C++ source, ASCII text, with very long lines (379)
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#include "gpanthera.hh"
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#include <gtkmm.h>
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#include <glibmm.h>
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#include <glibmm/ustring.h>
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#include <iostream>
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#include <memory>
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#include <libintl.h>
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#include <locale.h>
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#include <gtk/gtk.h>
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#include <gdk/gdk.h>
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#include <webkit/webkit.h>
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#include <fstream>
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#include <nlohmann/json.hpp>
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#include <iomanip>
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#include <sstream>
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#include <dlfcn.h>
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#include "external/sqlite_orm/sqlite_orm.h"
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#include "plugin_api.h"
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using plugin_entrypoint_type = void(*)(void);
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std::string url_encode(const std::string &value) {
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// Thanks https://stackoverflow.com/a/17708801
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std::ostringstream escaped;
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escaped.fill('0');
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escaped << std::hex;
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for(char c : value) {
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// Keep alphanumeric and other accepted characters intact
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if (isalnum(c) || c == '-' || c == '_' || c == '.' || c == '~') {
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escaped << c;
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continue;
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}
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// Any other characters are percent-encoded
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escaped << std::uppercase;
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escaped << '%' << std::setw(2) << int((unsigned char) c);
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escaped << std::nouppercase;
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}
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return escaped.str();
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}
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bool starts_with(const Glib::ustring &str, const Glib::ustring &prefix) {
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return str.size() >= prefix.size() && str.compare(0, prefix.size(), prefix) == 0;
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}
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bool ends_with(const Glib::ustring &str, const Glib::ustring &suffix) {
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return str.size() >= suffix.size() && str.compare(str.size() - suffix.size(), suffix.size(), suffix) == 0;
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}
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struct SearchEngine {
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Glib::ustring name;
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Glib::ustring url;
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Glib::ustring get_search_url(const std::string &query) {
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auto pos = url.find("%s");
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if(pos == Glib::ustring::npos) {
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throw std::runtime_error("Invalid search engine URL: missing '%s' placeholder");
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}
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auto new_url = url;
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new_url.replace(pos, 2, url_encode(query));
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return new_url;
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}
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};
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struct HistoryEntry {
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int id;
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std::string url, title;
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int64_t timestamp;
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};
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using StorageType = decltype(sqlite_orm::make_storage("",
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sqlite_orm::make_table("history",
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sqlite_orm::make_column("id", &HistoryEntry::id, sqlite_orm::primary_key()),
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sqlite_orm::make_column("url", &HistoryEntry::url),
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sqlite_orm::make_column("title", &HistoryEntry::title),
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sqlite_orm::make_column("timestamp", &HistoryEntry::timestamp)
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)
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));
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class HistoryManager {
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public:
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static auto make_storage(const std::string& path) {
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return sqlite_orm::make_storage(path,
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sqlite_orm::make_table("history",
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sqlite_orm::make_column("id", &HistoryEntry::id, sqlite_orm::primary_key()),
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sqlite_orm::make_column("url", &HistoryEntry::url),
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sqlite_orm::make_column("title", &HistoryEntry::title),
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sqlite_orm::make_column("timestamp", &HistoryEntry::timestamp)
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)
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);
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}
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StorageType storage;
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explicit HistoryManager(const std::string &db_path) : storage(make_storage(db_path)) {
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storage.sync_schema();
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}
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void log_url(const std::string &url, const std::string title, const int64_t timestamp = Glib::DateTime::create_now_local().to_unix()) {
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storage.insert(HistoryEntry{-1, url, title, timestamp});
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}
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std::vector<HistoryEntry> get_history() {
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return storage.get_all<HistoryEntry>();
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}
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std::vector<HistoryEntry> get_history_between(int64_t start_time, int64_t end_time) {
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using namespace sqlite_orm;
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return storage.get_all<HistoryEntry>(
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where(c(&HistoryEntry::timestamp) >= start_time and c(&HistoryEntry::timestamp) < end_time),
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order_by(&HistoryEntry::timestamp).desc()
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);
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}
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};
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class HistoryViewer : public gPanthera::DockablePane {
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protected:
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std::shared_ptr<HistoryManager> history_manager;
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Gtk::Calendar *calendar;
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Gtk::Label *date_label;
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Gtk::Box *box_place;
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public:
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sigc::signal<void(const std::string &url)> signal_open_url;
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HistoryViewer(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)) {
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auto history_toolbar = Gtk::make_managed<Gtk::Box>(Gtk::Orientation::HORIZONTAL, 0);
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auto history_button_previous = Gtk::make_managed<Gtk::Button>();
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history_button_previous->set_child(*Gtk::make_managed<Gtk::Image>(Gio::Icon::create("go-previous-symbolic")));
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history_button_previous->set_tooltip_text("Previous day");
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auto history_button_next = Gtk::make_managed<Gtk::Button>();
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history_button_next->set_child(*Gtk::make_managed<Gtk::Image>(Gio::Icon::create("go-next-symbolic")));
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history_button_next->set_tooltip_text("Next day");
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date_label = Gtk::make_managed<Gtk::Label>("");
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auto date_button = Gtk::make_managed<Gtk::MenuButton>();
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date_button->set_child(*date_label);
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date_button->set_tooltip_text("Select date");
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date_button->set_direction(Gtk::ArrowType::NONE);
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auto date_popover = Gtk::make_managed<Gtk::Popover>();
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calendar = Gtk::make_managed<Gtk::Calendar>();
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date_popover->set_child(*calendar);
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date_button->set_popover(*date_popover);
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date_button->set_has_frame(false);
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date_button->set_hexpand(true);
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history_toolbar->append(*history_button_previous);
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history_toolbar->append(*date_button);
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history_toolbar->append(*history_button_next);
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auto box = dynamic_cast<Gtk::Box*>(this->child);
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box->append(*history_toolbar);
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history_button_next->signal_clicked().connect([this]() {
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Glib::DateTime calendar_day = calendar->get_date();
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Glib::DateTime datetime = Glib::DateTime::create_local(
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calendar_day.get_year(),
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calendar_day.get_month(),
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calendar_day.get_day_of_month(),
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0, 0, 0
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);
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auto next_entries = this->history_manager->storage.get_all<HistoryEntry>(
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sqlite_orm::where(sqlite_orm::c(&HistoryEntry::timestamp) >= datetime.to_unix() + 86400),
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sqlite_orm::order_by(&HistoryEntry::timestamp).asc()
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);
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if(next_entries.empty()) {
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return;
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}
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auto last_entry = next_entries.front();
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Glib::DateTime next_day = Glib::DateTime::create_now_local(last_entry.timestamp);
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Glib::DateTime new_date = Glib::DateTime::create_local(
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next_day.get_year(),
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next_day.get_month(),
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next_day.get_day_of_month(),
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0, 0, 0
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);
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calendar->select_day(new_date);
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reload_history();
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});
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history_button_previous->signal_clicked().connect([this]() {
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Glib::DateTime calendar_day = calendar->get_date();
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Glib::DateTime datetime = Glib::DateTime::create_local(
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calendar_day.get_year(),
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calendar_day.get_month(),
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calendar_day.get_day_of_month(),
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0, 0, 0
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);
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auto previous_entries = this->history_manager->storage.get_all<HistoryEntry>(
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sqlite_orm::where(sqlite_orm::c(&HistoryEntry::timestamp) < datetime.to_unix()),
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sqlite_orm::order_by(&HistoryEntry::timestamp).desc()
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);
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if(previous_entries.empty()) {
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return;
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}
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auto last_entry = previous_entries.front();
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Glib::DateTime previous_day = Glib::DateTime::create_now_local(last_entry.timestamp);
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Glib::DateTime new_date = Glib::DateTime::create_local(
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previous_day.get_year(),
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previous_day.get_month(),
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previous_day.get_day_of_month(),
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0, 0, 0
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);
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calendar->select_day(new_date);
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reload_history();
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});
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calendar->signal_day_selected().connect(sigc::mem_fun(*this, &HistoryViewer::reload_history));
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calendar->signal_prev_month().connect(sigc::mem_fun(*this, &HistoryViewer::reload_history));
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calendar->signal_next_month().connect(sigc::mem_fun(*this, &HistoryViewer::reload_history));
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calendar->signal_prev_year().connect(sigc::mem_fun(*this, &HistoryViewer::reload_history));
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calendar->signal_next_year().connect(sigc::mem_fun(*this, &HistoryViewer::reload_history));
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Glib::DateTime datetime = Glib::DateTime::create_now_local();
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calendar->select_day(datetime);
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this->signal_pane_shown.connect([this]() {
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// Load the current date
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reload_history();
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});
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auto scrolled_window = Gtk::make_managed<Gtk::ScrolledWindow>();
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box_place = Gtk::make_managed<Gtk::Box>(Gtk::Orientation::VERTICAL, 0);
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auto viewport = Gtk::make_managed<Gtk::Viewport>(nullptr, nullptr);
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viewport->set_child(*box_place);
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scrolled_window->set_child(*viewport);
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scrolled_window->set_policy(Gtk::PolicyType::AUTOMATIC, Gtk::PolicyType::AUTOMATIC);
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scrolled_window->set_vexpand(true);
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scrolled_window->set_hexpand(true);
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box->append(*scrolled_window);
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// TODO: allow deleting entries
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}
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void reload_history() {
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Glib::DateTime calendar_day = calendar->get_date();
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Glib::DateTime datetime = Glib::DateTime::create_local(
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calendar_day.get_year(),
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calendar_day.get_month(),
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calendar_day.get_day_of_month(),
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0, 0, 0
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);
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date_label->set_text(datetime.format("%x"));
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auto box = Gtk::make_managed<Gtk::ListBox>();
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auto history_entries = history_manager->get_history_between(datetime.to_unix(), datetime.to_unix() + 86400);
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for(const auto &entry : history_entries) {
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auto row = Gtk::make_managed<Gtk::Box>(Gtk::Orientation::VERTICAL, 4);
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auto title = Gtk::make_managed<Gtk::Label>(entry.title.empty() ? "Untitled" : entry.title);
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title->set_halign(Gtk::Align::START);
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title->set_ellipsize(Pango::EllipsizeMode::MIDDLE);
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auto label = Gtk::make_managed<Gtk::Label>(entry.url);
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label->set_halign(Gtk::Align::START);
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label->set_ellipsize(Pango::EllipsizeMode::MIDDLE);
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row->append(*title);
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row->append(*label);
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if(auto time = Glib::DateTime::create_now_local(entry.timestamp)) {
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label->set_tooltip_text(time.format("%c"));
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box->append(*row);
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}
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}
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if(box_place->get_first_child()) {
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box_place->remove(*box_place->get_first_child());
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}
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box->signal_row_activated().connect([this](Gtk::ListBoxRow *row) {
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if(auto box_row = dynamic_cast<Gtk::Box*>(row->get_child())) {
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if(auto label = dynamic_cast<Gtk::Label*>(box_row->get_last_child())) {
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auto url = label->get_text();
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if(!url.empty()) {
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signal_open_url.emit(url);
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}
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}
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}
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});
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box_place->append(*box);
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}
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};
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class PantheraWindow;
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class PantheraWww : public Gtk::Application {
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private:
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std::shared_ptr<gPanthera::ContentManager> content_manager;
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std::string cookie_file;
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std::vector<SearchEngine> search_engines;
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SearchEngine* default_search_engine;
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std::shared_ptr<HistoryManager> history_manager;
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HistoryViewer* history_viewer;
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Glib::RefPtr<Gio::Menu> main_menu;
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std::string new_tab_page;
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static void load_change_callback(WebKitWebView* object, WebKitLoadEvent load_event, gpointer data);
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static void notify_callback(GObject* object, GParamSpec* pspec, gpointer data);
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static void notify_focused_callback(GObject* object, GParamSpec* pspec, gpointer data);
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static void on_back_pressed(GtkGestureClick* gesture, int n_press, double x, double y, gpointer user_data);
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static void on_forward_pressed(GtkGestureClick* gesture, int n_press, double x, double y, gpointer user_data);
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static gboolean on_decide_policy(WebKitWebView* source, WebKitPolicyDecision* decision, WebKitPolicyDecisionType type, gpointer user_data);
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protected:
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void on_startup() override;
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void on_activate() override;
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PantheraWindow *make_window();
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public:
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PantheraWww();
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friend class PantheraWindow;
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void on_new_tab(gPanthera::ContentStack* stack, const Glib::ustring& url = "", bool focus = true, bool new_window = false);
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void set_search_engines_from_json(const std::string& json_string);
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static Glib::RefPtr<PantheraWww> create();
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std::shared_ptr<gPanthera::ContentManager> get_content_manager();
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void load_plugin(const std::string& plugin_path);
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};
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class PantheraWindow : public Gtk::ApplicationWindow {
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private:
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std::shared_ptr<gPanthera::LayoutManager> layout_manager;
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Gtk::Entry *url_bar;
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public:
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friend class PantheraWww;
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explicit PantheraWindow(Glib::RefPtr<Gtk::Application> const &application) : Gtk::ApplicationWindow(application) {
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auto panthera = dynamic_cast<PantheraWww*>(application.get());
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if(!panthera) {
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throw std::runtime_error("Application is not a PantheraWww instance");
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}
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this->set_default_size(800, 600);
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layout_manager = std::make_shared<gPanthera::LayoutManager>();
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auto dock_stack_1 = Gtk::make_managed<gPanthera::DockStack>(layout_manager, "One", "one");
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auto switcher_1 = Gtk::make_managed<gPanthera::DockStackSwitcher>(dock_stack_1, Gtk::Orientation::HORIZONTAL);
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auto dock_stack_2 = Gtk::make_managed<gPanthera::DockStack>(layout_manager, "Two", "two");
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auto switcher_2 = Gtk::make_managed<gPanthera::DockStackSwitcher>(dock_stack_2, Gtk::Orientation::VERTICAL);
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auto pane_1_content = Gtk::make_managed<Gtk::Box>(Gtk::Orientation::VERTICAL, 0);
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auto debug_button = Gtk::make_managed<Gtk::Button>("Debug");
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auto print_history_button = Gtk::make_managed<Gtk::Button>("Print history");
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print_history_button->signal_clicked().connect([this, panthera]() {
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auto history = panthera->history_manager->get_history();
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for(const auto &entry : history) {
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std::cout << "entry " << entry.id << ", url " << entry.url << ", unix time " << entry.timestamp << std::endl;
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// TODO: exclude redirecting URLs
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}
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});
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pane_1_content->append(*debug_button);
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pane_1_content->append(*print_history_button);
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auto pane_1_icon = Gtk::make_managed<Gtk::Image>(Gio::Icon::create("help-about-symbolic"));
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auto pane_1 = Gtk::make_managed<gPanthera::DockablePane>(layout_manager, *pane_1_content, "debug", "Debugging options", pane_1_icon);
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dock_stack_1->set_transition_type(Gtk::StackTransitionType::SLIDE_LEFT_RIGHT);
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dock_stack_1->set_transition_duration(125);
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dock_stack_1->set_expand(true);
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dock_stack_2->set_transition_type(Gtk::StackTransitionType::SLIDE_UP_DOWN);
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dock_stack_2->set_transition_duration(125);
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dock_stack_2->set_expand(true);
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auto outer_grid = Gtk::make_managed<Gtk::Grid>();
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outer_grid->attach(*switcher_2, 0, 2, 1, 1);
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outer_grid->attach(*switcher_1, 1, 3, 1, 1);
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auto outer_paned = Gtk::make_managed<Gtk::Paned>(Gtk::Orientation::HORIZONTAL);
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outer_paned->set_start_child(*dock_stack_2);
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auto inner_paned = Gtk::make_managed<Gtk::Paned>(Gtk::Orientation::VERTICAL);
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auto content = Gtk::make_managed<Gtk::Box>(Gtk::Orientation::VERTICAL, 0);
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panthera->content_manager = std::make_shared<gPanthera::ContentManager>();
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std::function<bool(gPanthera::ContentPage*)> detach_handler;
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detach_handler = [](gPanthera::ContentPage *widget) {
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auto new_stack = Gtk::make_managed<gPanthera::ContentStack>(widget->content_manager, widget->get_stack()->get_detach_handler());
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auto 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());
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auto new_notebook = Gtk::make_managed<gPanthera::ContentNotebook>(new_stack, new_switcher);
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auto window = new gPanthera::ContentWindow(new_notebook);
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widget->redock(new_stack);
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window->present();
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new_stack->signal_leave_empty.connect([window]() {
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window->close();
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delete window;
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});
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return true;
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};
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auto return_extra_child = [this, panthera](gPanthera::ContentTabBar *switcher) {
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auto new_tab_button = Gtk::make_managed<Gtk::Button>();
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new_tab_button->set_child(*Gtk::make_managed<Gtk::Image>(Gio::Icon::create("list-add-symbolic")));
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new_tab_button->set_tooltip_text("New tab");
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new_tab_button->signal_clicked().connect([this, switcher, panthera]() {
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panthera->on_new_tab(switcher->get_stack());
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});
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return new_tab_button;
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};
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auto content_stack = Gtk::make_managed<gPanthera::ContentStack>(panthera->content_manager, detach_handler);
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auto content_stack_switcher = Gtk::make_managed<gPanthera::ContentTabBar>(content_stack, Gtk::Orientation::HORIZONTAL, return_extra_child);
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panthera->content_manager->add_stack(content_stack);
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WebKitWebView *webview = WEBKIT_WEB_VIEW(webkit_web_view_new()); // for some reason, this has to be created
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content->set_name("content_box");
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auto content_notebook = Gtk::make_managed<gPanthera::ContentNotebook>(content_stack, content_stack_switcher, Gtk::PositionType::TOP);
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content->append(*content_notebook);
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inner_paned->set_start_child(*content);
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inner_paned->set_end_child(*dock_stack_1);
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outer_paned->set_end_child(*inner_paned);
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outer_grid->attach(*outer_paned, 1, 2, 1, 1);
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// Create the toolbar
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auto main_toolbar = Gtk::make_managed<Gtk::Box>(Gtk::Orientation::HORIZONTAL, 8);
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// URL bar
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url_bar = Gtk::make_managed<Gtk::Entry>();
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url_bar->set_placeholder_text("Enter URL");
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url_bar->set_hexpand(true);
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auto load_url_callback = [this, panthera]() {
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auto page = panthera->content_manager->get_last_operated_page();
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bool has_protocol = url_bar->get_text().find("://") != std::string::npos;
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if(!has_protocol) {
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url_bar->set_text("http://" + url_bar->get_text());
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}
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if(page) {
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if(auto webview = WEBKIT_WEB_VIEW(page->get_child()->get_first_child()->gobj())) {
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webkit_web_view_load_uri(webview, url_bar->get_text().c_str());
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}
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}
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};
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// Go
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auto go_button = Gtk::make_managed<Gtk::Button>("Go");
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go_button->signal_clicked().connect(load_url_callback);
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url_bar->signal_activate().connect(load_url_callback);
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panthera->content_manager->signal_page_operated.connect([this, panthera](gPanthera::ContentPage *page) {
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if(!page->get_child()) {
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return;
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}
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if(!page->get_child()->get_first_child()) {
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return;
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}
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url_bar->set_text(webkit_web_view_get_uri(WEBKIT_WEB_VIEW(page->get_child()->get_first_child()->gobj())));
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guint url_update_handler = g_signal_connect(page->get_child()->get_first_child()->gobj(), "notify", G_CALLBACK(panthera->notify_focused_callback), this);
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std::shared_ptr<sigc::connection> control_signal_handler = std::make_shared<sigc::connection>();
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*control_signal_handler = page->signal_control_status_changed.connect([this, page, control_signal_handler, url_update_handler](bool controlled) {
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if(!controlled) {
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control_signal_handler->disconnect();
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if(page->get_child() && page->get_child()->get_first_child() && WEBKIT_IS_WEB_VIEW(page->get_child()->get_first_child()->gobj())) {
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g_signal_handler_disconnect(page->get_child()->get_first_child()->gobj(), url_update_handler);
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}
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}
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});
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});
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panthera->history_manager = std::make_shared<HistoryManager>("history.db");
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panthera->history_viewer = Gtk::make_managed<HistoryViewer>(layout_manager, panthera->history_manager);
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panthera->history_viewer->signal_open_url.connect([this, panthera](const std::string &url) {
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panthera->on_new_tab(nullptr, url, true);
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});
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// Back, forward, reload
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auto back_button = Gtk::make_managed<Gtk::Button>();
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back_button->set_child(*Gtk::make_managed<Gtk::Image>(Gio::Icon::create("go-previous-symbolic")));
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back_button->set_tooltip_text("Back");
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auto forward_button = Gtk::make_managed<Gtk::Button>();
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forward_button->set_child(*Gtk::make_managed<Gtk::Image>(Gio::Icon::create("go-next-symbolic")));
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forward_button->set_tooltip_text("Forward");
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auto reload_button = Gtk::make_managed<Gtk::Button>();
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reload_button->set_child(*Gtk::make_managed<Gtk::Image>(Gio::Icon::create("view-refresh-symbolic")));
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reload_button->set_tooltip_text("Reload");
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back_button->signal_clicked().connect([this, panthera]() {
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auto page = panthera->content_manager->get_last_operated_page();
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if(page) {
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if(auto webview = WEBKIT_WEB_VIEW(page->get_child()->get_first_child()->gobj())) {
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webkit_web_view_go_back(webview);
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}
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}
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});
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forward_button->signal_clicked().connect([this, panthera]() {
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auto page = panthera->content_manager->get_last_operated_page();
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if(page) {
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if(auto webview = WEBKIT_WEB_VIEW(page->get_child()->get_first_child()->gobj())) {
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webkit_web_view_go_forward(webview);
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}
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}
462
});
463
reload_button->signal_clicked().connect([this, panthera]() {
464
auto page = panthera->content_manager->get_last_operated_page();
465
if(page) {
466
if(auto webview = WEBKIT_WEB_VIEW(page->get_child()->get_first_child()->gobj())) {
467
webkit_web_view_reload(webview);
468
}
469
}
470
});
471
// Search bar
472
// TODO: provide history, provide a menu button with the other engines
473
auto search_bar = Gtk::make_managed<Gtk::Entry>();
474
search_bar->set_placeholder_text("Search");
475
search_bar->set_hexpand(true);
476
if(panthera->search_engines.empty()) {
477
search_bar->set_sensitive(false);
478
search_bar->set_placeholder_text("No search");
479
}
480
auto search_callback = [this, search_bar, content_stack, panthera]() {
481
// Create a new tab with the search results
482
if(panthera->content_manager->get_last_operated_page()) {
483
panthera->on_new_tab(nullptr);
484
} else {
485
panthera->on_new_tab(content_stack);
486
}
487
auto page = panthera->content_manager->get_last_operated_page();
488
if(page) {
489
if(auto webview = WEBKIT_WEB_VIEW(page->get_child()->get_first_child()->gobj())) {
490
auto search_url = panthera->default_search_engine->get_search_url(search_bar->get_text());
491
webkit_web_view_load_uri(webview, search_url.c_str());
492
}
493
}
494
};
495
if(panthera->default_search_engine) {
496
search_bar->signal_activate().connect(search_callback);
497
}
498
// Assemble the toolbar
500
main_toolbar->append(*back_button);
501
main_toolbar->append(*forward_button);
502
main_toolbar->append(*reload_button);
503
main_toolbar->append(*url_bar);
504
main_toolbar->append(*go_button);
505
main_toolbar->append(*search_bar);
506
if(panthera->default_search_engine) {
507
auto search_button = Gtk::make_managed<Gtk::Button>(panthera->default_search_engine->name);
508
search_button->signal_clicked().connect(search_callback);
509
main_toolbar->append(*search_button);
510
}
511
outer_grid->attach(*main_toolbar, 0, 1, 2, 1);
512
this->set_child(*outer_grid);
513
debug_button->signal_clicked().connect([this, panthera]() {
514
if(panthera->content_manager->get_last_operated_page()) {
515
std::cout << "Last operated page: " << panthera->content_manager->get_last_operated_page()->get_name() << std::endl;
516
} else {
517
std::cout << "No page operated!" << std::endl;
518
}
519
});
520
// TODO: Use the last operated page and allow opening tabs next to the last operated page using certain panes
521
// Load the existing layout, if it exists
522
std::ifstream layout_file_in("layout.json");
523
if(layout_file_in) {
524
std::string layout_json((std::istreambuf_iterator<char>(layout_file_in)), std::istreambuf_iterator<char>());
525
layout_file_in.close();
526
layout_manager->restore_json_layout(layout_json);
527
} else {
528
// Create a new layout if the file doesn't exist
529
layout_file_in.close();
530
dock_stack_1->add_pane(*pane_1);
532
dock_stack_1->add_pane(*panthera->history_viewer);
533
std::ofstream layout_file_out("layout.json");
535
layout_file_out << layout_manager->get_layout_as_json();
536
layout_file_out.close();
537
}
538
// Save the layout when changed
539
layout_manager->signal_pane_moved.connect([this, panthera](gPanthera::DockablePane *pane) {
540
std::ofstream layout_file_out("layout.json");
541
layout_file_out << layout_manager->get_layout_as_json();
542
layout_file_out.close();
543
std::cout << "Layout changed: " << layout_manager->get_layout_as_json() << std::endl;
544
});
545
set_show_menubar(true);
546
}
547
};
548
void PantheraWww::load_change_callback(WebKitWebView *object, WebKitLoadEvent load_event, gpointer data) {
550
if(auto self = static_cast<PantheraWww*>(data)) {
551
if(load_event == WEBKIT_LOAD_COMMITTED) {
552
if(webkit_web_view_get_title(WEBKIT_WEB_VIEW(object)) == nullptr) {
553
self->history_manager->log_url(webkit_web_view_get_uri(WEBKIT_WEB_VIEW(object)), "");
554
} else {
555
self->history_manager->log_url(webkit_web_view_get_uri(WEBKIT_WEB_VIEW(object)),
556
webkit_web_view_get_title(WEBKIT_WEB_VIEW(object)));
557
}
558
if(self->history_viewer->get_visible()) {
559
self->history_viewer->reload_history();
560
}
561
}
562
}
563
}
564
void PantheraWww::notify_callback(GObject *object, GParamSpec *pspec, gpointer data) {
566
if(!gtk_widget_get_parent(GTK_WIDGET(object))) {
567
return;
568
}
569
if(auto self = static_cast<PantheraWww*>(data)) {
570
auto parent = gtk_widget_get_parent(gtk_widget_get_parent(GTK_WIDGET(object)));
571
if(auto page = dynamic_cast<gPanthera::ContentPage*>(Glib::wrap(parent))) {
572
if(g_strcmp0(pspec->name, "title") == 0) {
573
if(auto label = dynamic_cast<Gtk::Label*>(page->tab_widget->get_last_child())) {
574
if(strlen(webkit_web_view_get_title(WEBKIT_WEB_VIEW(object))) == 0) {
575
label->set_label("Untitled");
576
} else {
577
label->set_label(webkit_web_view_get_title(WEBKIT_WEB_VIEW(object)));
578
}
579
}
580
} else if(g_strcmp0(pspec->name, "favicon") == 0) {
581
// Update favicons
582
if(auto image = dynamic_cast<Gtk::Image*>(page->tab_widget->get_first_child())) {
583
image->set_from_icon_name("image-loading-symbolic");
584
if(auto favicon = webkit_web_view_get_favicon(WEBKIT_WEB_VIEW(object))) {
585
gtk_image_set_from_paintable(image->gobj(), GDK_PAINTABLE(favicon));
586
}
587
}
588
}
589
}
590
}
591
}
592
void PantheraWww::notify_focused_callback(GObject *object, GParamSpec *pspec, gpointer data) {
594
if(!gtk_widget_get_parent(GTK_WIDGET(object))) {
595
return;
596
}
597
auto this_ = static_cast<PantheraWww*>(data);
598
auto parent = gtk_widget_get_parent(gtk_widget_get_parent(GTK_WIDGET(object)));
599
if(auto page = dynamic_cast<gPanthera::ContentPage*>(Glib::wrap(parent))) {
600
if(g_strcmp0(pspec->name, "uri") == 0) {
601
if(auto main_window = dynamic_cast<PantheraWindow*>(page->get_root())) {
602
main_window->url_bar->set_text(webkit_web_view_get_uri(WEBKIT_WEB_VIEW(object)));
603
}
604
}
605
}
606
}
607
void PantheraWww::on_back_pressed(GtkGestureClick *gesture, int n_press, double x, double y, gpointer user_data) {
609
WebKitWebView *webview = WEBKIT_WEB_VIEW(user_data);
610
webkit_web_view_go_back(webview);
611
}
612
void PantheraWww::on_forward_pressed(GtkGestureClick *gesture, int n_press, double x, double y, gpointer user_data) {
614
WebKitWebView *webview = WEBKIT_WEB_VIEW(user_data);
615
webkit_web_view_go_forward(webview);
616
}
617
gboolean PantheraWww::on_decide_policy(WebKitWebView *source, WebKitPolicyDecision *decision, WebKitPolicyDecisionType type, gpointer user_data) {
619
if(auto self = static_cast<PantheraWww*>(user_data)) {
620
if(type == WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION) {
621
auto action = webkit_navigation_policy_decision_get_navigation_action(WEBKIT_NAVIGATION_POLICY_DECISION(decision));
622
Glib::ustring url = Glib::ustring(webkit_uri_request_get_uri(webkit_navigation_action_get_request(action)));
623
if(!starts_with(url, "about:") && url.find("://") == Glib::ustring::npos) {
624
// It is a special scheme (mailto:, tel: etc.)
625
try {
626
Gio::AppInfo::launch_default_for_uri(url);
627
} catch(const Glib::Error &exception) {
628
std::cerr << "Failed to launch special URI: " << exception.what() << std::endl;
629
}
630
webkit_policy_decision_ignore(decision);
631
return true;
632
}
633
if(webkit_navigation_action_get_mouse_button(action) == 2) {
634
// Middle-click opens in a new window
635
self->on_new_tab(nullptr, url, false);
636
webkit_policy_decision_ignore(decision);
637
return true;
638
}
639
} else if(type == WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION) {
640
auto action = webkit_navigation_policy_decision_get_navigation_action(WEBKIT_NAVIGATION_POLICY_DECISION(decision));
641
self->on_new_tab(nullptr, webkit_uri_request_get_uri(webkit_navigation_action_get_request(action)), false, true);
642
return true;
643
}
644
}
645
return false;
646
}
647
void PantheraWww::on_new_tab(gPanthera::ContentStack *stack, const Glib::ustring &url, bool focus, bool new_window) {
649
if(!stack) {
650
// Find the current area
651
stack = content_manager->get_last_operated_page()->get_stack();
652
}
653
Glib::ustring url_ = url;
654
if(url.empty()) {
655
url_ = new_tab_page;
656
}
657
WebKitWebView *webview = WEBKIT_WEB_VIEW(webkit_web_view_new());
659
gtk_widget_set_hexpand(GTK_WIDGET(webview), true);
660
gtk_widget_set_vexpand(GTK_WIDGET(webview), true);
661
auto page_content = Gtk::make_managed<Gtk::Box>();
662
gtk_box_append(page_content->gobj(), GTK_WIDGET(webview));
663
auto page_tab = new Gtk::Box();
664
page_tab->set_orientation(Gtk::Orientation::HORIZONTAL);
665
auto initial_icon = Gtk::make_managed<Gtk::Image>(Gio::Icon::create("image-loading-symbolic"));
666
page_tab->append(*initial_icon);
667
page_tab->append(*Gtk::make_managed<Gtk::Label>("Untitled"));
668
page_tab->set_spacing(4);
669
auto page = Gtk::make_managed<gPanthera::ContentPage>(content_manager, stack, page_content, page_tab);
670
g_signal_connect(webview, "notify", G_CALLBACK(notify_callback), this);
671
g_signal_connect(webview, "load-changed", G_CALLBACK(load_change_callback), this);
672
g_signal_connect(webview, "decide-policy", G_CALLBACK(on_decide_policy), this);
673
webkit_web_view_load_uri(webview, url_.data());
674
auto cookie_manager = webkit_network_session_get_cookie_manager(webkit_web_view_get_network_session(webview));
675
webkit_cookie_manager_set_persistent_storage(cookie_manager, cookie_file.c_str(), WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
676
webkit_cookie_manager_set_accept_policy(cookie_manager, WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS);
677
auto website_data_manager = webkit_network_session_get_website_data_manager(webkit_web_view_get_network_session(webview));
678
webkit_website_data_manager_set_favicons_enabled(website_data_manager, true);
679
GtkEventController *click_controller_back = GTK_EVENT_CONTROLLER(gtk_gesture_click_new());
680
gtk_gesture_single_set_button(GTK_GESTURE_SINGLE(click_controller_back), 8);
681
g_signal_connect(click_controller_back, "pressed", G_CALLBACK(on_back_pressed), webview);
682
gtk_widget_add_controller(GTK_WIDGET(webview), click_controller_back);
683
GtkEventController *click_controller_forward = GTK_EVENT_CONTROLLER(gtk_gesture_click_new());
685
gtk_gesture_single_set_button(GTK_GESTURE_SINGLE(click_controller_forward), 9);
686
g_signal_connect(click_controller_forward, "pressed", G_CALLBACK(on_forward_pressed), webview);
687
gtk_widget_add_controller(GTK_WIDGET(webview), click_controller_forward);
688
stack->add_page(*page);
690
if(focus) {
691
stack->set_visible_child(*page);
692
content_manager->set_last_operated_page(page);
693
}
694
if(new_window) {
695
bool result = stack->signal_detach.emit(page);
696
}
697
}
698
PantheraWindow *PantheraWww::make_window() {
700
Glib::RefPtr<Gtk::Application> self_ref = Glib::make_refptr_for_instance<Gtk::Application>(this);
701
auto window = new PantheraWindow(self_ref);
702
add_window(*window);
703
return window;
704
}
705
void PantheraWww::on_startup() {
707
Gtk::Application::on_startup();
708
// Get search engines
709
std::ifstream search_engines_file_in("search_engines.json");
710
if(search_engines_file_in) {
711
std::string search_engines_json((std::istreambuf_iterator<char>(search_engines_file_in)), std::istreambuf_iterator<char>());
712
search_engines_file_in.close();
713
set_search_engines_from_json(search_engines_json);
714
} else {
715
search_engines_file_in.close();
716
auto empty_json = nlohmann::json::array();
717
std::ofstream search_engines_file_out("search_engines.json");
718
search_engines_file_out << empty_json.dump(4);
719
}
720
// Load settings
721
new_tab_page = "about:blank";
722
std::ifstream settings_file_in("settings.json");
723
if(settings_file_in) {
724
std::string settings_json((std::istreambuf_iterator<char>(settings_file_in)), std::istreambuf_iterator<char>());
725
settings_file_in.close();
726
auto json = nlohmann::json::parse(settings_json);
727
if(json.contains("ntp")) {
728
new_tab_page = json["ntp"].get<std::string>();
729
}
730
} else {
731
settings_file_in.close();
732
auto empty_json = nlohmann::json::object();
733
empty_json["ntp"] = "about:blank";
734
std::ofstream settings_file_out("settings.json");
735
settings_file_out << empty_json.dump(4);
736
settings_file_out.close();
737
}
738
// Load plugins
740
std::ifstream plugin_file_in("plugins.json");
741
if(plugin_file_in) {
742
std::string plugin_json((std::istreambuf_iterator<char>(plugin_file_in)), std::istreambuf_iterator<char>());
743
plugin_file_in.close();
744
auto json = nlohmann::json::parse(plugin_json);
745
for(auto &plugin : json) {
746
auto plugin_path = plugin["path"].get<std::string>();
747
load_plugin(plugin_path);
748
}
749
} else {
750
plugin_file_in.close();
751
auto empty_json = nlohmann::json::array();
752
std::ofstream plugin_file_out("plugins.json");
753
plugin_file_out << empty_json.dump(4);
754
plugin_file_out.close();
755
}
756
// Known bug <https://gitlab.gnome.org/GNOME/epiphany/-/issues/2714>:
758
// JS can't veto the application's accelerators using `preventDefault()`. This is
759
// not possible in WebKitGTK, or at least I can't find a way to do it.
760
main_menu = Gio::Menu::create();
762
// File
763
auto file_menu = Gio::Menu::create();
764
// New tab
765
auto new_tab_action = Gio::SimpleAction::create("new_tab");
766
new_tab_action->signal_activate().connect([this](const Glib::VariantBase&) {
767
on_new_tab(nullptr);
768
});
769
add_action(new_tab_action);
770
set_accels_for_action("app.new_tab", {"<Primary>T"});
771
file_menu->append("New tab", "app.new_tab");
772
// Close tab
773
auto close_tab_action = Gio::SimpleAction::create("close_tab");
774
close_tab_action->signal_activate().connect([this](const Glib::VariantBase&) {
775
auto page = content_manager->get_last_operated_page();
776
if(page) {
777
page->close();
778
}
779
});
780
add_action(close_tab_action);
781
set_accels_for_action("app.close_tab", {"<Primary>W"});
782
file_menu->append("Close tab", "app.close_tab");
783
main_menu->append_submenu("File", file_menu);
784
set_menubar(main_menu);
785
}
786
void PantheraWww::on_activate() {
788
auto window = make_window();
789
window->present();
790
}
791
void PantheraWww::set_search_engines_from_json(const std::string &json_string) {
793
auto json = nlohmann::json::parse(json_string);
794
Glib::ustring default_search_engine_name;
795
for(auto &engine : json) {
796
SearchEngine search_engine;
797
search_engine.name = engine["name"].get<std::string>();
798
search_engine.url = engine["url"].get<std::string>();
799
search_engines.push_back(search_engine);
800
if(engine.contains("default") && engine["default"].get<bool>()) {
801
default_search_engine_name = engine["name"].get<std::string>();
802
}
803
}
804
for(auto &search_engine : search_engines) {
805
if(search_engine.name == default_search_engine_name) {
806
default_search_engine = &search_engine;
807
break;
808
}
809
}
810
}
811
PantheraWww::PantheraWww() : Gtk::Application("com.roundabout_host.roundabout.panthera_www", Gio::Application::Flags::NONE) {
813
}
814
Glib::RefPtr<PantheraWww> PantheraWww::create() {
816
return Glib::make_refptr_for_instance<PantheraWww>(new PantheraWww());
817
}
818
void PantheraWww::load_plugin(const std::string &plugin_path) {
820
void *handle = dlopen(plugin_path.c_str(), RTLD_LAZY | RTLD_GLOBAL);
821
if(!handle) {
822
std::cerr << "Failed to load plugin: " << dlerror() << std::endl;
823
return;
824
}
825
auto entrypoint = (plugin_entrypoint_type)dlsym(handle, "plugin_init");
826
if(!entrypoint) {
827
std::cerr << "Failed to find entrypoint in plugin: " << dlerror() << std::endl;
828
dlclose(handle);
829
return;
830
}
831
entrypoint();
832
}
833
Glib::RefPtr<PantheraWww> app = nullptr;
835
extern "C" {
837
void panthera_log(const char *message) {
838
std::cerr << message << std::endl;
839
}
840
void panthera_add_pane(const char *id, const char *label, GtkImage *icon, GtkWidget *pane) {
842
auto pane_child = Glib::wrap(pane);
843
auto icon_cc = Glib::wrap(icon);
844
auto label_cc = Glib::ustring(label);
845
auto id_cc = Glib::ustring(id);
846
//auto new_pane = Gtk::make_managed<gPanthera::DockablePane>(app->get_layout_manager(), *pane_child, id_cc, label_cc, icon_cc);
847
// TODO: Port to multi-window
848
//app->get_layout_manager()->add_pane(new_pane);
849
}
850
}
851
int main(int argc, char *argv[]) {
853
gPanthera::init();
854
app = PantheraWww::create();
855
return app->run(argc, argv);
856
}
857