From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- dom/base/nsPluginArray.h | 134 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 dom/base/nsPluginArray.h (limited to 'dom/base/nsPluginArray.h') diff --git a/dom/base/nsPluginArray.h b/dom/base/nsPluginArray.h new file mode 100644 index 0000000000..7b1cc65440 --- /dev/null +++ b/dom/base/nsPluginArray.h @@ -0,0 +1,134 @@ +/* -*- 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 nsPluginArray_h___ +#define nsPluginArray_h___ + +#include "nsWeakReference.h" +#include "nsWrapperCache.h" +#include "nsCOMPtr.h" +#include "nsString.h" +#include "nsTArray.h" +#include "mozilla/Array.h" + +class nsPIDOMWindowInner; +class nsPluginElement; +class nsMimeTypeArray; +class nsMimeType; + +/** + * Array class backing HTML's navigator.plugins. This always holds references + * to the hard-coded set of PDF plugins defined by HTML but it only consults + * them if "pdfjs.disabled" is false. There is never more than one of these + * per DOM window. + */ +class nsPluginArray final : public nsSupportsWeakReference, + public nsWrapperCache { + public: + NS_DECL_CYCLE_COLLECTING_ISUPPORTS + NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(nsPluginArray) + + explicit nsPluginArray(nsPIDOMWindowInner* aWindow); + nsPIDOMWindowInner* GetParentObject() const; + virtual JSObject* WrapObject(JSContext* aCx, + JS::Handle aGivenProto) override; + + nsMimeTypeArray* MimeTypeArray() { return mMimeTypeArray; } + + // PluginArray WebIDL methods + uint32_t Length() { return ForceNoPlugins() ? 0 : ArrayLength(mPlugins); } + + nsPluginElement* Item(uint32_t aIndex) { + bool unused; + return IndexedGetter(aIndex, unused); + } + + nsPluginElement* NamedItem(const nsAString& aName) { + bool unused; + return NamedGetter(aName, unused); + } + + nsPluginElement* IndexedGetter(uint32_t aIndex, bool& aFound); + + nsPluginElement* NamedGetter(const nsAString& aName, bool& aFound); + + void GetSupportedNames(nsTArray& aRetval); + + void Refresh() {} + + private: + virtual ~nsPluginArray(); + + bool ForceNoPlugins(); + + RefPtr mMimeTypeArray; + nsCOMPtr mWindow; + mozilla::Array, 5> mPlugins; +}; + +/** + * Plugin class backing entries in HTML's navigator.plugins array. There is + * a fixed set of these, as defined by HTML. + */ +class nsPluginElement final : public nsISupports, public nsWrapperCache { + public: + NS_DECL_CYCLE_COLLECTING_ISUPPORTS + NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(nsPluginElement) + + explicit nsPluginElement(nsPluginArray* aPluginArray, + nsPIDOMWindowInner* aWindow, const nsAString& aName); + + nsPluginArray* GetParentObject() const; + + virtual JSObject* WrapObject(JSContext* aCx, + JS::Handle aGivenProto) override; + + // Plugin WebIDL methods + void GetDescription(nsString& retval) const { retval = kDescription; } + + void GetFilename(nsString& retval) const { retval = kFilename; } + + void GetName(nsString& retval) const { retval = mName; } + const nsString& Name() const { return mName; } + + nsMimeType* Item(uint32_t index) { + bool unused; + return IndexedGetter(index, unused); + } + + nsMimeType* NamedItem(const nsAString& name) { + bool unused; + return NamedGetter(name, unused); + } + + uint32_t Length(); + + nsMimeType* IndexedGetter(uint32_t index, bool& found); + + nsMimeType* NamedGetter(const nsAString& name, bool& found); + + void GetSupportedNames(nsTArray& retval); + + protected: + virtual ~nsPluginElement() = default; + + nsMimeTypeArray* MimeTypeArray() { return mPluginArray->MimeTypeArray(); } + + static constexpr nsLiteralString kDescription = + u"Portable Document Format"_ns; + static constexpr nsLiteralString kFilename = u"internal-pdf-viewer"_ns; + + // Note that this creates an explicit reference cycle: + // + // nsPluginElement -> nsPluginArray -> nsPluginElement + // + // We rely on the cycle collector to break this cycle. + RefPtr mPluginArray; + nsCOMPtr mWindow; + nsString mName; +}; + +#endif /* nsPluginArray_h___ */ -- cgit v1.2.3