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/* -*- 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 "nsMimeTypeArray.h"
#include "mozilla/dom/MimeTypeArrayBinding.h"
#include "mozilla/dom/MimeTypeBinding.h"
#include "nsPIDOMWindow.h"
#include "nsPluginArray.h"
#include "mozilla/dom/Navigator.h"
#include "nsServiceManagerUtils.h"
#include "nsContentUtils.h"
#include "nsPluginTags.h"
using namespace mozilla;
using namespace mozilla::dom;
NS_IMPL_CYCLE_COLLECTING_ADDREF(nsMimeTypeArray)
NS_IMPL_CYCLE_COLLECTING_RELEASE(nsMimeTypeArray)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsMimeTypeArray)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(nsMimeTypeArray, mWindow, mMimeTypes,
mCTPMimeTypes)
nsMimeTypeArray::nsMimeTypeArray(nsPIDOMWindowInner* aWindow)
: mWindow(aWindow) {}
nsMimeTypeArray::~nsMimeTypeArray() = default;
JSObject* nsMimeTypeArray::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return MimeTypeArray_Binding::Wrap(aCx, this, aGivenProto);
}
void nsMimeTypeArray::Refresh() {
mMimeTypes.Clear();
mCTPMimeTypes.Clear();
}
nsPIDOMWindowInner* nsMimeTypeArray::GetParentObject() const {
MOZ_ASSERT(mWindow);
return mWindow;
}
nsMimeType* nsMimeTypeArray::Item(uint32_t aIndex, CallerType aCallerType) {
bool unused;
return IndexedGetter(aIndex, unused, aCallerType);
}
nsMimeType* nsMimeTypeArray::NamedItem(const nsAString& aName,
CallerType aCallerType) {
bool unused;
return NamedGetter(aName, unused, aCallerType);
}
nsMimeType* nsMimeTypeArray::IndexedGetter(uint32_t aIndex, bool& aFound,
CallerType aCallerType) {
aFound = false;
if (nsContentUtils::ResistFingerprinting(aCallerType)) {
return nullptr;
}
EnsurePluginMimeTypes();
if (aIndex >= mMimeTypes.Length()) {
return nullptr;
}
aFound = true;
return mMimeTypes[aIndex];
}
static nsMimeType* FindMimeType(const nsTArray<RefPtr<nsMimeType>>& aMimeTypes,
const nsAString& aType) {
for (uint32_t i = 0; i < aMimeTypes.Length(); ++i) {
nsMimeType* mimeType = aMimeTypes[i];
if (aType.Equals(mimeType->Type())) {
return mimeType;
}
}
return nullptr;
}
nsMimeType* nsMimeTypeArray::NamedGetter(const nsAString& aName, bool& aFound,
CallerType aCallerType) {
aFound = false;
if (nsContentUtils::ResistFingerprinting(aCallerType)) {
return nullptr;
}
EnsurePluginMimeTypes();
nsString lowerName(aName);
ToLowerCase(lowerName);
nsMimeType* mimeType = FindMimeType(mMimeTypes, lowerName);
if (mimeType) {
aFound = true;
return mimeType;
}
nsMimeType* hiddenType = FindMimeType(mCTPMimeTypes, lowerName);
if (hiddenType) {
nsPluginArray::NotifyHiddenPluginTouched(hiddenType->GetEnabledPlugin());
}
return nullptr;
}
uint32_t nsMimeTypeArray::Length(CallerType aCallerType) {
if (nsContentUtils::ResistFingerprinting(aCallerType)) {
return 0;
}
EnsurePluginMimeTypes();
return mMimeTypes.Length();
}
void nsMimeTypeArray::GetSupportedNames(nsTArray<nsString>& aRetval,
CallerType aCallerType) {
if (nsContentUtils::ResistFingerprinting(aCallerType)) {
return;
}
EnsurePluginMimeTypes();
for (uint32_t i = 0; i < mMimeTypes.Length(); ++i) {
aRetval.AppendElement(mMimeTypes[i]->Type());
}
}
void nsMimeTypeArray::EnsurePluginMimeTypes() {
if (!mMimeTypes.IsEmpty() || !mWindow) {
return;
}
RefPtr<Navigator> navigator = mWindow->Navigator();
nsPluginArray* pluginArray = navigator->GetPlugins(IgnoreErrors());
if (!pluginArray) {
return;
}
pluginArray->GetMimeTypes(mMimeTypes);
pluginArray->GetCTPMimeTypes(mCTPMimeTypes);
}
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(nsMimeType, AddRef)
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(nsMimeType, Release)
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(nsMimeType, mWindow, mPluginElement)
nsMimeType::nsMimeType(nsPIDOMWindowInner* aWindow,
nsPluginElement* aPluginElement, const nsAString& aType,
const nsAString& aDescription,
const nsAString& aExtension)
: mWindow(aWindow),
mPluginElement(aPluginElement),
mType(aType),
mDescription(aDescription),
mExtension(aExtension) {
MOZ_ASSERT(aPluginElement);
}
nsMimeType::~nsMimeType() = default;
nsPIDOMWindowInner* nsMimeType::GetParentObject() const {
MOZ_ASSERT(mWindow);
return mWindow;
}
JSObject* nsMimeType::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return MimeType_Binding::Wrap(aCx, this, aGivenProto);
}
void nsMimeType::GetDescription(nsString& aRetval) const {
aRetval = mDescription;
}
nsPluginElement* nsMimeType::GetEnabledPlugin() const {
// mPluginElement might be null if we got unlinked but are still somehow being
// called into.
if (!mPluginElement || !mPluginElement->PluginTag()->IsEnabled()) {
return nullptr;
}
return mPluginElement;
}
void nsMimeType::GetSuffixes(nsString& aRetval) const { aRetval = mExtension; }
void nsMimeType::GetType(nsString& aRetval) const { aRetval = mType; }
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