gecko-dev/dom/base/nsMimeTypeArray.h

93 строки
2.7 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 "nsString.h"
#include "nsTArray.h"
#include "nsWrapperCache.h"
#include "nsPIDOMWindow.h"
class nsMimeType;
class nsPluginElement;
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;
void Refresh();
// MimeTypeArray WebIDL methods
nsMimeType* Item(uint32_t index);
nsMimeType* NamedItem(const nsAString& name);
nsMimeType* IndexedGetter(uint32_t index, bool &found);
nsMimeType* NamedGetter(const nsAString& name, bool &found);
uint32_t Length();
void GetSupportedNames(nsTArray<nsString>& retval);
protected:
virtual ~nsMimeTypeArray();
void EnsurePluginMimeTypes();
void Clear();
nsCOMPtr<nsPIDOMWindowInner> mWindow;
// mMimeTypes contains MIME types handled by plugins or by an OS
// PreferredApplicationHandler.
nsTArray<RefPtr<nsMimeType> > mMimeTypes;
};
class nsMimeType final : public nsWrapperCache
{
public:
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(nsMimeType)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(nsMimeType)
nsMimeType(nsPIDOMWindowInner* aWindow,
nsPluginElement* aPluginElement,
const nsAString& aType,
const nsAString& aDescription,
const nsAString& aExtension);
nsPIDOMWindowInner* GetParentObject() const;
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
const nsString& Type() const
{
return mType;
}
// MimeType WebIDL methods
void GetDescription(nsString& retval) const;
nsPluginElement *GetEnabledPlugin() const;
void GetSuffixes(nsString& retval) const;
void GetType(nsString& retval) const;
protected:
virtual ~nsMimeType();
nsCOMPtr<nsPIDOMWindowInner> mWindow;
// Strong reference to the active plugin. Note that this creates an explicit
// reference cycle through the plugin element's mimetype array. We rely on the
// cycle collector to break this cycle.
RefPtr<nsPluginElement> mPluginElement;
nsString mType;
nsString mDescription;
nsString mExtension;
};
#endif /* nsMimeTypeArray_h___ */