From 07f80da8f9c46c228c272e95ab88a3e098c899d9 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Tue, 30 Jun 2020 02:25:10 +0200
Subject: Add infinite image scroll mode

---
 src/QuickMedia.cpp | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 67 insertions(+), 1 deletion(-)

(limited to 'src/QuickMedia.cpp')

diff --git a/src/QuickMedia.cpp b/src/QuickMedia.cpp
index 881f2d6..9b57b0b 100644
--- a/src/QuickMedia.cpp
+++ b/src/QuickMedia.cpp
@@ -12,6 +12,7 @@
 #include "../include/StringUtils.hpp"
 #include "../include/GoogleCaptcha.hpp"
 #include "../include/Notification.hpp"
+#include "../include/ImageViewer.hpp"
 #include <cppcodec/base64_rfc4648.hpp>
 
 #include <SFML/Graphics/RectangleShape.hpp>
@@ -234,6 +235,11 @@ namespace QuickMedia {
                     window.setKeyRepeatEnabled(true);
                     break;
                 }
+                case Page::IMAGES_CONTINUOUS: {
+                    body->draw_thumbnails = false;
+                    image_continuous_page();
+                    break;
+                }
                 case Page::CONTENT_LIST: {
                     body->draw_thumbnails = true;
                     content_list_page();
@@ -796,7 +802,7 @@ namespace QuickMedia {
         images_url = item->url;
         chapter_title = item->title;
         image_index = 0;
-        current_page = Page::IMAGES;
+        current_page = Page::IMAGES_CONTINUOUS;
         if(start_from_beginning)
             return;
 
@@ -1181,6 +1187,66 @@ namespace QuickMedia {
         }
     }
 
+    void Program::image_continuous_page() {
+        search_bar->onTextUpdateCallback = nullptr;
+        search_bar->onTextSubmitCallback = nullptr;
+
+        assert(current_plugin->is_manga());
+        Manga *image_plugin = static_cast<Manga*>(current_plugin);
+
+        content_cache_dir = get_cache_dir().join(image_plugin->name).join(manga_id_base64).join(base64_encode(chapter_title));
+        if(create_directory_recursive(content_cache_dir) != 0) {
+            show_notification("Storage", "Failed to create directory: " + content_cache_dir.data, Urgency::CRITICAL);
+            current_page = Page::EPISODE_LIST;
+            return;
+        }
+        download_chapter_images_if_needed(image_plugin);
+
+        Json::Value &json_chapters = content_storage_json["chapters"];
+        Json::Value json_chapter;
+        int latest_read = 1 + image_index;
+        if(json_chapters.isObject()) {
+            json_chapter = json_chapters[chapter_title];
+            if(json_chapter.isObject()) {
+                const Json::Value &current = json_chapter["current"];
+                if(current.isNumeric())
+                    latest_read = std::max(latest_read, current.asInt());
+            } else {
+                json_chapter = Json::Value(Json::objectValue);
+            }
+        } else {
+            json_chapters = Json::Value(Json::objectValue);
+            json_chapter = Json::Value(Json::objectValue);
+        }
+
+        ImageViewer image_viewer(image_plugin, images_url, chapter_title, image_index, content_cache_dir, &font);
+
+        json_chapter["current"] = std::min(latest_read, image_viewer.get_num_pages());
+        json_chapter["total"] = image_viewer.get_num_pages();
+        json_chapters[chapter_title] = json_chapter;
+        if(!save_manga_progress_json(content_storage_file, content_storage_json)) {
+            show_notification("Manga progress", "Failed to save manga progress", Urgency::CRITICAL);
+        }
+
+        while(current_page == Page::IMAGES_CONTINUOUS) {
+            window.clear(back_color);
+            if(!image_viewer.draw(window))
+                current_page = Page::EPISODE_LIST;
+            window.display();
+
+            int focused_page = image_viewer.get_focused_page();
+            if(focused_page > latest_read) {
+                latest_read = focused_page;
+                image_index = latest_read - 1;
+                json_chapter["current"] = latest_read;
+                json_chapters[chapter_title] = json_chapter;
+                if(!save_manga_progress_json(content_storage_file, content_storage_json)) {
+                    show_notification("Manga progress", "Failed to save manga progress", Urgency::CRITICAL);
+                }
+            }
+        }
+    }
+
     void Program::content_list_page() {
         if(current_plugin->get_content_list(content_list_url, body->items) != PluginResult::OK) {
             show_notification("Content list", "Failed to get content list for url: " + content_list_url, Urgency::CRITICAL);
-- 
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