Mercurial > libervia-desktop-kivy

annotate cagou/core/platform_/base.py @ 448:20a807443c3f

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chat: resize attachments (images only for now): if attachments to send contain oversized image, a checkbox will be shown (activated by default) to reduce automatically the size. The background color now cover the whole attachments to send widget. If not already specified, media type is guessed from filename when adding an attachment.
author Goffi <goffi@goffi.org>
date Sun, 22 Mar 2020 14:10:59 +0100
parents ddca5a837029
children 2cfb9f7a6b62
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env python3
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2
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3 # Cagou: desktop/mobile frontend for Salut à Toi XMPP client
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4 # Copyright (C) 2016-2020 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
408
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19 import sys
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20 import webbrowser
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21 import subprocess
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22 import shutil
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23 from urllib import parse
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24 from kivy.config import Config as KivyConfig
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25 from sat.core.i18n import _
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26 from sat.core.log import getLogger
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27 from sat.core import exceptions
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28 from sat_frontends.quick_frontend.quick_widgets import QuickWidget
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29 from cagou import G
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30
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31
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32 log = getLogger(__name__)
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33
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34
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35 class Platform:
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36 """Base class to handle platform specific behaviours"""
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37 # set to True to always show the send button in chat
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38 send_button_visible = False
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39
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40 def init_platform(self):
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41 # we don't want multi-touch emulation with mouse
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42
357
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43 # this option doesn't make sense on Android and cause troubles, so we only
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44 # activate it for other platforms (cf. https://github.com/kivy/kivy/issues/6229)
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45 KivyConfig.set('input', 'mouse', 'mouse,disable_multitouch')
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46
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47 def on_app_build(self, Wid):
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48 pass
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49
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50 def on_host_init(self, host):
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51 pass
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52
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53 def on_initFrontendState(self):
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54 pass
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55
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56 def do_postInit(self):
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57 return True
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58
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59 def on_pause(self):
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60 pass
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61
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62 def on_resume(self):
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63 pass
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64
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65 def on_stop(self):
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66 pass
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67
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68 def on_key_back_root(self):
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69 """Back key is called while being on root widget"""
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70 return True
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71
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72 def on_key_back_share(self, share_widget):
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73 """Back key is called while being on share widget"""
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74 share_widget.close()
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75 return True
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76
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77 def _on_new_window(self):
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78 """Launch a new instance of Cagou to have an extra window"""
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79 subprocess.Popen(sys.argv)
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80
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81 def on_extra_menu_init(self, extra_menu):
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82 extra_menu.addItem(_('new window'), self._on_new_window)
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83
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84 def updateParamsExtra(self, extra):
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85 pass
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86
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87 def check_plugin_permissions(self, plug_info, callback, errback):
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88 """Check that plugin permissions for this platform are granted"""
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89 callback()
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90
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91 def _open(self, path):
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92 """Open url or path with appropriate application if possible"""
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93 try:
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94 opener = self._opener
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95 except AttributeError:
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96 xdg_open_path = shutil.which("xdg-open")
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97 if xdg_open_path is not None:
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98 log.debug("xdg-open found, it will be used to open files")
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99 opener = lambda path: subprocess.Popen([xdg_open_path, path])
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100 else:
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101 log.debug("files will be opened with webbrower.open")
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102 opener = webbrowser.open
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103 self._opener = opener
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104
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105 opener(path)
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106
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107
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108 def open_url(self, url, wid=None):
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109 """Open an URL in the way appropriate for the platform
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110
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111 @param url(str): URL to open
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112 @param wid(CagouWidget, None): widget requesting the opening
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113 it may influence the way the URL is opened
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114 """
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115 parsed_url = parse.urlparse(url)
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116 if parsed_url.scheme == "aesgcm" and wid is not None:
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117 # aesgcm files need to be decrypted first
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118 # so we download them before opening
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119 quick_widget = G.host.getAncestorWidget(wid, QuickWidget)
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120 if quick_widget is None:
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121 msg = f"Can't find ancestor QuickWidget of {wid}"
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122 log.error(msg)
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123 G.host.errback(exceptions.InternalError(msg))
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124 return
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125 G.host.downloadURL(
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126 parsed_url, self._open, G.host.errback, profile=quick_widget.profile
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127 )
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128 else:
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129 self._open(url)