dangerzone/dangerzone/tasks_widget.py
2020-10-26 14:52:45 -07:00

128 lines
4.4 KiB
Python

import shutil
import tempfile
import os
import platform
import subprocess
from PySide2 import QtCore, QtGui, QtWidgets
from .tasks import PullImageTask, ConvertToPixels, ConvertToPDF
class TasksWidget(QtWidgets.QWidget):
close_window = QtCore.Signal()
def __init__(self, global_common, common):
super(TasksWidget, self).__init__()
self.global_common = global_common
self.common = common
# Dangerous document label
self.dangerous_doc_label = QtWidgets.QLabel()
self.dangerous_doc_label.setAlignment(QtCore.Qt.AlignCenter)
self.dangerous_doc_label.setStyleSheet(
"QLabel { font-size: 16px; font-weight: bold; color: #572606; }"
)
self.task_label = QtWidgets.QLabel()
self.task_label.setAlignment(QtCore.Qt.AlignCenter)
self.task_label.setStyleSheet("QLabel { font-weight: bold; font-size: 20px; }")
self.task_details = QtWidgets.QLabel()
self.task_details.setStyleSheet(
"QLabel { background-color: #ffffff; font-size: 12px; padding: 10px; }"
)
self.task_details.setFont(self.global_common.fixed_font)
self.task_details.setAlignment(QtCore.Qt.AlignTop)
self.details_scrollarea = QtWidgets.QScrollArea()
self.details_scrollarea.setWidgetResizable(True)
self.details_scrollarea.setWidget(self.task_details)
self.details_scrollarea.verticalScrollBar().rangeChanged.connect(
self.scroll_to_bottom
)
# Layout
layout = QtWidgets.QVBoxLayout()
layout.addWidget(self.dangerous_doc_label)
layout.addSpacing(20)
layout.addWidget(self.task_label)
layout.addWidget(self.details_scrollarea)
self.setLayout(layout)
self.tasks = []
def document_selected(self):
# Update the danger doc label
self.dangerous_doc_label.setText(
f"Dangerous: {os.path.basename(self.common.document_filename)}"
)
def start(self):
if self.global_common.settings.get("update_container"):
self.tasks += [PullImageTask]
self.tasks += [ConvertToPixels, ConvertToPDF]
self.next_task()
def next_task(self):
if len(self.tasks) == 0:
self.all_done()
return
self.task_details.setText("")
self.current_task = self.tasks.pop(0)(self.global_common, self.common)
self.current_task.update_label.connect(self.update_label)
self.current_task.update_details.connect(self.update_details)
self.current_task.task_finished.connect(self.next_task)
self.current_task.task_failed.connect(self.task_failed)
self.current_task.start()
def update_label(self, s):
self.task_label.setText(s)
def update_details(self, s):
self.task_details.setText(s)
def task_failed(self, err):
self.task_label.setText("Failed :(")
self.task_details.setWordWrap(True)
text = self.task_details.text()
self.task_details.setText(
f"{text}\n\n--\n\nDirectory with pixel data: {self.common.pixel_dir.name}\n\n{err}"
)
def all_done(self):
# Save safe PDF
source_filename = f"{self.common.safe_dir.name}/safe-output-compressed.pdf"
if self.global_common.settings.get("save"):
dest_filename = self.common.save_filename
else:
# If not saving, then save it to a temp file instead
tmp = tempfile.mkstemp(suffix=".pdf", prefix="dangerzone_")
dest_filename = tmp[1]
shutil.move(source_filename, dest_filename)
# In Windows, open Explorer with the safe PDF in focus
if platform.system() == "Windows":
dest_filename_windows = dest_filename.replace("/", "\\")
subprocess.Popen(
f'explorer.exe /select,"{dest_filename_windows}"', shell=True
)
# Open
if self.global_common.settings.get("open"):
self.global_common.open_pdf_viewer(dest_filename)
# Clean up
self.common.pixel_dir.cleanup()
self.common.safe_dir.cleanup()
# Quit
if platform.system() == "Darwin":
# In macOS, just close the window
self.close_window.emit()
else:
self.global_common.app.quit()
def scroll_to_bottom(self, minimum, maximum):
self.details_scrollarea.verticalScrollBar().setValue(maximum)