Mercurial > libervia-desktop-kivy

annotate cagou/core/share_widget.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 415de998b91d
children 3c9ba4a694ef
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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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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47
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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:
357
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154 return G.local_platform.on_key_back_share(self)