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68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
/* 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 nsCommandManager_h__
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#define nsCommandManager_h__
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#include "nsString.h"
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#include "nsClassHashtable.h"
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#include "nsWeakReference.h"
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#include "nsICommandManager.h"
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#include "nsCycleCollectionParticipant.h"
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class nsIController;
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template <class E>
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class nsCOMArray;
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class nsCommandManager final : public nsICommandManager,
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public nsSupportsWeakReference {
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public:
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typedef nsTArray<nsCOMPtr<nsIObserver> > ObserverList;
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nsCommandManager() = delete;
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/**
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* @param aWindow An window which is what this command manager lives on.
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*/
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explicit nsCommandManager(mozIDOMWindowProxy* aWindow);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsCommandManager, nsICommandManager)
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NS_DECL_NSICOMMANDMANAGER
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/**
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* Notify the command manager that the status of a command changed. It may
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* have changed from enabled to disabled, or vice versa, or become toggled
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* etc.
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*/
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void CommandStatusChanged(const char* aCommandName);
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bool IsCommandEnabled(const nsCString& aCommandName,
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mozIDOMWindowProxy* aTargetWindow);
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protected:
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virtual ~nsCommandManager();
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nsresult GetControllerForCommand(const char* aCommand,
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mozIDOMWindowProxy* aDirectedToThisWindow,
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nsIController** aResult);
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protected:
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nsClassHashtable<nsCharPtrHashKey, ObserverList> mObserversTable;
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mozIDOMWindowProxy* mWindow; // weak ptr. The window should always outlive us
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};
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nsCommandManager* nsICommandManager::AsCommandManager() {
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return static_cast<nsCommandManager*>(this);
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}
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const nsCommandManager* nsICommandManager::AsCommandManager() const {
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return static_cast<const nsCommandManager*>(this);
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}
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#endif // nsCommandManager_h__
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