53 lines
1.3 KiB
C#
53 lines
1.3 KiB
C#
/*
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* Copyright (c) 2019 ETH Zürich, Educational Development and Technology (LET)
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*
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* 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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*/
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using SafeExamBrowser.Contracts.Core.OperationModel;
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using SafeExamBrowser.Contracts.Core.OperationModel.Events;
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using SafeExamBrowser.Contracts.I18n;
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using SafeExamBrowser.Contracts.Logging;
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using SafeExamBrowser.Contracts.WindowsApi;
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namespace SafeExamBrowser.Client.Operations
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{
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internal class ClipboardOperation : IOperation
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{
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private ILogger logger;
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private INativeMethods nativeMethods;
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public event ActionRequiredEventHandler ActionRequired { add { } remove { } }
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public event StatusChangedEventHandler StatusChanged;
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public ClipboardOperation(ILogger logger, INativeMethods nativeMethods)
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{
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this.logger = logger;
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this.nativeMethods = nativeMethods;
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}
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public OperationResult Perform()
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{
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EmptyClipboard();
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return OperationResult.Success;
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}
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public OperationResult Revert()
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{
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EmptyClipboard();
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return OperationResult.Success;
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}
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private void EmptyClipboard()
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{
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logger.Info("Emptying clipboard...");
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StatusChanged?.Invoke(TextKey.OperationStatus_EmptyClipboard);
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nativeMethods.EmptyClipboard();
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}
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}
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}
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