зеркало из https://github.com/mozilla/gecko-dev.git
122 строки
4.0 KiB
C++
122 строки
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 sw=2 et tw=79: */
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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 nsPluginArray_h___
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#define nsPluginArray_h___
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#include "nsTArray.h"
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#include "nsWeakReference.h"
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#include "nsIObserver.h"
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#include "nsWrapperCache.h"
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#include "nsPluginTags.h"
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#include "nsPIDOMWindow.h"
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class nsPluginElement;
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class nsMimeType;
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class nsPluginArray final : public nsIObserver,
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public nsSupportsWeakReference,
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public nsWrapperCache
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsPluginArray,
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nsIObserver)
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// nsIObserver
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NS_DECL_NSIOBSERVER
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explicit nsPluginArray(nsPIDOMWindow* aWindow);
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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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// nsPluginArray registers itself as an observer with a weak reference.
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// This can't be done in the constructor, because at that point its
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// refcount is 0 (and it gets destroyed upon registration). So, Init()
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// must be called after construction.
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void Init();
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void Invalidate();
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void GetMimeTypes(nsTArray<nsRefPtr<nsMimeType> >& aMimeTypes,
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nsTArray<nsRefPtr<nsMimeType> >& aHiddenMimeTypes);
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// PluginArray WebIDL methods
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nsPluginElement* Item(uint32_t aIndex);
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nsPluginElement* NamedItem(const nsAString& aName);
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void Refresh(bool aReloadDocuments);
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nsPluginElement* IndexedGetter(uint32_t aIndex, bool &aFound);
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nsPluginElement* NamedGetter(const nsAString& aName, bool &aFound);
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bool NameIsEnumerable(const nsAString& aName);
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uint32_t Length();
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void GetSupportedNames(unsigned, nsTArray<nsString>& aRetval);
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private:
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virtual ~nsPluginArray();
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bool AllowPlugins() const;
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void EnsurePlugins();
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nsCOMPtr<nsPIDOMWindow> mWindow;
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// Many sites check whether a particular plugin is installed by enumerating
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// all navigator.plugins, checking each plugin's name. These sites should
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// just check navigator.plugins["Popular Plugin Name"] instead. mPlugins
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// contains those popular plugins that must be exposed in navigator.plugins
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// enumeration to avoid breaking web content.
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nsTArray<nsRefPtr<nsPluginElement> > mPlugins;
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// mHiddenPlugins contains plugins that can be queried by
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// navigator.plugins["Hidden Plugin Name"] but do not need to be exposed in
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// navigator.plugins enumeration.
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nsTArray<nsRefPtr<nsPluginElement> > mHiddenPlugins;
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};
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class nsPluginElement final : public nsISupports,
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public nsWrapperCache
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsPluginElement)
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nsPluginElement(nsPIDOMWindow* aWindow, nsPluginTag* aPluginTag);
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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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nsPluginTag* PluginTag() const
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{
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return mPluginTag;
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}
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// Plugin WebIDL methods
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void GetDescription(nsString& retval) const;
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void GetFilename(nsString& retval) const;
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void GetVersion(nsString& retval) const;
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void GetName(nsString& retval) const;
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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& aName);
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uint32_t Length();
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void GetSupportedNames(unsigned, nsTArray<nsString>& retval);
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nsTArray<nsRefPtr<nsMimeType> >& MimeTypes();
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protected:
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~nsPluginElement();
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void EnsurePluginMimeTypes();
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nsCOMPtr<nsPIDOMWindow> mWindow;
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nsRefPtr<nsPluginTag> mPluginTag;
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nsTArray<nsRefPtr<nsMimeType> > mMimeTypes;
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};
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#endif /* nsPluginArray_h___ */
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