annotate cagou/core/cagou_widget.py @ 397:54f6a47cc60a

core (common): added a notifications counter on ContactButton and use it in JidSelector: A notifications counter is drawned above avatar if `nofifs` key is present and not empty in `data`. This is used in JidSelector to show counter when necessary with opened chats.
author Goffi <goffi@goffi.org>
date Sun, 09 Feb 2020 23:47:29 +0100
parents d61bbbac4160
children 84ff5c917064
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1 #!/usr/bin/env python3
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2
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3
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4 # Cagou: desktop/mobile frontend for Salut à Toi XMPP client
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5 # Copyright (C) 2016-2020 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20
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21 from sat.core import log as logging
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22 from sat.core import exceptions
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23 from kivy.uix.behaviors import ButtonBehavior
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24 from kivy.uix.boxlayout import BoxLayout
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25 from kivy.uix.dropdown import DropDown
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26 from kivy.uix.screenmanager import Screen
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27 from kivy.uix.textinput import TextInput
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28 from kivy import properties
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29 from cagou import G
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30 from .common import ActionIcon
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31 from . import menu
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34 log = logging.getLogger(__name__)
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36
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37 class HeaderChoice(ButtonBehavior, BoxLayout):
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38 pass
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40
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41 class HeaderChoiceWidget(HeaderChoice):
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42 cagou_widget = properties.ObjectProperty()
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43 plugin_info = properties.ObjectProperty()
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45 def __init__(self, **kwargs):
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46 super().__init__(**kwargs)
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47 self.bind(on_release=lambda btn: self.cagou_widget.switchWidget(
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48 self.plugin_info))
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49
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50
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51 class HeaderChoiceExtraMenu(HeaderChoice):
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52 pass
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54
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55 class HeaderWidgetCurrent(ButtonBehavior, ActionIcon):
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56 pass
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58
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59 class HeaderWidgetSelector(DropDown):
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61 def __init__(self, cagou_widget):
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62 super(HeaderWidgetSelector, self).__init__()
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63 plg_info_cls = cagou_widget.plugin_info_class or cagou_widget.__class__
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64 for plugin_info in G.host.getPluggedWidgets(except_cls=plg_info_cls):
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65 choice = HeaderChoiceWidget(
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66 cagou_widget=cagou_widget,
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67 plugin_info=plugin_info,
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68 )
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69 self.add_widget(choice)
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70 main_menu = HeaderChoiceExtraMenu(on_press=self.on_extra_menu)
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71 self.add_widget(main_menu)
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72
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73 def add_widget(self, *args):
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74 widget = args[0]
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75 widget.bind(minimum_width=self.set_width)
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76 return super(HeaderWidgetSelector, self).add_widget(*args)
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77
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78 def set_width(self, choice, minimum_width):
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79 self.width = max([c.minimum_width for c in self.container.children])
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80
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81 def on_extra_menu(self, *args):
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82 self.dismiss()
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83 menu.ExtraSideMenu().show()
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84
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85
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86 class CagouWidget(BoxLayout):
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87 main_container = properties.ObjectProperty(None)
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88 header_input = properties.ObjectProperty(None)
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89 header_box = properties.ObjectProperty(None)
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90 use_header_input = False
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91 # set to True if you want to be able to switch between visible widgets of this
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92 # class using a carousel
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93 collection_carousel = False
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94 # set to True if you a global ScreenManager global to all widgets of this class.
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95 # The screen manager is created in WHWrapper
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96 global_screen_manager = False
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97 # override this if a specific class (i.e. not self.__class__) must be used for
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98 # plugin info. Useful when a CagouWidget is used with global_screen_manager.
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99 plugin_info_class = None
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100
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101 def __init__(self, **kwargs):
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102 plg_info_cls = self.plugin_info_class or self.__class__
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103 for p in G.host.getPluggedWidgets():
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104 if p['main'] == plg_info_cls:
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105 self.plugin_info = p
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106 break
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107 super().__init__(**kwargs)
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108 self.selector = HeaderWidgetSelector(self)
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109 if self.use_header_input:
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110 self.header_input = TextInput(
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111 background_normal=G.host.app.expand(
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112 '{media}/misc/borders/border_hollow_light.png'),
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113 multiline=False,
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114 )
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115 self.header_input.bind(
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116 on_text_validate=lambda *args: self.onHeaderInput(),
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117 text=self.onHeaderInputComplete,
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118 )
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119 self.header_box.add_widget(self.header_input)
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120
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121 @property
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122 def screen_manager(self):
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123 if ((not self.global_screen_manager
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124 and not (self.plugin_info_class is not None
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125 and self.plugin_info_class.global_screen_manager))):
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126 raise exceptions.InternalError(
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127 "screen_manager property can't be used if global_screen_manager is not "
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128 "set")
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129 screen = self.getAncestor(Screen)
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130 if screen is None:
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131 raise exceptions.NotFound("Can't find parent Screen")
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132 if screen.manager is None:
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133 raise exceptions.NotFound("Can't find parent ScreenManager")
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134 return screen.manager
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135
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136 @property
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137 def whwrapper(self):
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138 """Retrieve parent widget handler"""
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139 return G.host.getParentWHWrapper(self)
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140
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141 def screenManagerInit(self, screen_manager):
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142 """Override this method to do init when ScreenManager is instantiated
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143
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144 This is only called once even if collection_carousel is used.
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145 """
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146 if not self.global_screen_manager:
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147 raise exceptions.InternalError("screenManagerInit should not be called")
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148
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149 def getAncestor(self, cls):
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150 """Helper method to use host.getAncestorWidget with self"""
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151 return G.host.getAncestorWidget(self, cls)
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152
14
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153 def switchWidget(self, plugin_info):
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154 self.selector.dismiss()
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155 factory = plugin_info["factory"]
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156 new_widget = factory(plugin_info, None, iter(G.host.profiles))
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157 G.host.switchWidget(self, new_widget)
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158
357
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159 def key_input(self, window, key, scancode, codepoint, modifier):
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160 if key == 27:
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161 # we go back to root screen
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162 G.host.switchWidget(self)
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163 return True
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164
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165 def onHeaderInput(self):
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166 log.info("header input text entered")
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167
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168 def onHeaderInputComplete(self, wid, text):
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169 return
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170
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171 def on_touch_down(self, touch):
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172 if self.collide_point(*touch.pos):
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173 G.host.selected_widget = self
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174 return super(CagouWidget, self).on_touch_down(touch)
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175
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176 def headerInputAddExtra(self, widget):
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177 """add a widget on the right of header input"""
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178 self.header_box.add_widget(widget)
264
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179
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180 def onVisible(self):
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181 pass
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182 # log.debug(u"{self} is visible".format(self=self))
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183
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184 def onNotVisible(self):
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185 pass
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186 # log.debug(u"{self} is not visible anymore".format(self=self))