| // Copyright 2013 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 "cobalt/media/blink/webcontentdecryptionmoduleaccess_impl.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/location.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "cobalt/media/blink/webencryptedmediaclient_impl.h" |
| |
| namespace cobalt { |
| namespace media { |
| |
| // The caller owns the created cdm (passed back using |result|). |
| static void CreateCdm( |
| const base::WeakPtr<WebEncryptedMediaClientImpl>& client, |
| const blink::WebString& key_system, |
| const blink::WebSecurityOrigin& security_origin, |
| const CdmConfig& cdm_config, |
| std::unique_ptr<blink::WebContentDecryptionModuleResult> result) { |
| // If |client| is gone (due to the frame getting destroyed), it is |
| // impossible to create the CDM, so fail. |
| if (!client) { |
| result->completeWithError( |
| blink::WebContentDecryptionModuleExceptionInvalidStateError, 0, |
| "Failed to create CDM."); |
| return; |
| } |
| |
| client->CreateCdm(key_system, security_origin, cdm_config, std::move(result)); |
| } |
| |
| WebContentDecryptionModuleAccessImpl* |
| WebContentDecryptionModuleAccessImpl::Create( |
| const blink::WebString& key_system, |
| const blink::WebSecurityOrigin& security_origin, |
| const blink::WebMediaKeySystemConfiguration& configuration, |
| const CdmConfig& cdm_config, |
| const base::WeakPtr<WebEncryptedMediaClientImpl>& client) { |
| return new WebContentDecryptionModuleAccessImpl( |
| key_system, security_origin, configuration, cdm_config, client); |
| } |
| |
| WebContentDecryptionModuleAccessImpl::WebContentDecryptionModuleAccessImpl( |
| const blink::WebString& key_system, |
| const blink::WebSecurityOrigin& security_origin, |
| const blink::WebMediaKeySystemConfiguration& configuration, |
| const CdmConfig& cdm_config, |
| const base::WeakPtr<WebEncryptedMediaClientImpl>& client) |
| : key_system_(key_system), |
| security_origin_(security_origin), |
| configuration_(configuration), |
| cdm_config_(cdm_config), |
| client_(client) {} |
| |
| WebContentDecryptionModuleAccessImpl::~WebContentDecryptionModuleAccessImpl() {} |
| |
| blink::WebMediaKeySystemConfiguration |
| WebContentDecryptionModuleAccessImpl::getConfiguration() { |
| return configuration_; |
| } |
| |
| void WebContentDecryptionModuleAccessImpl::createContentDecryptionModule( |
| blink::WebContentDecryptionModuleResult result) { |
| // This method needs to run asynchronously, as it may need to load the CDM. |
| // As this object's lifetime is controlled by MediaKeySystemAccess on the |
| // blink side, copy all values needed by CreateCdm() in case the blink object |
| // gets garbage-collected. |
| std::unique_ptr<blink::WebContentDecryptionModuleResult> result_copy( |
| new blink::WebContentDecryptionModuleResult(result)); |
| base::ThreadTaskRunnerHandle::Get()->PostTask( |
| FROM_HERE, base::Bind(&CreateCdm, client_, key_system_, security_origin_, |
| cdm_config_, base::Passed(&result_copy))); |
| } |
| |
| } // namespace media |
| } // namespace cobalt |