media_keys.cc | Explore in Territory

/*
 * Copyright (C) 2013 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "third_party/blink/renderer/modules/encryptedmedia/media_keys.h"

#include <memory>

#include "base/memory/scoped_refptr.h"
#include "media/base/content_decryption_module.h"
#include "media/base/key_systems.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "services/metrics/public/cpp/ukm_recorder.h"
#include "third_party/blink/public/platform/task_type.h"
#include "third_party/blink/public/platform/web_content_decryption_module.h"
#include "third_party/blink/public/platform/web_encrypted_media_key_information.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_media_keys_policy.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/dom_exception.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/html/media/html_media_element.h"
#include "third_party/blink/renderer/core/typed_arrays/dom_array_buffer.h"
#include "third_party/blink/renderer/modules/encryptedmedia/content_decryption_module_result_promise.h"
#include "third_party/blink/renderer/modules/encryptedmedia/encrypted_media_utils.h"
#include "third_party/blink/renderer/modules/encryptedmedia/media_key_session.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/bindings/script_state.h"
#include "third_party/blink/renderer/platform/bindings/v8_throw_exception.h"
#include "third_party/blink/renderer/platform/instrumentation/instance_counters.h"
#include "third_party/blink/renderer/platform/timer.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"

#define MEDIA_KEYS_LOG_LEVEL …

namespace blink {

// A class holding a pending action.
class MediaKeys::PendingAction final
    : public GarbageCollected<MediaKeys::PendingAction> { … };

// This class wraps the promise resolver used when setting the certificate
// and is passed to Chromium to fullfill the promise. This implementation of
// complete() will resolve the promise with true, while completeWithError()
// will reject the promise with an exception. completeWithSession()
// is not expected to be called, and will reject the promise.
class SetCertificateResultPromise
    : public ContentDecryptionModuleResultPromise { … };

// This class wraps the promise resolver used when getting the key status for
// policy and is passed to Chromium to fullfill the promise.
class GetStatusForPolicyResultPromise
    : public ContentDecryptionModuleResultPromise { … };

MediaKeys::MediaKeys(
    ExecutionContext* context,
    const WebVector<WebEncryptedMediaSessionType>& supported_session_types,
    std::unique_ptr<WebContentDecryptionModule> cdm,
    const MediaKeysConfig& config)
    : … { … }

MediaKeys::~MediaKeys() { … }

MediaKeySession* MediaKeys::createSession(ScriptState* script_state,
                                          const String& session_type_string,
                                          ExceptionState& exception_state) { … }

ScriptPromise<IDLBoolean> MediaKeys::setServerCertificate(
    ScriptState* script_state,
    const DOMArrayPiece& server_certificate,
    ExceptionState& exception_state) { … }

void MediaKeys::SetServerCertificateTask(
    DOMArrayBuffer* server_certificate,
    ContentDecryptionModuleResult* result) { … }

ScriptPromise<V8MediaKeyStatus> MediaKeys::getStatusForPolicy(
    ScriptState* script_state,
    const MediaKeysPolicy* media_keys_policy,
    ExceptionState& exception_state) { … }

void MediaKeys::GetStatusForPolicyTask(const String& min_hdcp_version,
                                       ContentDecryptionModuleResult* result) { … }

bool MediaKeys::ReserveForMediaElement(HTMLMediaElement* media_element) { … }

void MediaKeys::AcceptReservation() { … }

void MediaKeys::CancelReservation() { … }

void MediaKeys::ClearMediaElement() { … }

bool MediaKeys::SessionTypeSupported(
    WebEncryptedMediaSessionType session_type) { … }

void MediaKeys::TimerFired(TimerBase*) { … }

WebContentDecryptionModule* MediaKeys::ContentDecryptionModule() { … }

void MediaKeys::Trace(Visitor* visitor) const { … }

void MediaKeys::ContextDestroyed() { … }

bool MediaKeys::HasPendingActivity() const { … }

}  // namespace blink
chromium/third_party/blink/renderer/modules/encryptedmedia/media_keys.cc
