#!/usr/bin/env python3 # -*- coding: utf-8 -*- # Copyright (C) 2018 Andy Stewart # # Author: Andy Stewart # Maintainer: Andy Stewart # # 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 . from core.browser import BrowserView from core.buffer import Buffer import os class BrowserBuffer(Buffer): def __init__(self, buffer_id, url, arguments, fit_to_view, background_color): Buffer.__init__(self, buffer_id, url, arguments, 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) self.buffer_widget.web_page.windowCloseRequested.connect(self.request_close_buffer) self.search_term = "" with open(os.path.join(os.path.dirname(__file__), "js", "get_markers.js"), "r") as f: self.get_markers_js = f.read() with open(os.path.join(os.path.dirname(__file__), "js", "goto_marker.js"), "r") as f: self.goto_marker_raw = f.read() 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): if scroll_type == "page": if scroll_direction == "up": self.scroll_up_page() else: self.scroll_down_page() else: if scroll_direction == "up": self.scroll_up() else: self.scroll_down() def _search_text(self, text, is_backward = False): if self.search_term != text: self.search_term = text if is_backward: self.buffer_widget.web_page.findText(self.search_term, self.buffer_widget.web_page.FindBackward) else: self.buffer_widget.web_page.findText(self.search_term) def handle_input_message(self, result_type, result_content): if result_type == "search_text_forward": self._search_text(str(result_content)) elif result_type == "search_text_backward": self._search_text(str(result_content), True) elif result_type == "jump_link": self.jump_to_link(str(result_content)) elif result_type == "jump_link_new_buffer": self.jump_to_link(str(result_content), "true") def cancel_input_message(self, result_type): if result_type == "jump_link" or result_type == "jump_link_new_buffer": self.cleanup_links() def search_text_forward(self): if self.search_term == "": self.send_input_message("Forward Search Text: ", "search_text_forward") else: self._search_text(self.search_term) def search_text_backward(self): if self.search_term == "": self.send_input_message("Backward Search Text: ", "search_text_backward") else: self._search_text(self.search_term, True) def eval_js(self, js): self.buffer_widget.web_page.runJavaScript(js) def history_backward(self): self.buffer_widget.back() def history_forward(self): self.buffer_widget.forward() def clean_all_cookie(self): self.buffer_widget.clean_cookie() self.message_to_emacs.emit("Cleared all cookies.") def action_quit(self): if self.search_term != "": self._search_text("") def zoom_out(self): self.buffer_widget.zoom_out() def zoom_in(self): self.buffer_widget.zoom_in() def zoom_reset(self): self.buffer_widget.zoom_reset() def scroll_left(self): self.eval_js("window.scrollBy(-50, 0)") def scroll_right(self): self.eval_js("window.scrollBy(50, 0)") def scroll_up(self): self.eval_js("window.scrollBy(0, 50)") def scroll_down(self): self.eval_js("window.scrollBy(0, -50)") def scroll_up_page(self): self.eval_js("window.scrollBy(0, document.documentElement.clientHeight)") def scroll_down_page(self): self.eval_js("window.scrollBy(0, -document.documentElement.clientHeight)") def scroll_to_begin(self): self.eval_js("window.scrollTo(0, 0)") def scroll_to_bottom(self): self.eval_js("window.scrollBy(0, document.body.scrollHeight)") def refresh_page(self): self.buffer_widget.reload() def copy_text(self): self.buffer_widget.triggerPageAction(self.buffer_widget.web_page.Copy) def yank_text(self): self.buffer_widget.triggerPageAction(self.buffer_widget.web_page.Paste) def kill_text(self): self.buffer_widget.triggerPageAction(self.buffer_widget.web_page.Cut) def undo_action(self): self.buffer_widget.triggerPageAction(self.buffer_widget.web_page.Undo) def redo_action(self): self.buffer_widget.triggerPageAction(self.buffer_widget.web_page.Redo) def get_url(self): return self.buffer_widget.web_page.executeJavaScript("window.location.href;") def open_link(self): self.eval_js(self.get_markers_js); self.send_input_message("Open Link: ", "jump_link"); def open_link_new_buffer(self): self.eval_js(self.get_markers_js); self.send_input_message("Open Link in New Buffer: ", "jump_link_new_buffer"); def jump_to_link(self, marker, new_buffer = "false"): self.goto_marker_js = self.goto_marker_raw.replace("%1", str(marker)).replace("%2", new_buffer); self.buffer_widget.web_page.executeJavaScript(self.goto_marker_js); self.cleanup_links() def cleanup_links(self): self.buffer_widget.web_page.executeJavaScript("document.querySelector('.markerContainer').remove();")