Add page_ready signal to notify that page is ready as soon as possible

Add page_ready signal to notify that page is ready as soon as possible

2007-07-26  Carlos Garcia Campos  <carlosgc@gnome.org>
	* shell/ev-pixbuf-cache.c: (job_page_ready_cb), (job_finished_cb),
	(copy_job_page_and_selection_to_job_info), (copy_job_to_job_info),
	(add_job), (ev_pixbuf_cache_get_surface),
	(ev_pixbuf_cache_get_link_mapping),
	(ev_pixbuf_cache_get_image_mapping),
	(ev_pixbuf_cache_get_form_field_mapping),
	(ev_pixbuf_cache_get_text_mapping):
	* shell/ev-jobs.[ch]: (ev_job_render_class_init),
	(notify_page_ready), (ev_job_render_page_ready),
	(ev_job_render_run):
	Add page_ready signal to notify that page is ready as soon as
	possible even if other page elements like links, forms, images or
	text mapping are not ready yet.

svn path=/trunk/; revision=2581