zim.plugins.attachmentbrowser.thumbnailer.ThumbnailQueue

class documentation

class ThumbnailQueue(object): (source)

Wrapper for ThumbnailManager that does that actual thumbnailing in a separate thread and manages the requests and the results with queues.

Method	`__init__`	Undocumented
Method	`clear_queue`	Undocumented
Method	`get_ready_thumbnail`	Check output queue for a thumbnail that is ready @returns: a 5-tuple `(file, size, thumbfile, pixbuf, mtime)` or 5 times `None` when nothing is ready and `block` is `False`.
Method	`queue_empty`	Returns `True` when both input and output queue are empty
Method	`queue_thumbnail_request`	No summary
Method	`start`	Undocumented
Method	`_thread_main`	Undocumented
Instance Variable	`_count`	Undocumented
Instance Variable	`_count_lock`	Undocumented
Instance Variable	`_in_queue`	Undocumented
Instance Variable	`_out_queue`	Undocumented
Instance Variable	`_running`	Undocumented
Instance Variable	`_thread`	Undocumented
Instance Variable	`_thumbmanager`	Undocumented

def __init__(self, thumbnailcreator=pixbufThumbnailCreator): (source)

Undocumented

def clear_queue(self): (source)

Undocumented

def get_ready_thumbnail(self, block=False): (source)

Check output queue for a thumbnail that is ready

Returns
a 5-tuple `(file, size, thumbfile, pixbuf, mtime)` or 5 times `None` when nothing is ready and `block` is `False`.

def queue_empty(self): (source)

Returns True when both input and output queue are empty

def queue_thumbnail_request(self, file, size, mtime=None): (source)

Add a new request to the queue

Parameters
file	a `File` object
size	the size of the thumbnail in pixels
mtime	the mtime of a previous loaded thumbnail, if this matches the current file, the request will be dropped

def start(self): (source)

Undocumented

def _thread_main(self): (source)

Undocumented

_count: int = (source)

Undocumented

_count_lock = (source)

Undocumented

_in_queue = (source)

Undocumented

_out_queue = (source)

Undocumented

_running = (source)

Undocumented

Undocumented

_thumbmanager = (source)

Undocumented