gecko-dev/dom/base/nsMimeTypeArray.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 sw=2 et tw=79: */
/* 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 "nsAutoPtr.h"
#include "nsPIDOMWindow.h"
class nsMimeType;
class nsPluginElement;
class nsMimeTypeArray MOZ_FINAL : public nsISupports,
public nsWrapperCache
{
public:
nsMimeTypeArray(nsPIDOMWindow* aWindow);
virtual ~nsMimeTypeArray();
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsMimeTypeArray)
nsPIDOMWindow* GetParentObject() const;
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aScope) MOZ_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:
void EnsureMimeTypes();
void Clear();
nsCOMPtr<nsPIDOMWindow> mWindow;
// mMimeTypes contains all mime types handled by plugins followed by
// any other mime types that we handle internally and have been
// looked up before.
nsTArray<nsRefPtr<nsMimeType> > mMimeTypes;
// mPluginMimeTypeCount is the number of plugin mime types that we
// have in mMimeTypes. The plugin mime types are always at the
// beginning of the list.
uint32_t mPluginMimeTypeCount;
};
class nsMimeType MOZ_FINAL : public nsWrapperCache
{
public:
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(nsMimeType)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(nsMimeType)
nsMimeType(nsPIDOMWindow* aWindow, nsPluginElement* aPluginElement,
uint32_t aPluginTagMimeIndex, const nsAString& aMimeType);
nsMimeType(nsPIDOMWindow* aWindow, const nsAString& aMimeType);
virtual ~nsMimeType();
nsPIDOMWindow* GetParentObject() const;
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aScope) MOZ_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:
nsCOMPtr<nsPIDOMWindow> mWindow;
// Strong reference to the active plugin, if any. 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.
nsRefPtr<nsPluginElement> mPluginElement;
uint32_t mPluginTagMimeIndex;
nsString mType;
};
#endif /* nsMimeTypeArray_h___ */