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authorPetr Mrázek <peterix@gmail.com>2013-12-31 01:24:28 +0100
committerPetr Mrázek <peterix@gmail.com>2013-12-31 01:32:51 +0100
commit952b63f68de93e8acf7aab81373661dae8d5098b (patch)
treea3be2560a2c34f8827a37998c7baa5a525dde22f /logic/icons/IconList.cpp
parentc44bcfab4bf4f25a7f39d6154fc366db4c0fcfbc (diff)
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Refactor icon lists heavily
* Icon list now uses a filesystem watcher for updates * Icon folder is user-customizable * All the little details. ALL OF THEM.
Diffstat (limited to 'logic/icons/IconList.cpp')
-rw-r--r--logic/icons/IconList.cpp351
1 files changed, 351 insertions, 0 deletions
diff --git a/logic/icons/IconList.cpp b/logic/icons/IconList.cpp
new file mode 100644
index 00000000..1e692d1d
--- /dev/null
+++ b/logic/icons/IconList.cpp
@@ -0,0 +1,351 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "IconList.h"
+#include <pathutils.h>
+#include <settingsobject.h>
+#include <QMap>
+#include <QEventLoop>
+#include <QMimeData>
+#include <QUrl>
+#include <QFileSystemWatcher>
+#include <MultiMC.h>
+#include <setting.h>
+
+#define MAX_SIZE 1024
+
+IconList::IconList(QObject *parent) : QAbstractListModel(parent)
+{
+ // add builtin icons
+ QDir instance_icons(":/icons/instances/");
+ auto file_info_list = instance_icons.entryInfoList(QDir::Files, QDir::Name);
+ for (auto file_info : file_info_list)
+ {
+ QString key = file_info.baseName();
+ addIcon(key, key, file_info.absoluteFilePath(), MMCIcon::Builtin);
+ }
+
+ m_watcher.reset(new QFileSystemWatcher());
+ is_watching = false;
+ connect(m_watcher.get(), SIGNAL(directoryChanged(QString)),
+ SLOT(directoryChanged(QString)));
+ connect(m_watcher.get(), SIGNAL(fileChanged(QString)), SLOT(fileChanged(QString)));
+
+ auto setting = MMC->settings()->getSetting("IconsDir");
+ QString path = setting->get().toString();
+ connect(setting, SIGNAL(settingChanged(const Setting &, QVariant)),
+ SLOT(settingChanged(const Setting &, QVariant)));
+ directoryChanged(path);
+}
+
+void IconList::directoryChanged(const QString &path)
+{
+ QDir new_dir (path);
+ if(m_dir.absolutePath() != new_dir.absolutePath())
+ {
+ m_dir.setPath(path);
+ m_dir.refresh();
+ if(is_watching)
+ stopWatching();
+ startWatching();
+ }
+ if(!m_dir.exists())
+ if(!ensureFolderPathExists(m_dir.absolutePath()))
+ return;
+ m_dir.refresh();
+ auto new_list = m_dir.entryList(QDir::Files, QDir::Name);
+ for (auto it = new_list.begin(); it != new_list.end(); it++)
+ {
+ QString &foo = (*it);
+ foo = m_dir.filePath(foo);
+ }
+ auto new_set = new_list.toSet();
+ QList<QString> current_list;
+ for (auto &it : icons)
+ {
+ if (!it.has(MMCIcon::FileBased))
+ continue;
+ current_list.push_back(it.m_images[MMCIcon::FileBased].filename);
+ }
+ QSet<QString> current_set = current_list.toSet();
+
+ QSet<QString> to_remove = current_set;
+ to_remove -= new_set;
+
+ QSet<QString> to_add = new_set;
+ to_add -= current_set;
+
+ for (auto remove : to_remove)
+ {
+ QLOG_INFO() << "Removing " << remove;
+ QFileInfo rmfile(remove);
+ QString key = rmfile.baseName();
+ int idx = getIconIndex(key);
+ if (idx == -1)
+ continue;
+ icons[idx].remove(MMCIcon::FileBased);
+ if (icons[idx].type() == MMCIcon::ToBeDeleted)
+ {
+ beginRemoveRows(QModelIndex(), idx, idx);
+ icons.remove(idx);
+ reindex();
+ endRemoveRows();
+ }
+ else
+ {
+ dataChanged(index(idx), index(idx));
+ }
+ m_watcher->removePath(remove);
+ emit iconUpdated(key);
+ }
+
+ for (auto add : to_add)
+ {
+ QLOG_INFO() << "Adding " << add;
+ QFileInfo addfile(add);
+ QString key = addfile.baseName();
+ if (addIcon(key, QString(), addfile.filePath(), MMCIcon::FileBased))
+ {
+ m_watcher->addPath(add);
+ emit iconUpdated(key);
+ }
+ }
+}
+
+void IconList::fileChanged(const QString &path)
+{
+ QLOG_INFO() << "Checking " << path;
+ QFileInfo checkfile(path);
+ if (!checkfile.exists())
+ return;
+ QString key = checkfile.baseName();
+ int idx = getIconIndex(key);
+ if (idx == -1)
+ return;
+ QIcon icon(path);
+ if (!icon.availableSizes().size())
+ return;
+
+ icons[idx].m_images[MMCIcon::FileBased].icon = icon;
+ dataChanged(index(idx), index(idx));
+ emit iconUpdated(key);
+}
+
+void IconList::settingChanged(const Setting &setting, QVariant value)
+{
+ if(setting.configKey() != "IconsDir")
+ return;
+
+ directoryChanged(value.toString());
+}
+
+void IconList::startWatching()
+{
+ auto abs_path = m_dir.absolutePath();
+ ensureFolderPathExists(abs_path);
+ is_watching = m_watcher->addPath(abs_path);
+ if (is_watching)
+ {
+ QLOG_INFO() << "Started watching " << abs_path;
+ }
+ else
+ {
+ QLOG_INFO() << "Failed to start watching " << abs_path;
+ }
+}
+
+void IconList::stopWatching()
+{
+ m_watcher->removePaths(m_watcher->files());
+ m_watcher->removePaths(m_watcher->directories());
+ is_watching = false;
+}
+
+QStringList IconList::mimeTypes() const
+{
+ QStringList types;
+ types << "text/uri-list";
+ return types;
+}
+Qt::DropActions IconList::supportedDropActions() const
+{
+ return Qt::CopyAction;
+}
+
+bool IconList::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column,
+ const QModelIndex &parent)
+{
+ if (action == Qt::IgnoreAction)
+ return true;
+ // check if the action is supported
+ if (!data || !(action & supportedDropActions()))
+ return false;
+
+ // files dropped from outside?
+ if (data->hasUrls())
+ {
+ auto urls = data->urls();
+ QStringList iconFiles;
+ for (auto url : urls)
+ {
+ // only local files may be dropped...
+ if (!url.isLocalFile())
+ continue;
+ iconFiles += url.toLocalFile();
+ }
+ installIcons(iconFiles);
+ return true;
+ }
+ return false;
+}
+
+Qt::ItemFlags IconList::flags(const QModelIndex &index) const
+{
+ Qt::ItemFlags defaultFlags = QAbstractListModel::flags(index);
+ if (index.isValid())
+ return Qt::ItemIsDropEnabled | defaultFlags;
+ else
+ return Qt::ItemIsDropEnabled | defaultFlags;
+}
+
+QVariant IconList::data(const QModelIndex &index, int role) const
+{
+ if (!index.isValid())
+ return QVariant();
+
+ int row = index.row();
+
+ if (row < 0 || row >= icons.size())
+ return QVariant();
+
+ switch (role)
+ {
+ case Qt::DecorationRole:
+ return icons[row].icon();
+ case Qt::DisplayRole:
+ return icons[row].name();
+ case Qt::UserRole:
+ return icons[row].m_key;
+ default:
+ return QVariant();
+ }
+}
+
+int IconList::rowCount(const QModelIndex &parent) const
+{
+ return icons.size();
+}
+
+void IconList::installIcons(QStringList iconFiles)
+{
+ for (QString file : iconFiles)
+ {
+ QFileInfo fileinfo(file);
+ if (!fileinfo.isReadable() || !fileinfo.isFile())
+ continue;
+ QString target = PathCombine("icons", fileinfo.fileName());
+
+ QString suffix = fileinfo.suffix();
+ if (suffix != "jpeg" && suffix != "png" && suffix != "jpg")
+ continue;
+
+ if (!QFile::copy(file, target))
+ continue;
+ }
+}
+
+bool IconList::deleteIcon(QString key)
+{
+ int iconIdx = getIconIndex(key);
+ if (iconIdx == -1)
+ return false;
+ auto &iconEntry = icons[iconIdx];
+ if (iconEntry.has(MMCIcon::FileBased))
+ {
+ return QFile::remove(iconEntry.m_images[MMCIcon::FileBased].filename);
+ }
+ return false;
+}
+
+bool IconList::addIcon(QString key, QString name, QString path, MMCIcon::Type type)
+{
+ // replace the icon even? is the input valid?
+ QIcon icon(path);
+ if (!icon.availableSizes().size())
+ return false;
+ auto iter = name_index.find(key);
+ if (iter != name_index.end())
+ {
+ auto &oldOne = icons[*iter];
+ oldOne.replace(type, icon, path);
+ dataChanged(index(*iter), index(*iter));
+ return true;
+ }
+ else
+ {
+ // add a new icon
+ beginInsertRows(QModelIndex(), icons.size(), icons.size());
+ {
+ MMCIcon mmc_icon;
+ mmc_icon.m_name = name;
+ mmc_icon.m_key = key;
+ mmc_icon.replace(type, icon, path);
+ icons.push_back(mmc_icon);
+ name_index[key] = icons.size() - 1;
+ }
+ endInsertRows();
+ return true;
+ }
+}
+
+void IconList::reindex()
+{
+ name_index.clear();
+ int i = 0;
+ for (auto &iter : icons)
+ {
+ name_index[iter.m_key] = i;
+ i++;
+ }
+}
+
+QIcon IconList::getIcon(QString key)
+{
+ int icon_index = getIconIndex(key);
+
+ if (icon_index != -1)
+ return icons[icon_index].icon();
+
+ // Fallback for icons that don't exist.
+ icon_index = getIconIndex("infinity");
+
+ if (icon_index != -1)
+ return icons[icon_index].icon();
+ return QIcon();
+}
+
+int IconList::getIconIndex(QString key)
+{
+ if (key == "default")
+ key = "infinity";
+
+ auto iter = name_index.find(key);
+ if (iter != name_index.end())
+ return *iter;
+
+ return -1;
+}
+
+//#include "IconList.moc" \ No newline at end of file