gecko-dev/dom/base/nsMimeTypeArray.h

114 строки
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/. */
#ifndef nsMimeTypeArray_h___
#define nsMimeTypeArray_h___
#include "nsWrapperCache.h"
#include "nsCOMPtr.h"
#include "nsPIDOMWindow.h"
#include "nsTArray.h"
#include "mozilla/dom/BindingDeclarations.h"
class nsMimeType;
class nsPluginElement;
namespace mozilla::dom {
enum class CallerType : uint32_t;
} // namespace mozilla::dom
/**
* Array class backing HTML's navigator.mimeTypes. This array is always empty.
*/
class nsMimeTypeArray final : public nsISupports, public nsWrapperCache {
public:
explicit nsMimeTypeArray(nsPIDOMWindowInner* aWindow);
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsMimeTypeArray)
nsPIDOMWindowInner* GetParentObject() const;
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
// MimeTypeArray WebIDL methods
nsMimeType* Item(uint32_t index, mozilla::dom::CallerType aCallerType) {
return nullptr;
}
nsMimeType* NamedItem(const nsAString& name,
mozilla::dom::CallerType aCallerType) {
return nullptr;
}
nsMimeType* IndexedGetter(uint32_t index, bool& found,
mozilla::dom::CallerType aCallerType) {
return nullptr;
}
nsMimeType* NamedGetter(const nsAString& name, bool& found,
mozilla::dom::CallerType aCallerType) {
return nullptr;
}
uint32_t Length(mozilla::dom::CallerType aCallerType) { return 0; }
void GetSupportedNames(nsTArray<nsString>& retval,
mozilla::dom::CallerType aCallerType) {}
protected:
virtual ~nsMimeTypeArray();
nsCOMPtr<nsPIDOMWindowInner> mWindow;
};
/**
* Mime type class backing entries in HTML's navigator.mimeTypes array.
* Currently, these cannot be constructed.
*/
class nsMimeType final : public nsWrapperCache {
public:
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(nsMimeType)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(nsMimeType)
// Never constructed.
nsMimeType() = delete;
nsPIDOMWindowInner* GetParentObject() const {
MOZ_ASSERT_UNREACHABLE("nsMimeType can not exist");
return nullptr;
}
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override {
MOZ_ASSERT_UNREACHABLE("nsMimeType can not exist");
return nullptr;
}
// MimeType WebIDL methods
void GetDescription(nsString& retval) const {
MOZ_ASSERT_UNREACHABLE("nsMimeType can not exist");
}
nsPluginElement* GetEnabledPlugin() const {
MOZ_ASSERT_UNREACHABLE("nsMimeType can not exist");
return nullptr;
}
void GetSuffixes(nsString& retval) const {
MOZ_ASSERT_UNREACHABLE("nsMimeType can not exist");
}
void GetType(nsString& retval) const {
MOZ_ASSERT_UNREACHABLE("nsMimeType can not exist");
}
protected:
virtual ~nsMimeType() = default;
};
#endif /* nsMimeTypeArray_h___ */