| 1 | /** @file
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| 2 | *
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| 3 | * VBox frontends: Qt GUI ("VirtualBox"):
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| 4 | * VBoxDownloaderWgt class declaration
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2006-2007 innotek GmbH
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License as published by the Free Software Foundation,
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| 14 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 15 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 16 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | */
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| 18 |
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| 19 | #ifndef __VBoxDownloaderWgt_h__
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| 20 | #define __VBoxDownloaderWgt_h__
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| 21 |
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| 22 | #include "qwidget.h"
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| 23 | #include "qurl.h"
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| 24 | class QStatusBar;
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| 25 | class QAction;
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| 26 | class QHttpResponseHeader;
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| 27 | class QHttp;
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| 28 | class QProgressBar;
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| 29 | class QToolButton;
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| 30 |
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| 31 | /** class VBoxDownloaderWgt
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| 32 | *
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| 33 | * The VBoxDownloaderWgt class is an QWidget class for Guest Additions
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| 34 | * http backgroung downloading. This class is also used to display the
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| 35 | * Guest Additions download state through the progress dialog integrated
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| 36 | * into the VM console status bar.
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| 37 | */
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| 38 | class VBoxDownloaderWgt : public QWidget
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| 39 | {
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| 40 | Q_OBJECT
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| 41 |
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| 42 | public:
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| 43 |
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| 44 | VBoxDownloaderWgt (QStatusBar *aStatusBar, QAction *aAction,
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| 45 | const QString &aUrl, const QString &aTarget);
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| 46 |
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| 47 | void languageChange();
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| 48 |
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| 49 | private slots:
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| 50 |
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| 51 | /* This slot is used to handle the progress of the file-downloading
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| 52 | * procedure. It also checks the downloading status for the file
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| 53 | * presence verifying purposes. */
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| 54 | void processProgress (int aRead, int aTotal);
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| 55 |
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| 56 | /* This slot is used to handle the finish signal of every operation's
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| 57 | * response. It is used to display the errors occurred during the download
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| 58 | * operation and for the received-buffer serialization procedure. */
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| 59 | void processFinished (int, bool aError);
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| 60 |
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| 61 | /* This slot is used to handle the header responses about the
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| 62 | * requested operations. Watches for the header's status-code. */
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| 63 | void processResponse (const QHttpResponseHeader &aHeader);
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| 64 |
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| 65 | /* This slot is used to control the connection timeout. */
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| 66 | void processTimeout();
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| 67 |
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| 68 | /* This slot is used to process cancel-button clicking signal. */
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| 69 | void processAbort();
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| 70 |
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| 71 | /* This slot is used to terminate the downloader, activate the
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| 72 | * Install Guest Additions action and removing the downloader's
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| 73 | * sub-widgets from the VM Console status-bar. */
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| 74 | void suicide();
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| 75 |
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| 76 | private:
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| 77 |
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| 78 | /* This function is used to make a request to get a file */
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| 79 | void getFile();
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| 80 |
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| 81 | /* This function is used to ask the user about he wants to download the
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| 82 | * founded Guest Additions image or not. It also shows the progress-bar
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| 83 | * and Cancel-button widgets. */
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| 84 | void processFile (int aSize);
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| 85 |
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| 86 | /* This wrapper displays an error message box (unless @aReason is
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| 87 | * QString::null) with the cause of the download procedure
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| 88 | * termination. After the message box is dismissed, the downloader signals
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| 89 | * to close itself on the next event loop iteration. */
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| 90 | void abortDownload (const QString &aReason = QString::null);
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| 91 |
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| 92 | QStatusBar *mStatusBar;
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| 93 | QUrl mUrl;
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| 94 | QString mTarget;
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| 95 | QHttp *mHttp;
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| 96 | bool mIsChecking;
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| 97 | QProgressBar *mProgressBar;
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| 98 | QToolButton *mCancelButton;
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| 99 | QAction *mAction;
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| 100 | int mStatus;
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| 101 | bool mConnectDone;
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| 102 | bool mSuicide;
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| 103 | };
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| 104 |
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| 105 | #endif
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| 106 |
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