1 files changed, 136 insertions, 0 deletions
diff --git a/raveos-gnome-theme/theme-data/extensions/installed/blur-my-shell@aunetx/conveniences/pipeline_settings.js b/raveos-gnome-theme/theme-data/extensions/installed/blur-my-shell@aunetx/conveniences/pipeline_settings.js
new file mode 100644
index 0000000..eb5c173
--- /dev/null
+++ b/raveos-gnome-theme/theme-data/extensions/installed/blur-my-shell@aunetx/conveniences/pipeline_settings.js
@@ -0,0 +1,136 @@
+import GLib from 'gi://GLib';
+
+function is_plain_object(value) {
+    return value !== null
+        && typeof value === 'object'
+        && value.constructor === Object;
+}
+
+function unpack_string(value, label) {
+    const unpacked = value?.deep_unpack();
+    if (typeof unpacked !== 'string')
+        throw new Error(`${label} is not a string`);
+
+    return unpacked;
+}
+
+function unpack_effect(effect_variant) {
+    const effect = effect_variant?.deep_unpack();
+    if (!is_plain_object(effect))
+        throw new Error('effect is not an object');
+    if (!('type' in effect))
+        throw new Error('effect has no type');
+    if (!('id' in effect))
+        throw new Error('effect has no id');
+
+    const params = 'params' in effect ? effect.params.deep_unpack() : {};
+    if (!is_plain_object(params))
+        throw new Error('effect params is not an object');
+
+    return {
+        type: unpack_string(effect.type, 'effect type'),
+        id: unpack_string(effect.id, 'effect id'),
+        params: Object.fromEntries(
+            Object.entries(params).map(([key, value]) => [key, value.deep_unpack()])
+        ),
+    };
+}
+
+export function unpack_pipelines(value) {
+    const unpacked = value.deep_unpack();
+    if (!is_plain_object(unpacked))
+        throw new Error('pipelines is not an object');
+
+    const pipelines = {};
+    for (const [pipeline_id, pipeline] of Object.entries(unpacked)) {
+        if (!is_plain_object(pipeline))
+            throw new Error(`pipeline ${pipeline_id} is not an object`);
+        if (!('name' in pipeline))
+            throw new Error(`pipeline ${pipeline_id} has no name`);
+        if (!('effects' in pipeline))
+            throw new Error(`pipeline ${pipeline_id} has no effects`);
+
+        const effects = pipeline.effects.deep_unpack();
+        if (!Array.isArray(effects))
+            throw new Error(`pipeline ${pipeline_id} effects is not an array`);
+
+        pipelines[pipeline_id] = {
+            name: unpack_string(pipeline.name, `pipeline ${pipeline_id} name`),
+            effects: effects.map(unpack_effect),
+        };
+    }
+
+    return pipelines;
+}
+
+function pack_param(value, label) {
+    if (typeof value === 'boolean')
+        return GLib.Variant.new_boolean(value);
+    if (typeof value === 'number')
+        return Number.isInteger(value)
+            ? GLib.Variant.new_int32(value)
+            : GLib.Variant.new_double(value);
+    if (typeof value === 'string')
+        return GLib.Variant.new_string(value);
+    if (
+        Array.isArray(value)
+        && value.length === 4
+        && value.every(component => typeof component === 'number')
+    )
+        return new GLib.Variant('(dddd)', value);
+
+    throw new Error(`${label} has an unsupported type`);
+}
+
+function pack_effect(effect, label) {
+    if (!is_plain_object(effect))
+        throw new Error(`${label} is not an object`);
+    if (typeof effect.type !== 'string')
+        throw new Error(`${label} type is not a string`);
+    if (typeof effect.id !== 'string')
+        throw new Error(`${label} id is not a string`);
+
+    const params = effect.params ?? {};
+    if (!is_plain_object(params))
+        throw new Error(`${label} params is not an object`);
+
+    const packed_params = Object.fromEntries(
+        Object.entries(params).map(([key, value]) => [
+            key,
+            pack_param(value, `${label} parameter ${key}`),
+        ])
+    );
+
+    return new GLib.Variant('a{sv}', {
+        type: GLib.Variant.new_string(effect.type),
+        id: GLib.Variant.new_string(effect.id),
+        params: new GLib.Variant('a{sv}', packed_params),
+    });
+}
+
+export function pack_pipelines(pipelines) {
+    if (!is_plain_object(pipelines))
+        throw new Error('pipelines is not an object');
+
+    const packed = {};
+    for (const [pipeline_id, pipeline] of Object.entries(pipelines)) {
+        if (!is_plain_object(pipeline))
+            throw new Error(`pipeline ${pipeline_id} is not an object`);
+        if (typeof pipeline.name !== 'string')
+            throw new Error(`pipeline ${pipeline_id} name is not a string`);
+        if (!Array.isArray(pipeline.effects))
+            throw new Error(`pipeline ${pipeline_id} effects is not an array`);
+
+        packed[pipeline_id] = {
+            name: GLib.Variant.new_string(pipeline.name),
+            effects: new GLib.Variant(
+                'av',
+                pipeline.effects.map((effect, index) =>
+                    pack_effect(effect, `pipeline ${pipeline_id} effect ${index}`)
+                )
+            ),
+        };
+    }
+
+    return new GLib.Variant('a{sa{sv}}', packed);
+}