tenfourfox/dom/media/eme/MediaKeyStatusMap.cpp
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

130 lines
3.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/MediaKeyStatusMap.h"
#include "nsPIDOMWindow.h"
#include "mozilla/dom/UnionTypes.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/EMEUtils.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTING_ADDREF(MediaKeyStatusMap)
NS_IMPL_CYCLE_COLLECTING_RELEASE(MediaKeyStatusMap)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(MediaKeyStatusMap)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(MediaKeyStatusMap, mParent)
MediaKeyStatusMap::MediaKeyStatusMap(nsPIDOMWindow* aParent)
: mParent(aParent)
{
}
MediaKeyStatusMap::~MediaKeyStatusMap()
{
}
JSObject*
MediaKeyStatusMap::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return MediaKeyStatusMapBinding::Wrap(aCx, this, aGivenProto);
}
nsPIDOMWindow*
MediaKeyStatusMap::GetParentObject() const
{
return mParent;
}
MediaKeyStatus
MediaKeyStatusMap::Get(const ArrayBufferViewOrArrayBuffer& aKey) const
{
ArrayData keyId = GetArrayBufferViewOrArrayBufferData(aKey);
if (!keyId.IsValid()) {
return MediaKeyStatus::Internal_error;
}
for (const KeyStatus& status : mStatuses) {
if (keyId == status.mKeyId) {
return status.mStatus;
}
}
return MediaKeyStatus::Internal_error;
}
bool
MediaKeyStatusMap::Has(const ArrayBufferViewOrArrayBuffer& aKey) const
{
ArrayData keyId = GetArrayBufferViewOrArrayBufferData(aKey);
if (!keyId.IsValid()) {
return false;
}
for (const KeyStatus& status : mStatuses) {
if (keyId == status.mKeyId) {
return true;
}
}
return false;
}
uint32_t
MediaKeyStatusMap::GetIterableLength() const
{
return mStatuses.Length();
}
TypedArrayCreator<ArrayBuffer>
MediaKeyStatusMap::GetKeyAtIndex(uint32_t aIndex) const
{
MOZ_ASSERT(aIndex < GetIterableLength());
return TypedArrayCreator<ArrayBuffer>(mStatuses[aIndex].mKeyId);
}
MediaKeyStatus
MediaKeyStatusMap::GetValueAtIndex(uint32_t aIndex) const
{
MOZ_ASSERT(aIndex < GetIterableLength());
return mStatuses[aIndex].mStatus;
}
uint32_t
MediaKeyStatusMap::Size() const
{
return mStatuses.Length();
}
static MediaKeyStatus
ToMediaKeyStatus(GMPMediaKeyStatus aStatus) {
switch (aStatus) {
case kGMPUsable: return MediaKeyStatus::Usable;
case kGMPExpired: return MediaKeyStatus::Expired;
case kGMPOutputDownscaled: return MediaKeyStatus::Output_downscaled;
case kGMPOutputRestricted: return MediaKeyStatus::Output_restricted;
case kGMPInternalError: return MediaKeyStatus::Internal_error;
case kGMPReleased: return MediaKeyStatus::Released;
case kGMPStatusPending: return MediaKeyStatus::Status_pending;
default: return MediaKeyStatus::Internal_error;
}
}
void
MediaKeyStatusMap::Update(const nsTArray<CDMCaps::KeyStatus>& aKeys)
{
mStatuses.Clear();
for (const auto& key : aKeys) {
mStatuses.InsertElementSorted(KeyStatus(key.mId, ToMediaKeyStatus(key.mStatus)));
}
}
} // namespace dom
} // namespace mozilla