| // Copyright 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. |
| |
| #ifndef MEDIA_BLINK_KEY_SYSTEM_CONFIG_SELECTOR_H_ |
| #define MEDIA_BLINK_KEY_SYSTEM_CONFIG_SELECTOR_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "base/bind.h" |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "media/base/eme_constants.h" |
| #include "media/blink/media_blink_export.h" |
| #include "third_party/WebKit/public/platform/WebVector.h" |
| |
| namespace blink { |
| |
| struct WebMediaKeySystemConfiguration; |
| struct WebMediaKeySystemMediaCapability; |
| class WebSecurityOrigin; |
| class WebString; |
| |
| } // namespace blink |
| |
| namespace media { |
| |
| struct CdmConfig; |
| class KeySystems; |
| class MediaPermission; |
| |
| class MEDIA_BLINK_EXPORT KeySystemConfigSelector { |
| public: |
| KeySystemConfigSelector( |
| const KeySystems* key_systems, |
| MediaPermission* media_permission); |
| |
| ~KeySystemConfigSelector(); |
| |
| void SelectConfig( |
| const blink::WebString& key_system, |
| const blink::WebVector<blink::WebMediaKeySystemConfiguration>& |
| candidate_configurations, |
| const blink::WebSecurityOrigin& security_origin, |
| bool are_secure_codecs_supported, |
| base::Callback<void(const blink::WebMediaKeySystemConfiguration&, |
| const CdmConfig&)> succeeded_cb, |
| base::Callback<void(const blink::WebString&)> not_supported_cb); |
| |
| private: |
| struct SelectionRequest; |
| class ConfigState; |
| |
| enum ConfigurationSupport { |
| CONFIGURATION_NOT_SUPPORTED, |
| CONFIGURATION_REQUIRES_PERMISSION, |
| CONFIGURATION_SUPPORTED, |
| }; |
| |
| void SelectConfigInternal(std::unique_ptr<SelectionRequest> request); |
| |
| void OnPermissionResult(std::unique_ptr<SelectionRequest> request, |
| bool is_permission_granted); |
| |
| ConfigurationSupport GetSupportedConfiguration( |
| const std::string& key_system, |
| const blink::WebMediaKeySystemConfiguration& candidate, |
| ConfigState* config_state, |
| blink::WebMediaKeySystemConfiguration* accumulated_configuration); |
| |
| bool GetSupportedCapabilities( |
| const std::string& key_system, |
| EmeMediaType media_type, |
| const blink::WebVector<blink::WebMediaKeySystemMediaCapability>& |
| requested_media_capabilities, |
| ConfigState* config_state, |
| std::vector<blink::WebMediaKeySystemMediaCapability>* |
| supported_media_capabilities); |
| |
| bool IsSupportedContentType(const std::string& key_system, |
| EmeMediaType media_type, |
| const std::string& container_mime_type, |
| const std::string& codecs, |
| ConfigState* config_state); |
| |
| const KeySystems* key_systems_; |
| MediaPermission* media_permission_; |
| base::WeakPtrFactory<KeySystemConfigSelector> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(KeySystemConfigSelector); |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_BLINK_KEY_SYSTEM_CONFIG_SELECTOR_H_ |