зеркало из https://github.com/mozilla/gecko-dev.git
142 строки
4.2 KiB
C++
142 строки
4.2 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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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsMimeTypeArray_h___
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#define nsMimeTypeArray_h___
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#include "nsIDOMMimeTypeArray.h"
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#include "nsIDOMMimeType.h"
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#include "nsString.h"
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#include "nsCOMPtr.h"
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#include "nsCOMArray.h"
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class nsIDOMNavigator;
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// NB: Due to weak references, nsNavigator has intimate knowledge of our
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// members.
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class nsMimeTypeArray : public nsIDOMMimeTypeArray
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{
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public:
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nsMimeTypeArray(nsIDOMNavigator* navigator);
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virtual ~nsMimeTypeArray();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMMIMETYPEARRAY
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void Refresh();
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nsIDOMMimeType* GetItemAt(PRUint32 aIndex, nsresult* aResult);
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nsIDOMMimeType* GetNamedItem(const nsAString& aName, nsresult* aResult);
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static nsMimeTypeArray* FromSupports(nsISupports* aSupports)
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{
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#ifdef DEBUG
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{
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nsCOMPtr<nsIDOMMimeTypeArray> array_qi = do_QueryInterface(aSupports);
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// If this assertion fires the QI implementation for the object in
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// question doesn't use the nsIDOMMimeTypeArray pointer as the nsISupports
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// pointer. That must be fixed, or we'll crash...
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NS_ASSERTION(array_qi == static_cast<nsIDOMMimeTypeArray*>(aSupports),
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"Uh, fix QI!");
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}
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#endif
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return static_cast<nsMimeTypeArray*>(aSupports);
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}
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void Invalidate()
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{
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// NB: This will cause GetMimeTypes to fail from now on.
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mNavigator = nsnull;
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Clear();
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}
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private:
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nsresult GetMimeTypes();
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void Clear();
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protected:
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nsIDOMNavigator* mNavigator;
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// Number of mimetypes handled by plugins.
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PRUint32 mPluginMimeTypeCount;
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// mMimeTypeArray contains all mimetypes handled by plugins
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// (mPluginMimeTypeCount) and any mimetypes that we handle internally and
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// have been looked up before. The number of items in mMimeTypeArray should
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// thus always be equal to or higher than mPluginMimeTypeCount.
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nsCOMArray<nsIDOMMimeType> mMimeTypeArray;
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bool mInited;
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};
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class nsMimeType : public nsIDOMMimeType
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{
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public:
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nsMimeType(nsIDOMPlugin* aPlugin, nsIDOMMimeType* aMimeType);
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virtual ~nsMimeType();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMMIMETYPE
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void DetachPlugin() { mPlugin = nsnull; }
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protected:
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nsIDOMPlugin* mPlugin;
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nsCOMPtr<nsIDOMMimeType> mMimeType;
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};
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class nsHelperMimeType : public nsIDOMMimeType
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{
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public:
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nsHelperMimeType(const nsAString& aType)
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: mType(aType)
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{
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}
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virtual ~nsHelperMimeType()
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{
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}
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMMIMETYPE
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private:
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nsString mType;
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};
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#endif /* nsMimeTypeArray_h___ */
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