Added batch downloading

data/gui/screens/addons_screen.stkgui

@@ -2,6 +2,8 @@
 <stkgui>
     <div x="1%" y="0" width="98%" layout="horizontal-row" height="9%">
         <icon-button id="back" height="100%" icon_align="left" icon="gui/icons/back.png"/>
+        <spacer proportion="0.1" height="1"/>
+        <icon-button id="download_all" height="100%" icon="gui/icons/package-update.png" icon_align="left"/>
         <spacer proportion="1" height="1"/>
         <icon-button id="reload" y="5%" height="90%" icon_align="right" icon="gui/icons/restart.png"/>
     </div>

src/states_screens/addons_screen.cpp

@@ -44,6 +44,7 @@ using namespace Online;
 AddonsScreen::AddonsScreen() : Screen("addons_screen.stkgui")
 {
     m_selected_index = -1;
+    m_addons_loading = NULL;
 
     // Add date filters.
     // I18N: Time filters for add-ons
@@ -427,6 +428,24 @@ void AddonsScreen::eventCallback(GUIEngine::Widget* widget,
         StateManager::get()->escapePressed();
     }
 
+    else if (name == "download_all") {
+        GUIEngine::ListWidget *list =
+            getWidget<GUIEngine::ListWidget>("list_addons");
+        int item_count = list->getItemCount();
+        irr::gui::CGUISTKListBox *listbox =
+            list->getIrrlichtElement<irr::gui::CGUISTKListBox>();
+        m_cancelled = false;
+
+        for (int i = 0; i < item_count; i++) {
+            std::string id = listbox->getItem(i).m_internal_name;
+            Addon *addon = addons_manager->getAddon(id);
+
+            if (addon != NULL && (!addon->isInstalled() || addon->needsUpdate())) {
+                m_addon_queue.push_back(id);
+            }
+        }
+    }
+
     else if (name == "reload")
     {
         if (!m_reloading)
@@ -503,6 +522,19 @@ void AddonsScreen::onUpdate(float dt)
 {
 #ifndef SERVER_ONLY
     NewsManager::get()->joinDownloadThreadIfExit();
+    if (m_cancelled)
+    {
+        m_addon_queue.clear();
+    }
+
+    if (m_addon_queue.size() > 0 && !m_addons_loading)
+    {
+        m_addons_loading = new AddonsLoading(m_addon_queue.front());
+        m_addon_queue.pop_front();
+        m_addons_loading->tryInstall();
+        m_addons_loading->m_cancelled = &m_cancelled;
+        m_addons_loading = NULL;
+    }
 
     if (m_reloading)
     {

src/states_screens/addons_screen.hpp

@@ -23,6 +23,8 @@
 #include "guiengine/widgets/list_widget.hpp"
 #include "guiengine/widgets/text_box_widget.hpp"
 
+#include <list>
+
 /* used for the installed/unsinstalled icons*/
 namespace irr { namespace gui { class STKModifiedSpriteBank; } }
 
@@ -59,6 +61,9 @@ class AddonsScreen : public GUIEngine::Screen,
     /** Icon for 'loading' */
     int              m_icon_loading;
 
+    std::list<std::string> m_addon_queue;
+    AddonsLoading * m_addons_loading;
+
     irr::gui::STKModifiedSpriteBank
                     *m_icon_bank;
 
@@ -73,6 +78,8 @@ class AddonsScreen : public GUIEngine::Screen,
 
     bool             m_sort_desc;
 
+    bool             m_cancelled;
+
     /** List of date filters **/
     std::vector<DateFilter> m_date_filters;
 

src/states_screens/dialogs/addons_loading.cpp

@@ -62,6 +62,7 @@ AddonsLoading::AddonsLoading(const std::string &id)
              , m_addon(*(addons_manager->getAddon(id)) )
 #endif
 {
+    m_cancelled        = NULL;
     m_message_shown    = false;
     m_icon_shown       = false;
 #ifdef SERVER_ONLY
@@ -371,6 +372,8 @@ void AddonsLoading::stopDownload()
     {
         m_download_request->cancel();
         m_download_request = nullptr;
+        if (m_cancelled)
+            *m_cancelled = true;
     }
 }   // startDownload
 

src/states_screens/dialogs/addons_loading.hpp

@@ -60,6 +60,7 @@ class AddonsLoading : public GUIEngine::ModalDialog
     std::shared_ptr<Online::HTTPRequest> m_download_request;
 
 public:
+    bool * m_cancelled;
     AddonsLoading(const std::string &addon_name);
 
    ~AddonsLoading();