| // 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 "content/renderer/media/webcontentdecryptionmodulesession_impl.h" |
| |
| #include "base/callback_helpers.h" |
| #include "base/logging.h" |
| #include "base/strings/string_util.h" |
| #include "third_party/WebKit/public/platform/WebURL.h" |
| |
| namespace content { |
| |
| WebContentDecryptionModuleSessionImpl::WebContentDecryptionModuleSessionImpl( |
| uint32 session_id, |
| media::MediaKeys* media_keys, |
| Client* client, |
| const SessionClosedCB& session_closed_cb) |
| : media_keys_(media_keys), |
| client_(client), |
| session_closed_cb_(session_closed_cb), |
| session_id_(session_id) { |
| DCHECK(media_keys_); |
| } |
| |
| WebContentDecryptionModuleSessionImpl:: |
| ~WebContentDecryptionModuleSessionImpl() { |
| } |
| |
| blink::WebString WebContentDecryptionModuleSessionImpl::sessionId() const { |
| return web_session_id_; |
| } |
| |
| void WebContentDecryptionModuleSessionImpl::generateKeyRequest( |
| const blink::WebString& mime_type, |
| const uint8* init_data, size_t init_data_length) { |
| // TODO(ddorwin): Guard against this in supported types check and remove this. |
| // Chromium only supports ASCII MIME types. |
| if (!IsStringASCII(mime_type)) { |
| NOTREACHED(); |
| OnSessionError(media::MediaKeys::kUnknownError, 0); |
| return; |
| } |
| |
| media_keys_->CreateSession( |
| session_id_, UTF16ToASCII(mime_type), init_data, init_data_length); |
| } |
| |
| void WebContentDecryptionModuleSessionImpl::update(const uint8* response, |
| size_t response_length) { |
| DCHECK(response); |
| media_keys_->UpdateSession(session_id_, response, response_length); |
| } |
| |
| void WebContentDecryptionModuleSessionImpl::close() { |
| media_keys_->ReleaseSession(session_id_); |
| } |
| |
| void WebContentDecryptionModuleSessionImpl::OnSessionCreated( |
| const std::string& web_session_id) { |
| // Due to heartbeat messages, OnSessionCreated() can get called multiple |
| // times. |
| // TODO(jrummell): Once all CDMs are updated to support reference ids, |
| // OnSessionCreated() should only be called once, and the second check can be |
| // removed. |
| blink::WebString id = blink::WebString::fromUTF8(web_session_id); |
| DCHECK(web_session_id_.isEmpty() || web_session_id_ == id) |
| << "Session ID may not be changed once set."; |
| web_session_id_ = id; |
| } |
| |
| void WebContentDecryptionModuleSessionImpl::OnSessionMessage( |
| const std::vector<uint8>& message, |
| const std::string& destination_url) { |
| client_->keyMessage(message.empty() ? NULL : &message[0], |
| message.size(), |
| GURL(destination_url)); |
| } |
| |
| void WebContentDecryptionModuleSessionImpl::OnSessionReady() { |
| // TODO(jrummell): Blink APIs need to be updated to the new EME API. For now, |
| // convert the response to the old v0.1b API. |
| client_->keyAdded(); |
| } |
| |
| void WebContentDecryptionModuleSessionImpl::OnSessionClosed() { |
| if (!session_closed_cb_.is_null()) |
| base::ResetAndReturn(&session_closed_cb_).Run(session_id_); |
| } |
| |
| void WebContentDecryptionModuleSessionImpl::OnSessionError( |
| media::MediaKeys::KeyError error_code, |
| int system_code) { |
| client_->keyError(static_cast<Client::MediaKeyErrorCode>(error_code), |
| system_code); |
| } |
| |
| } // namespace content |