зеркало из https://github.com/mozilla/gecko-dev.git
100 строки
3.2 KiB
C++
100 строки
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsMimeTypeArray_h___
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#define nsMimeTypeArray_h___
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#include "nsString.h"
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#include "nsTArray.h"
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#include "nsWrapperCache.h"
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#include "nsAutoPtr.h"
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#include "nsPIDOMWindow.h"
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class nsMimeType;
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class nsPluginElement;
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class nsMimeTypeArray final : public nsISupports,
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public nsWrapperCache
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{
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public:
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explicit nsMimeTypeArray(nsPIDOMWindow* aWindow);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsMimeTypeArray)
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nsPIDOMWindow* GetParentObject() const;
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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void Refresh();
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// MimeTypeArray WebIDL methods
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nsMimeType* Item(uint32_t index);
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nsMimeType* NamedItem(const nsAString& name);
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nsMimeType* IndexedGetter(uint32_t index, bool &found);
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nsMimeType* NamedGetter(const nsAString& name, bool &found);
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bool NameIsEnumerable(const nsAString& name);
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uint32_t Length();
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void GetSupportedNames(unsigned, nsTArray< nsString >& retval);
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protected:
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virtual ~nsMimeTypeArray();
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void EnsurePluginMimeTypes();
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void Clear();
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nsCOMPtr<nsPIDOMWindow> mWindow;
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// mMimeTypes contains MIME types handled by non-hidden plugins, those
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// popular plugins that must be exposed in navigator.plugins enumeration to
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// avoid breaking web content. Likewise, mMimeTypes are exposed in
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// navigator.mimeTypes enumeration.
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nsTArray<nsRefPtr<nsMimeType> > mMimeTypes;
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// mHiddenMimeTypes contains MIME types handled by plugins hidden from
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// navigator.plugins enumeration or by an OS PreferredApplicationHandler.
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// mHiddenMimeTypes are hidden from navigator.mimeTypes enumeration.
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nsTArray<nsRefPtr<nsMimeType> > mHiddenMimeTypes;
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};
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class nsMimeType final : public nsWrapperCache
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{
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public:
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NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(nsMimeType)
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(nsMimeType)
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nsMimeType(nsPIDOMWindow* aWindow, nsPluginElement* aPluginElement,
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uint32_t aPluginTagMimeIndex, const nsAString& aMimeType);
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nsMimeType(nsPIDOMWindow* aWindow, const nsAString& aMimeType);
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nsPIDOMWindow* GetParentObject() const;
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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const nsString& Type() const
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{
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return mType;
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}
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// MimeType WebIDL methods
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void GetDescription(nsString& retval) const;
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nsPluginElement *GetEnabledPlugin() const;
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void GetSuffixes(nsString& retval) const;
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void GetType(nsString& retval) const;
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protected:
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virtual ~nsMimeType();
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nsCOMPtr<nsPIDOMWindow> mWindow;
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// Strong reference to the active plugin, if any. Note that this
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// creates an explicit reference cycle through the plugin element's
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// mimetype array. We rely on the cycle collector to break this
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// cycle.
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nsRefPtr<nsPluginElement> mPluginElement;
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uint32_t mPluginTagMimeIndex;
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nsString mType;
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};
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#endif /* nsMimeTypeArray_h___ */
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