Mercurial > libervia-desktop-kivy

annotate cagou/core/share_widget.py @ 425:13884aac1220

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chat: show images in attachments: - if an image is received from somebody in roster, it is automatically displayed (we display only for people in roster to avoid IP address leak) - encrypted files are decrypted and stored in cache before being displayed - GIFs image are shown as attachment because they are badly handle in Kivy (images frequencies is not handled correctly, and memory consumption explode). Instead, a click on it will open the GIF in the appropriate software of the platform. - a click on an attachment image will open it in the gallery
author Goffi <goffi@goffi.org>
date Wed, 26 Feb 2020 16:47:39 +0100
parents 415de998b91d
children 3c9ba4a694ef
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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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4d660b252487 dates update
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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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19
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20 from pathlib import Path
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21 from functools import partial
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22 from sat.core import log as logging
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23 from sat.core.i18n import _
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24 from sat.tools.common import data_format
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25 from sat_frontends.tools import jid
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26 from kivy.uix.boxlayout import BoxLayout
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27 from kivy.properties import StringProperty, DictProperty, ObjectProperty
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28 from kivy.metrics import dp
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29 from .constants import Const as C
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30 from cagou import G
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31
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32
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33 log = logging.getLogger(__name__)
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35
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36 PLUGIN_INFO = {
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37 "name": _("share"),
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38 "main": "Share",
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39 "description": _("share a file"),
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40 "icon_symbol": "share",
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41 }
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42
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43
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44 class TextPreview(BoxLayout):
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45 """Widget previewing shared text"""
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46 text = StringProperty()
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48
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49 class ImagePreview(BoxLayout):
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50 """Widget previewing shared image"""
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51 path = StringProperty()
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52 reduce_layout = ObjectProperty()
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53 reduce_checkbox = ObjectProperty()
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54
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55 def _checkImageCb(self, report_raw):
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56 self.report = data_format.deserialise(report_raw)
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57 if self.report['too_large']:
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58 self.reduce_layout.opacity = 1
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59 self.reduce_layout.height = self.reduce_layout.minimum_height + dp(10)
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60 self.reduce_layout.padding = [0, dp(5)]
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61
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62 def _checkImageEb(self, failure_):
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63 log.error(f"Can't check image: {failure_}")
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64
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65 def on_path(self, wid, path):
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66 G.host.bridge.imageCheck(
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67 path, callback=self._checkImageCb, errback=self._checkImageEb)
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68
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69 def resizeImage(self, data, callback, errback):
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70
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71 def imageResizeCb(new_path):
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72 new_path = Path(new_path)
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73 log.debug(f"image {data['path']} resized at {new_path}")
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74 data['path'] = new_path
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75 data['cleaning_cb'] = lambda: new_path.unlink()
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76 callback(data)
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77
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78 path = data['path']
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79 width, height = self.report['recommended_size']
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80 G.host.bridge.imageResize(
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81 path, width, height,
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82 callback=imageResizeCb,
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83 errback=errback
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84 )
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85
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86 def getFilter(self):
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87 if self.report['too_large'] and self.reduce_checkbox.active:
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88 return self.resizeImage
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89 else:
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90 return lambda data, callback, errback: callback(data)
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91
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92
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93 class GenericPreview(BoxLayout):
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94 """Widget previewing shared image"""
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95 path = StringProperty()
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96
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97
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98 class ShareWidget(BoxLayout):
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99 media_type = StringProperty()
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100 data = DictProperty()
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101 preview_box = ObjectProperty()
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102
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103 def on_kv_post(self, wid):
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104 self.type, self.subtype = self.media_type.split('/')
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105 if self.type == 'text' and 'text' in self.data:
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106 self.preview_box.add_widget(TextPreview(text=self.data['text']))
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107 elif self.type == 'image':
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108 self.preview_box.add_widget(ImagePreview(path=self.data['path']))
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109 else:
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110 self.preview_box.add_widget(GenericPreview(path=self.data['path']))
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111
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112 def close(self):
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113 G.host.closeUI()
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114
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115 def getFilteredData(self, callback, errback):
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116 """Apply filter if suitable, and call callback with with modified data"""
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117 try:
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118 getFilter = self.preview_box.children[0].getFilter
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119 except AttributeError:
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120 callback(self.data)
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121 else:
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122 filter_ = getFilter()
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123 filter_(self.data, callback=callback, errback=errback)
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124
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125 def filterDataCb(self, data, contact_jid, profile):
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126 chat_wid = G.host.doAction('chat', contact_jid, [profile])
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127
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128 if self.type == 'text' and 'text' in self.data:
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129 text = self.data['text']
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130 chat_wid.message_input.text += text
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131 else:
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132 path = self.data['path']
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133 chat_wid.transferFile(path, cleaning_cb=data.get('cleaning_cb'))
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134 self.close()
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135
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136 def filterDataEb(self, failure_):
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137 G.host.addNote(
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138 _("file filter error"),
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139 _("Can't apply filter to file: {msg}").format(msg=failure_),
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140 level=C.XMLUI_DATA_LVL_ERROR)
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141
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142 def on_select(self, contact_button):
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143 contact_jid = jid.JID(contact_button.jid)
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144 self.getFilteredData(
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145 partial(
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146 self.filterDataCb,
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147 contact_jid=contact_jid,
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148 profile=contact_button.profile),
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149 self.filterDataEb
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150 )
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151
336
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152 def key_input(self, window, key, scancode, codepoint, modifier):
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153 if key == 27:
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154 return G.local_platform.on_key_back_share(self)