gecko-dev/dom/base/nsPluginArray.h

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3.6 KiB
C++

/* -*- 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 "nsTArray.h"
#include "nsWeakReference.h"
#include "nsIObserver.h"
#include "nsWrapperCache.h"
#include "nsPIDOMWindow.h"
class nsPluginElement;
class nsMimeType;
class nsIInternalPluginTag;
class nsPluginArray final : public nsIObserver,
public nsSupportsWeakReference,
public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsPluginArray,
nsIObserver)
// nsIObserver
NS_DECL_NSIOBSERVER
explicit nsPluginArray(nsPIDOMWindowInner* aWindow);
nsPIDOMWindowInner* GetParentObject() const;
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) 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();
void GetMimeTypes(nsTArray<RefPtr<nsMimeType>>& aMimeTypes);
void GetCTPMimeTypes(nsTArray<RefPtr<nsMimeType>>& aMimeTypes);
static void NotifyHiddenPluginTouched(nsPluginElement* aElement);
// 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);
private:
virtual ~nsPluginArray();
bool AllowPlugins() const;
void EnsurePlugins();
nsCOMPtr<nsPIDOMWindowInner> mWindow;
nsTArray<RefPtr<nsPluginElement> > mPlugins;
/* A separate list of click-to-play plugins that we don't tell content
* about but keep track of so we can still prompt the user to click to play.
*/
nsTArray<RefPtr<nsPluginElement> > mCTPPlugins;
};
class nsPluginElement final : public nsISupports,
public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsPluginElement)
nsPluginElement(nsPIDOMWindowInner* aWindow,
nsIInternalPluginTag* aPluginTag);
nsPIDOMWindowInner* GetParentObject() const;
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
nsIInternalPluginTag* 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<RefPtr<nsMimeType> >& MimeTypes();
protected:
~nsPluginElement();
void EnsurePluginMimeTypes();
nsCOMPtr<nsPIDOMWindowInner> mWindow;
nsCOMPtr<nsIInternalPluginTag> mPluginTag;
nsTArray<RefPtr<nsMimeType> > mMimeTypes;
};
#endif /* nsPluginArray_h___ */