gecko-dev/dom/base/nsPluginArray.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
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*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
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*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
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#ifndef nsPluginArray_h___
#define nsPluginArray_h___
#include "nsIDOMPluginArray.h"
#include "nsIDOMPlugin.h"
#include "nsIPluginHost.h"
#include "nsIURL.h"
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class nsNavigator;
class nsIDocShell;
class nsIPluginHost;
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// NB: Due to weak references, nsNavigator has intimate knowledge of our
// internals.
class nsPluginArray : public nsIDOMPluginArray
{
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public:
nsPluginArray(nsNavigator* navigator, nsIDocShell *aDocShell);
virtual ~nsPluginArray();
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NS_DECL_ISUPPORTS
// nsIDOMPluginArray
NS_DECL_NSIDOMPLUGINARRAY
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nsresult GetPluginHost(nsIPluginHost** aPluginHost);
nsIDOMPlugin* GetItemAt(PRUint32 aIndex, nsresult* aResult);
nsIDOMPlugin* GetNamedItem(const nsAString& aName, nsresult* aResult);
static nsPluginArray* FromSupports(nsISupports* aSupports)
{
#ifdef DEBUG
{
nsCOMPtr<nsIDOMPluginArray> array_qi = do_QueryInterface(aSupports);
// If this assertion fires the QI implementation for the object in
// question doesn't use the nsIDOMPluginArray pointer as the nsISupports
// pointer. That must be fixed, or we'll crash...
NS_ASSERTION(array_qi == static_cast<nsIDOMPluginArray*>(aSupports),
"Uh, fix QI!");
}
#endif
return static_cast<nsPluginArray*>(aSupports);
}
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private:
nsresult GetPlugins();
PRBool AllowPlugins();
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public:
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void SetDocShell(nsIDocShell *aDocShell);
void Invalidate();
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protected:
nsNavigator* mNavigator;
nsCOMPtr<nsIPluginHost> mPluginHost;
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PRUint32 mPluginCount;
nsIDOMPlugin** mPluginArray;
nsIDocShell* mDocShell; // weak reference
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};
class nsPluginElement : public nsIDOMPlugin
{
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public:
nsPluginElement(nsIDOMPlugin* plugin);
virtual ~nsPluginElement();
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NS_DECL_ISUPPORTS
NS_DECL_NSIDOMPLUGIN
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nsIDOMMimeType* GetItemAt(PRUint32 aIndex, nsresult* aResult);
nsIDOMMimeType* GetNamedItem(const nsAString& aName, nsresult* aResult);
static nsPluginElement* FromSupports(nsISupports* aSupports)
{
#ifdef DEBUG
{
nsCOMPtr<nsIDOMPlugin> plugin_qi = do_QueryInterface(aSupports);
// If this assertion fires the QI implementation for the object in
// question doesn't use the nsIDOMPlugin pointer as the nsISupports
// pointer. That must be fixed, or we'll crash...
NS_ASSERTION(plugin_qi == static_cast<nsIDOMPlugin*>(aSupports),
"Uh, fix QI!");
}
#endif
return static_cast<nsPluginElement*>(aSupports);
}
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private:
nsresult GetMimeTypes();
protected:
nsIDOMPlugin* mPlugin;
PRUint32 mMimeTypeCount;
nsIDOMMimeType** mMimeTypeArray;
};
#endif /* nsPluginArray_h___ */