gecko-dev/dom/base/nsPluginArray.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: */
2012-05-21 11:12:37 +00:00
/* 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/. */
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#ifndef nsPluginArray_h___
#define nsPluginArray_h___
#include "nsTArray.h"
#include "nsWeakReference.h"
#include "nsIObserver.h"
#include "nsWrapperCache.h"
#include "nsPluginTags.h"
#include "nsPIDOMWindow.h"
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class nsPluginElement;
class nsMimeType;
class nsPluginArray MOZ_FINAL : public nsIObserver,
public nsSupportsWeakReference,
public nsWrapperCache
{
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public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsPluginArray,
nsIObserver)
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// nsIObserver
NS_DECL_NSIOBSERVER
nsPluginArray(nsPIDOMWindow* aWindow);
virtual ~nsPluginArray();
nsPIDOMWindow* GetParentObject() const;
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
// nsPluginArray registers itself as an observer with a weak reference.
// This can't be done in the constructor, because at that point its
// refcount is 0 (and it gets destroyed upon registration). So, Init()
// must be called after construction.
void Init();
void Invalidate();
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void GetMimeTypes(nsTArray<nsRefPtr<nsMimeType> >& aMimeTypes,
nsTArray<nsRefPtr<nsMimeType> >& aHiddenMimeTypes);
// PluginArray WebIDL methods
nsPluginElement* Item(uint32_t aIndex);
nsPluginElement* NamedItem(const nsAString& aName);
void Refresh(bool aReloadDocuments);
nsPluginElement* IndexedGetter(uint32_t aIndex, bool &aFound);
nsPluginElement* NamedGetter(const nsAString& aName, bool &aFound);
uint32_t Length();
void GetSupportedNames(nsTArray< nsString >& aRetval);
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private:
bool AllowPlugins() const;
void EnsurePlugins();
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nsCOMPtr<nsPIDOMWindow> mWindow;
// Many sites check whether a particular plugin is installed by enumerating
// all navigator.plugins, checking each plugin's name. These sites should
// just check navigator.plugins["Popular Plugin Name"] instead. mPlugins
// contains those popular plugins that must be exposed in navigator.plugins
// enumeration to avoid breaking web content.
nsTArray<nsRefPtr<nsPluginElement> > mPlugins;
// mHiddenPlugins contains plugins that can be queried by
// navigator.plugins["Hidden Plugin Name"] but do not need to be exposed in
// navigator.plugins enumeration.
nsTArray<nsRefPtr<nsPluginElement> > mHiddenPlugins;
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};
class nsPluginElement MOZ_FINAL : public nsISupports,
public nsWrapperCache
{
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public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsPluginElement)
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nsPluginElement(nsPIDOMWindow* aWindow, nsPluginTag* aPluginTag);
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nsPIDOMWindow* GetParentObject() const;
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
nsPluginTag* PluginTag() const
{
return mPluginTag;
}
// Plugin WebIDL methods
void GetDescription(nsString& retval) const;
void GetFilename(nsString& retval) const;
void GetVersion(nsString& retval) const;
void GetName(nsString& retval) const;
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);
nsTArray<nsRefPtr<nsMimeType> >& MimeTypes();
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protected:
void EnsurePluginMimeTypes();
nsCOMPtr<nsPIDOMWindow> mWindow;
nsRefPtr<nsPluginTag> mPluginTag;
nsTArray<nsRefPtr<nsMimeType> > mMimeTypes;
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};
#endif /* nsPluginArray_h___ */