36571c5e22
This refactors the sorting methods to join every bit of it into a single list, easing maintanance. It also removes the weird index contraint on the list of methods by adding an index field to the DS that holds the method. Lastly, it puts the available methods on their respective API, so other resources on the same API can re-use them later on. Signed-off-by: flow <flowlnlnln@gmail.com>
117 lines
4.1 KiB
C++
117 lines
4.1 KiB
C++
#pragma once
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#include <optional>
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#include <QAbstractListModel>
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#include "QObjectPtr.h"
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#include "BaseInstance.h"
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#include "modplatform/ResourceAPI.h"
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#include "tasks/ConcurrentTask.h"
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class NetJob;
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class ResourceAPI;
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namespace ModPlatform {
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struct IndexedPack;
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}
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namespace ResourceDownload {
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class ResourceModel : public QAbstractListModel {
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Q_OBJECT
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Q_PROPERTY(QString search_term MEMBER m_search_term WRITE setSearchTerm)
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public:
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ResourceModel(BaseInstance const&, ResourceAPI* api);
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~ResourceModel() override;
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[[nodiscard]] auto data(const QModelIndex&, int role) const -> QVariant override;
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[[nodiscard]] auto roleNames() const -> QHash<int, QByteArray> override;
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bool setData(const QModelIndex& index, const QVariant& value, int role) override;
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[[nodiscard]] virtual auto debugName() const -> QString;
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[[nodiscard]] virtual auto metaEntryBase() const -> QString = 0;
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[[nodiscard]] inline int rowCount(const QModelIndex& parent) const override { return parent.isValid() ? 0 : m_packs.size(); }
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[[nodiscard]] inline int columnCount(const QModelIndex& parent) const override { return parent.isValid() ? 0 : 1; }
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[[nodiscard]] inline auto flags(const QModelIndex& index) const -> Qt::ItemFlags override { return QAbstractListModel::flags(index); }
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inline void addActiveJob(Task::Ptr ptr) { m_current_job.addTask(ptr); if (!m_current_job.isRunning()) m_current_job.start(); }
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inline Task const& activeJob() { return m_current_job; }
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[[nodiscard]] auto getSortingMethods() const { return m_api->getSortingMethods(); }
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public slots:
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void fetchMore(const QModelIndex& parent) override;
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// NOTE: Can't use [[nodiscard]] here because of https://bugreports.qt.io/browse/QTBUG-58628 on Qt 5.12
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inline bool canFetchMore(const QModelIndex& parent) const override
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{
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return parent.isValid() ? false : m_search_state == SearchState::CanFetchMore;
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}
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void setSearchTerm(QString term) { m_search_term = term; }
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virtual ResourceAPI::SearchArgs createSearchArguments() = 0;
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virtual ResourceAPI::SearchCallbacks createSearchCallbacks() = 0;
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virtual ResourceAPI::VersionSearchArgs createVersionsArguments(QModelIndex&) = 0;
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virtual ResourceAPI::VersionSearchCallbacks createVersionsCallbacks(QModelIndex&) = 0;
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virtual ResourceAPI::ProjectInfoArgs createInfoArguments(QModelIndex&) = 0;
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virtual ResourceAPI::ProjectInfoCallbacks createInfoCallbacks(QModelIndex&) = 0;
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/** Requests the API for more entries. */
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virtual void search();
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/** Applies any processing / extra requests needed to fully load the specified entry's information. */
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virtual void loadEntry(QModelIndex&);
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/** Schedule a refresh, clearing the current state. */
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void refresh();
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/** Gets the icon at the URL for the given index. If it's not fetched yet, fetch it and update when fisinhed. */
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std::optional<QIcon> getIcon(QModelIndex&, const QUrl&);
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protected:
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/** Resets the model's data. */
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void clearData();
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protected:
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const BaseInstance& m_base_instance;
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/* Basic search parameters */
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enum class SearchState { None, CanFetchMore, ResetRequested, Finished } m_search_state = SearchState::None;
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int m_next_search_offset = 0;
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QString m_search_term;
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unsigned int m_current_sort_index = 0;
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std::unique_ptr<ResourceAPI> m_api;
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ConcurrentTask m_current_job;
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shared_qobject_ptr<NetJob> m_current_icon_job;
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QSet<QUrl> m_currently_running_icon_actions;
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QSet<QUrl> m_failed_icon_actions;
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QList<ModPlatform::IndexedPack> m_packs;
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// HACK: We need this to prevent callbacks from calling the model after it has already been deleted.
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// This leaks a tiny bit of memory per time the user has opened a resource dialog. How to make this better?
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static QHash<ResourceModel*, bool> s_running_models;
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private:
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/* Default search request callbacks */
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void searchRequestFailed(QString reason, int network_error_code);
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void searchRequestAborted();
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signals:
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void versionListUpdated();
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void projectInfoUpdated();
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};
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} // namespace ResourceDownload
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