Sideband/sbapp/ui/messages.py

import time
import RNS
import LXMF

from kivy.metrics import dp,sp
from kivy.core.clipboard import Clipboard
from kivymd.uix.card import MDCard
from kivymd.uix.menu import MDDropdownMenu
# from kivymd.uix.behaviors import RoundedRectangularElevationBehavior, FakeRectangularElevationBehavior
from kivymd.uix.behaviors import CommonElevationBehavior
from kivy.properties import StringProperty, BooleanProperty
from kivy.uix.gridlayout import GridLayout
from kivy.uix.boxlayout import BoxLayout
from kivy.clock import Clock

from kivymd.uix.button import MDRectangleFlatButton
from kivymd.uix.dialog import MDDialog


if RNS.vendor.platformutils.get_platform() == "android":
    from ui.helpers import ts_format, mdc
    from ui.helpers import color_received, color_delivered, color_propagated, color_failed, color_unknown, intensity_msgs_dark, intensity_msgs_light
else:
    from .helpers import ts_format, mdc
    from .helpers import color_received, color_delivered, color_propagated, color_failed, color_unknown, intensity_msgs_dark, intensity_msgs_light

class ListLXMessageCard(MDCard):
# class ListLXMessageCard(MDCard, FakeRectangularElevationBehavior):
    text = StringProperty()
    heading = StringProperty()

class Messages():
    def __init__(self, app, context_dest):
        self.app = app
        self.context_dest = context_dest
        self.messages = []
        self.added_item_hashes = []
        self.latest_message_timestamp = None
        self.list = None
        self.widgets = []
        self.send_error_dialog = None
        self.update()

    def reload(self):
        if self.list != None:
            self.list.clear_widgets()

        self.messages = []
        self.added_item_hashes = []
        self.latest_message_timestamp = None
        self.widgets = []

        self.update()

    def update(self):
        self.messages = self.app.sideband.list_messages(self.context_dest, self.latest_message_timestamp)
        if self.list == None:
            layout = GridLayout(cols=1, spacing=dp(16), padding=dp(16), size_hint_y=None)
            layout.bind(minimum_height=layout.setter('height'))
            self.list = layout

        if len(self.messages) > 0:
            self.update_widget()

        if self.app.sideband.config["dark_ui"]:
            intensity_msgs = intensity_msgs_dark
        else:
            intensity_msgs = intensity_msgs_light

        for w in self.widgets:
            m = w.m
            if self.app.sideband.config["dark_ui"]:
                w.line_color = (1.0, 1.0, 1.0, 0.25)
            else:
                w.line_color = (1.0, 1.0, 1.0, 0.5)

            if m["state"] == LXMF.LXMessage.SENDING or m["state"] == LXMF.LXMessage.OUTBOUND:
                msg = self.app.sideband.message(m["hash"])
                if msg["state"] == LXMF.LXMessage.DELIVERED:
                    w.md_bg_color = msg_color = mdc(color_delivered, intensity_msgs)
                    txstr = time.strftime(ts_format, time.localtime(msg["sent"]))
                    titlestr = ""
                    if msg["title"]:
                        titlestr = "[b]Title[/b] "+msg["title"].decode("utf-8")+"\n"
                    w.heading = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] Delivered"
                    m["state"] = msg["state"]

                if msg["method"] == LXMF.LXMessage.PROPAGATED and msg["state"] == LXMF.LXMessage.SENT:
                    w.md_bg_color = msg_color = mdc(color_propagated, intensity_msgs)
                    txstr = time.strftime(ts_format, time.localtime(msg["sent"]))
                    titlestr = ""
                    if msg["title"]:
                        titlestr = "[b]Title[/b] "+msg["title"].decode("utf-8")+"\n"
                    w.heading = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] On Propagation Net"
                    m["state"] = msg["state"]

                if msg["state"] == LXMF.LXMessage.FAILED:
                    w.md_bg_color = msg_color = mdc(color_failed, intensity_msgs)
                    txstr = time.strftime(ts_format, time.localtime(msg["sent"]))
                    titlestr = ""
                    if msg["title"]:
                        titlestr = "[b]Title[/b] "+msg["title"].decode("utf-8")+"\n"
                    w.heading = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] Failed"
                    m["state"] = msg["state"]


    def update_widget(self):
        if self.app.sideband.config["dark_ui"]:
            intensity_msgs = intensity_msgs_dark
            mt_color = [1.0, 1.0, 1.0, 0.8]
        else:
            intensity_msgs = intensity_msgs_light
            mt_color = [1.0, 1.0, 1.0, 0.95]

        for m in self.messages:
            if not m["hash"] in self.added_item_hashes:
                txstr = time.strftime(ts_format, time.localtime(m["sent"]))
                rxstr = time.strftime(ts_format, time.localtime(m["received"]))
                titlestr = ""

                if m["title"]:
                    titlestr = "[b]Title[/b] "+m["title"].decode("utf-8")+"\n"

                if m["source"] == self.app.sideband.lxmf_destination.hash:
                    if m["state"] == LXMF.LXMessage.DELIVERED:
                        msg_color = mdc(color_delivered, intensity_msgs)
                        heading_str = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] Delivered"

                    elif m["method"] == LXMF.LXMessage.PROPAGATED and m["state"] == LXMF.LXMessage.SENT:
                        msg_color = mdc(color_propagated, intensity_msgs)
                        heading_str = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] On Propagation Net"

                    elif m["state"] == LXMF.LXMessage.FAILED:
                        msg_color = mdc(color_failed, intensity_msgs)
                        heading_str = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] Failed"

                    elif m["state"] == LXMF.LXMessage.OUTBOUND or m["state"] == LXMF.LXMessage.SENDING:
                        msg_color = mdc(color_unknown, intensity_msgs)
                        heading_str = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] Sending                          "

                    else:
                        msg_color = mdc(color_unknown, intensity_msgs)
                        heading_str = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] Unknown"

                else:
                    msg_color = mdc(color_received, intensity_msgs)
                    heading_str = titlestr+"[b]Sent[/b] "+txstr+"\n[b]Received[/b] "+rxstr

                item = ListLXMessageCard(
                    text=m["content"].decode("utf-8"),
                    heading=heading_str,
                    md_bg_color=msg_color,
                )
                item.sb_uid = m["hash"]
                item.m = m
                item.ids.heading_text.theme_text_color = "Custom"
                item.ids.heading_text.text_color = mt_color
                item.ids.content_text.theme_text_color = "Custom"
                item.ids.content_text.text_color = mt_color
                item.ids.msg_submenu.theme_text_color = "Custom"
                item.ids.msg_submenu.text_color = mt_color

                def gen_del(mhash, item):
                    def x():
                        yes_button = MDRectangleFlatButton(text="Yes",font_size=dp(18), theme_text_color="Custom", line_color=self.app.color_reject, text_color=self.app.color_reject)
                        no_button = MDRectangleFlatButton(text="No",font_size=dp(18))
                        dialog = MDDialog(
                            title="Delete message?",
                            buttons=[ yes_button, no_button ],
                            # elevation=0,
                        )
                        def dl_yes(s):
                            dialog.dismiss()
                            self.app.sideband.delete_message(mhash)

                            def cb(dt):
                                self.reload()
                            Clock.schedule_once(cb, 0.2)

                        def dl_no(s):
                            dialog.dismiss()

                        yes_button.bind(on_release=dl_yes)
                        no_button.bind(on_release=dl_no)
                        item.dmenu.dismiss()
                        dialog.open()
                    return x

                def gen_copy(msg, item):
                    def x():
                        Clipboard.copy(msg)
                        RNS.log(str(item))
                        item.dmenu.dismiss()

                    return x

                dm_items = [
                    {
                        "viewclass": "OneLineListItem",
                        "text": "Copy",
                        "height": dp(40),
                        "on_release": gen_copy(m["content"].decode("utf-8"), item)
                    },
                    {
                        "text": "Delete",
                        "viewclass": "OneLineListItem",
                        "height": dp(40),
                        "on_release": gen_del(m["hash"], item)
                    }
                ]

                item.dmenu = MDDropdownMenu(
                    caller=item.ids.msg_submenu,
                    items=dm_items,
                    position="center",
                    width_mult=4,
                    elevation=1,
                    radius=dp(3),
                    opening_transition="linear",
                    opening_time=0.0,
                )

                def callback_factory(ref):
                    def x(sender):
                        ref.dmenu.open()
                    return x

                # Bind menu open
                item.ids.msg_submenu.bind(on_release=callback_factory(item))

                self.added_item_hashes.append(m["hash"])
                self.widgets.append(item)
                self.list.add_widget(item)

                if self.latest_message_timestamp == None or m["received"] > self.latest_message_timestamp:
                    self.latest_message_timestamp = m["received"]

    def get_widget(self):
        return self.list

    def close_send_error_dialog(self, sender=None):
        if self.send_error_dialog:
            self.send_error_dialog.dismiss()