add new url image preview plugin
This commit is contained in:
Denis Fomin
1
url_image_preview/__init__.py
Normal file
1
url_image_preview/__init__.py
Normal file
@@ -0,0 +1 @@
|
||||
from url_image_preview import UrlImagePreviewPlugin
|
||||
56
url_image_preview/config_dialog.ui
Normal file
56
url_image_preview/config_dialog.ui
Normal file
@@ -0,0 +1,56 @@
|
||||
<?xml version="1.0"?>
|
||||
<interface>
|
||||
<requires lib="gtk+" version="2.16"/>
|
||||
<!-- interface-naming-policy toplevel-contextual -->
|
||||
<object class="GtkWindow" id="window1">
|
||||
<child>
|
||||
<object class="GtkVBox" id="vbox1">
|
||||
<property name="visible">True</property>
|
||||
<property name="orientation">vertical</property>
|
||||
<child>
|
||||
<object class="GtkHBox" id="hbox2">
|
||||
<property name="visible">True</property>
|
||||
<child>
|
||||
<object class="GtkLabel" id="preview_size_lebel">
|
||||
<property name="width_request">133</property>
|
||||
<property name="visible">True</property>
|
||||
<property name="xalign">0.029999999329447746</property>
|
||||
<property name="label" translatable="yes">Preview size</property>
|
||||
<property name="ellipsize">start</property>
|
||||
<property name="single_line_mode">True</property>
|
||||
<property name="track_visited_links">False</property>
|
||||
</object>
|
||||
<packing>
|
||||
<property name="position">0</property>
|
||||
</packing>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkSpinButton" id="preview_size">
|
||||
<property name="visible">True</property>
|
||||
<property name="can_focus">True</property>
|
||||
<property name="has_tooltip">True</property>
|
||||
<property name="tooltip_text" translatable="yes">Preview size(10-512)</property>
|
||||
<property name="invisible_char">●</property>
|
||||
<property name="width_chars">6</property>
|
||||
<property name="snap_to_ticks">True</property>
|
||||
<property name="numeric">True</property>
|
||||
<signal name="value_changed" handler="preview_size_value_changed"/>
|
||||
</object>
|
||||
<packing>
|
||||
<property name="expand">False</property>
|
||||
<property name="fill">False</property>
|
||||
<property name="position">1</property>
|
||||
</packing>
|
||||
</child>
|
||||
</object>
|
||||
<packing>
|
||||
<property name="position">0</property>
|
||||
</packing>
|
||||
</child>
|
||||
<child>
|
||||
<placeholder/>
|
||||
</child>
|
||||
</object>
|
||||
</child>
|
||||
</object>
|
||||
</interface>
|
||||
9
url_image_preview/manifest.ini
Normal file
9
url_image_preview/manifest.ini
Normal file
@@ -0,0 +1,9 @@
|
||||
[info]
|
||||
name: Url image preview
|
||||
short_name: url_image_preview
|
||||
version: 0.1
|
||||
description: Url image preview in chatbox.
|
||||
Based on patch in ticket #5300:
|
||||
http://trac.gajim.org/attachment/ticket/5300.
|
||||
authors = Denis Fomin <fominde@gmail.com>
|
||||
homepage = http://trac-plugins.gajim.org/wiki/
|
||||
162
url_image_preview/url_image_preview.py
Normal file
162
url_image_preview/url_image_preview.py
Normal file
@@ -0,0 +1,162 @@
|
||||
# -*- coding: utf-8 -*-
|
||||
|
||||
import gtk
|
||||
import re
|
||||
import os
|
||||
|
||||
import urllib
|
||||
import gobject
|
||||
|
||||
from common import gajim
|
||||
from plugins import GajimPlugin
|
||||
from plugins.helpers import log_calls
|
||||
from plugins.gui import GajimPluginConfigDialog
|
||||
from conversation_textview import TextViewImage
|
||||
|
||||
EXTENSIONS = ('.png','.jpg','.jpeg','.gif','.raw','.svg')
|
||||
|
||||
|
||||
class UrlImagePreviewPlugin(GajimPlugin):
|
||||
@log_calls('UrlImagePreviewPlugin')
|
||||
def init(self):
|
||||
self.description = _('Url image preview in chatbox.\n'
|
||||
'Based on patch in ticket #5300:\n'
|
||||
'http://trac.gajim.org/attachment/ticket/5300.')
|
||||
self.config_dialog = UrlImagePreviewPluginConfigDialog(self)
|
||||
self.gui_extension_points = {
|
||||
'chat_control_base': (self.connect_with_chat_control,
|
||||
self.disconnect_from_chat_control),
|
||||
'print_special_text': (self.print_special_text,
|
||||
self.print_special_text1),}
|
||||
self.config_default_values = {
|
||||
'PREVIEW_SIZE': (150, 'Preview size(10-512)'),}
|
||||
self.chat_control = None
|
||||
self.controls = []
|
||||
|
||||
@log_calls('UrlImagePreviewPlugin')
|
||||
def connect_with_chat_control(self, chat_control):
|
||||
|
||||
self.chat_control = chat_control
|
||||
control = Base(self, self.chat_control)
|
||||
self.controls.append(control)
|
||||
|
||||
@log_calls('UrlImagePreviewPlugin')
|
||||
def disconnect_from_chat_control(self, chat_control):
|
||||
for control in self.controls:
|
||||
control.disconnect_from_chat_control()
|
||||
self.controls = []
|
||||
self.conn.close()
|
||||
|
||||
def print_special_text(self, tv, special_text, other_tags, graphics=True):
|
||||
for control in self.controls:
|
||||
if control.chat_control.conv_textview != tv:
|
||||
continue
|
||||
control.print_special_text(special_text, other_tags, graphics=True)
|
||||
|
||||
def print_special_text1(self, chat_control, special_text, other_tags=None,
|
||||
graphics=True):
|
||||
for control in self.controls:
|
||||
if control.chat_control == chat_control:
|
||||
control.disconnect_from_chat_control()
|
||||
self.controls.remove(control)
|
||||
|
||||
class Base(object):
|
||||
def __init__(self, plugin, chat_control):
|
||||
self.plugin = plugin
|
||||
self.chat_control = chat_control
|
||||
self.textview = self.chat_control.conv_textview
|
||||
|
||||
def print_special_text(self, special_text, other_tags, graphics=True):
|
||||
if not gajim.interface.basic_pattern_re.match(special_text):
|
||||
return
|
||||
|
||||
name, extension = os.path.splitext(special_text)
|
||||
if extension.lower() not in EXTENSIONS:
|
||||
return
|
||||
if not special_text.startswith('http://') and \
|
||||
special_text.startswith('www.'):
|
||||
special_text = 'http://' + special_text
|
||||
if not special_text.startswith('ftp://') and \
|
||||
special_text.startswith('ftp.'):
|
||||
special_text = 'ftp://' + special_text
|
||||
|
||||
# show pics preview
|
||||
buffer_ = self.textview.tv.get_buffer()
|
||||
iter_ = buffer_.get_end_iter()
|
||||
mark = buffer_.create_mark(None, iter_, True)
|
||||
gobject.idle_add(self.insert_pic_preview, mark, special_text, special_text)
|
||||
|
||||
def insert_pic_preview(self, mark, special_text, url):
|
||||
pixbuf = self.get_pixbuf_from_url( url, self.plugin.config[
|
||||
'PREVIEW_SIZE'])
|
||||
if pixbuf:
|
||||
# insert image
|
||||
buffer_ = mark.get_buffer()
|
||||
end_iter = buffer_.get_iter_at_mark(mark)
|
||||
anchor = buffer_.create_child_anchor(end_iter)
|
||||
img = TextViewImage(anchor, special_text)
|
||||
img.set_from_pixbuf(pixbuf)
|
||||
img.show()
|
||||
self.textview.tv.add_child_at_anchor(img, anchor)
|
||||
|
||||
|
||||
def get_pixbuf_from_url(self, url, size):
|
||||
# download image and resize
|
||||
# Returns pixbuf or False if broken image or not connected
|
||||
try:
|
||||
data = urllib.urlopen(url).read()
|
||||
pix = gtk.gdk.PixbufLoader()
|
||||
pix.write(data)
|
||||
pix.close()
|
||||
pixbuf = pix.get_pixbuf()
|
||||
pixbuf, w, h = self.get_pixbuf_of_size(pixbuf, size)
|
||||
except:
|
||||
return False
|
||||
return pixbuf
|
||||
|
||||
def get_pixbuf_of_size(self, pixbuf, size):
|
||||
# Creates a pixbuf that fits in the specified square of sizexsize
|
||||
# while preserving the aspect ratio
|
||||
# Returns tuple: (scaled_pixbuf, actual_width, actual_height)
|
||||
image_width = pixbuf.get_width()
|
||||
image_height = pixbuf.get_height()
|
||||
|
||||
if image_width > image_height:
|
||||
if image_width > size:
|
||||
image_height = int(size / float(image_width) * image_height)
|
||||
image_width = int(size)
|
||||
else:
|
||||
if image_height > size:
|
||||
image_width = int(size / float(image_height) * image_width)
|
||||
image_height = int(size)
|
||||
|
||||
crop_pixbuf = pixbuf.scale_simple(image_width, image_height,
|
||||
gtk.gdk.INTERP_BILINEAR)
|
||||
return (crop_pixbuf, image_width, image_height)
|
||||
|
||||
def disconnect_from_chat_control(self):
|
||||
pass
|
||||
|
||||
|
||||
class UrlImagePreviewPluginConfigDialog(GajimPluginConfigDialog):
|
||||
def init(self):
|
||||
self.GTK_BUILDER_FILE_PATH = self.plugin.local_file_path(
|
||||
'config_dialog.ui')
|
||||
self.xml = gtk.Builder()
|
||||
self.xml.set_translation_domain('gajim_plugins')
|
||||
self.xml.add_objects_from_file(self.GTK_BUILDER_FILE_PATH, ['vbox1'])
|
||||
self.preview_size_spinbutton = self.xml.get_object('preview_size')
|
||||
self.preview_size_spinbutton.get_adjustment().set_all(20, 10, 512, 1,
|
||||
10, 0)
|
||||
vbox = self.xml.get_object('vbox1')
|
||||
self.child.pack_start(vbox)
|
||||
|
||||
self.xml.connect_signals(self)
|
||||
|
||||
def on_run(self):
|
||||
self.preview_size_spinbutton.set_value(self.plugin.config[
|
||||
'PREVIEW_SIZE'])
|
||||
|
||||
|
||||
def preview_size_value_changed(self, spinbutton):
|
||||
self.plugin.config['PREVIEW_SIZE'] = spinbutton.get_value()
|
||||
Reference in New Issue
Block a user