view cagou/core/share_widget.py @ 439:12d188cb1206

core: use of new profileConnected method: bookmarks cache is now retrieved in profileConnected, as getting it in ProfilePlugged could result in an exception is client was not fully connected (if plugins were not all initialised).
author Goffi <goffi@goffi.org>
date Sat, 07 Mar 2020 00:05:49 +0100
parents 415de998b91d
children 3c9ba4a694ef
line wrap: on
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#!/usr/bin/env python3

# Cagou: desktop/mobile frontend for Salut à Toi XMPP client
# Copyright (C) 2016-2020 Jérôme Poisson (goffi@goffi.org)

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.


from pathlib import Path
from functools import partial
from sat.core import log as logging
from sat.core.i18n import _
from sat.tools.common import data_format
from sat_frontends.tools import jid
from kivy.uix.boxlayout import BoxLayout
from kivy.properties import StringProperty, DictProperty, ObjectProperty
from kivy.metrics import dp
from .constants import Const as C
from cagou import G


log = logging.getLogger(__name__)


PLUGIN_INFO = {
    "name": _("share"),
    "main": "Share",
    "description": _("share a file"),
    "icon_symbol": "share",
}


class TextPreview(BoxLayout):
    """Widget previewing shared text"""
    text = StringProperty()


class ImagePreview(BoxLayout):
    """Widget previewing shared image"""
    path = StringProperty()
    reduce_layout = ObjectProperty()
    reduce_checkbox = ObjectProperty()

    def _checkImageCb(self, report_raw):
        self.report = data_format.deserialise(report_raw)
        if self.report['too_large']:
            self.reduce_layout.opacity = 1
            self.reduce_layout.height = self.reduce_layout.minimum_height + dp(10)
            self.reduce_layout.padding = [0, dp(5)]

    def _checkImageEb(self, failure_):
        log.error(f"Can't check image: {failure_}")

    def on_path(self, wid, path):
        G.host.bridge.imageCheck(
            path, callback=self._checkImageCb, errback=self._checkImageEb)

    def resizeImage(self, data, callback, errback):

        def imageResizeCb(new_path):
            new_path = Path(new_path)
            log.debug(f"image {data['path']} resized at {new_path}")
            data['path'] = new_path
            data['cleaning_cb'] = lambda: new_path.unlink()
            callback(data)

        path = data['path']
        width, height = self.report['recommended_size']
        G.host.bridge.imageResize(
            path, width, height,
            callback=imageResizeCb,
            errback=errback
        )

    def getFilter(self):
        if self.report['too_large'] and self.reduce_checkbox.active:
            return self.resizeImage
        else:
            return lambda data, callback, errback: callback(data)


class GenericPreview(BoxLayout):
    """Widget previewing shared image"""
    path = StringProperty()


class ShareWidget(BoxLayout):
    media_type = StringProperty()
    data = DictProperty()
    preview_box = ObjectProperty()

    def on_kv_post(self, wid):
        self.type, self.subtype = self.media_type.split('/')
        if self.type == 'text' and 'text' in self.data:
            self.preview_box.add_widget(TextPreview(text=self.data['text']))
        elif self.type == 'image':
            self.preview_box.add_widget(ImagePreview(path=self.data['path']))
        else:
            self.preview_box.add_widget(GenericPreview(path=self.data['path']))

    def close(self):
        G.host.closeUI()

    def getFilteredData(self, callback, errback):
        """Apply filter if suitable, and call callback with with modified data"""
        try:
            getFilter = self.preview_box.children[0].getFilter
        except AttributeError:
            callback(self.data)
        else:
            filter_ = getFilter()
            filter_(self.data, callback=callback, errback=errback)

    def filterDataCb(self, data, contact_jid, profile):
        chat_wid = G.host.doAction('chat', contact_jid, [profile])

        if self.type == 'text' and 'text' in self.data:
            text = self.data['text']
            chat_wid.message_input.text += text
        else:
            path = self.data['path']
            chat_wid.transferFile(path, cleaning_cb=data.get('cleaning_cb'))
        self.close()

    def filterDataEb(self, failure_):
        G.host.addNote(
            _("file filter error"),
            _("Can't apply filter to file: {msg}").format(msg=failure_),
            level=C.XMLUI_DATA_LVL_ERROR)

    def on_select(self, contact_button):
        contact_jid = jid.JID(contact_button.jid)
        self.getFilteredData(
            partial(
                self.filterDataCb,
                contact_jid=contact_jid,
                profile=contact_button.profile),
            self.filterDataEb
        )

    def key_input(self, window, key, scancode, codepoint, modifier):
        if key == 27:
            return G.local_platform.on_key_back_share(self)