1 | /* |
2 | This file is part of the KDE libraries |
3 | SPDX-FileCopyrightText: 2022 Ahmad Samir <a.samirh78@gmail.com> |
4 | |
5 | SPDX-License-Identifier: LGPL-2.0-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL |
6 | */ |
7 | |
8 | #include "deleteortrashjob.h" |
9 | |
10 | #include "fileundomanager.h" |
11 | #include "widgetsaskuseractionhandler.h" |
12 | #include <kio/copyjob.h> |
13 | #include <kio/deletejob.h> |
14 | #include <kio/emptytrashjob.h> |
15 | #include <kio/job.h> |
16 | #include <kio/jobuidelegatefactory.h> |
17 | #include <kio_widgets_debug.h> |
18 | |
19 | #include <KJobWidgets> |
20 | |
21 | namespace KIO |
22 | { |
23 | |
24 | using AskIface = AskUserActionInterface; |
25 | |
26 | class DeleteOrTrashJobPrivate |
27 | { |
28 | public: |
29 | DeleteOrTrashJobPrivate(const QList<QUrl> &urls, // |
30 | AskIface::DeletionType deletionType, |
31 | AskIface::ConfirmationType confirm, |
32 | QObject *parent, |
33 | DeleteOrTrashJob *qq) |
34 | : q(qq) |
35 | , m_urls(urls) |
36 | , m_delType(deletionType) |
37 | , m_confirm(confirm) |
38 | , m_parentWindow(qobject_cast<QWidget *>(o: parent)) |
39 | { |
40 | // trashing an already trashed file is deleting it, BUG 459545 |
41 | if (m_delType == AskIface::Trash && m_urls.first().scheme() == QStringLiteral("trash" )) { |
42 | m_delType = AskIface::Delete; |
43 | } |
44 | } |
45 | |
46 | void slotAskUser(bool allowDelete, const QList<QUrl> &urls, AskIface::DeletionType delType, QWidget *parentWindow); |
47 | |
48 | DeleteOrTrashJob *q = nullptr; |
49 | QList<QUrl> m_urls; |
50 | AskIface::DeletionType m_delType; |
51 | AskIface::ConfirmationType m_confirm; |
52 | QWidget *m_parentWindow = nullptr; |
53 | QMetaObject::Connection m_handlerConnection; |
54 | }; |
55 | |
56 | void DeleteOrTrashJobPrivate::slotAskUser(bool allowDelete, const QList<QUrl> &urls, AskIface::DeletionType delType, QWidget *parentWindow) |
57 | { |
58 | if (!allowDelete) { |
59 | q->setError(KIO::ERR_USER_CANCELED); |
60 | q->emitResult(); |
61 | return; |
62 | } |
63 | |
64 | KIO::Job *job = nullptr; |
65 | switch (delType) { |
66 | case AskIface::Trash: |
67 | Q_ASSERT(!urls.isEmpty()); |
68 | job = KIO::trash(src: urls); |
69 | using UndoMananger = KIO::FileUndoManager; |
70 | UndoMananger::self()->recordJob(op: UndoMananger::Trash, src: urls, dst: QUrl(QStringLiteral("trash:/" )), job); |
71 | break; |
72 | case AskIface::DeleteInsteadOfTrash: |
73 | case AskIface::Delete: |
74 | Q_ASSERT(!urls.isEmpty()); |
75 | job = KIO::del(src: urls); |
76 | break; |
77 | case AskIface::EmptyTrash: |
78 | job = KIO::emptyTrash(); |
79 | break; |
80 | } |
81 | |
82 | if (job) { |
83 | KJobWidgets::setWindow(job, widget: parentWindow); |
84 | // showErrorMessage() is used in slotResult() instead of AutoErrorHandling, |
85 | // because if Trashing fails (e.g. due to size constraints), we'll re-ask the |
86 | // user about deleting instead of Trashing, in which case we don't want to |
87 | // show the "File is too large to Trash" error message |
88 | job->uiDelegate()->setAutoErrorHandlingEnabled(false); |
89 | q->addSubjob(job); |
90 | |
91 | Q_EMIT q->started(); |
92 | } |
93 | } |
94 | |
95 | DeleteOrTrashJob::DeleteOrTrashJob(const QList<QUrl> &urls, // |
96 | AskIface::DeletionType deletionType, |
97 | AskIface::ConfirmationType confirm, |
98 | QObject *parent) |
99 | : KCompositeJob(parent) |
100 | , d(new DeleteOrTrashJobPrivate{urls, deletionType, confirm, parent, this}) |
101 | { |
102 | } |
103 | |
104 | DeleteOrTrashJob::~DeleteOrTrashJob() = default; |
105 | |
106 | void DeleteOrTrashJob::start() |
107 | { |
108 | auto *askHandler = KIO::delegateExtension<AskIface *>(job: this); |
109 | if (!askHandler) { |
110 | auto *uiDelegate = new KJobUiDelegate(KJobUiDelegate::AutoErrorHandlingEnabled); |
111 | auto *widgetAskHandler = new WidgetsAskUserActionHandler(uiDelegate); |
112 | widgetAskHandler->setWindow(d->m_parentWindow); |
113 | setUiDelegate(uiDelegate); |
114 | askHandler = widgetAskHandler; |
115 | } |
116 | |
117 | Q_ASSERT(askHandler); |
118 | |
119 | auto askFunc = [this](bool allowDelete, // |
120 | const QList<QUrl> &urls, |
121 | AskIface::DeletionType deletionType, |
122 | QWidget *window) { |
123 | d->slotAskUser(allowDelete, urls, delType: deletionType, parentWindow: window); |
124 | }; |
125 | |
126 | // Make it a unique connection, as the same UI delegate could get re-used |
127 | // if e.g. Trashing failed and we're re-asking the user about deleting instead |
128 | // of Trashing |
129 | disconnect(d->m_handlerConnection); |
130 | d->m_handlerConnection = connect(sender: askHandler, signal: &AskIface::askUserDeleteResult, context: this, slot&: askFunc); |
131 | askHandler->askUserDelete(urls: d->m_urls, deletionType: d->m_delType, confirmationType: d->m_confirm, parent: d->m_parentWindow); |
132 | } |
133 | |
134 | void DeleteOrTrashJob::slotResult(KJob *job) |
135 | { |
136 | const int errCode = job->error(); |
137 | |
138 | if (errCode == KIO::ERR_TRASH_FILE_TOO_LARGE) { |
139 | removeSubjob(job); |
140 | d->m_delType = AskIface::DeleteInsteadOfTrash; |
141 | start(); |
142 | return; |
143 | } |
144 | |
145 | if (errCode) { |
146 | setError(errCode); |
147 | // We're a KJob, not a KIO::Job, so build the error string here |
148 | setErrorText(KIO::buildErrorString(errorCode: errCode, errorText: job->errorText())); |
149 | job->uiDelegate()->showErrorMessage(); |
150 | } |
151 | emitResult(); |
152 | } |
153 | |
154 | } // namespace KIO |
155 | |
156 | #include "moc_deleteortrashjob.cpp" |
157 | |