Source code for enamlnative.widgets.video_view

"""
Copyright (c) 2017-2022, CodeLV.

Distributed under the terms of the MIT License.

The full license is in the file LICENSE, distributed with this software.

Created on May 20, 2017

 
"""
from atom.api import Enum, Event, ForwardTyped, Str, Typed
from enaml.core.declarative import d_, observe
from .surface_view import ProxySurfaceView, SurfaceView


class ProxyVideoView(ProxySurfaceView):
    """The abstract definition of a proxy video view object."""

    #: A reference to the Label declaration.
    declaration = ForwardTyped(lambda: VideoView)

    def seek_to(self, ms: int):
        raise NotImplementedError

    def set_control(self, control: str):
        raise NotImplementedError


[docs]class VideoView(SurfaceView):
    """VideoView displays a video file"""

    #: Source of the video file or URI
    src = d_(Str())

    #: Player actions
    control = d_(Enum("play", "stop", "pause"))

    #: State
    state = d_(
        Enum("idle", "stopped", "paused", "loading", "complete", "playing", "error"),
        writable=False,
    )

    #: Error event
    error = d_(Event(dict), writable=False)

    #: Info event, such as buffering
    info = d_(Event(dict), writable=False)

    #: A reference to the ProxyViewGroup object.
    proxy = Typed(ProxyVideoView)

    @observe("src", "control")
    def _update_proxy(self, change):
        super()._update_proxy(change)

[docs]    def seek_to(self, ms: int):
        """Seek to the given time."""
        proxy = self.proxy
        assert proxy is not None
        proxy.seek_to(ms)