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serenity/Applications/Browser/main.cpp
Emanuel Sprung 337ade9e4c Browser: Add bookmarks bar
This patchset adds a bookmark bar that is backed by a json file backend.
The json file is loaded and checked for the format. According to the
format, the bookmarks bar is populated with the bookmark items.

If the bookmarks do not fit into one line, an expader button is shown
that brings up a menu containing the missing bookmark items.

There is currently no way to add or remove bookmarks. A hover over a
bookmark is also not yet showing the url in the statusbar.
2020-03-27 14:12:18 +01:00

282 lines
10 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "BookmarksBarWidget.h"
#include "History.h"
#include "InspectorWidget.h"
#include <LibCore/File.h>
#include <LibGUI/AboutDialog.h>
#include <LibGUI/Action.h>
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Menu.h>
#include <LibGUI/MenuBar.h>
#include <LibGUI/StatusBar.h>
#include <LibGUI/TextBox.h>
#include <LibGUI/ToolBar.h>
#include <LibGUI/Window.h>
#include <LibWeb/CSS/StyleResolver.h>
#include <LibWeb/DOM/Element.h>
#include <LibWeb/DOMTreeModel.h>
#include <LibWeb/Dump.h>
#include <LibWeb/HtmlView.h>
#include <LibWeb/Layout/LayoutBlock.h>
#include <LibWeb/Layout/LayoutDocument.h>
#include <LibWeb/Layout/LayoutInline.h>
#include <LibWeb/Layout/LayoutNode.h>
#include <LibWeb/Parser/CSSParser.h>
#include <LibWeb/Parser/HTMLParser.h>
#include <LibWeb/ResourceLoader.h>
#include <stdio.h>
#include <stdlib.h>
static const char* home_url = "file:///home/anon/www/welcome.html";
static const char* bookmarks_filename = "/home/anon/bookmarks.json";
int main(int argc, char** argv)
{
if (pledge("stdio shared_buffer accept unix cpath rpath fattr", nullptr) < 0) {
perror("pledge");
return 1;
}
GUI::Application app(argc, argv);
// Connect to the ProtocolServer immediately so we can drop the "unix" pledge.
Web::ResourceLoader::the();
if (pledge("stdio shared_buffer accept rpath", nullptr) < 0) {
perror("pledge");
return 1;
}
auto window = GUI::Window::construct();
window->set_rect(100, 100, 640, 480);
auto& widget = window->set_main_widget<GUI::Widget>();
widget.set_fill_with_background_color(true);
widget.set_layout<GUI::VerticalBoxLayout>();
widget.layout()->set_spacing(0);
bool bookmarksbar_enabled = true;
auto& toolbar = widget.add<GUI::ToolBar>();
auto& bookmarksbar = widget.add<BookmarksBarWidget>(bookmarks_filename, bookmarksbar_enabled);
auto& html_widget = widget.add<Web::HtmlView>();
bookmarksbar.on_bookmark_click = [&](auto&, auto& url) {
html_widget.load(url);
};
History<URL> history;
RefPtr<GUI::Action> go_back_action;
RefPtr<GUI::Action> go_forward_action;
auto update_actions = [&]() {
go_back_action->set_enabled(history.can_go_back());
go_forward_action->set_enabled(history.can_go_forward());
};
bool should_push_loads_to_history = true;
go_back_action = GUI::CommonActions::make_go_back_action([&](auto&) {
history.go_back();
update_actions();
TemporaryChange<bool> change(should_push_loads_to_history, false);
html_widget.load(history.current());
});
go_forward_action = GUI::CommonActions::make_go_forward_action([&](auto&) {
history.go_forward();
update_actions();
TemporaryChange<bool> change(should_push_loads_to_history, false);
html_widget.load(history.current());
});
toolbar.add_action(*go_back_action);
toolbar.add_action(*go_forward_action);
toolbar.add_action(GUI::CommonActions::make_go_home_action([&](auto&) {
html_widget.load(home_url);
}));
toolbar.add_action(GUI::CommonActions::make_reload_action([&](auto&) {
TemporaryChange<bool> change(should_push_loads_to_history, false);
html_widget.reload();
}));
auto& location_box = toolbar.add<GUI::TextBox>();
location_box.on_return_pressed = [&] {
html_widget.load(location_box.text());
};
html_widget.on_load_start = [&](auto& url) {
location_box.set_text(url.to_string());
if (should_push_loads_to_history)
history.push(url);
update_actions();
};
html_widget.on_link_click = [&](auto& url) {
if (url.starts_with("#")) {
html_widget.scroll_to_anchor(url.substring_view(1, url.length() - 1));
} else {
html_widget.load(html_widget.document()->complete_url(url));
}
};
html_widget.on_title_change = [&](auto& title) {
window->set_title(String::format("%s - Browser", title.characters()));
};
auto focus_location_box_action = GUI::Action::create("Focus location box", { Mod_Ctrl, Key_L }, [&](auto&) {
location_box.select_all();
location_box.set_focus(true);
});
auto& statusbar = widget.add<GUI::StatusBar>();
html_widget.on_link_hover = [&](auto& href) {
statusbar.set_text(href);
};
bookmarksbar.on_bookmark_hover = [&](auto&, auto& url) {
statusbar.set_text(url);
};
Web::ResourceLoader::the().on_load_counter_change = [&] {
if (Web::ResourceLoader::the().pending_loads() == 0) {
statusbar.set_text("");
return;
}
statusbar.set_text(String::format("Loading (%d pending resources...)", Web::ResourceLoader::the().pending_loads()));
};
auto menubar = make<GUI::MenuBar>();
auto app_menu = GUI::Menu::construct("Browser");
app_menu->add_action(GUI::CommonActions::make_quit_action([&](auto&) {
app.quit();
}));
menubar->add_menu(move(app_menu));
RefPtr<GUI::Window> dom_inspector_window;
auto inspect_menu = GUI::Menu::construct("Inspect");
inspect_menu->add_action(GUI::Action::create("View source", { Mod_Ctrl, Key_U }, [&](auto&) {
String filename_to_open;
char tmp_filename[] = "/tmp/view-source.XXXXXX";
ASSERT(html_widget.document());
if (html_widget.document()->url().protocol() == "file") {
filename_to_open = html_widget.document()->url().path();
} else {
int fd = mkstemp(tmp_filename);
ASSERT(fd >= 0);
auto source = html_widget.document()->source();
write(fd, source.characters(), source.length());
close(fd);
filename_to_open = tmp_filename;
}
if (fork() == 0) {
execl("/bin/TextEditor", "TextEditor", filename_to_open.characters(), nullptr);
ASSERT_NOT_REACHED();
}
}));
inspect_menu->add_action(GUI::Action::create("Inspect DOM tree", { Mod_None, Key_F12 }, [&](auto&) {
if (!dom_inspector_window) {
dom_inspector_window = GUI::Window::construct();
dom_inspector_window->set_rect(100, 100, 300, 500);
dom_inspector_window->set_title("DOM inspector");
dom_inspector_window->set_main_widget<InspectorWidget>();
}
auto* inspector_widget = static_cast<InspectorWidget*>(dom_inspector_window->main_widget());
inspector_widget->set_document(html_widget.document());
dom_inspector_window->show();
dom_inspector_window->move_to_front();
}));
menubar->add_menu(move(inspect_menu));
auto debug_menu = GUI::Menu::construct("Debug");
debug_menu->add_action(GUI::Action::create("Dump DOM tree", [&](auto&) {
dump_tree(*html_widget.document());
}));
debug_menu->add_action(GUI::Action::create("Dump Layout tree", [&](auto&) {
dump_tree(*html_widget.document()->layout_node());
}));
debug_menu->add_action(GUI::Action::create("Dump Style sheets", [&](auto&) {
for (auto& sheet : html_widget.document()->stylesheets()) {
dump_sheet(sheet);
}
}));
debug_menu->add_separator();
auto line_box_borders_action = GUI::Action::create("Line box borders", [&](auto& action) {
action.set_checked(!action.is_checked());
html_widget.set_should_show_line_box_borders(action.is_checked());
html_widget.update();
});
line_box_borders_action->set_checkable(true);
line_box_borders_action->set_checked(false);
debug_menu->add_action(line_box_borders_action);
menubar->add_menu(move(debug_menu));
auto bookmarks_menu = GUI::Menu::construct("Bookmarks");
auto show_bookmarksbar_action = GUI::Action::create("Show bookmarks bar", [&](auto& action) {
action.set_checked(!action.is_checked());
bookmarksbar.set_visible(action.is_checked());
bookmarksbar.update();
});
show_bookmarksbar_action->set_checkable(true);
show_bookmarksbar_action->set_checked(bookmarksbar_enabled);
bookmarks_menu->add_action(show_bookmarksbar_action);
menubar->add_menu(move(bookmarks_menu));
auto help_menu = GUI::Menu::construct("Help");
help_menu->add_action(GUI::Action::create("About", [&](const GUI::Action&) {
GUI::AboutDialog::show("Browser", Gfx::Bitmap::load_from_file("/res/icons/32x32/filetype-html.png"), window);
}));
menubar->add_menu(move(help_menu));
app.set_menubar(move(menubar));
window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/filetype-html.png"));
window->set_title("Browser");
window->show();
URL url_to_load = home_url;
if (app.args().size() >= 1) {
url_to_load = URL();
url_to_load.set_protocol("file");
url_to_load.set_path(app.args()[0]);
}
html_widget.load(url_to_load);
return app.exec();
}