# Copyright (C) 2008, 2013 James D. Simmons # Copyright (C) 2012 Aneesh Dogra # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 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 General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA import os import logging import time import zipfile from zipfile import BadZipfile from gi.repository import Gtk from gi.repository import GdkPixbuf from gi.repository import Gdk import pygame import re from sugar3.activity import activity from sugar3 import network from sugar3.datastore import datastore from sugar3 import profile from sugar3.graphics.alert import NotifyAlert from sugar3.graphics.toolbarbox import ToolbarBox from sugar3.graphics.toolbarbox import ToolbarButton from sugar3.activity.widgets import StopButton from readtoolbar import SlidesToolbar from sugar3.graphics.toolbutton import ToolButton from sugar3.graphics.menuitem import MenuItem from sugar3.graphics.toggletoolbutton import ToggleToolButton from mybutton import MyActivityToolbarButton from readsidebar import Sidebar from gettext import gettext as _ import dbus from gi.repository import GObject import telepathy import cPickle as pickle from decimal import * import xopower _TOOLBAR_READ = 1 _TOOLBAR_SLIDES = 3 COLUMN_IMAGE = 0 COLUMN_PATH = 1 COLUMN_OLD_NAME = 1 _logger = logging.getLogger('view-slides') class JobjectWrapper(): def __init__(self): self.__jobject = None self.__file_path = None def set_jobject(self, jobject): self.__jobject = jobject def set_file_path(self, file_path): self.__file_path = file_path def get_file_path(self): if self.__jobject != None: return self.__jobject.get_file_path() else: return self.__file_path class Annotations(): def __init__(self, pickle_file_name): self.title = '' self.notes = {0:''} self.bookmarks = [] self.pickle_file_name = pickle_file_name def get_title(self): return self.title def set_title(self, title): self.title = title def get_notes(self): return self.notes def get_note(self, page): try: return self.notes[page] except KeyError: return '' def add_note(self, page, text): status = False if self.get_note(page) != text: status = True self.notes[page] = text if text == '': del self.notes[page] return status def is_bookmarked(self, page): bookmark = self.bookmarks.count(page) if bookmark > 0: return True else: return False def add_bookmark(self, page): self.bookmarks.append(page) def remove_bookmark(self, page): try: self.bookmarks.remove(page) # print 'bookmarks=', self.bookmarks except ValueError: print 'page already not bookmarked', page def get_bookmarks(self): self.bookmarks.sort() return self.bookmarks def restore(self): if os.path.exists(self.pickle_file_name): pickle_input = open(self.pickle_file_name, 'rb') self.title = pickle.load(pickle_input) self.bookmarks = pickle.load(pickle_input) self.notes = pickle.load(pickle_input) pickle_input.close() def save(self): pickle_output = open(self.pickle_file_name, 'wb') pickle.dump(self.title, pickle_output) pickle.dump(self.bookmarks, pickle_output) pickle.dump(self.notes, pickle_output) pickle_output.close() class ReadHTTPRequestHandler(network.ChunkedGlibHTTPRequestHandler): """HTTP Request Handler for transferring document while collaborating. RequestHandler class that integrates with Glib mainloop. It writes the specified file to the client in chunks, returning control to the mainloop between chunks. """ def translate_path(self, path): """Return the filepath to the shared document.""" return self.server.filepath class ReadHTTPServer(network.GlibTCPServer): """HTTP Server for transferring document while collaborating.""" def __init__(self, server_address, filepath): """Set up the GlibTCPServer with the ReadHTTPRequestHandler. filepath -- path to shared document to be served. """ self.filepath = filepath network.GlibTCPServer.__init__(self, server_address, ReadHTTPRequestHandler) class ReadURLDownloader(network.GlibURLDownloader): """URLDownloader that provides content-length and content-type.""" def get_content_length(self): """Return the content-length of the download.""" if self._info is not None: return int(self._info.headers.get('Content-Length')) def get_content_type(self): """Return the content-type of the download.""" if self._info is not None: return self._info.headers.get('Content-type') return None READ_STREAM_SERVICE = 'viewslides-activity-http' class ViewSlidesActivity(activity.Activity): __gsignals__ = { 'go-fullscreen': (GObject.SIGNAL_RUN_FIRST, GObject.TYPE_NONE, ([])) } def __init__(self, handle): "The entry point to the Activity" activity.Activity.__init__(self, handle) self._fileserver = None self._object_id = handle.object_id self.zoom_image_to_fit = True self.total_pages = 0 self.connect("draw", self.area_expose_cb) self.connect("delete_event", self.delete_cb) self.object_id = handle.object_id self.create_new_toolbar() self.scrolled = Gtk.ScrolledWindow() self.scrolled.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC) self.image = Gtk.Image() self.eventbox = Gtk.EventBox() self.eventbox.add(self.image) self.image.show() self.eventbox.show() self.scrolled.add_with_viewport(self.eventbox) self.eventbox.set_events(Gdk.EventMask.KEY_PRESS_MASK | Gdk.EventMask.BUTTON_PRESS_MASK) self.eventbox.set_can_focus(True) self.eventbox.connect("key_press_event", self.keypress_cb) self.eventbox.connect("button_press_event", self.buttonpress_cb) self.annotation_textview = Gtk.TextView() self.annotation_textview.set_left_margin(50) self.annotation_textview.set_right_margin(50) self.annotation_textview.set_wrap_mode(Gtk.WrapMode.WORD) self.annotation_textview.show() self.sidebar = Sidebar() self.sidebar.show() self.ls_left = self.ls_left = Gtk.ListStore(GObject.TYPE_STRING, GObject.TYPE_STRING) tv_left = Gtk.TreeView(self.ls_left) tv_left.set_rules_hint(True) tv_left.set_search_column(COLUMN_IMAGE) selection_left = tv_left.get_selection() selection_left.set_mode(Gtk.SelectionMode.SINGLE) selection_left.connect("changed", self.selection_left_cb) renderer = Gtk.CellRendererText() col_left = Gtk.TreeViewColumn(_('Slideshow Image'), renderer, text=COLUMN_IMAGE) col_left.set_sort_column_id(COLUMN_IMAGE) renderer.set_property('editable', True) renderer.connect('edited', self.col_left_edited_cb, self.ls_left) tv_left.append_column(col_left) self.list_scroller_left = Gtk.ScrolledWindow() self.list_scroller_left.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC) self.list_scroller_left.add(tv_left) self.ls_right = Gtk.ListStore(GObject.TYPE_STRING, GObject.TYPE_PYOBJECT) tv_right = Gtk.TreeView(self.ls_right) tv_right.set_rules_hint(True) tv_right.set_search_column(COLUMN_IMAGE) selection_right = tv_right.get_selection() selection_right.set_mode(Gtk.SelectionMode.SINGLE) selection_right.connect("changed", self.selection_right_cb) renderer = Gtk.CellRendererText() self.col_right = Gtk.TreeViewColumn(_('Available Images'), renderer, text=COLUMN_IMAGE) self.col_right.set_sort_column_id(COLUMN_IMAGE) tv_right.append_column(self.col_right) self.list_scroller_right = Gtk.ScrolledWindow(hadjustment=None, vadjustment=None) self.list_scroller_right.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC) self.list_scroller_right.add(tv_right) self.hpane = Gtk.HPaned() self.hpane.add1(self.list_scroller_left) self.hpane.add2(self.list_scroller_right) self.progressbar = Gtk.ProgressBar() self.progressbar.set_fraction(0.0) vbox = Gtk.VBox() vbox.pack_start(self.progressbar, False, False, 10) vbox.pack_start(self.scrolled, True, True, 0) vbox.pack_end(self.hpane, True, True, 0) vbox.pack_end(self.annotation_textview, False, False, 10) sidebar_hbox = Gtk.HBox() sidebar_hbox.pack_start(self.sidebar, False, False, 0) sidebar_hbox.pack_start(vbox, True, True, 0) self.set_canvas(sidebar_hbox) sidebar_hbox.show() self.scrolled.show() tv_left.show() self.list_scroller_left.show() tv_right.show() self.list_scroller_right.show() self.hpane.show() vbox.show() self.hpane.hide() self.is_dirty = False self.annotations_dirty = False self.load_journal_table() self.show_image("ViewSlides.jpg") self.page = 0 self.temp_filename = '' self.saved_screen_width = 0 self.eventbox.grab_focus() self.cursor_visible = True self.pickle_file_temp = os.path.join(self.get_activity_root(), 'instance', 'pkl%i' % time.time()) self.annotations = Annotations(self.pickle_file_temp) xopower.setup_idle_timeout() if xopower.service_activated: self.scrolled.props.vadjustment.connect("value-changed", self._user_action_cb) self.scrolled.props.hadjustment.connect("value-changed", self._user_action_cb) self.connect("focus-in-event", self._focus_in_event_cb) self.connect("focus-out-event", self._focus_out_event_cb) self.connect("notify::active", self._now_active_cb) self.unused_download_tubes = set() self._want_document = True self._download_content_length = 0 self._download_content_type = None # Status of temp file used for write_file: self.tempfile = None self._close_requested = False self.connect("shared", self._shared_cb) h = hash(self._activity_id) self.port = 1024 + (h % 64511) self.is_received_document = False self.selected_journal_entry = None self.selected_title = None self.selection_left = None if self.shared_activity and handle.object_id == None: # We're joining, and we don't already have the document. if self.get_shared(): # Already joined for some reason, just get the document self._joined_cb(self) else: # Wait for a successful join before trying to get the document self.connect("joined", self._joined_cb) else: # Assign a file path to create if one doesn't exist yet if handle.object_id == None: self.tempfile = os.path.join(self.get_activity_root(), 'instance', 'tmp%i' % time.time()) self.show_image_tables(True) def create_new_toolbar(self): toolbar_box = ToolbarBox() activity_button = MyActivityToolbarButton(self) toolbar_box.toolbar.insert(activity_button, 0) activity_button.show() self._slides_toolbar = SlidesToolbar() self._slides_toolbar.set_activity(self) self._slides_toolbar.show() slides_toolbar_button = ToolbarButton(page=self._slides_toolbar, icon_name='slides') toolbar_box.toolbar.insert(slides_toolbar_button, -1) slides_toolbar_button.show() self.connect('go-fullscreen', \ self.__view_toolbar_go_fullscreen_cb) self.back = ToolButton('go-previous') self.back.set_tooltip(_('Back')) self.back.props.sensitive = False palette = self.back.get_palette() self.menu_prev_page = MenuItem(text_label= _("Previous page")) palette.menu.append(self.menu_prev_page) self.menu_prev_page.show_all() self.menu_prev_bookmark = MenuItem(text_label= _("Previous bookmark")) palette.menu.append(self.menu_prev_bookmark) self.menu_prev_bookmark.show_all() self.back.connect('clicked', self.go_back_cb) self.menu_prev_page.connect('activate', self.go_back_cb) self.menu_prev_bookmark.connect('activate', self.prev_bookmark_activate_cb) toolbar_box.toolbar.insert(self.back, -1) self.back.show() self.forward = ToolButton('go-next') self.forward.set_tooltip(_('Forward')) self.forward.props.sensitive = False palette = self.forward.get_palette() self.menu_next_page = MenuItem(text_label= _("Next page")) palette.menu.append(self.menu_next_page) self.menu_next_page.show_all() self.menu_next_bookmark = MenuItem(text_label= _("Next bookmark")) palette.menu.append(self.menu_next_bookmark) self.menu_next_bookmark.show_all() self.forward.connect('clicked', self.go_forward_cb) self.menu_next_page.connect('activate', self.go_forward_cb) self.menu_next_bookmark.connect('activate', self.next_bookmark_activate_cb) toolbar_box.toolbar.insert(self.forward, -1) self.forward.show() num_page_item = Gtk.ToolItem() self.num_page_entry = Gtk.Entry() self.num_page_entry.set_text('0') self.num_page_entry.set_alignment(1) self.num_page_entry.connect('insert-text', self.__new_num_page_entry_insert_text_cb) self.num_page_entry.connect('activate', self.__new_num_page_entry_activate_cb) self.num_page_entry.set_width_chars(4) num_page_item.add(self.num_page_entry) self.num_page_entry.show() toolbar_box.toolbar.insert(num_page_item, -1) num_page_item.show() total_page_item = Gtk.ToolItem() self.total_page_label = Gtk.Label() self.total_page_label.set_markup("") self.total_page_label.set_text(' / 0') total_page_item.add(self.total_page_label) self.total_page_label.show() toolbar_box.toolbar.insert(total_page_item, -1) total_page_item.show() spacer = Gtk.SeparatorToolItem() toolbar_box.toolbar.insert(spacer, -1) spacer.show() bookmarkitem = Gtk.ToolItem() self.bookmarker = ToggleToolButton('emblem-favorite') self.bookmarker.set_tooltip(_('Toggle Bookmark')) self.bookmarker_handler_id = self.bookmarker.connect('clicked', self.bookmarker_clicked_cb) bookmarkitem.add(self.bookmarker) toolbar_box.toolbar.insert(bookmarkitem, -1) bookmarkitem.show_all() spacer2 = Gtk.SeparatorToolItem() toolbar_box.toolbar.insert(spacer2, -1) spacer2.show() self._zoom_out = ToolButton('zoom-out') self._zoom_out.set_tooltip(_('Zoom out')) self._zoom_out.connect('clicked', self._zoom_out_cb) toolbar_box.toolbar.insert(self._zoom_out, -1) self._zoom_out.props.sensitive = False self._zoom_out.show() self._zoom_in = ToolButton('zoom-in') self._zoom_in.set_tooltip(_('Zoom in')) self._zoom_in.connect('clicked', self._zoom_in_cb) toolbar_box.toolbar.insert(self._zoom_in, -1) self._zoom_in.props.sensitive = True self._zoom_in.show() self._fullscreen = ToolButton('view-fullscreen') self._fullscreen.set_tooltip(_('Fullscreen')) self._fullscreen.connect('clicked', self._fullscreen_cb) toolbar_box.toolbar.insert(self._fullscreen, -1) self._fullscreen.show() separator = Gtk.SeparatorToolItem() separator.props.draw = False separator.set_expand(True) toolbar_box.toolbar.insert(separator, -1) separator.show() stop_button = StopButton(self) stop_button.props.accelerator = 'Q' toolbar_box.toolbar.insert(stop_button, -1) stop_button.show() self.set_toolbar_box(toolbar_box) toolbar_box.show() if self.object_id is None: # Not joining, not resuming slides_toolbar_button.set_expanded(True) def _zoom_in_cb(self, button): self._zoom_in.props.sensitive = False self._zoom_out.props.sensitive = True self.zoom_to_width() def _zoom_out_cb(self, button): self._zoom_in.props.sensitive = True self._zoom_out.props.sensitive = False self.zoom_to_fit() def enable_zoom_in(self): self._zoom_in.props.sensitive = True self._zoom_out.props.sensitive = False def enable_zoom_out(self): self._zoom_in.props.sensitive = False self._zoom_out.props.sensitive = True def _fullscreen_cb(self, button): self.emit('go-fullscreen') def __new_num_page_entry_insert_text_cb(self, entry, text, length, position): if not re.match('[0-9]', text): entry.emit_stop_by_name('insert-text') return True return False def __new_num_page_entry_activate_cb(self, entry): if entry.props.text: page = int(entry.props.text) - 1 else: page = 0 if page >= self.total_pages: page = self.total_pages - 1 elif page < 0: page = 0 self.set_current_page(page) self.show_page(page) entry.props.text = str(page + 1) self.update_nav_buttons() def go_back_cb(self, button): self.previous_page() def go_forward_cb(self, button): self.next_page() def update_nav_buttons(self): current_page = self.page self.back.props.sensitive = current_page > 0 self.forward.props.sensitive = \ current_page < self.total_pages - 1 self.num_page_entry.props.text = str(current_page + 1) self.total_page_label.props.label = \ ' / ' + str(self.total_pages) def set_total_pages(self, pages): self.total_pages = pages def prev_bookmark_activate_cb(self, menuitem): self.prev_bookmark() def next_bookmark_activate_cb(self, menuitem): self.next_bookmark() def bookmarker_clicked_cb(self, button): self.bookmarker_clicked(button) def setToggleButtonState(self,button,b,id): button.handler_block(id) button.set_active(b) button.handler_unblock(id) def update_bookmark_button(self, state): self.setToggleButtonState(self.bookmarker, state, self.bookmarker_handler_id) def load_journal_table(self): ds_objects, num_objects = datastore.find({'mime_type':['image/jpeg', 'image/gif', 'image/tiff', 'image/png']}, properties=['uid', 'title', 'mime_type']) self.ls_right.clear() for i in xrange (0, num_objects, 1): iter = self.ls_right.append() title = ds_objects[i].metadata['title'] mime_type = ds_objects[i].metadata['mime_type'] if mime_type == 'image/jpeg' and not title.endswith('.jpg') and not title.endswith('.jpeg') \ and not title.endswith('.JPG') and not title.endswith('.JPEG') : title = title + '.jpg' if mime_type == 'image/png' and not title.endswith('.png') and not title.endswith('.PNG'): title = title + '.png' if mime_type == 'image/gif' and not title.endswith('.gif') and not title.endswith('.GIF'): title = title + '.gif' if mime_type == 'image/tiff' and not title.endswith('.tiff') and not title.endswith('.TIFF'): title = title + '.tiff' self.ls_right.set(iter, COLUMN_IMAGE, title) jobject_wrapper = JobjectWrapper() jobject_wrapper.set_jobject(ds_objects[i]) self.ls_right.set(iter, COLUMN_PATH, jobject_wrapper) valid_endings = ('.jpg', '.jpeg', '.JPEG', '.JPG', '.gif', '.GIF', '.tiff', '.TIFF', '.png', '.PNG') for dirname, dirnames, filenames in os.walk('/media'): if '.olpc.store' in dirnames: dirnames.remove('.olpc.store') # don't visit .olpc.store directories for filename in filenames: if filename.endswith(valid_endings): iter = self.ls_right.append() jobject_wrapper = JobjectWrapper() jobject_wrapper.set_file_path(os.path.join(dirname, filename)) self.ls_right.set(iter, COLUMN_IMAGE, filename) self.ls_right.set(iter, COLUMN_PATH, jobject_wrapper) self.ls_right.set_sort_column_id(COLUMN_IMAGE, Gtk.SortType.ASCENDING) def col_left_edited_cb(self, cell, path, new_text, user_data): liststore = user_data if self.check_for_duplicates(new_text) == True: self._alert("Duplicate Filename", 'File ' + str(new_text) + ' already exists in slideshow!') return liststore[path][COLUMN_IMAGE] = new_text self.is_dirty = True return def show_image_tables(self, state): if state == True: self.hpane.show() self.annotation_textview.hide() self.sidebar.hide() self._slides_toolbar._hide_image_tables.props.sensitive = True self._slides_toolbar._reload_journal_table.props.sensitive = True self._slides_toolbar._show_image_tables.props.sensitive = False self.show_image("ViewSlides.jpg") else: self.hpane.hide() self.annotation_textview.show() self.sidebar.show() self.rewrite_zip() self.set_current_page(0) self._load_document(self.tempfile) def selection_left_cb(self, selection): tv = selection.get_tree_view() model = tv.get_model() self.selection_left = selection.get_selected() if self.selection_left: model, iter = self.selection_left selected_file = model.get_value(iter, COLUMN_OLD_NAME) zf = zipfile.ZipFile(self.tempfile, 'r') if self.save_extracted_file(zf, selected_file) == True: fname = os.path.join(self.get_activity_root(), 'instance', self.make_new_filename(selected_file)) self.show_image(fname) os.remove(fname) self._slides_toolbar._remove_image.props.sensitive = True self._slides_toolbar.extract_image.props.sensitive = True def selection_right_cb(self, selection): tv = selection.get_tree_view() model = tv.get_model() sel = selection.get_selected() if sel: model, iter = sel jobject = model.get_value(iter,COLUMN_PATH) fname = jobject.get_file_path() self.show_image(fname) self._slides_toolbar._add_image.props.sensitive = True self.selected_journal_entry = jobject self.selected_title = model.get_value(iter,COLUMN_IMAGE) def add_image(self): if self.selected_journal_entry == None: return selected_file = self.selected_journal_entry.get_file_path() arcname = self.selected_title if self.check_for_duplicates(arcname) == True: self._alert("Duplicate Filename", 'File ' + str(arcname) + ' already exists in slideshow!') return # Assign a file path to create if one doesn't exist yet if self.tempfile == None: self.tempfile = os.path.join(self.get_activity_root(), 'instance',\ 'tmp%i' % time.time()) try: if os.path.exists(self.tempfile): zf = zipfile.ZipFile(self.tempfile, 'a') else: zf = zipfile.ZipFile(self.tempfile, 'w') zf.write(selected_file.encode( "utf-8" ), arcname.encode( "utf-8" )) zf.close() iter = self.ls_left.append() self.ls_left.set(iter, COLUMN_IMAGE, arcname, COLUMN_OLD_NAME, arcname) self._slides_toolbar._add_image.props.sensitive = False except BadZipfile, err: print 'Error opening the zip file: %s' % (err) self._alert('Error', 'Error opening the zip file') def remove_image(self): if self.selection_left: model, iter = self.selection_left self.ls_left.remove(iter) self._slides_toolbar._remove_image.props.sensitive = True self.is_dirty = True def extract_image(self): if self.selection_left: model, iter = self.selection_left selected_file = model.get_value(iter, COLUMN_OLD_NAME) zf = zipfile.ZipFile(self.tempfile, 'r') if self.save_extracted_file(zf, selected_file) == True: fname = os.path.join(self.get_activity_root(), 'instance', self.make_new_filename(selected_file)) self.create_journal_entry(fname, selected_file) os.remove(fname) def create_journal_entry(self, tempfile, title): journal_entry = datastore.create() journal_entry.metadata['title'] = title journal_entry.metadata['title_set_by_user'] = '1' journal_entry.metadata['keep'] = '0' mime_type = 'image/jpeg' if title.endswith('.tiff') or title.endswith('.TIFF'): mime_type = 'image/tiff' elif title.endswith('.gif') or title.endswith('.GIF'): mime_type = 'image/gif' elif title.endswith('.png') or title.endswith('.PNG'): mime_type = 'image/png' journal_entry.metadata['mime_type'] = mime_type journal_entry.metadata['buddies'] = '' journal_entry.metadata['preview'] = '' journal_entry.metadata['icon-color'] = profile.get_color().to_string() journal_entry.file_path = tempfile datastore.write(journal_entry) self.load_journal_table() self._alert(_('Success'), title + _(' added to Journal.')) def check_for_duplicates(self, filename): for row in self.ls_left: if row [COLUMN_OLD_NAME] == filename: return True if row [COLUMN_IMAGE] == filename: return True return False def rewrite_zip(self): if self.is_dirty == False: return new_zipfile = os.path.join(self.get_activity_root(), 'instance', 'rewrite%i' % time.time()) print self.tempfile, new_zipfile zf_new = zipfile.ZipFile(new_zipfile, 'w') zf_old = zipfile.ZipFile(self.tempfile, 'r') for row in self.ls_left: copied_file = row [COLUMN_OLD_NAME] new_file = row[COLUMN_IMAGE] if self.save_extracted_file(zf_old, copied_file) == True: outfn = self.make_new_filename(copied_file) fname = os.path.join(self.get_activity_root(), 'instance', outfn) zf_new.write(fname.encode( "utf-8" ), new_file.encode( "utf-8" )) print 'rewriting', new_file os.remove(fname) zf_old.close() zf_new.close() os.remove(self.tempfile) self.tempfile = new_zipfile self.is_dirty = False def final_rewrite_zip(self): if self.annotations_dirty == False: return new_zipfile = os.path.join(self.get_activity_root(), 'instance', 'rewrite%i' % time.time()) print self.tempfile, new_zipfile zf_new = zipfile.ZipFile(new_zipfile, 'w') zf_old = zipfile.ZipFile(self.tempfile, 'r') image_files = zf_old.namelist() i = 0 while (i < len(image_files)): if (image_files[i] != 'annotations.pkl'): self.save_extracted_file(zf_old, image_files[i]) outfn = self.make_new_filename(image_files[i]) fname = os.path.join(self.get_activity_root(), 'instance', outfn) zf_new.write(fname.encode( "utf-8" ), outfn.encode( "utf-8" )) os.remove(fname) i = i + 1 zf_new.write(self.pickle_file_temp, 'annotations.pkl') zf_old.close() zf_new.close() os.remove(self.tempfile) self.tempfile = new_zipfile def buttonpress_cb(self, widget, event): print "got focus" widget.grab_focus() def __view_toolbar_go_fullscreen_cb(self, view_toolbar): self.fullscreen() def zoom_to_width(self): self.zoom_image_to_fit = False self.show_page(self.page) def zoom_to_fit(self): self.zoom_image_to_fit = True self.show_page(self.page) def keypress_cb(self, widget, event): "Respond when the user presses Escape or one of the arrow keys" if xopower.service_activated: xopower.reset_sleep_timer() keyname = Gdk.keyval_name(event.keyval) if keyname == 'Page_Up': self.previous_page() return True if keyname == 'Page_Down' : self.next_page() return True if keyname == 'KP_Right': self.scroll_down() return True if keyname == 'Down' or keyname == 'KP_Down': self.scroll_down() return True if keyname == 'Up' or keyname == 'KP_Up': self.scroll_up() return True if keyname == 'KP_Left': self.scroll_up() return True if keyname == 'plus': self.view_toolbar.enable_zoom_out() self.zoom_to_width() return True if keyname == 'minus': self.view_toolbar.enable_zoom_in() self.zoom_to_fit() return True return False def bookmarker_clicked(self, button): if button.get_active() == True: self.annotations.add_bookmark(self.page) else: self.annotations.remove_bookmark(self.page) self.show_bookmark_state(self.page) self.annotations_dirty = True def show_bookmark_state(self, page): bookmark = self.annotations.is_bookmarked(page) if bookmark == True: self.sidebar.show_bookmark_icon(True) self.update_bookmark_button(True) else: self.sidebar.show_bookmark_icon(False) self.update_bookmark_button(False) def prev_bookmark(self): textbuffer = self.annotation_textview.get_buffer() if self.annotations.add_note(self.page, textbuffer.get_text(textbuffer.get_start_iter(), textbuffer.get_end_iter(), include_hidden_chars=True)): self.annotations_dirty = True bookmarks = self.annotations.get_bookmarks() count = len(bookmarks) - 1 while count >= 0: if bookmarks[count] < self.page: self.page = bookmarks[count] self.show_page(self.page) self.set_current_page(self.page) return count = count - 1 # if we're before the first bookmark wrap to the last. if len(bookmarks) > 0: self.page = bookmarks[len(bookmarks) - 1] self.show_page(self.page) self.set_current_page(self.page) def next_bookmark(self): textbuffer = self.annotation_textview.get_buffer() if self.annotations.add_note(self.page, textbuffer.get_text(textbuffer.get_start_iter(), textbuffer.get_end_iter(), include_hidden_chars=True)): self.annotations_dirty = True bookmarks = self.annotations.get_bookmarks() count = 0 while count < len(bookmarks): if bookmarks[count] > self.page: self.page = bookmarks[count] self.show_page(self.page) self.set_current_page(self.page) return count = count + 1 # if we're after the last bookmark wrap to the first. if len(bookmarks) > 0: self.page = bookmarks[0] self.show_page(self.page) self.set_current_page(self.page) def scroll_down(self): v_adjustment = self.scrolled.get_vadjustment() if v_adjustment.get_value() == v_adjustment.get_upper() - v_adjustment.get_page_size(): self.next_page() return if v_adjustment.get_value() < v_adjustment.get_upper() - v_adjustment.get_page_size(): new_value = v_adjustment.get_value() + v_adjustment.get_step_increment() if new_value > v_adjustment.get_upper() - v_adjustment.get_page_size(): new_value = v_adjustment.get_upper() - v_adjustment.get_page_size() v_adjustment.set_value(new_value) def scroll_up(self): v_adjustment = self.scrolled.get_vadjustment() if v_adjustment.get_value() == v_adjustment.get_lower(): self.previous_page() return if v_adjustment.get_value() > v_adjustment.get_lower(): new_value = v_adjustment.get_value() - v_adjustment.get_step_increment() if new_value < v_adjustment.get_lower(): new_value = v_adjustment.get_lower() v_adjustment.set_value(new_value) def previous_page(self): textbuffer = self.annotation_textview.get_buffer() if self.annotations.add_note(self.page, textbuffer.get_text(textbuffer.get_start_iter(), textbuffer.get_end_iter(), include_hidden_chars=True)): self.annotations_dirty = True page = self.page page=page-1 if page < 0: page=0 if self.save_extracted_file(self.zf, self.image_files[page]) == True: fname = os.path.join(self.get_activity_root(), 'instance', self.make_new_filename(self.image_files[page])) self.show_image(fname) os.remove(fname) self.show_bookmark_state(page) v_adjustment = self.scrolled.get_vadjustment() v_adjustment.set_value(v_adjustment.get_upper() - v_adjustment.get_page_size()) self.set_current_page(page) self.page = page annotation_textbuffer = self.annotation_textview.get_buffer() annotation_textbuffer.set_text(self.annotations.get_note(page)) def set_current_page(self, page): self.page = page self.update_nav_buttons() def next_page(self): textbuffer = self.annotation_textview.get_buffer() if self.annotations.add_note(self.page, textbuffer.get_text(textbuffer.get_start_iter(), textbuffer.get_end_iter(), include_hidden_chars=False)): self.annotations_dirty = True page = self.page page = page + 1 if page >= len(self.image_files): page=len(self.image_files) - 1 if self.save_extracted_file(self.zf, self.image_files[page]) == True: fname = os.path.join(self.get_activity_root(), 'instance', self.make_new_filename(self.image_files[page])) self.show_image(fname) os.remove(fname) self.show_bookmark_state(page) v_adjustment = self.scrolled.get_vadjustment() v_adjustment.set_value(v_adjustment.get_lower()) self.set_current_page(page) self.page = page annotation_textbuffer = self.annotation_textview.get_buffer() annotation_textbuffer.set_text(self.annotations.get_note(page)) def area_expose_cb(self, area, event): screen_width = Gdk.Screen.width() screen_height = Gdk.Screen.height() if self.saved_screen_width != screen_width and self.saved_screen_width != 0: self.show_page(self.page) self.saved_screen_width = screen_width return False def show_page(self, page): self.show_bookmark_state(page) if self.save_extracted_file(self.zf, self.image_files[page]) == True: fname = os.path.join(self.get_activity_root(), 'instance', self.make_new_filename(self.image_files[page])) self.show_image(fname) os.remove(fname) annotation_textbuffer = self.annotation_textview.get_buffer() annotation_textbuffer.set_text(self.annotations.get_note(page)) def show_image(self, filename): "display a resized image in a full screen window" TOOLBOX_HEIGHT = 60 BORDER_WIDTH = 30 # get the size of the fullscreen display screen_width = Gdk.Screen.width() screen_width = screen_width - BORDER_WIDTH screen_height = Gdk.Screen.height() screen_height = screen_height - TOOLBOX_HEIGHT # get the size of the image. im = pygame.image.load(filename) image_width, image_height = im.get_size() getcontext().prec = 7 s_a_ratio = Decimal(screen_height) / Decimal(screen_width) i_a_ratio = Decimal(image_height) / Decimal(image_width) new_width = image_width new_height = image_height if self.zoom_image_to_fit == True: if s_a_ratio >= i_a_ratio: new_width = screen_width new_height = image_height * screen_width if image_width > 1: new_height /= image_width if new_height > screen_width: new_height *= screen_width if new_width > 1: new_height /= new_width new_width = screen_width else: new_height = screen_height new_width = image_width * screen_height if image_height > 1: new_width /= image_height if new_width > screen_height: new_width *= screen_height if new_height > 1: new_width /= new_height new_height = screen_height else: new_width = screen_width new_height = image_height * screen_width if image_width > 1: new_height /= image_width if new_height > screen_width: new_height *= screen_width if new_width > 1: new_height /= new_width new_width = screen_width pixbuf = GdkPixbuf.Pixbuf.new_from_file(filename) scaled_buf = pixbuf.scale_simple(new_width, new_height, GdkPixbuf.InterpType.BILINEAR) self.image.set_from_pixbuf(scaled_buf) self.image.show() def save_extracted_file(self, zipfile, filename): "Extract the file to a temp directory for viewing" try: filebytes = zipfile.read(filename) except BadZipfile, err: print 'Error opening the zip file: %s' % (err) return False except KeyError, err: self._alert('Key Error', 'Zipfile key not found: ' + str(filename)) return outfn = self.make_new_filename(filename) if (outfn == ''): return False fname = os.path.join(self.get_activity_root(), 'instance', outfn) f = open(fname, 'w') try: f.write(filebytes) finally: f.close return True def extract_pickle_file(self): "Extract the pickle file to an instance directory for viewing" try: self.zf.getinfo('annotations.pkl') filebytes = self.zf.read('annotations.pkl') f = open(self.pickle_file_temp, 'wb') try: f.write(filebytes) finally: f.close return True except KeyError: return False def read_file(self, file_path): """Load a file from the datastore on activity start""" tempfile = os.path.join(self.get_activity_root(), 'instance', 'tmp%i' % time.time()) os.link(file_path, tempfile) self.tempfile = tempfile self.get_saved_page_number() self._load_document(self.tempfile) def delete_cb(self, widget, event): os.remove(self.temp_filename) print 'deleted file', self.temp_filename return False def make_new_filename(self, filename): partition_tuple = filename.rpartition('/') return partition_tuple[2] def get_saved_page_number(self): title = self.metadata.get('title', '') if not title[len(title)- 1].isdigit(): self.page = 0 else: i = len(title) - 1 page = '' while (title[i].isdigit() and i > 0): page = title[i] + page i = i - 1 if title[i] == 'P': self.page = int(page) - 1 else: # not a page number; maybe a volume number. self.page = 0 def save_page_number(self): title = self.metadata.get('title', '') if not title[len(title)- 1].isdigit(): title = title + ' P' + str(self.page + 1) else: i = len(title) - 1 while (title[i].isdigit() and i > 0): i = i - 1 if title[i] == 'P': title = title[0:i] + 'P' + str(self.page + 1) else: title = title + ' P' + str(self.page + 1) self.metadata['title'] = title def _load_document(self, file_path): "Read the Zip file containing the images" if zipfile.is_zipfile(file_path): self.zf = zipfile.ZipFile(file_path, 'r') self.image_files = self.zf.namelist() self.image_files.sort() i = 0 valid_endings = ('.jpg', '.jpeg', '.JPEG', '.JPG', '.gif', '.GIF', '.tiff', '.TIFF', '.png', '.PNG') self.ls_left.clear() while i < len(self.image_files): newfn = self.make_new_filename(self.image_files[i]) if newfn.endswith(valid_endings): iter = self.ls_left.append() self.ls_left.set(iter, COLUMN_IMAGE, self.image_files[i], COLUMN_OLD_NAME, self.image_files[i]) i = i + 1 else: del self.image_files[i] self.extract_pickle_file() self.annotations.restore() self.show_page(self.page) self.set_total_pages(len(self.image_files)) self.set_current_page(self.page) if self.is_received_document == True: self.metadata['title'] = self.annotations.get_title() self.metadata['title_set_by_user'] = '1' # We've got the document, so if we're a shared activity, offer it if self.get_shared(): self.watch_for_tubes() self._share_document() else: print 'Not a zipfile', file_path self.tempfile = None def write_file(self, file_path): "Save meta data for the file." # Assign a file path to create if one doesn't exist yet if self.tempfile == None: self.tempfile = os.path.join(self.get_activity_root(), 'instance',\ 'tmp%i' % time.time()) if not os.path.exists(self.tempfile): zf = zipfile.ZipFile(self.tempfile, 'w') zf.writestr("filler.txt", "filler") zf.close() self.save_page_number() self.metadata['activity'] = self.get_bundle_id() self.metadata['mime_type'] = 'application/x-cbz' if self._close_requested: textbuffer = self.annotation_textview.get_buffer() if self.annotations.add_note(self.page, textbuffer.get_text(textbuffer.get_start_iter(), textbuffer.get_end_iter(), include_hidden_chars=True)): self.annotations_dirty = True title = self.metadata.get('title', '') self.annotations.set_title(str(title)) self.annotations.save() self.final_rewrite_zip() os.link(self.tempfile, file_path) _logger.debug("Removing temp file %s because we will close", self.tempfile) os.unlink(self.tempfile) os.remove(self.pickle_file_temp) self.tempfile = None self.pickle_file_temp = None def can_close(self): self._close_requested = True return True # The code from here on down is for sharing. def set_downloaded_bytes(self, bytes, total): fraction = float(bytes) / float(total) self.progressbar.set_fraction(fraction) def clear_downloaded_bytes(self): self.progressbar.set_fraction(0.0) def _download_result_cb(self, getter, tempfile, suggested_name, tube_id): if self._download_content_type == 'text/html': # got an error page instead self._download_error_cb(getter, 'HTTP Error', tube_id) return del self.unused_download_tubes self.tempfile = tempfile file_path = os.path.join(self.get_activity_root(), 'instance', '%i' % time.time()) _logger.debug("Saving file %s to datastore...", file_path) os.link(tempfile, file_path) self._jobject.file_path = file_path datastore.write(self._jobject, transfer_ownership=True) _logger.debug("Got document %s (%s) from tube %u", tempfile, suggested_name, tube_id) self._load_document(tempfile) self.save() self.progressbar.hide() def _download_progress_cb(self, getter, bytes_downloaded, tube_id): if self._download_content_length > 0: _logger.debug("Downloaded %u of %u bytes from tube %u...", bytes_downloaded, self._download_content_length, tube_id) else: _logger.debug("Downloaded %u bytes from tube %u...", bytes_downloaded, tube_id) total = self._download_content_length self.set_downloaded_bytes(bytes_downloaded, total) Gdk.threads_enter() while Gtk.events_pending(): Gtk.main_iteration() Gdk.threads_leave() def _download_error_cb(self, getter, err, tube_id): self.progressbar.hide() _logger.debug("Error getting document from tube %u: %s", tube_id, err) self._alert('Failure', 'Error getting document from tube') self._want_document = True self._download_content_length = 0 self._download_content_type = None GObject.idle_add(self._get_document) def _download_document(self, tube_id, path): # FIXME: should ideally have the CM listen on a Unix socket # instead of IPv4 (might be more compatible with Rainbow) chan = self._shared_activity.telepathy_tubes_chan iface = chan[telepathy.CHANNEL_TYPE_TUBES] addr = iface.AcceptStreamTube(tube_id, telepathy.SOCKET_ADDRESS_TYPE_IPV4, telepathy.SOCKET_ACCESS_CONTROL_LOCALHOST, 0, utf8_strings=True) _logger.debug('Accepted stream tube: listening address is %r', addr) # SOCKET_ADDRESS_TYPE_IPV4 is defined to have addresses of type '(sq)' assert isinstance(addr, dbus.Struct) assert len(addr) == 2 assert isinstance(addr[0], str) assert isinstance(addr[1], (int, long)) assert addr[1] > 0 and addr[1] < 65536 port = int(addr[1]) getter = ReadURLDownloader("http://%s:%d/document" % (addr[0], port)) getter.connect("finished", self._download_result_cb, tube_id) getter.connect("progress", self._download_progress_cb, tube_id) getter.connect("error", self._download_error_cb, tube_id) _logger.debug("Starting download to %s...", path) getter.start(path) self._download_content_length = getter.get_content_length() self._download_content_type = getter.get_content_type() return False def _get_document(self): if not self._want_document: return False # Assign a file path to download if one doesn't exist yet if not self._jobject.file_path: path = os.path.join(self.get_activity_root(), 'instance', 'tmp%i' % time.time()) else: path = self._jobject.file_path # Pick an arbitrary tube we can try to download the document from try: tube_id = self.unused_download_tubes.pop() except (ValueError, KeyError), e: _logger.debug('No tubes to get the document from right now: %s', e) return False # Avoid trying to download the document multiple times at once self._want_document = False self.progressbar.show() GObject.idle_add(self._download_document, tube_id, path) return False def _joined_cb(self, also_self): """Callback for when a shared activity is joined. Get the shared document from another participant. """ self.watch_for_tubes() GObject.idle_add(self._get_document) def _share_document(self): """Share the document.""" # FIXME: should ideally have the fileserver listen on a Unix socket # instead of IPv4 (might be more compatible with Rainbow) _logger.debug('Starting HTTP server on port %d', self.port) self._fileserver = ReadHTTPServer(("", self.port), self.tempfile) # Make a tube for it chan = self._shared_activity.telepathy_tubes_chan iface = chan[telepathy.CHANNEL_TYPE_TUBES] self._fileserver_tube_id = iface.OfferStreamTube(READ_STREAM_SERVICE, {}, telepathy.SOCKET_ADDRESS_TYPE_IPV4, ('127.0.0.1', dbus.UInt16(self.port)), telepathy.SOCKET_ACCESS_CONTROL_LOCALHOST, 0) def watch_for_tubes(self): """Watch for new tubes.""" tubes_chan = self._shared_activity.telepathy_tubes_chan tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal('NewTube', self._new_tube_cb) tubes_chan[telepathy.CHANNEL_TYPE_TUBES].ListTubes( reply_handler=self._list_tubes_reply_cb, error_handler=self._list_tubes_error_cb) def _new_tube_cb(self, tube_id, initiator, tube_type, service, params, state): """Callback when a new tube becomes available.""" _logger.debug('New tube: ID=%d initator=%d type=%d service=%s ' 'params=%r state=%d', tube_id, initiator, tube_type, service, params, state) if service == READ_STREAM_SERVICE: _logger.debug('I could download from that tube') self.unused_download_tubes.add(tube_id) # if no download is in progress, let's fetch the document if self._want_document: GObject.idle_add(self._get_document) def _list_tubes_reply_cb(self, tubes): """Callback when new tubes are available.""" for tube_info in tubes: self._new_tube_cb(*tube_info) def _list_tubes_error_cb(self, e): """Handle ListTubes error by logging.""" _logger.error('ListTubes() failed: %s', e) def _shared_cb(self, activityid): """Callback when activity shared. Set up to share the document. """ # We initiated this activity and have now shared it, so by # definition we have the file. _logger.debug('Activity became shared') self.watch_for_tubes() self._share_document() def _alert(self, title, text=None): alert = NotifyAlert(timeout=15) alert.props.title = title alert.props.msg = text self.add_alert(alert) alert.connect('response', self._alert_cancel_cb) alert.show() def _alert_cancel_cb(self, alert, response_id): self.remove_alert(alert) # From here down is power management stuff. def _now_active_cb(self, widget, pspec): if self.props.active: # Now active, start initial suspend timeout xopower.reset_sleep_timer() xopower.sleep_inhibit = False else: # Now inactive xopower.sleep_inhibit = True def _focus_in_event_cb(self, widget, event): xopower.turn_on_sleep_timer() def _focus_out_event_cb(self, widget, event): xopower.turn_off_sleep_timer() def _user_action_cb(self, widget): xopower.reset_sleep_timer() def _suspend_cb(self): xopower.suspend() return False