James Turner
71e9548c20
Delegate is hooked up in the demo util, and Install forwards control to the delegate too.
76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
// Copyright (C) 2013 James Turner - zakalawe@mac.com
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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#ifndef SG_PACKAGE_DELEGATE_HXX
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#define SG_PACKAGE_DELEGATE_HXX
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namespace simgear
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{
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namespace pkg
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{
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class Install;
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class Catalog;
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/**
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* package delegate is the mechanism to discover progress / completion /
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* errors in packaging steps asynchronously.
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*/
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class Delegate
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{
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public:
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typedef enum {
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FAIL_SUCCESS = 0, ///< not a failure :)
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FAIL_UNKNOWN = 1,
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FAIL_CHECKSUM, ///< package MD5 verificstion failed
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FAIL_DOWNLOAD, ///< network issue
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FAIL_EXTRACT, ///< package archive failed to extract cleanly
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FAIL_FILESYSTEM, ///< unknown filesystem error occurred
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FAIL_VERSION ///< version check mismatch
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} FailureCode;
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virtual ~Delegate() { }
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/**
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* invoked when all catalogs have finished refreshing - either successfully
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* or with a failure.
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*/
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virtual void refreshComplete() = 0;
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/**
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* emitted when a catalog fails to refresh, due to a network issue or
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* some other failure.
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*/
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virtual void failedRefresh(Catalog*, FailureCode aReason) = 0;
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virtual void startInstall(Install* aInstall) = 0;
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virtual void installProgress(Install* aInstall, unsigned int aBytes, unsigned int aTotal) = 0;
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virtual void finishInstall(Install* aInstall) = 0;
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virtual void failedInstall(Install* aInstall, FailureCode aReason) = 0;
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};
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} // of namespace pkg
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} // of namespace simgear
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#endif // of SG_PACKAGE_DELEGATE_HXX
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