*
* Copyright 2026 Alexander Vanhee
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#include "config.h"
#include <bge.h>
#include <libdex.h>
#include "bz-app-tile.h"
#include "bz-application-map-factory.h"
#include "bz-application.h"
#include "bz-article.h"
#include "bz-aspect-picture.h"
#include "bz-async-texture.h"
#include "bz-dynamic-list-view.h"
#include "bz-rich-app-tile.h"
#include "bz-screenshot-page.h"
#include "bz-state-info.h"
#include "bz-window.h"
#include "env.h"
#include "global-net.h"
#include "io.h"
#include "util.h"
struct _BzArticle
{
AdwNavigationPage parent_instance;
BzCuratedArticle *article;
GCancellable *cancellable;
AdwStyleManager *style_manager;
GListStore *screenshot_textures;
GListStore *screenshot_captions;
AdwViewStack *stack;
BgeMarkdownRender *render;
};
G_DEFINE_FINAL_TYPE (BzArticle, bz_article, ADW_TYPE_NAVIGATION_PAGE)
enum
{
PROP_0,
PROP_ARTICLE,
LAST_PROP
};
static GParamSpec *props[LAST_PROP] = { 0 };
static void
dark_changed (BzArticle *self,
GParamSpec *pspec,
AdwStyleManager *mgr);
static void
load_markdown (BzArticle *self);
static void
load_markdown_then (DexFuture *future,
BzArticle *self);
static GtkWidget *
markdown_bind_inline_uri (BzArticle *self,
const char *title,
const char *src,
BgeMarkdownRender *markdown);
static gboolean
is_scrolled_down (gpointer object,
double value);
static GtkWidget *
build_appstream_wrap_box (const char *remainder);
static void
screenshot_clicked (GtkButton *button,
gpointer user_data);
static GtkWidget *
build_screenshot_box (BzArticle *self,
const char *title,
GFile *file);
static void
hook_tile_bind_widget (BzDynamicListView *list_view,
GtkWidget *widget,
GObject *object,
gpointer user_data);
static BzEntryGroup *
parse_hook_group (const char *item);
static void
bz_article_dispose (GObject *object)
{
BzArticle *self = BZ_ARTICLE (object);
g_signal_handlers_disconnect_by_func (
self->style_manager, dark_changed, self);
if (self->cancellable != NULL)
{
g_cancellable_cancel (self->cancellable);
g_clear_object (&self->cancellable);
}
g_clear_object (&self->article);
g_clear_object (&self->style_manager);
g_clear_object (&self->screenshot_textures);
g_clear_object (&self->screenshot_captions);
G_OBJECT_CLASS (bz_article_parent_class)->dispose (object);
}
static void
bz_article_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
BzArticle *self = BZ_ARTICLE (object);
switch (prop_id)
{
case PROP_ARTICLE:
g_value_set_object (value, self->article);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
bz_article_class_init (BzArticleClass *klass)
{
GObjectClass *object_class = NULL;
GtkWidgetClass *widget_class = NULL;
object_class = G_OBJECT_CLASS (klass);
widget_class = GTK_WIDGET_CLASS (klass);
object_class->dispose = bz_article_dispose;
object_class->get_property = bz_article_get_property;
props[PROP_ARTICLE] =
g_param_spec_object (
"article",
NULL, NULL,
BZ_TYPE_CURATED_ARTICLE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, LAST_PROP, props);
gtk_widget_class_set_template_from_resource (widget_class, "/io/github/kolunmi/Bazaar/bz-article.ui");
gtk_widget_class_bind_template_child (widget_class, BzArticle, stack);
gtk_widget_class_bind_template_child (widget_class, BzArticle, render);
gtk_widget_class_bind_template_callback (widget_class, markdown_bind_inline_uri);
gtk_widget_class_bind_template_callback (widget_class, is_scrolled_down);
}
static void
bz_article_init (BzArticle *self)
{
gtk_widget_init_template (GTK_WIDGET (self));
self->style_manager = g_object_ref (
adw_style_manager_get_default ());
g_signal_connect_swapped (
self->style_manager,
"notify::dark",
G_CALLBACK (dark_changed),
self);
bge_markdown_render_set_dark (
self->render,
adw_style_manager_get_dark (self->style_manager));
self->screenshot_textures = g_list_store_new (BZ_TYPE_ASYNC_TEXTURE);
self->screenshot_captions = g_list_store_new (GTK_TYPE_STRING_OBJECT);
}
AdwNavigationPage *
bz_article_new (BzCuratedArticle *article)
{
BzArticle *self = NULL;
const char *title = NULL;
g_return_val_if_fail (article == NULL || BZ_IS_CURATED_ARTICLE (article), NULL);
self = g_object_new (BZ_TYPE_ARTICLE, NULL);
if (article != NULL)
{
self->article = g_object_ref (article);
title = bz_curated_article_get_title (article);
adw_navigation_page_set_title (ADW_NAVIGATION_PAGE (self), title != NULL ? title : "");
load_markdown (self);
}
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_ARTICLE]);
return ADW_NAVIGATION_PAGE (self);
}
static void
dark_changed (BzArticle *self,
GParamSpec *pspec,
AdwStyleManager *mgr)
{
bge_markdown_render_set_dark (self->render, adw_style_manager_get_dark (mgr));
}
static void
load_markdown (BzArticle *self)
{
const char *uri = NULL;
g_autoptr (DexFuture) future = NULL;
if (self->article == NULL)
return;
uri = bz_curated_article_get_uri (self->article);
if (uri == NULL)
{
adw_view_stack_set_visible_child_name (self->stack, "error");
return;
}
adw_view_stack_set_visible_child_name (self->stack, "loading");
self->cancellable = g_cancellable_new ();
future = bz_fetch_uri_contents (uri);
future = dex_future_then (
future,
(DexFutureCallback) load_markdown_then,
g_object_ref (self), g_object_unref);
dex_future_disown (g_steal_pointer (&future));
}
static void
load_markdown_then (DexFuture *future,
BzArticle *self)
{
g_autoptr (GError) local_error = NULL;
const GValue *value = NULL;
g_autoptr (GBytes) bytes = NULL;
gconstpointer data = NULL;
gsize size = 0;
if (g_cancellable_is_cancelled (self->cancellable))
return;
value = dex_future_get_value (future, &local_error);
if (value == NULL)
{
g_warning ("Failed to load article markdown: %s",
local_error != NULL ? local_error->message : "unknown error");
adw_view_stack_set_visible_child_name (self->stack, "error");
return;
}
bytes = g_value_dup_boxed (value);
data = g_bytes_get_data (bytes, &size);
bge_markdown_render_set_markdown (self->render, (const char *) data);
adw_view_stack_set_visible_child_name (self->stack, "content");
}
static gboolean
is_scrolled_down (gpointer object,
double value)
{
return value > 50.0;
}
static void
hook_tile_bind_widget (BzDynamicListView *list_view,
GtkWidget *widget,
GObject *object,
gpointer user_data)
{
BzEntryGroup *group = BZ_ENTRY_GROUP (object);
const char *icon_uri = NULL;
icon_uri = g_object_get_data (object, "bz-hook-icon-uri");
if (g_object_get_data (object, "bz-hook-app") != NULL)
{
gtk_actionable_set_action_name (GTK_ACTIONABLE (widget), "window.activate-hook-app");
gtk_actionable_set_action_target (GTK_ACTIONABLE (widget), "s", bz_entry_group_get_id (group));
if (icon_uri != NULL)
{
g_autoptr (GFile) icon_file = NULL;
g_autoptr (BzAsyncTexture) texture = NULL;
icon_file = g_file_new_for_uri (icon_uri);
texture = bz_async_texture_new_lazy (icon_file, NULL);
bz_app_tile_set_icon_override (BZ_APP_TILE (widget), GDK_PAINTABLE (texture));
}
}
}
static BzEntryGroup *
parse_hook_group (const char *item)
{
g_autoptr (GUri) uri = NULL;
g_autoptr (GHashTable) params = NULL;
g_autoptr (GError) local_error = NULL;
const char *id = NULL;
const char *title = NULL;
const char *subtitle = NULL;
const char *icon_uri = NULL;
BzEntryGroup *group = NULL;
uri = g_uri_parse (item, G_URI_FLAGS_NONE, &local_error);
if (uri == NULL)
return NULL;
params = g_uri_parse_params (
g_uri_get_query (uri), -1, "&", G_URI_PARAMS_NONE, &local_error);
if (params == NULL)
return NULL;
id = g_hash_table_lookup (params, "id");
title = g_hash_table_lookup (params, "title");
subtitle = g_hash_table_lookup (params, "subtitle");
icon_uri = g_hash_table_lookup (params, "icon");
group = bz_entry_group_new_manual (id, title, subtitle);
if (group != NULL)
{
g_object_set_data (G_OBJECT (group), "bz-hook-app", GINT_TO_POINTER (TRUE));
if (icon_uri != NULL)
g_object_set_data_full (G_OBJECT (group), "bz-hook-icon-uri", g_strdup (icon_uri), g_free);
}
return group;
}
static GtkWidget *
build_appstream_wrap_box (const char *remainder)
{
g_auto (GStrv) items = NULL;
guint n_items = 0;
g_autoptr (GListStore) groups = NULL;
GtkWidget *list_view = NULL;
items = g_strsplit (remainder, ",", -1);
n_items = g_strv_length (items);
groups = g_list_store_new (BZ_TYPE_ENTRY_GROUP);
for (guint i = 0; i < n_items; i++)
{
const char *item = items[i];
if (g_str_has_prefix (item, "appstream://"))
{
g_autoptr (GtkStringObject) string = NULL;
g_autoptr (BzEntryGroup) group = NULL;
string = gtk_string_object_new (item + strlen ("appstream://"));
group = bz_application_map_factory_convert_one (
bz_state_info_get_application_factory (bz_state_info_get_default ()),
g_steal_pointer (&string));
if (group != NULL)
g_list_store_append (groups, group);
}
else if (g_str_has_prefix (item, "bazaar-hook://"))
{
g_autoptr (BzEntryGroup) group = NULL;
group = parse_hook_group (item);
if (group != NULL)
g_list_store_append (groups, group);
}
}
list_view = GTK_WIDGET (bz_dynamic_list_view_new ());
gtk_widget_set_hexpand (list_view, TRUE);
g_signal_connect (list_view, "bind-widget", G_CALLBACK (hook_tile_bind_widget), NULL);
g_object_set (
list_view,
"scroll", FALSE,
"noscroll-kind", BZ_DYNAMIC_LIST_VIEW_KIND_FLOW_BOX,
"child-type", "BzAppTile",
"child-prop", "group",
"column-spacing", 12,
"row-spacing", 12,
"model", groups,
NULL);
if (g_list_model_get_n_items (G_LIST_MODEL (groups)) == 1)
{
GtkWidget *clamp = NULL;
clamp = GTK_WIDGET (adw_clamp_new ());
g_object_set (
clamp,
"maximum-size", 375,
"hexpand", TRUE,
"margin-top", 12,
"margin-bottom", 12,
"child", list_view,
NULL);
return clamp;
}
gtk_widget_set_margin_top (list_view, 12);
gtk_widget_set_margin_bottom (list_view, 12);
return list_view;
}
static void
screenshot_clicked (GtkButton *button,
gpointer user_data)
{
BzArticle *self = user_data;
guint index = 0;
GtkWidget *root = NULL;
BzScreenshotPage *page = NULL;
index = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (button), "bz-screenshot-index"));
root = GTK_WIDGET (gtk_widget_get_root (GTK_WIDGET (button)));
if (!BZ_IS_WINDOW (root))
return;
page = BZ_SCREENSHOT_PAGE (bz_screenshot_page_new (
G_LIST_MODEL (self->screenshot_textures),
G_LIST_MODEL (self->screenshot_captions),
index,
GTK_WIDGET (button)));
bz_window_open_screenshot_page (BZ_WINDOW (root), page);
}
static GtkWidget *
build_screenshot_box (BzArticle *self,
const char *title,
GFile *file)
{
g_autoptr (BzAsyncTexture) texture = NULL;
GtkWidget *picture = NULL;
GtkWidget *box = NULL;
GtkWidget *button = NULL;
guint index = 0;
texture = bz_async_texture_new_lazy (file, NULL);
picture = bz_aspect_picture_new ();
bz_aspect_picture_set_paintable (BZ_ASPECT_PICTURE (picture), GDK_PAINTABLE (texture));
bz_aspect_picture_set_ratio (BZ_ASPECT_PICTURE (picture), 0.0);
gtk_widget_set_hexpand (picture, TRUE);
gtk_widget_set_halign (picture, GTK_ALIGN_FILL);
if (title != NULL)
gtk_accessible_update_property (GTK_ACCESSIBLE (picture),
GTK_ACCESSIBLE_PROPERTY_LABEL, title, -1);
index = g_list_model_get_n_items (G_LIST_MODEL (self->screenshot_textures));
g_list_store_append (self->screenshot_textures, texture);
{
g_autoptr (GtkStringObject) caption_obj = NULL;
caption_obj = gtk_string_object_new (title != NULL ? title : "");
g_list_store_append (self->screenshot_captions, caption_obj);
}
button = gtk_button_new ();
gtk_widget_add_css_class (button, "article-image-button");
gtk_widget_set_hexpand (button, TRUE);
gtk_widget_set_halign (button, GTK_ALIGN_FILL);
gtk_button_set_child (GTK_BUTTON (button), picture);
g_object_set_data (G_OBJECT (button), "bz-screenshot-index", GUINT_TO_POINTER (index));
g_signal_connect (button, "clicked", G_CALLBACK (screenshot_clicked), self);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_widget_set_margin_top (box, 15);
gtk_widget_set_margin_bottom (box, 15);
gtk_box_append (GTK_BOX (box), button);
if (title != NULL)
{
GtkWidget *caption = NULL;
caption = gtk_label_new (title);
gtk_widget_add_css_class (caption, "caption");
gtk_widget_add_css_class (caption, "dimmed");
gtk_label_set_xalign (GTK_LABEL (caption), 0.5);
gtk_box_append (GTK_BOX (box), caption);
}
return box;
}
static GtkWidget *
markdown_bind_inline_uri (BzArticle *self,
const char *title,
const char *src,
BgeMarkdownRender *markdown)
{
g_autoptr (GFile) file = NULL;
if (src == NULL)
return NULL;
if (g_str_has_prefix (src, "appstream://") || g_str_has_prefix (src, "bazaar-hook://"))
return build_appstream_wrap_box (src);
file = g_file_new_for_uri (src);
if (file != NULL)
return build_screenshot_box (self, title, file);
return NULL;
}
