_settings_;
script::ScriptValueFactory* script_value_factory_;
base::Optional<bool> key_system_with_attributes_supported_;
base::Closure maybe_freeze_callback_;
const media::WebMediaPlayerFactory* media_player_factory_ = nullptr;
DISALLOW_COPY_AND_ASSIGN(Navigator);
};
} // namespace dom
} // namespace cobalt
#endif // COBALT_DOM_NAVIGATOR_H_