#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# Copyright (C) 2018 Andy Stewart
#
# Author:     Andy Stewart <lazycat.manatee@gmail.com>
# Maintainer: Andy Stewart <lazycat.manatee@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from PyQt5 import QtCore
from core.browser import BrowserView, webview_scroll
from core.buffer import Buffer

class BrowserBuffer(Buffer):

    def __init__(self, buffer_id, url, fit_to_view, background_color):
        Buffer.__init__(self, buffer_id, url, fit_to_view, background_color)

        self.add_widget(BrowserView())

        self.buffer_widget.loadStarted.connect(self.start_progress)
        self.buffer_widget.loadProgress.connect(self.update_progress)
        self.buffer_widget.loadFinished.connect(self.stop_progress)

    def get_key_event_widgets(self):
        # We need send key event to QWebEngineView's focusProxy widget, not QWebEngineView.
        return [self.buffer_widget.focusProxy()]

    def scroll(self, scroll_direction, scroll_type):
        webview_scroll(self, scroll_direction, scroll_type)

    def send_keystroke(self, keystroke):
        if keystroke == "M-f":
            self.buffer_widget.forward()
        elif keystroke == "M-b":
            self.buffer_widget.back()