Initial commit.

2018-02-27 18:06:05 +01:00
parent 85d9664df7
commit b2b1ba7abe
1393 changed files with 177311 additions and 1 deletions
--- a/src/core/deletefiles.cpp
+++ b/src/core/deletefiles.cpp
@@ -0,0 +1,123 @@
+/*
+ * Strawberry Music Player
+ * This file was part of Clementine.
+ * Copyright 2012, David Sansome <me@davidsansome.com>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ */
+
+#include "config.h"
+
+#include "deletefiles.h"
+
+#include <QStringList>
+#include <QTimer>
+#include <QThread>
+#include <QUrl>
+
+#include "musicstorage.h"
+#include "taskmanager.h"
+
+const int DeleteFiles::kBatchSize = 50;
+
+DeleteFiles::DeleteFiles(TaskManager* task_manager, std::shared_ptr<MusicStorage> storage)
+    : thread_(nullptr),
+      task_manager_(task_manager),
+      storage_(storage),
+      started_(false),
+      task_id_(0),
+      progress_(0) {
+  original_thread_ = thread();
+}
+
+DeleteFiles::~DeleteFiles() {}
+
+void DeleteFiles::Start(const SongList &songs) {
+
+  if (thread_) return;
+
+  songs_ = songs;
+
+  task_id_ = task_manager_->StartTask(tr("Deleting files"));
+  task_manager_->SetTaskBlocksCollectionScans(true);
+
+  thread_ = new QThread;
+  connect(thread_, SIGNAL(started()), SLOT(ProcessSomeFiles()));
+
+  moveToThread(thread_);
+  thread_->start();
+
+}
+
+void DeleteFiles::Start(const QStringList &filenames) {
+
+  SongList songs;
+  for (const QString &filename : filenames) {
+    Song song;
+    song.set_url(QUrl::fromLocalFile(filename));
+    songs << song;
+  }
+
+  Start(songs);
+
+}
+
+void DeleteFiles::ProcessSomeFiles() {
+
+  if (!started_) {
+    storage_->StartDelete();
+    started_ = true;
+  }
+
+  // None left?
+  if (progress_ >= songs_.count()) {
+    task_manager_->SetTaskProgress(task_id_, progress_, songs_.count());
+
+    storage_->FinishCopy(songs_with_errors_.isEmpty());
+
+    task_manager_->SetTaskFinished(task_id_);
+
+    emit Finished(songs_with_errors_);
+
+    // Move back to the original thread so deleteLater() can get called in
+    // the main thread's event loop
+    moveToThread(original_thread_);
+    deleteLater();
+
+    // Stop this thread
+    thread_->quit();
+    return;
+  }
+
+  // We process files in batches so we can be cancelled part-way through.
+
+  const int n = qMin(songs_.count(), progress_ + kBatchSize);
+  for (; progress_ < n; ++progress_) {
+    task_manager_->SetTaskProgress(task_id_, progress_, songs_.count());
+
+    const Song &song = songs_[progress_];
+
+    MusicStorage::DeleteJob job;
+    job.metadata_ = song;
+
+    if (!storage_->DeleteFromStorage(job)) {
+      songs_with_errors_ << song;
+    }
+  }
+
+  QTimer::singleShot(0, this, SLOT(ProcessSomeFiles()));
+
+}
+