panthera-www.cc
C++ source, ASCII text, with very long lines (382)
1#include "gpanthera.hh" 2#include <gtkmm.h> 3#include <glibmm.h> 4#include <glibmm/ustring.h> 5#include <iostream> 6#include <memory> 7#include <libintl.h> 8#include <locale.h> 9#include <gtk/gtk.h> 10#include <gdk/gdk.h> 11#include <webkit/webkit.h> 12#include <fstream> 13#include <nlohmann/json.hpp> 14#include <iomanip> 15#include <sstream> 16#include <dlfcn.h> 17#include "external/sqlite_orm/sqlite_orm.h" 18#include "plugin_api.h" 19#define _(STRING) gettext(STRING) 20 21using plugin_entrypoint_type = void(*)(void); 22 23std::string url_encode(const std::string &value) { 24// Thanks https://stackoverflow.com/a/17708801 25std::ostringstream escaped; 26escaped.fill('0'); 27escaped << std::hex; 28 29for(char c : value) { 30// Keep alphanumeric and other accepted characters intact 31if (isalnum(c) || c == '-' || c == '_' || c == '.' || c == '~') { 32escaped << c; 33continue; 34} 35 36// Any other characters are percent-encoded 37escaped << std::uppercase; 38escaped << '%' << std::setw(2) << int((unsigned char) c); 39escaped << std::nouppercase; 40} 41 42return escaped.str(); 43} 44 45bool starts_with(const Glib::ustring &str, const Glib::ustring &prefix) { 46return str.size() >= prefix.size() && str.compare(0, prefix.size(), prefix) == 0; 47} 48 49bool ends_with(const Glib::ustring &str, const Glib::ustring &suffix) { 50return str.size() >= suffix.size() && str.compare(str.size() - suffix.size(), suffix.size(), suffix) == 0; 51} 52 53struct SearchEngine { 54Glib::ustring name; 55Glib::ustring url; 56Glib::ustring get_search_url(const std::string &query) { 57auto pos = url.find("%s"); 58if(pos == Glib::ustring::npos) { 59throw std::runtime_error("Invalid search engine URL: missing '%s' placeholder"); 60} 61auto new_url = url; 62new_url.replace(pos, 2, url_encode(query)); 63return new_url; 64} 65}; 66 67struct HistoryEntry { 68int id; 69std::string url, title; 70int64_t timestamp; 71}; 72 73using StorageType = decltype(sqlite_orm::make_storage("", 74sqlite_orm::make_table("history", 75sqlite_orm::make_column("id", &HistoryEntry::id, sqlite_orm::primary_key()), 76sqlite_orm::make_column("url", &HistoryEntry::url), 77sqlite_orm::make_column("title", &HistoryEntry::title), 78sqlite_orm::make_column("timestamp", &HistoryEntry::timestamp) 79) 80)); 81 82class HistoryManager { 83public: 84static auto make_storage(const std::string& path) { 85return sqlite_orm::make_storage(path, 86sqlite_orm::make_table("history", 87sqlite_orm::make_column("id", &HistoryEntry::id, sqlite_orm::primary_key()), 88sqlite_orm::make_column("url", &HistoryEntry::url), 89sqlite_orm::make_column("title", &HistoryEntry::title), 90sqlite_orm::make_column("timestamp", &HistoryEntry::timestamp) 91) 92); 93} 94StorageType storage; 95explicit HistoryManager(const std::string &db_path) : storage(make_storage(db_path)) { 96storage.sync_schema(); 97} 98 99void log_url(const std::string &url, const std::string title, const int64_t timestamp = Glib::DateTime::create_now_local().to_unix()) { 100storage.insert(HistoryEntry{-1, url, title, timestamp}); 101} 102 103std::vector<HistoryEntry> get_history() { 104return storage.get_all<HistoryEntry>(); 105} 106 107std::vector<HistoryEntry> get_history_between(int64_t start_time, int64_t end_time) { 108using namespace sqlite_orm; 109return storage.get_all<HistoryEntry>( 110where(c(&HistoryEntry::timestamp) >= start_time and c(&HistoryEntry::timestamp) < end_time), 111order_by(&HistoryEntry::timestamp).desc() 112); 113} 114}; 115 116class HistoryViewer : public gPanthera::DockablePane { 117protected: 118std::shared_ptr<HistoryManager> history_manager; 119Gtk::Calendar *calendar; 120Gtk::Label *date_label; 121Gtk::Box *box_place; 122public: 123sigc::signal<void(const std::string &url)> signal_open_url; 124HistoryViewer(std::shared_ptr<gPanthera::LayoutManager> layout_manager, std::shared_ptr<HistoryManager> history_manager) : gPanthera::DockablePane(layout_manager, *Gtk::make_managed<Gtk::Box>(Gtk::Orientation::VERTICAL, 0), "history", _("History"), Gtk::make_managed<Gtk::Image>(Gio::Icon::create("document-open-recent-symbolic"))), history_manager(std::move(history_manager)) { 125auto history_toolbar = Gtk::make_managed<Gtk::Box>(Gtk::Orientation::HORIZONTAL, 0); 126auto history_button_previous = Gtk::make_managed<Gtk::Button>(); 127history_button_previous->set_child(*Gtk::make_managed<Gtk::Image>(Gio::Icon::create("go-previous-symbolic"))); 128history_button_previous->set_tooltip_text(_("Previous day")); 129auto history_button_next = Gtk::make_managed<Gtk::Button>(); 130history_button_next->set_child(*Gtk::make_managed<Gtk::Image>(Gio::Icon::create("go-next-symbolic"))); 131history_button_next->set_tooltip_text(_("Next day")); 132 133date_label = Gtk::make_managed<Gtk::Label>(""); 134auto date_button = Gtk::make_managed<Gtk::MenuButton>(); 135date_button->set_child(*date_label); 136date_button->set_tooltip_text(_("Select date")); 137date_button->set_direction(Gtk::ArrowType::NONE); 138auto date_popover = Gtk::make_managed<Gtk::Popover>(); 139calendar = Gtk::make_managed<Gtk::Calendar>(); 140date_popover->set_child(*calendar); 141date_button->set_popover(*date_popover); 142date_button->set_has_frame(false); 143date_button->set_hexpand(true); 144 145history_toolbar->append(*history_button_previous); 146history_toolbar->append(*date_button); 147history_toolbar->append(*history_button_next); 148auto box = dynamic_cast<Gtk::Box*>(this->child); 149box->append(*history_toolbar); 150 151history_button_next->signal_clicked().connect([this]() { 152Glib::DateTime calendar_day = calendar->get_date(); 153Glib::DateTime datetime = Glib::DateTime::create_local( 154calendar_day.get_year(), 155calendar_day.get_month(), 156calendar_day.get_day_of_month(), 1570, 0, 0 158); 159auto next_entries = this->history_manager->storage.get_all<HistoryEntry>( 160sqlite_orm::where(sqlite_orm::c(&HistoryEntry::timestamp) >= datetime.to_unix() + 86400), 161sqlite_orm::order_by(&HistoryEntry::timestamp).asc() 162); 163if(next_entries.empty()) { 164return; 165} 166auto last_entry = next_entries.front(); 167Glib::DateTime next_day = Glib::DateTime::create_now_local(last_entry.timestamp); 168Glib::DateTime new_date = Glib::DateTime::create_local( 169next_day.get_year(), 170next_day.get_month(), 171next_day.get_day_of_month(), 1720, 0, 0 173); 174calendar->select_day(new_date); 175reload_history(); 176}); 177 178history_button_previous->signal_clicked().connect([this]() { 179Glib::DateTime calendar_day = calendar->get_date(); 180Glib::DateTime datetime = Glib::DateTime::create_local( 181calendar_day.get_year(), 182calendar_day.get_month(), 183calendar_day.get_day_of_month(), 1840, 0, 0 185); 186auto previous_entries = this->history_manager->storage.get_all<HistoryEntry>( 187sqlite_orm::where(sqlite_orm::c(&HistoryEntry::timestamp) < datetime.to_unix()), 188sqlite_orm::order_by(&HistoryEntry::timestamp).desc() 189); 190if(previous_entries.empty()) { 191return; 192} 193auto last_entry = previous_entries.front(); 194Glib::DateTime previous_day = Glib::DateTime::create_now_local(last_entry.timestamp); 195Glib::DateTime new_date = Glib::DateTime::create_local( 196previous_day.get_year(), 197previous_day.get_month(), 198previous_day.get_day_of_month(), 1990, 0, 0 200); 201calendar->select_day(new_date); 202reload_history(); 203}); 204 205calendar->signal_day_selected().connect(sigc::mem_fun(*this, &HistoryViewer::reload_history)); 206calendar->signal_prev_month().connect(sigc::mem_fun(*this, &HistoryViewer::reload_history)); 207calendar->signal_next_month().connect(sigc::mem_fun(*this, &HistoryViewer::reload_history)); 208calendar->signal_prev_year().connect(sigc::mem_fun(*this, &HistoryViewer::reload_history)); 209calendar->signal_next_year().connect(sigc::mem_fun(*this, &HistoryViewer::reload_history)); 210Glib::DateTime datetime = Glib::DateTime::create_now_local(); 211calendar->select_day(datetime); 212 213this->signal_pane_shown.connect([this]() { 214// Load the current date 215reload_history(); 216}); 217 218auto scrolled_window = Gtk::make_managed<Gtk::ScrolledWindow>(); 219box_place = Gtk::make_managed<Gtk::Box>(Gtk::Orientation::VERTICAL, 0); 220auto viewport = Gtk::make_managed<Gtk::Viewport>(nullptr, nullptr); 221viewport->set_child(*box_place); 222scrolled_window->set_child(*viewport); 223scrolled_window->set_policy(Gtk::PolicyType::AUTOMATIC, Gtk::PolicyType::AUTOMATIC); 224scrolled_window->set_vexpand(true); 225scrolled_window->set_hexpand(true); 226box->append(*scrolled_window); 227 228// TODO: allow deleting entries 229} 230 231void reload_history() { 232Glib::DateTime calendar_day = calendar->get_date(); 233Glib::DateTime datetime = Glib::DateTime::create_local( 234calendar_day.get_year(), 235calendar_day.get_month(), 236calendar_day.get_day_of_month(), 2370, 0, 0 238); 239date_label->set_text(datetime.format("%x")); 240auto box = Gtk::make_managed<Gtk::ListBox>(); 241auto history_entries = history_manager->get_history_between(datetime.to_unix(), datetime.to_unix() + 86400); 242for(const auto &entry : history_entries) { 243auto row = Gtk::make_managed<Gtk::Box>(Gtk::Orientation::VERTICAL, 4); 244auto title = Gtk::make_managed<Gtk::Label>(entry.title.empty() ? "Untitled" : entry.title); 245title->set_halign(Gtk::Align::START); 246title->set_ellipsize(Pango::EllipsizeMode::MIDDLE); 247auto label = Gtk::make_managed<Gtk::Label>(entry.url); 248label->set_halign(Gtk::Align::START); 249label->set_ellipsize(Pango::EllipsizeMode::MIDDLE); 250row->append(*title); 251row->append(*label); 252if(auto time = Glib::DateTime::create_now_local(entry.timestamp)) { 253label->set_tooltip_text(time.format("%c")); 254box->append(*row); 255} 256} 257if(box_place->get_first_child()) { 258box_place->remove(*box_place->get_first_child()); 259} 260box->signal_row_activated().connect([this](Gtk::ListBoxRow *row) { 261if(auto box_row = dynamic_cast<Gtk::Box*>(row->get_child())) { 262if(auto label = dynamic_cast<Gtk::Label*>(box_row->get_last_child())) { 263auto url = label->get_text(); 264if(!url.empty()) { 265signal_open_url.emit(url); 266} 267} 268} 269}); 270box_place->append(*box); 271} 272}; 273 274class PantheraWindow; 275 276class PantheraWww : public Gtk::Application { 277private: 278std::shared_ptr<gPanthera::ContentManager> content_manager; 279std::string cookie_file; 280std::vector<SearchEngine> search_engines; 281SearchEngine* default_search_engine; 282std::shared_ptr<HistoryManager> history_manager; 283Glib::RefPtr<Gio::Menu> main_menu; 284std::string new_tab_page; 285 286static void load_change_callback(WebKitWebView* object, WebKitLoadEvent load_event, gpointer data); 287static void notify_callback(GObject* object, GParamSpec* pspec, gpointer data); 288static void notify_focused_callback(GObject* object, GParamSpec* pspec, gpointer data); 289static void on_back_pressed(GtkGestureClick* gesture, int n_press, double x, double y, gpointer user_data); 290static void on_forward_pressed(GtkGestureClick* gesture, int n_press, double x, double y, gpointer user_data); 291static gboolean on_decide_policy(WebKitWebView* source, WebKitPolicyDecision* decision, WebKitPolicyDecisionType type, gpointer user_data); 292 293protected: 294void on_startup() override; 295void on_activate() override; 296void on_shutdown() override; 297PantheraWindow *make_window(); 298 299public: 300PantheraWww(); 301friend class PantheraWindow; 302void on_new_tab(gPanthera::ContentStack* stack, const Glib::ustring& url = "", bool focus = true, bool new_window = false); 303void set_search_engines_from_json(const std::string& json_string); 304static Glib::RefPtr<PantheraWww> create(); 305std::shared_ptr<gPanthera::ContentManager> get_content_manager(); 306void load_plugin(const std::string& plugin_path); 307}; 308 309class PantheraWindow : public Gtk::ApplicationWindow { 310private: 311std::shared_ptr<gPanthera::LayoutManager> layout_manager; 312Gtk::Entry *url_bar; 313HistoryViewer *history_viewer; 314gPanthera::ContentPage *controlled_page = nullptr; 315public: 316friend class PantheraWww; 317explicit PantheraWindow(Glib::RefPtr<Gtk::Application> const &application) : Gtk::ApplicationWindow(application) { 318auto panthera = dynamic_cast<PantheraWww*>(application.get()); 319if(!panthera) { 320throw std::runtime_error("Application is not a PantheraWww instance"); 321} 322this->set_default_size(800, 600); 323layout_manager = std::make_shared<gPanthera::LayoutManager>(); 324 325auto dock_stack_1 = Gtk::make_managed<gPanthera::DockStack>(layout_manager, _("One"), "one"); 326auto switcher_1 = Gtk::make_managed<gPanthera::DockStackSwitcher>(dock_stack_1, Gtk::Orientation::HORIZONTAL); 327auto dock_stack_2 = Gtk::make_managed<gPanthera::DockStack>(layout_manager, _("Two"), "two"); 328auto switcher_2 = Gtk::make_managed<gPanthera::DockStackSwitcher>(dock_stack_2, Gtk::Orientation::VERTICAL); 329auto pane_1_content = Gtk::make_managed<Gtk::Box>(Gtk::Orientation::VERTICAL, 0); 330auto debug_button = Gtk::make_managed<Gtk::Button>("Debug"); 331auto print_history_button = Gtk::make_managed<Gtk::Button>("Print history"); 332print_history_button->signal_clicked().connect([this, panthera]() { 333auto history = panthera->history_manager->get_history(); 334for(const auto &entry : history) { 335std::cout << "entry " << entry.id << ", url " << entry.url << ", unix time " << entry.timestamp << std::endl; 336// TODO: exclude redirecting URLs 337} 338}); 339pane_1_content->append(*debug_button); 340pane_1_content->append(*print_history_button); 341auto pane_1_icon = Gtk::make_managed<Gtk::Image>(Gio::Icon::create("help-about-symbolic")); 342auto pane_1 = Gtk::make_managed<gPanthera::DockablePane>(layout_manager, *pane_1_content, "debug", _("Debugging options"), pane_1_icon); 343 344dock_stack_1->set_transition_type(Gtk::StackTransitionType::SLIDE_LEFT_RIGHT); 345dock_stack_1->set_transition_duration(125); 346dock_stack_1->set_expand(true); 347dock_stack_2->set_transition_type(Gtk::StackTransitionType::SLIDE_UP_DOWN); 348dock_stack_2->set_transition_duration(125); 349dock_stack_2->set_expand(true); 350 351auto outer_grid = Gtk::make_managed<Gtk::Grid>(); 352outer_grid->attach(*switcher_2, 0, 2, 1, 1); 353outer_grid->attach(*switcher_1, 1, 3, 1, 1); 354auto outer_paned = Gtk::make_managed<Gtk::Paned>(Gtk::Orientation::HORIZONTAL); 355outer_paned->set_start_child(*dock_stack_2); 356auto inner_paned = Gtk::make_managed<Gtk::Paned>(Gtk::Orientation::VERTICAL); 357auto content = Gtk::make_managed<Gtk::Box>(Gtk::Orientation::VERTICAL, 0); 358panthera->content_manager = std::make_shared<gPanthera::ContentManager>(); 359std::function<bool(gPanthera::ContentPage*)> detach_handler; 360detach_handler = [](gPanthera::ContentPage *widget) { 361auto new_stack = Gtk::make_managed<gPanthera::ContentStack>(widget->content_manager, widget->get_stack()->get_detach_handler()); 362auto new_switcher = Gtk::make_managed<gPanthera::ContentTabBar>(new_stack, Gtk::Orientation::HORIZONTAL, dynamic_cast<gPanthera::ContentTabBar*>(widget->get_stack()->get_parent()->get_first_child())->get_extra_child_function()); 363auto new_notebook = Gtk::make_managed<gPanthera::ContentNotebook>(new_stack, new_switcher); 364auto window = new gPanthera::ContentWindow(new_notebook); 365widget->redock(new_stack); 366window->present(); 367new_stack->signal_leave_empty.connect([window]() { 368window->close(); 369delete window; 370}); 371return true; 372}; 373 374auto return_extra_child = [this, panthera](gPanthera::ContentTabBar *switcher) { 375auto new_tab_button = Gtk::make_managed<Gtk::Button>(); 376new_tab_button->set_child(*Gtk::make_managed<Gtk::Image>(Gio::Icon::create("list-add-symbolic"))); 377new_tab_button->set_tooltip_text("New tab"); 378new_tab_button->signal_clicked().connect([this, switcher, panthera]() { 379panthera->on_new_tab(switcher->get_stack()); 380}); 381return new_tab_button; 382}; 383auto content_stack = Gtk::make_managed<gPanthera::ContentStack>(panthera->content_manager, detach_handler); 384auto content_stack_switcher = Gtk::make_managed<gPanthera::ContentTabBar>(content_stack, Gtk::Orientation::HORIZONTAL, return_extra_child); 385panthera->content_manager->add_stack(content_stack); 386WebKitWebView *webview = WEBKIT_WEB_VIEW(webkit_web_view_new()); // for some reason, this has to be created 387content->set_name("content_box"); 388auto content_notebook = Gtk::make_managed<gPanthera::ContentNotebook>(content_stack, content_stack_switcher, Gtk::PositionType::TOP); 389content->append(*content_notebook); 390inner_paned->set_start_child(*content); 391inner_paned->set_end_child(*dock_stack_1); 392outer_paned->set_end_child(*inner_paned); 393outer_grid->attach(*outer_paned, 1, 2, 1, 1); 394// Create the toolbar 395auto main_toolbar = Gtk::make_managed<Gtk::Box>(Gtk::Orientation::HORIZONTAL, 8); 396// URL bar 397url_bar = Gtk::make_managed<Gtk::Entry>(); 398url_bar->set_placeholder_text(_("Enter URL")); 399url_bar->set_hexpand(true); 400auto load_url_callback = [this, panthera]() { 401bool has_protocol = url_bar->get_text().find("://") != std::string::npos; 402if(!has_protocol) { 403url_bar->set_text("http://" + url_bar->get_text()); 404} 405if(controlled_page) { 406if(auto webview = WEBKIT_WEB_VIEW(controlled_page->get_child()->get_first_child()->gobj())) { 407webkit_web_view_load_uri(webview, url_bar->get_text().c_str()); 408} 409} 410}; 411// Go 412auto go_button = Gtk::make_managed<Gtk::Button>(_("Go")); 413go_button->signal_clicked().connect(load_url_callback); 414url_bar->signal_activate().connect(load_url_callback); 415panthera->content_manager->signal_page_operated.connect([this, panthera](gPanthera::ContentPage *page) { 416if(!page->get_child()) { 417return; 418} 419if(!page->get_child()->get_first_child()) { 420return; 421} 422if(page->get_root() != this) { 423// The page is in some other window 424return; 425} 426controlled_page = page; 427url_bar->set_text(webkit_web_view_get_uri(WEBKIT_WEB_VIEW(page->get_child()->get_first_child()->gobj()))); 428guint url_update_handler = g_signal_connect(page->get_child()->get_first_child()->gobj(), "notify", G_CALLBACK(panthera->notify_focused_callback), this); 429std::shared_ptr<sigc::connection> control_signal_handler = std::make_shared<sigc::connection>(); 430*control_signal_handler = page->signal_control_status_changed.connect([this, page, control_signal_handler, url_update_handler](bool controlled) { 431if(!controlled) { 432control_signal_handler->disconnect(); 433if(page->get_child() && page->get_child()->get_first_child() && WEBKIT_IS_WEB_VIEW(page->get_child()->get_first_child()->gobj())) { 434g_signal_handler_disconnect(page->get_child()->get_first_child()->gobj(), url_update_handler); 435} 436} 437}); 438}); 439history_viewer = Gtk::make_managed<HistoryViewer>(layout_manager, panthera->history_manager); 440history_viewer->signal_open_url.connect([this, panthera](const std::string &url) { 441panthera->on_new_tab(nullptr, url, true); 442}); 443// Back, forward, reload 444auto back_button = Gtk::make_managed<Gtk::Button>(); 445back_button->set_child(*Gtk::make_managed<Gtk::Image>(Gio::Icon::create("go-previous-symbolic"))); 446back_button->set_tooltip_text("Back"); 447auto forward_button = Gtk::make_managed<Gtk::Button>(); 448forward_button->set_child(*Gtk::make_managed<Gtk::Image>(Gio::Icon::create("go-next-symbolic"))); 449forward_button->set_tooltip_text("Forward"); 450auto reload_button = Gtk::make_managed<Gtk::Button>(); 451reload_button->set_child(*Gtk::make_managed<Gtk::Image>(Gio::Icon::create("view-refresh-symbolic"))); 452reload_button->set_tooltip_text("Reload"); 453back_button->signal_clicked().connect([this, panthera]() { 454if(controlled_page) { 455if(auto webview = WEBKIT_WEB_VIEW(controlled_page->get_child()->get_first_child()->gobj())) { 456webkit_web_view_go_back(webview); 457} 458} 459}); 460forward_button->signal_clicked().connect([this, panthera]() { 461if(controlled_page) { 462if(auto webview = WEBKIT_WEB_VIEW(controlled_page->get_child()->get_first_child()->gobj())) { 463webkit_web_view_go_forward(webview); 464} 465} 466}); 467reload_button->signal_clicked().connect([this, panthera]() { 468if(controlled_page) { 469if(auto webview = WEBKIT_WEB_VIEW(controlled_page->get_child()->get_first_child()->gobj())) { 470webkit_web_view_reload(webview); 471} 472} 473}); 474// Search bar 475// TODO: provide history, provide a menu button with the other engines 476auto search_bar = Gtk::make_managed<Gtk::Entry>(); 477search_bar->set_placeholder_text(_("Search")); 478search_bar->set_hexpand(true); 479if(panthera->search_engines.empty()) { 480search_bar->set_sensitive(false); 481search_bar->set_placeholder_text(_("No search")); 482} 483auto search_callback = [this, search_bar, content_stack, panthera]() { 484// Create a new tab with the search results 485if(panthera->content_manager->get_last_operated_page()) { 486panthera->on_new_tab(nullptr); 487} else { 488panthera->on_new_tab(content_stack); 489} 490auto page = panthera->content_manager->get_last_operated_page(); 491if(page) { 492if(auto webview = WEBKIT_WEB_VIEW(page->get_child()->get_first_child()->gobj())) { 493auto search_url = panthera->default_search_engine->get_search_url(search_bar->get_text()); 494webkit_web_view_load_uri(webview, search_url.c_str()); 495} 496} 497}; 498if(panthera->default_search_engine) { 499search_bar->signal_activate().connect(search_callback); 500} 501 502// Assemble the toolbar 503main_toolbar->append(*back_button); 504main_toolbar->append(*forward_button); 505main_toolbar->append(*reload_button); 506main_toolbar->append(*url_bar); 507main_toolbar->append(*go_button); 508main_toolbar->append(*search_bar); 509if(panthera->default_search_engine) { 510auto search_button = Gtk::make_managed<Gtk::Button>(panthera->default_search_engine->name); 511search_button->signal_clicked().connect(search_callback); 512main_toolbar->append(*search_button); 513} 514outer_grid->attach(*main_toolbar, 0, 1, 2, 1); 515this->set_child(*outer_grid); 516debug_button->signal_clicked().connect([this, panthera]() { 517if(panthera->content_manager->get_last_operated_page()) { 518std::cout << "Last operated page: " << panthera->content_manager->get_last_operated_page()->get_name() << std::endl; 519} else { 520std::cout << "No page operated!" << std::endl; 521} 522}); 523// TODO: Use the last operated page and allow opening tabs next to the last operated page using certain panes 524// Load the existing layout, if it exists 525std::ifstream layout_file_in("layout.json"); 526if(layout_file_in) { 527std::string layout_json((std::istreambuf_iterator<char>(layout_file_in)), std::istreambuf_iterator<char>()); 528layout_file_in.close(); 529layout_manager->restore_json_layout(layout_json); 530} else { 531// Create a new layout if the file doesn't exist 532layout_file_in.close(); 533 534dock_stack_1->add_pane(*pane_1); 535dock_stack_1->add_pane(*history_viewer); 536 537std::ofstream layout_file_out("layout.json"); 538layout_file_out << layout_manager->get_layout_as_json(); 539layout_file_out.close(); 540} 541// Save the layout when changed 542layout_manager->signal_pane_moved.connect([this, panthera](gPanthera::DockablePane *pane) { 543std::ofstream layout_file_out("layout.json"); 544layout_file_out << layout_manager->get_layout_as_json(); 545layout_file_out.close(); 546std::cout << "Layout changed: " << layout_manager->get_layout_as_json() << std::endl; 547}); 548set_show_menubar(true); 549} 550}; 551 552void PantheraWww::load_change_callback(WebKitWebView *object, WebKitLoadEvent load_event, gpointer data) { 553if(auto self = static_cast<PantheraWww*>(data)) { 554if(load_event == WEBKIT_LOAD_COMMITTED) { 555if(webkit_web_view_get_title(WEBKIT_WEB_VIEW(object)) == nullptr) { 556self->history_manager->log_url(webkit_web_view_get_uri(WEBKIT_WEB_VIEW(object)), ""); 557} else { 558self->history_manager->log_url(webkit_web_view_get_uri(WEBKIT_WEB_VIEW(object)), 559webkit_web_view_get_title(WEBKIT_WEB_VIEW(object))); 560} 561// TODO: reload visible history viewers 562} 563} 564} 565 566void PantheraWww::notify_callback(GObject *object, GParamSpec *pspec, gpointer data) { 567if(!gtk_widget_get_parent(GTK_WIDGET(object))) { 568return; 569} 570if(auto self = static_cast<PantheraWww*>(data)) { 571auto parent = gtk_widget_get_parent(gtk_widget_get_parent(GTK_WIDGET(object))); 572if(auto page = dynamic_cast<gPanthera::ContentPage*>(Glib::wrap(parent))) { 573if(g_strcmp0(pspec->name, "title") == 0) { 574if(auto label = dynamic_cast<Gtk::Label*>(page->tab_widget->get_last_child())) { 575if(strlen(webkit_web_view_get_title(WEBKIT_WEB_VIEW(object))) == 0) { 576label->set_label(_("Untitled")); 577} else { 578label->set_label(webkit_web_view_get_title(WEBKIT_WEB_VIEW(object))); 579} 580} 581} else if(g_strcmp0(pspec->name, "favicon") == 0) { 582// Update favicons 583if(auto image = dynamic_cast<Gtk::Image*>(page->tab_widget->get_first_child())) { 584image->set_from_icon_name("image-loading-symbolic"); 585if(auto favicon = webkit_web_view_get_favicon(WEBKIT_WEB_VIEW(object))) { 586gtk_image_set_from_paintable(image->gobj(), GDK_PAINTABLE(favicon)); 587} 588} 589} 590} 591} 592} 593 594void PantheraWww::notify_focused_callback(GObject *object, GParamSpec *pspec, gpointer data) { 595if(!gtk_widget_get_parent(GTK_WIDGET(object))) { 596return; 597} 598auto this_ = static_cast<PantheraWww*>(data); 599auto parent = gtk_widget_get_parent(gtk_widget_get_parent(GTK_WIDGET(object))); 600if(auto page = dynamic_cast<gPanthera::ContentPage*>(Glib::wrap(parent))) { 601if(g_strcmp0(pspec->name, "uri") == 0) { 602if(auto main_window = dynamic_cast<PantheraWindow*>(page->get_root())) { 603main_window->url_bar->set_text(webkit_web_view_get_uri(WEBKIT_WEB_VIEW(object))); 604} 605} 606} 607} 608 609void PantheraWww::on_back_pressed(GtkGestureClick *gesture, int n_press, double x, double y, gpointer user_data) { 610WebKitWebView *webview = WEBKIT_WEB_VIEW(user_data); 611webkit_web_view_go_back(webview); 612} 613 614void PantheraWww::on_forward_pressed(GtkGestureClick *gesture, int n_press, double x, double y, gpointer user_data) { 615WebKitWebView *webview = WEBKIT_WEB_VIEW(user_data); 616webkit_web_view_go_forward(webview); 617} 618 619gboolean PantheraWww::on_decide_policy(WebKitWebView *source, WebKitPolicyDecision *decision, WebKitPolicyDecisionType type, gpointer user_data) { 620if(auto self = static_cast<PantheraWww*>(user_data)) { 621if(type == WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION) { 622auto action = webkit_navigation_policy_decision_get_navigation_action(WEBKIT_NAVIGATION_POLICY_DECISION(decision)); 623Glib::ustring url = Glib::ustring(webkit_uri_request_get_uri(webkit_navigation_action_get_request(action))); 624if(!starts_with(url, "about:") && url.find("://") == Glib::ustring::npos) { 625// It is a special scheme (mailto:, tel: etc.) 626try { 627Gio::AppInfo::launch_default_for_uri(url); 628} catch(const Glib::Error &exception) { 629std::cerr << "Failed to launch special URI: " << exception.what() << std::endl; 630} 631webkit_policy_decision_ignore(decision); 632return true; 633} 634if(webkit_navigation_action_get_mouse_button(action) == 2) { 635// Middle-click opens in a new window 636self->on_new_tab(nullptr, url, false); 637webkit_policy_decision_ignore(decision); 638return true; 639} 640} else if(type == WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION) { 641auto action = webkit_navigation_policy_decision_get_navigation_action(WEBKIT_NAVIGATION_POLICY_DECISION(decision)); 642self->on_new_tab(nullptr, webkit_uri_request_get_uri(webkit_navigation_action_get_request(action)), false, true); 643return true; 644} 645} 646return false; 647} 648 649void PantheraWww::on_new_tab(gPanthera::ContentStack *stack, const Glib::ustring &url, bool focus, bool new_window) { 650if(!stack) { 651// Find the current area 652stack = content_manager->get_last_operated_page()->get_stack(); 653} 654Glib::ustring url_ = url; 655if(url.empty()) { 656url_ = new_tab_page; 657} 658 659WebKitWebView *webview = WEBKIT_WEB_VIEW(webkit_web_view_new()); 660gtk_widget_set_hexpand(GTK_WIDGET(webview), true); 661gtk_widget_set_vexpand(GTK_WIDGET(webview), true); 662auto page_content = Gtk::make_managed<Gtk::Box>(); 663gtk_box_append(page_content->gobj(), GTK_WIDGET(webview)); 664auto page_tab = new Gtk::Box(); 665page_tab->set_orientation(Gtk::Orientation::HORIZONTAL); 666auto initial_icon = Gtk::make_managed<Gtk::Image>(Gio::Icon::create("image-loading-symbolic")); 667page_tab->append(*initial_icon); 668page_tab->append(*Gtk::make_managed<Gtk::Label>("Untitled")); 669page_tab->set_spacing(4); 670auto page = Gtk::make_managed<gPanthera::ContentPage>(content_manager, stack, page_content, page_tab); 671g_signal_connect(webview, "notify", G_CALLBACK(notify_callback), this); 672g_signal_connect(webview, "load-changed", G_CALLBACK(load_change_callback), this); 673g_signal_connect(webview, "decide-policy", G_CALLBACK(on_decide_policy), this); 674webkit_web_view_load_uri(webview, url_.data()); 675auto cookie_manager = webkit_network_session_get_cookie_manager(webkit_web_view_get_network_session(webview)); 676webkit_cookie_manager_set_persistent_storage(cookie_manager, cookie_file.c_str(), WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT); 677webkit_cookie_manager_set_accept_policy(cookie_manager, WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS); 678auto website_data_manager = webkit_network_session_get_website_data_manager(webkit_web_view_get_network_session(webview)); 679webkit_website_data_manager_set_favicons_enabled(website_data_manager, true); 680GtkEventController *click_controller_back = GTK_EVENT_CONTROLLER(gtk_gesture_click_new()); 681gtk_gesture_single_set_button(GTK_GESTURE_SINGLE(click_controller_back), 8); 682g_signal_connect(click_controller_back, "pressed", G_CALLBACK(on_back_pressed), webview); 683gtk_widget_add_controller(GTK_WIDGET(webview), click_controller_back); 684 685GtkEventController *click_controller_forward = GTK_EVENT_CONTROLLER(gtk_gesture_click_new()); 686gtk_gesture_single_set_button(GTK_GESTURE_SINGLE(click_controller_forward), 9); 687g_signal_connect(click_controller_forward, "pressed", G_CALLBACK(on_forward_pressed), webview); 688gtk_widget_add_controller(GTK_WIDGET(webview), click_controller_forward); 689 690stack->add_page(*page); 691if(focus) { 692stack->set_visible_child(*page); 693content_manager->set_last_operated_page(page); 694} 695if(new_window) { 696bool result = stack->signal_detach.emit(page); 697} 698} 699 700PantheraWindow *PantheraWww::make_window() { 701Glib::RefPtr<Gtk::Application> self_ref = Glib::make_refptr_for_instance<Gtk::Application>(this); 702auto window = Gtk::make_managed<PantheraWindow>(self_ref); 703add_window(*window); 704return window; 705} 706 707void PantheraWww::on_startup() { 708bindtextdomain("panthera-www", "./locales"); 709textdomain("panthera-www"); 710Gtk::Application::on_startup(); 711// Get search engines 712std::ifstream search_engines_file_in("search_engines.json"); 713if(search_engines_file_in) { 714std::string search_engines_json((std::istreambuf_iterator<char>(search_engines_file_in)), std::istreambuf_iterator<char>()); 715search_engines_file_in.close(); 716set_search_engines_from_json(search_engines_json); 717} else { 718search_engines_file_in.close(); 719auto empty_json = nlohmann::json::array(); 720std::ofstream search_engines_file_out("search_engines.json"); 721search_engines_file_out << empty_json.dump(4); 722} 723 724// Load settings 725new_tab_page = "about:blank"; 726std::ifstream settings_file_in("settings.json"); 727if(settings_file_in) { 728std::string settings_json((std::istreambuf_iterator<char>(settings_file_in)), std::istreambuf_iterator<char>()); 729settings_file_in.close(); 730auto json = nlohmann::json::parse(settings_json); 731if(json.contains("ntp")) { 732new_tab_page = json["ntp"].get<std::string>(); 733} 734} else { 735settings_file_in.close(); 736auto empty_json = nlohmann::json::object(); 737empty_json["ntp"] = "about:blank"; 738std::ofstream settings_file_out("settings.json"); 739settings_file_out << empty_json.dump(4); 740settings_file_out.close(); 741} 742 743// Load plugins 744std::ifstream plugin_file_in("plugins.json"); 745if(plugin_file_in) { 746std::string plugin_json((std::istreambuf_iterator<char>(plugin_file_in)), std::istreambuf_iterator<char>()); 747plugin_file_in.close(); 748auto json = nlohmann::json::parse(plugin_json); 749for(auto &plugin : json) { 750auto plugin_path = plugin["path"].get<std::string>(); 751load_plugin(plugin_path); 752} 753} else { 754plugin_file_in.close(); 755auto empty_json = nlohmann::json::array(); 756std::ofstream plugin_file_out("plugins.json"); 757plugin_file_out << empty_json.dump(4); 758plugin_file_out.close(); 759} 760history_manager = std::make_shared<HistoryManager>("history.db"); 761 762// Known bug <https://gitlab.gnome.org/GNOME/epiphany/-/issues/2714>: 763// JS can't veto the application's accelerators using `preventDefault()`. This is 764// not possible in WebKitGTK, or at least I can't find a way to do it. 765 766main_menu = Gio::Menu::create(); 767// File 768auto file_menu = Gio::Menu::create(); 769// New tab 770auto new_tab_action = Gio::SimpleAction::create("new_tab"); 771new_tab_action->signal_activate().connect([this](const Glib::VariantBase&) { 772on_new_tab(nullptr); 773}); 774add_action(new_tab_action); 775set_accels_for_action("app.new_tab", {"<Primary>T"}); 776file_menu->append(_("New tab"), "app.new_tab"); 777// Close tab 778auto close_tab_action = Gio::SimpleAction::create("close_tab"); 779close_tab_action->signal_activate().connect([this](const Glib::VariantBase&) { 780auto page = content_manager->get_last_operated_page(); 781if(page) { 782page->close(); 783} 784}); 785add_action(close_tab_action); 786set_accels_for_action("app.close_tab", {"<Primary>W"}); 787file_menu->append(_("Close tab"), "app.close_tab"); 788// New window 789auto new_window_action = Gio::SimpleAction::create("new_window"); 790new_window_action->signal_activate().connect([this](const Glib::VariantBase&) { 791on_activate(); 792}); 793add_action(new_window_action); 794set_accels_for_action("app.new_window", {"<Primary>N"}); 795file_menu->append(_("New window"), "app.new_window"); 796 797main_menu->append_submenu(_("File"), file_menu); 798 799set_menubar(main_menu); 800} 801 802void PantheraWww::on_activate() { 803auto window = make_window(); 804window->present(); 805} 806 807void PantheraWww::on_shutdown() { 808Gtk::Application::on_shutdown(); 809} 810 811void PantheraWww::set_search_engines_from_json(const std::string &json_string) { 812auto json = nlohmann::json::parse(json_string); 813Glib::ustring default_search_engine_name; 814for(auto &engine : json) { 815SearchEngine search_engine; 816search_engine.name = engine["name"].get<std::string>(); 817search_engine.url = engine["url"].get<std::string>(); 818search_engines.push_back(search_engine); 819if(engine.contains("default") && engine["default"].get<bool>()) { 820default_search_engine_name = engine["name"].get<std::string>(); 821} 822} 823for(auto &search_engine : search_engines) { 824if(search_engine.name == default_search_engine_name) { 825default_search_engine = &search_engine; 826break; 827} 828} 829} 830 831PantheraWww::PantheraWww() : Gtk::Application("com.roundabout_host.roundabout.PantheraWww", Gio::Application::Flags::NONE) { 832} 833 834Glib::RefPtr<PantheraWww> PantheraWww::create() { 835return Glib::make_refptr_for_instance<PantheraWww>(new PantheraWww()); 836} 837 838void PantheraWww::load_plugin(const std::string &plugin_path) { 839void *handle = dlopen(plugin_path.c_str(), RTLD_LAZY | RTLD_GLOBAL); 840if(!handle) { 841std::cerr << "Failed to load plugin: " << dlerror() << std::endl; 842return; 843} 844auto entrypoint = (plugin_entrypoint_type)dlsym(handle, "plugin_init"); 845if(!entrypoint) { 846std::cerr << "Failed to find entrypoint in plugin: " << dlerror() << std::endl; 847dlclose(handle); 848return; 849} 850entrypoint(); 851} 852 853Glib::RefPtr<PantheraWww> app = nullptr; 854 855extern "C" { 856void panthera_log(const char *message) { 857std::cerr << message << std::endl; 858} 859 860void panthera_add_pane(const char *id, const char *label, GtkImage *icon, GtkWidget *pane) { 861auto pane_child = Glib::wrap(pane); 862auto icon_cc = Glib::wrap(icon); 863auto label_cc = Glib::ustring(label); 864auto id_cc = Glib::ustring(id); 865//auto new_pane = Gtk::make_managed<gPanthera::DockablePane>(app->get_layout_manager(), *pane_child, id_cc, label_cc, icon_cc); 866// TODO: Port to multi-window 867//app->get_layout_manager()->add_pane(new_pane); 868} 869} 870 871int main(int argc, char *argv[]) { 872gPanthera::init(); 873 874app = PantheraWww::create(); 875return app->run(argc, argv); 876} 877