GH-1559 Fix FTB icons

This was caused by separation of GUI and logic. Now logic has an interface that GUI implements.
It should be expanded upon later.

8 files changed, 83 insertions, 50 deletions

diff --git a/api/gui/icons/IconList.cpp b/api/gui/icons/IconList.cpp
index 99def3b7..4f9fb09f 100644
--- a/api/gui/icons/IconList.cpp
+++ b/api/gui/icons/IconList.cpp
@@ -33,7 +33,7 @@ IconList::IconList(QString builtinPath, QString path, QObject *parent) : QAbstra
 	for (auto file_info : file_info_list)
 	{
 		QString key = file_info.baseName();
-		addIcon(key, key, file_info.absoluteFilePath(), MMCIcon::Builtin);
+		addIcon(key, key, file_info.absoluteFilePath(), IconType::Builtin);
 	}
 
 	m_watcher.reset(new QFileSystemWatcher());
@@ -70,9 +70,9 @@ void IconList::directoryChanged(const QString &path)
 	QList<QString> current_list;
 	for (auto &it : icons)
 	{
-		if (!it.has(MMCIcon::FileBased))
+		if (!it.has(IconType::FileBased))
 			continue;
-		current_list.push_back(it.m_images[MMCIcon::FileBased].filename);
+		current_list.push_back(it.m_images[IconType::FileBased].filename);
 	}
 	QSet<QString> current_set = current_list.toSet();
 
@@ -90,8 +90,8 @@ void IconList::directoryChanged(const QString &path)
 		int idx = getIconIndex(key);
 		if (idx == -1)
 			continue;
-		icons[idx].remove(MMCIcon::FileBased);
-		if (icons[idx].type() == MMCIcon::ToBeDeleted)
+		icons[idx].remove(IconType::FileBased);
+		if (icons[idx].type() == IconType::ToBeDeleted)
 		{
 			beginRemoveRows(QModelIndex(), idx, idx);
 			icons.remove(idx);
@@ -111,7 +111,7 @@ void IconList::directoryChanged(const QString &path)
 		qDebug() << "Adding " << add;
 		QFileInfo addfile(add);
 		QString key = addfile.baseName();
-		if (addIcon(key, QString(), addfile.filePath(), MMCIcon::FileBased))
+		if (addIcon(key, QString(), addfile.filePath(), IconType::FileBased))
 		{
 			m_watcher->addPath(add);
 			emit iconUpdated(key);
@@ -133,7 +133,7 @@ void IconList::fileChanged(const QString &path)
 	if (!icon.availableSizes().size())
 		return;
 
-	icons[idx].m_images[MMCIcon::FileBased].icon = icon;
+	icons[idx].m_images[IconType::FileBased].icon = icon;
 	dataChanged(index(idx), index(idx));
 	emit iconUpdated(key);
 }
@@ -268,7 +268,7 @@ bool IconList::iconFileExists(QString key)
 	{
 		return false;
 	}
-	return iconEntry->has(MMCIcon::FileBased);
+	return iconEntry->has(IconType::FileBased);
 }
 
 const MMCIcon *IconList::icon(QString key)
@@ -285,14 +285,14 @@ bool IconList::deleteIcon(QString key)
 	if (iconIdx == -1)
 		return false;
 	auto &iconEntry = icons[iconIdx];
-	if (iconEntry.has(MMCIcon::FileBased))
+	if (iconEntry.has(IconType::FileBased))
 	{
-		return QFile::remove(iconEntry.m_images[MMCIcon::FileBased].filename);
+		return QFile::remove(iconEntry.m_images[IconType::FileBased].filename);
 	}
 	return false;
 }
 
-bool IconList::addIcon(QString key, QString name, QString path, MMCIcon::Type type)
+bool IconList::addIcon(QString key, QString name, QString path, IconType type)
 {
 	// replace the icon even? is the input valid?
 	QIcon icon(path);
diff --git a/api/gui/icons/IconList.h b/api/gui/icons/IconList.h
index 04dea2cd..7aeb7067 100644
--- a/api/gui/icons/IconList.h
+++ b/api/gui/icons/IconList.h
@@ -24,12 +24,13 @@
 #include "MMCIcon.h"
 #include "settings/Setting.h"
 #include "Env.h" // there is a global icon list inside Env.
+#include <icons/IIconList.h>
 
 #include "multimc_gui_export.h"
 
 class QFileSystemWatcher;
 
-class MULTIMC_GUI_EXPORT IconList : public QAbstractListModel
+class MULTIMC_GUI_EXPORT IconList : public QAbstractListModel, public IIconList
 {
 	Q_OBJECT
 public:
@@ -40,18 +41,17 @@ public:
 	QIcon getBigIcon(QString key);
 	int getIconIndex(QString key);
 
-	virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
-	virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
+	virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+	virtual int rowCount(const QModelIndex &parent = QModelIndex()) const override;
 
-	bool addIcon(QString key, QString name, QString path, MMCIcon::Type type);
+	virtual bool addIcon(QString key, QString name, QString path, IconType type) override;
 	bool deleteIcon(QString key);
 	bool iconFileExists(QString key);
 
-	virtual QStringList mimeTypes() const;
-	virtual Qt::DropActions supportedDropActions() const;
-	virtual bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column,
-							  const QModelIndex &parent);
-	virtual Qt::ItemFlags flags(const QModelIndex &index) const;
+	virtual QStringList mimeTypes() const override;
+	virtual Qt::DropActions supportedDropActions() const override;
+	virtual bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) override;
+	virtual Qt::ItemFlags flags(const QModelIndex &index) const override;
 
 	void installIcons(QStringList iconFiles);
 
diff --git a/api/gui/icons/MMCIcon.cpp b/api/gui/icons/MMCIcon.cpp
index 6b4eef39..f71281d0 100644
--- a/api/gui/icons/MMCIcon.cpp
+++ b/api/gui/icons/MMCIcon.cpp
@@ -16,19 +16,19 @@
 #include "MMCIcon.h"
 #include <QFileInfo>
 
-MMCIcon::Type operator--(MMCIcon::Type &t, int)
+IconType operator--(IconType &t, int)
 {
-	MMCIcon::Type temp = t;
+	IconType temp = t;
 	switch (t)
 	{
-	case MMCIcon::Type::Builtin:
-		t = MMCIcon::Type::ToBeDeleted;
+	case IconType::Builtin:
+		t = IconType::ToBeDeleted;
 		break;
-	case MMCIcon::Type::Transient:
-		t = MMCIcon::Type::Builtin;
+	case IconType::Transient:
+		t = IconType::Builtin;
 		break;
-	case MMCIcon::Type::FileBased:
-		t = MMCIcon::Type::Transient;
+	case IconType::FileBased:
+		t = IconType::Transient;
 		break;
 	default:
 	{
@@ -37,7 +37,7 @@ MMCIcon::Type operator--(MMCIcon::Type &t, int)
 	return temp;
 }
 
-MMCIcon::Type MMCIcon::type() const
+IconType MMCIcon::type() const
 {
 	return m_current_type;
 }
@@ -49,23 +49,23 @@ QString MMCIcon::name() const
 	return m_key;
 }
 
-bool MMCIcon::has(MMCIcon::Type _type) const
+bool MMCIcon::has(IconType _type) const
 {
 	return m_images[_type].present();
 }
 
 QIcon MMCIcon::icon() const
 {
-	if (m_current_type == Type::ToBeDeleted)
+	if (m_current_type == IconType::ToBeDeleted)
 		return QIcon();
 	return m_images[m_current_type].icon;
 }
 
-void MMCIcon::remove(Type rm_type)
+void MMCIcon::remove(IconType rm_type)
 {
 	m_images[rm_type].filename = QString();
 	m_images[rm_type].icon = QIcon();
-	for (auto iter = rm_type; iter != Type::ToBeDeleted; iter--)
+	for (auto iter = rm_type; iter != IconType::ToBeDeleted; iter--)
 	{
 		if (m_images[iter].present())
 		{
@@ -73,13 +73,13 @@ void MMCIcon::remove(Type rm_type)
 			return;
 		}
 	}
-	m_current_type = Type::ToBeDeleted;
+	m_current_type = IconType::ToBeDeleted;
 }
 
-void MMCIcon::replace(MMCIcon::Type new_type, QIcon icon, QString path)
+void MMCIcon::replace(IconType new_type, QIcon icon, QString path)
 {
 	QFileInfo foo(path);
-	if (new_type > m_current_type || m_current_type == MMCIcon::ToBeDeleted)
+	if (new_type > m_current_type || m_current_type == IconType::ToBeDeleted)
 	{
 		m_current_type = new_type;
 	}
diff --git a/api/gui/icons/MMCIcon.h b/api/gui/icons/MMCIcon.h
index 6f9617c2..4bc7ecdc 100644
--- a/api/gui/icons/MMCIcon.h
+++ b/api/gui/icons/MMCIcon.h
@@ -17,6 +17,7 @@
 #include <QString>
 #include <QDateTime>
 #include <QIcon>
+#include <icons/IIconList.h>
 
 #include "multimc_gui_export.h"
 
@@ -33,23 +34,15 @@ struct MULTIMC_GUI_EXPORT MMCImage
 
 struct MULTIMC_GUI_EXPORT MMCIcon
 {
-	enum Type : unsigned
-	{
-		Builtin,
-		Transient,
-		FileBased,
-		ICONS_TOTAL,
-		ToBeDeleted
-	};
 	QString m_key;
 	QString m_name;
 	MMCImage m_images[ICONS_TOTAL];
-	Type m_current_type = ToBeDeleted;
+	IconType m_current_type = ToBeDeleted;
 
-	Type type() const;
+	IconType type() const;
 	QString name() const;
-	bool has(Type _type) const;
+	bool has(IconType _type) const;
 	QIcon icon() const;
-	void remove(Type rm_type);
-	void replace(Type new_type, QIcon icon, QString path = QString());
+	void remove(IconType rm_type);
+	void replace(IconType new_type, QIcon icon, QString path = QString());
 };
diff --git a/api/logic/Env.cpp b/api/logic/Env.cpp
index cc0c5981..b8e07343 100644
--- a/api/logic/Env.cpp
+++ b/api/logic/Env.cpp
@@ -43,6 +43,16 @@ std::shared_ptr< QNetworkAccessManager > Env::qnam()
 	return m_qnam;
 }
 
+std::shared_ptr<IIconList> Env::icons()
+{
+	return m_iconlist;
+}
+
+void Env::registerIconList(std::shared_ptr<IIconList> iconlist)
+{
+	m_iconlist = iconlist;
+}
+
 /*
 class NullVersion : public BaseVersion
 {
diff --git a/api/logic/Env.h b/api/logic/Env.h
index 4d8945d7..dcf1947f 100644
--- a/api/logic/Env.h
+++ b/api/logic/Env.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <memory>
+#include "icons/IIconList.h"
 #include <QString>
 #include <QMap>
 
@@ -32,6 +33,8 @@ public:
 
 	std::shared_ptr<HttpMetaCache> metacache();
 
+	std::shared_ptr<IIconList> icons();
+
 	/// init the cache. FIXME: possible future hook point
 	void initHttpMetaCache();
 
@@ -46,6 +49,8 @@ public:
 
 	void registerVersionList(QString name, std::shared_ptr<BaseVersionList> vlist);
 
+	void registerIconList(std::shared_ptr<IIconList> iconlist);
+
 	std::shared_ptr<WonkoIndex> wonkoIndex();
 
 	QString wonkoRootUrl() const { return m_wonkoRootUrl; }
@@ -54,6 +59,7 @@ public:
 protected:
 	std::shared_ptr<QNetworkAccessManager> m_qnam;
 	std::shared_ptr<HttpMetaCache> m_metacache;
+	std::shared_ptr<IIconList> m_iconlist;
 	QMap<QString, std::shared_ptr<BaseVersionList>> m_versionLists;
 	std::shared_ptr<WonkoIndex> m_wonkoIndex;
 	QString m_wonkoRootUrl;
diff --git a/api/logic/icons/IIconList.h b/api/logic/icons/IIconList.h
new file mode 100644
index 00000000..a7e0fa07
--- /dev/null
+++ b/api/logic/icons/IIconList.h
@@ -0,0 +1,20 @@
+#pragma once
+
+#include <QString>
+
+enum IconType : unsigned
+{
+	Builtin,
+	Transient,
+	FileBased,
+	ICONS_TOTAL,
+	ToBeDeleted
+};
+
+class IIconList
+{
+public:
+	virtual ~IIconList(){}
+	virtual bool addIcon(QString key, QString name, QString path, IconType type) = 0;
+};
+
diff --git a/api/logic/minecraft/ftb/FTBPlugin.cpp b/api/logic/minecraft/ftb/FTBPlugin.cpp
index a142c106..134257bf 100644
--- a/api/logic/minecraft/ftb/FTBPlugin.cpp
+++ b/api/logic/minecraft/ftb/FTBPlugin.cpp
@@ -257,7 +257,11 @@ void FTBPlugin::loadInstances(SettingsObjectPtr globalSettings, QMap<QString, QS
 	{
 		qDebug() << "Loading FTB instance from " << record.instanceDir;
 		QString iconKey = record.iconKey;
-		// MMC->icons()->addIcon(iconKey, iconKey, FS::PathCombine(record.templateDir, record.logo), MMCIcon::Transient);
+		auto icons = ENV.icons();
+		if(icons)
+		{
+			icons->addIcon(iconKey, iconKey, FS::PathCombine(record.templateDir, record.logo), IconType::Transient);
+		}
 		auto settingsFilePath = FS::PathCombine(record.instanceDir, "instance.cfg");
 		qDebug() << "ICON get!";