LibGUI: Add GUI::AppFile, a simple wrapper around .af files

Libraries/LibGUI/AppFile.cpp

@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2020, Linus Groh <mail@linusgroh.de>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <AK/Function.h>
+#include <AK/Vector.h>
+#include <LibCore/ConfigFile.h>
+#include <LibCore/DirIterator.h>
+#include <LibGUI/AppFile.h>
+
+namespace GUI {
+
+NonnullRefPtr<AppFile> AppFile::get_for_app(const StringView& app_name)
+{
+    auto path = String::formatted("{}/{}.af", APP_FILES_DIRECTORY, app_name);
+    return open(path);
+}
+
+NonnullRefPtr<AppFile> AppFile::open(const StringView& path)
+{
+    return adopt(*new AppFile(path));
+}
+
+void AppFile::for_each(Function<void(NonnullRefPtr<AppFile>)> callback, const StringView& directory)
+{
+    Core::DirIterator di(directory, Core::DirIterator::SkipDots);
+    if (di.has_error())
+        return;
+    while (di.has_next()) {
+        auto name = di.next_path();
+        if (!name.ends_with(".af"))
+            continue;
+        auto path = String::formatted("{}/{}", directory, name);
+        auto af = AppFile::open(path);
+        if (!af->is_valid())
+            continue;
+        callback(af);
+    }
+}
+
+AppFile::AppFile(const StringView& path)
+    : m_config(Core::ConfigFile::open(path))
+    , m_valid(validate())
+{
+}
+
+AppFile::~AppFile()
+{
+}
+
+bool AppFile::validate() const
+{
+    if (m_config->read_entry("App", "Name").trim_whitespace().is_empty())
+        return false;
+    if (m_config->read_entry("App", "Executable").trim_whitespace().is_empty())
+        return false;
+    return true;
+}
+
+String AppFile::name() const
+{
+    auto name = m_config->read_entry("App", "Name").trim_whitespace();
+    ASSERT(!name.is_empty());
+    return name;
+}
+
+String AppFile::executable() const
+{
+    auto executable = m_config->read_entry("App", "Executable").trim_whitespace();
+    ASSERT(!executable.is_empty());
+    return executable;
+}
+
+String AppFile::category() const
+{
+    return m_config->read_entry("App", "Category").trim_whitespace();
+}
+
+Vector<String> AppFile::launcher_file_types() const
+{
+    Vector<String> file_types;
+    for (auto& entry : m_config->read_entry("Launcher", "FileTypes").split(',')) {
+        entry = entry.trim_whitespace();
+        if (!entry.is_empty())
+            file_types.append(entry);
+    }
+    return file_types;
+}
+
+Vector<String> AppFile::launcher_protocols() const
+{
+    Vector<String> protocols;
+    for (auto& entry : m_config->read_entry("Launcher", "Protocols").split(',')) {
+        entry = entry.trim_whitespace();
+        if (!entry.is_empty())
+            protocols.append(entry);
+    }
+    return protocols;
+}
+
+}

Libraries/LibGUI/AppFile.h

@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2020, Linus Groh <mail@linusgroh.de>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <LibCore/ConfigFile.h>
+#include <LibGUI/FileIconProvider.h>
+#include <LibGUI/Icon.h>
+
+namespace GUI {
+
+class AppFile : public RefCounted<AppFile> {
+public:
+    static constexpr const char* APP_FILES_DIRECTORY = "/res/apps";
+    static NonnullRefPtr<AppFile> get_for_app(const StringView& app_name);
+    static NonnullRefPtr<AppFile> open(const StringView& path);
+    static void for_each(Function<void(NonnullRefPtr<AppFile>)>, const StringView& directory = APP_FILES_DIRECTORY);
+    ~AppFile();
+
+    bool is_valid() const { return m_valid; }
+    String file_name() const { return m_config->file_name(); }
+
+    String name() const;
+    String executable() const;
+    String category() const;
+    Vector<String> launcher_file_types() const;
+    Vector<String> launcher_protocols() const;
+
+    Icon icon() const { return FileIconProvider::icon_for_path(executable()); };
+
+private:
+    explicit AppFile(const StringView& path);
+
+    bool validate() const;
+
+    RefPtr<Core::ConfigFile> m_config;
+    bool m_valid { false };
+};
+
+}

Libraries/LibGUI/CMakeLists.txt

@@ -5,6 +5,7 @@ set(SOURCES
     AbstractView.cpp
     Action.cpp
     ActionGroup.cpp
+    AppFile.cpp
     Application.cpp
     BoxLayout.cpp
     Button.cpp