/* this file is part of evince, a gnome document viewer * * Copyright (C) 2008 Carlos Garcia Campos * Copyright (C) 2005 Red Hat, Inc * * Evince 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. * * Evince 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ #include #include "ev-jobs.h" #include "ev-document-thumbnails.h" #include "ev-document-links.h" #include "ev-document-images.h" #include "ev-document-forms.h" #include "ev-file-exporter.h" #include "ev-document-factory.h" #include "ev-document-misc.h" #include "ev-file-helpers.h" #include "ev-document-fonts.h" #include "ev-document-security.h" #include "ev-document-find.h" #include "ev-document-layers.h" #include "ev-debug.h" #include #include #include #include static void ev_job_init (EvJob *job); static void ev_job_class_init (EvJobClass *class); static void ev_job_links_init (EvJobLinks *job); static void ev_job_links_class_init (EvJobLinksClass *class); static void ev_job_attachments_init (EvJobAttachments *job); static void ev_job_attachments_class_init (EvJobAttachmentsClass *class); static void ev_job_render_init (EvJobRender *job); static void ev_job_render_class_init (EvJobRenderClass *class); static void ev_job_thumbnail_init (EvJobThumbnail *job); static void ev_job_thumbnail_class_init (EvJobThumbnailClass *class); static void ev_job_load_init (EvJobLoad *job); static void ev_job_load_class_init (EvJobLoadClass *class); static void ev_job_save_init (EvJobSave *job); static void ev_job_save_class_init (EvJobSaveClass *class); static void ev_job_find_init (EvJobFind *job); static void ev_job_find_class_init (EvJobFindClass *class); static void ev_job_layers_init (EvJobLayers *job); static void ev_job_layers_class_init (EvJobLayersClass *class); static void ev_job_export_init (EvJobExport *job); static void ev_job_export_class_init (EvJobExportClass *class); enum { CANCELLED, FINISHED, LAST_SIGNAL }; enum { PAGE_READY, RENDER_LAST_SIGNAL }; enum { FONTS_UPDATED, FONTS_LAST_SIGNAL }; enum { FIND_UPDATED, FIND_LAST_SIGNAL }; static guint job_signals[LAST_SIGNAL] = { 0 }; static guint job_render_signals[RENDER_LAST_SIGNAL] = { 0 }; static guint job_fonts_signals[FONTS_LAST_SIGNAL] = { 0 }; static guint job_find_signals[FIND_LAST_SIGNAL] = { 0 }; G_DEFINE_ABSTRACT_TYPE (EvJob, ev_job, G_TYPE_OBJECT) G_DEFINE_TYPE (EvJobLinks, ev_job_links, EV_TYPE_JOB) G_DEFINE_TYPE (EvJobAttachments, ev_job_attachments, EV_TYPE_JOB) G_DEFINE_TYPE (EvJobRender, ev_job_render, EV_TYPE_JOB) G_DEFINE_TYPE (EvJobThumbnail, ev_job_thumbnail, EV_TYPE_JOB) G_DEFINE_TYPE (EvJobFonts, ev_job_fonts, EV_TYPE_JOB) G_DEFINE_TYPE (EvJobLoad, ev_job_load, EV_TYPE_JOB) G_DEFINE_TYPE (EvJobSave, ev_job_save, EV_TYPE_JOB) G_DEFINE_TYPE (EvJobFind, ev_job_find, EV_TYPE_JOB) G_DEFINE_TYPE (EvJobLayers, ev_job_layers, EV_TYPE_JOB) G_DEFINE_TYPE (EvJobExport, ev_job_export, EV_TYPE_JOB) /* EvJob */ static void ev_job_init (EvJob *job) { job->cancellable = g_cancellable_new (); } static void ev_job_dispose (GObject *object) { EvJob *job; job = EV_JOB (object); if (job->document) { g_object_unref (job->document); job->document = NULL; } if (job->cancellable) { g_object_unref (job->cancellable); job->cancellable = NULL; } if (job->error) { g_error_free (job->error); job->error = NULL; } (* G_OBJECT_CLASS (ev_job_parent_class)->dispose) (object); } static void ev_job_class_init (EvJobClass *class) { GObjectClass *oclass; oclass = G_OBJECT_CLASS (class); oclass->dispose = ev_job_dispose; job_signals[CANCELLED] = g_signal_new ("cancelled", EV_TYPE_JOB, G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EvJobClass, cancelled), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); job_signals [FINISHED] = g_signal_new ("finished", EV_TYPE_JOB, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (EvJobClass, finished), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); } static gboolean emit_finished (EvJob *job) { ev_debug_message (DEBUG_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); job->idle_finished_id = 0; if (job->cancelled) { ev_debug_message (DEBUG_JOBS, "%s (%p) job was cancelled, do not emit finished", EV_GET_TYPE_NAME (job), job); } else { ev_profiler_stop (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); g_signal_emit (job, job_signals[FINISHED], 0); } return FALSE; } static void ev_job_emit_finished (EvJob *job) { ev_debug_message (DEBUG_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); if (g_cancellable_is_cancelled (job->cancellable)) { ev_debug_message (DEBUG_JOBS, "%s (%p) job was cancelled, returning", EV_GET_TYPE_NAME (job), job); return; } job->finished = TRUE; if (job->run_mode == EV_JOB_RUN_THREAD) { job->idle_finished_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, (GSourceFunc)emit_finished, g_object_ref (job), (GDestroyNotify)g_object_unref); } else { ev_profiler_stop (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); g_signal_emit (job, job_signals[FINISHED], 0); } } gboolean ev_job_run (EvJob *job) { EvJobClass *class = EV_JOB_GET_CLASS (job); return class->run (job); } void ev_job_cancel (EvJob *job) { if (job->cancelled || (job->finished && job->idle_finished_id == 0)) return; ev_debug_message (DEBUG_JOBS, "job %s (%p) cancelled", EV_GET_TYPE_NAME (job), job); ev_profiler_stop (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); /* This should never be called from a thread */ job->cancelled = TRUE; g_cancellable_cancel (job->cancellable); g_signal_emit (job, job_signals[CANCELLED], 0); } void ev_job_failed (EvJob *job, GQuark domain, gint code, const gchar *format, ...) { va_list args; gchar *message; if (job->failed || job->finished) return; ev_debug_message (DEBUG_JOBS, "job %s (%p) failed", EV_GET_TYPE_NAME (job), job); job->failed = TRUE; va_start (args, format); message = g_strdup_vprintf (format, args); va_end (args); job->error = g_error_new_literal (domain, code, message); g_free (message); ev_job_emit_finished (job); } void ev_job_failed_from_error (EvJob *job, GError *error) { if (job->failed || job->finished) return; ev_debug_message (DEBUG_JOBS, "job %s (%p) failed", EV_GET_TYPE_NAME (job), job); job->failed = TRUE; job->error = g_error_copy (error); ev_job_emit_finished (job); } void ev_job_succeeded (EvJob *job) { if (job->finished) return; ev_debug_message (DEBUG_JOBS, "job %s (%p) succeeded", EV_GET_TYPE_NAME (job), job); job->failed = FALSE; ev_job_emit_finished (job); } gboolean ev_job_is_finished (EvJob *job) { return job->finished; } gboolean ev_job_is_failed (EvJob *job) { return job->failed; } EvJobRunMode ev_job_get_run_mode (EvJob *job) { return job->run_mode; } void ev_job_set_run_mode (EvJob *job, EvJobRunMode run_mode) { job->run_mode = run_mode; } /* EvJobLinks */ static void ev_job_links_init (EvJobLinks *job) { EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; } static void ev_job_links_dispose (GObject *object) { EvJobLinks *job; ev_debug_message (DEBUG_JOBS, NULL); job = EV_JOB_LINKS (object); if (job->model) { g_object_unref (job->model); job->model = NULL; } (* G_OBJECT_CLASS (ev_job_links_parent_class)->dispose) (object); } static gboolean ev_job_links_run (EvJob *job) { EvJobLinks *job_links = EV_JOB_LINKS (job); ev_debug_message (DEBUG_JOBS, NULL); ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); ev_document_doc_mutex_lock (); job_links->model = ev_document_links_get_links_model (EV_DOCUMENT_LINKS (job->document)); ev_document_doc_mutex_unlock (); ev_job_succeeded (job); return FALSE; } static void ev_job_links_class_init (EvJobLinksClass *class) { GObjectClass *oclass = G_OBJECT_CLASS (class); EvJobClass *job_class = EV_JOB_CLASS (class); oclass->dispose = ev_job_links_dispose; job_class->run = ev_job_links_run; } EvJob * ev_job_links_new (EvDocument *document) { EvJob *job; ev_debug_message (DEBUG_JOBS, NULL); job = g_object_new (EV_TYPE_JOB_LINKS, NULL); job->document = g_object_ref (document); return job; } /* EvJobAttachments */ static void ev_job_attachments_init (EvJobAttachments *job) { EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; } static void ev_job_attachments_dispose (GObject *object) { EvJobAttachments *job; ev_debug_message (DEBUG_JOBS, NULL); job = EV_JOB_ATTACHMENTS (object); if (job->attachments) { g_list_foreach (job->attachments, (GFunc)g_object_unref, NULL); g_list_free (job->attachments); job->attachments = NULL; } (* G_OBJECT_CLASS (ev_job_attachments_parent_class)->dispose) (object); } static gboolean ev_job_attachments_run (EvJob *job) { EvJobAttachments *job_attachments = EV_JOB_ATTACHMENTS (job); ev_debug_message (DEBUG_JOBS, NULL); ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); ev_document_doc_mutex_lock (); job_attachments->attachments = ev_document_get_attachments (job->document); ev_document_doc_mutex_unlock (); ev_job_succeeded (job); return FALSE; } static void ev_job_attachments_class_init (EvJobAttachmentsClass *class) { GObjectClass *oclass = G_OBJECT_CLASS (class); EvJobClass *job_class = EV_JOB_CLASS (class); oclass->dispose = ev_job_attachments_dispose; job_class->run = ev_job_attachments_run; } EvJob * ev_job_attachments_new (EvDocument *document) { EvJob *job; ev_debug_message (DEBUG_JOBS, NULL); job = g_object_new (EV_TYPE_JOB_ATTACHMENTS, NULL); job->document = g_object_ref (document); return job; } /* EvJobRender */ static void ev_job_render_init (EvJobRender *job) { EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; } static void ev_job_render_dispose (GObject *object) { EvJobRender *job; job = EV_JOB_RENDER (object); if (job->ev_page) { ev_debug_message (DEBUG_JOBS, "page: %d (%p)", job->ev_page->index, job); g_object_unref (job->ev_page); job->ev_page = NULL; } if (job->surface) { cairo_surface_destroy (job->surface); job->surface = NULL; } if (job->selection) { cairo_surface_destroy (job->selection); job->selection = NULL; } if (job->selection_region) { gdk_region_destroy (job->selection_region); job->selection_region = NULL; } (* G_OBJECT_CLASS (ev_job_render_parent_class)->dispose) (object); } static gboolean notify_page_ready (EvJobRender *job) { ev_debug_message (DEBUG_JOBS, "%d (%p)", job->ev_page->index, job); ev_profiler_stop (EV_PROFILE_JOBS, "Rendering page %d", job->ev_page->index); if (EV_JOB (job)->cancelled) { ev_debug_message (DEBUG_JOBS, "%s (%p) job was cancelled, do not emit page_ready", EV_GET_TYPE_NAME (job), job); } else { g_signal_emit (job, job_render_signals[PAGE_READY], 0); } return FALSE; } static void ev_job_render_page_ready (EvJobRender *job) { ev_debug_message (DEBUG_JOBS, "%d (%p)", job->ev_page->index, job); job->page_ready = TRUE; g_idle_add_full (G_PRIORITY_HIGH_IDLE, (GSourceFunc)notify_page_ready, g_object_ref (job), (GDestroyNotify)g_object_unref); } static gboolean ev_job_render_run (EvJob *job) { EvJobRender *job_render = EV_JOB_RENDER (job); EvRenderContext *rc; ev_debug_message (DEBUG_JOBS, "page: %d (%p)", job_render->page, job); ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); ev_document_doc_mutex_lock (); ev_profiler_start (EV_PROFILE_JOBS, "Rendering page %d", job_render->page); ev_document_fc_mutex_lock (); job_render->ev_page = ev_document_get_page (job->document, job_render->page); rc = ev_render_context_new (job_render->ev_page, job_render->rotation, job_render->scale); job_render->surface = ev_document_render (job->document, rc); /* If job was cancelled during the page rendering, * we return now, so that the thread is finished ASAP */ if (g_cancellable_is_cancelled (job->cancellable)) { ev_document_fc_mutex_unlock (); ev_document_doc_mutex_unlock (); g_object_unref (rc); return FALSE; } if ((job_render->flags & EV_RENDER_INCLUDE_SELECTION) && EV_IS_SELECTION (job->document)) { ev_selection_render_selection (EV_SELECTION (job->document), rc, &(job_render->selection), &(job_render->selection_points), NULL, job_render->selection_style, &(job_render->text), &(job_render->base)); job_render->selection_region = ev_selection_get_selection_region (EV_SELECTION (job->document), rc, job_render->selection_style, &(job_render->selection_points)); } ev_job_render_page_ready (job_render); ev_document_fc_mutex_unlock (); if ((job_render->flags & EV_RENDER_INCLUDE_TEXT) && EV_IS_SELECTION (job->document)) job_render->text_mapping = ev_selection_get_selection_map (EV_SELECTION (job->document), rc); if ((job_render->flags & EV_RENDER_INCLUDE_LINKS) && EV_IS_DOCUMENT_LINKS (job->document)) job_render->link_mapping = ev_document_links_get_links (EV_DOCUMENT_LINKS (job->document), job_render->page); if ((job_render->flags & EV_RENDER_INCLUDE_FORMS) && EV_IS_DOCUMENT_FORMS (job->document)) job_render->form_field_mapping = ev_document_forms_get_form_fields (EV_DOCUMENT_FORMS (job->document), job_render->ev_page); if ((job_render->flags & EV_RENDER_INCLUDE_IMAGES) && EV_IS_DOCUMENT_IMAGES (job->document)) job_render->image_mapping = ev_document_images_get_image_mapping (EV_DOCUMENT_IMAGES (job->document), job_render->page); g_object_unref (rc); ev_document_doc_mutex_unlock (); ev_job_succeeded (job); return FALSE; } static void ev_job_render_class_init (EvJobRenderClass *class) { GObjectClass *oclass = G_OBJECT_CLASS (class); EvJobClass *job_class = EV_JOB_CLASS (class); job_render_signals [PAGE_READY] = g_signal_new ("page-ready", EV_TYPE_JOB_RENDER, G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EvJobRenderClass, page_ready), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); oclass->dispose = ev_job_render_dispose; job_class->run = ev_job_render_run; } EvJob * ev_job_render_new (EvDocument *document, gint page, gint rotation, gdouble scale, gint width, gint height, EvRenderFlags flags) { EvJobRender *job; ev_debug_message (DEBUG_JOBS, "page: %d", page); job = g_object_new (EV_TYPE_JOB_RENDER, NULL); EV_JOB (job)->document = g_object_ref (document); job->page = page; job->rotation = rotation; job->scale = scale; job->target_width = width; job->target_height = height; job->flags = flags; return EV_JOB (job); } void ev_job_render_set_selection_info (EvJobRender *job, EvRectangle *selection_points, EvSelectionStyle selection_style, GdkColor *text, GdkColor *base) { job->flags |= EV_RENDER_INCLUDE_SELECTION; job->selection_points = *selection_points; job->selection_style = selection_style; job->text = *text; job->base = *base; } /* EvJobThumbnail */ static void ev_job_thumbnail_init (EvJobThumbnail *job) { EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; } static void ev_job_thumbnail_dispose (GObject *object) { EvJobThumbnail *job; job = EV_JOB_THUMBNAIL (object); ev_debug_message (DEBUG_JOBS, "%d (%p)", job->page, job); if (job->thumbnail) { g_object_unref (job->thumbnail); job->thumbnail = NULL; } (* G_OBJECT_CLASS (ev_job_thumbnail_parent_class)->dispose) (object); } static gboolean ev_job_thumbnail_run (EvJob *job) { EvJobThumbnail *job_thumb = EV_JOB_THUMBNAIL (job); EvRenderContext *rc; EvPage *page; ev_debug_message (DEBUG_JOBS, "%d (%p)", job_thumb->page, job); ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); ev_document_doc_mutex_lock (); page = ev_document_get_page (job->document, job_thumb->page); rc = ev_render_context_new (page, job_thumb->rotation, job_thumb->scale); g_object_unref (page); job_thumb->thumbnail = ev_document_thumbnails_get_thumbnail (EV_DOCUMENT_THUMBNAILS (job->document), rc, TRUE); g_object_unref (rc); ev_document_doc_mutex_unlock (); ev_job_succeeded (job); return FALSE; } static void ev_job_thumbnail_class_init (EvJobThumbnailClass *class) { GObjectClass *oclass = G_OBJECT_CLASS (class); EvJobClass *job_class = EV_JOB_CLASS (class); oclass->dispose = ev_job_thumbnail_dispose; job_class->run = ev_job_thumbnail_run; } EvJob * ev_job_thumbnail_new (EvDocument *document, gint page, gint rotation, gdouble scale) { EvJobThumbnail *job; ev_debug_message (DEBUG_JOBS, "%d", page); job = g_object_new (EV_TYPE_JOB_THUMBNAIL, NULL); EV_JOB (job)->document = g_object_ref (document); job->page = page; job->rotation = rotation; job->scale = scale; return EV_JOB (job); } /* EvJobFonts */ static void ev_job_fonts_init (EvJobFonts *job) { EV_JOB (job)->run_mode = EV_JOB_RUN_MAIN_LOOP; } static gboolean ev_job_fonts_run (EvJob *job) { EvJobFonts *job_fonts = EV_JOB_FONTS (job); EvDocumentFonts *fonts = EV_DOCUMENT_FONTS (job->document); ev_debug_message (DEBUG_JOBS, NULL); /* Do not block the main loop */ if (!ev_document_doc_mutex_trylock ()) return TRUE; if (!ev_document_fc_mutex_trylock ()) return TRUE; #ifdef EV_ENABLE_DEBUG /* We use the #ifdef in this case because of the if */ if (ev_document_fonts_get_progress (fonts) == 0) ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); #endif job_fonts->scan_completed = !ev_document_fonts_scan (fonts, 20); g_signal_emit (job_fonts, job_fonts_signals[FONTS_UPDATED], 0, ev_document_fonts_get_progress (fonts)); ev_document_fc_mutex_unlock (); ev_document_doc_mutex_unlock (); if (job_fonts->scan_completed) ev_job_succeeded (job); return !job_fonts->scan_completed; } static void ev_job_fonts_class_init (EvJobFontsClass *class) { EvJobClass *job_class = EV_JOB_CLASS (class); job_class->run = ev_job_fonts_run; job_fonts_signals[FONTS_UPDATED] = g_signal_new ("updated", EV_TYPE_JOB_FONTS, G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EvJobFontsClass, updated), NULL, NULL, g_cclosure_marshal_VOID__DOUBLE, G_TYPE_NONE, 1, G_TYPE_DOUBLE); } EvJob * ev_job_fonts_new (EvDocument *document) { EvJobFonts *job; ev_debug_message (DEBUG_JOBS, NULL); job = g_object_new (EV_TYPE_JOB_FONTS, NULL); EV_JOB (job)->document = g_object_ref (document); return EV_JOB (job); } /* EvJobLoad */ static void ev_job_load_init (EvJobLoad *job) { EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; } static void ev_job_load_dispose (GObject *object) { EvJobLoad *job = EV_JOB_LOAD (object); ev_debug_message (DEBUG_JOBS, "%s", job->uri); if (job->uri) { g_free (job->uri); job->uri = NULL; } if (job->password) { g_free (job->password); job->password = NULL; } (* G_OBJECT_CLASS (ev_job_load_parent_class)->dispose) (object); } static gboolean ev_job_load_run (EvJob *job) { EvJobLoad *job_load = EV_JOB_LOAD (job); GError *error = NULL; ev_debug_message (DEBUG_JOBS, "%s", job_load->uri); ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); ev_document_fc_mutex_lock (); /* This job may already have a document even if the job didn't complete because, e.g., a password is required - if so, just reload rather than creating a new instance */ if (job->document) { if (job_load->password) { ev_document_security_set_password (EV_DOCUMENT_SECURITY (job->document), job_load->password); } job->failed = FALSE; job->finished = FALSE; g_clear_error (&job->error); ev_document_load (job->document, job_load->uri, &error); } else { job->document = ev_document_factory_get_document (job_load->uri, &error); } ev_document_fc_mutex_unlock (); if (error) { ev_job_failed_from_error (job, error); g_error_free (error); } else { ev_job_succeeded (job); } return FALSE; } static void ev_job_load_class_init (EvJobLoadClass *class) { GObjectClass *oclass = G_OBJECT_CLASS (class); EvJobClass *job_class = EV_JOB_CLASS (class); oclass->dispose = ev_job_load_dispose; job_class->run = ev_job_load_run; } EvJob * ev_job_load_new (const gchar *uri) { EvJobLoad *job; ev_debug_message (DEBUG_JOBS, "%s", uri); job = g_object_new (EV_TYPE_JOB_LOAD, NULL); job->uri = g_strdup (uri); return EV_JOB (job); } void ev_job_load_set_uri (EvJobLoad *job, const gchar *uri) { ev_debug_message (DEBUG_JOBS, "%s", uri); if (job->uri) g_free (job->uri); job->uri = g_strdup (uri); } void ev_job_load_set_password (EvJobLoad *job, const gchar *password) { ev_debug_message (DEBUG_JOBS, NULL); if (job->password) g_free (job->password); job->password = password ? g_strdup (password) : NULL; } /* EvJobSave */ static void ev_job_save_init (EvJobSave *job) { EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; } static void ev_job_save_dispose (GObject *object) { EvJobSave *job = EV_JOB_SAVE (object); ev_debug_message (DEBUG_JOBS, "%s", job->uri); if (job->uri) { g_free (job->uri); job->uri = NULL; } if (job->document_uri) { g_free (job->document_uri); job->document_uri = NULL; } (* G_OBJECT_CLASS (ev_job_save_parent_class)->dispose) (object); } static gboolean ev_job_save_run (EvJob *job) { EvJobSave *job_save = EV_JOB_SAVE (job); gint fd; gchar *filename; gchar *tmp_filename; gchar *local_uri; GError *error = NULL; ev_debug_message (DEBUG_JOBS, "uri: %s, document_uri: %s", job_save->uri, job_save->document_uri); ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); filename = ev_tmp_filename ("saveacopy"); tmp_filename = g_strdup_printf ("%s.XXXXXX", filename); g_free (filename); fd = g_mkstemp (tmp_filename); if (fd == -1) { gchar *display_name; gint save_errno = errno; display_name = g_filename_display_name (tmp_filename); ev_job_failed (job, G_FILE_ERROR, g_file_error_from_errno (save_errno), _("Failed to create file “%s”: %s"), display_name, g_strerror (save_errno)); g_free (display_name); g_free (tmp_filename); return FALSE; } ev_document_doc_mutex_lock (); /* Save document to temp filename */ local_uri = g_filename_to_uri (tmp_filename, NULL, NULL); ev_document_save (job->document, local_uri, &error); close (fd); ev_document_doc_mutex_unlock (); if (error) { g_free (local_uri); ev_job_failed_from_error (job, error); g_error_free (error); return FALSE; } /* If original document was compressed, * compress it again before saving */ if (g_object_get_data (G_OBJECT (job->document), "uri-uncompressed")) { EvCompressionType ctype = EV_COMPRESSION_NONE; const gchar *ext; gchar *uri_comp; ext = g_strrstr (job_save->document_uri, ".gz"); if (ext && g_ascii_strcasecmp (ext, ".gz") == 0) ctype = EV_COMPRESSION_GZIP; ext = g_strrstr (job_save->document_uri, ".bz2"); if (ext && g_ascii_strcasecmp (ext, ".bz2") == 0) ctype = EV_COMPRESSION_BZIP2; uri_comp = ev_file_compress (local_uri, ctype, &error); g_free (local_uri); ev_tmp_filename_unlink (tmp_filename); if (!uri_comp || error) { local_uri = NULL; } else { local_uri = uri_comp; } } g_free (tmp_filename); if (error) { g_free (local_uri); ev_job_failed_from_error (job, error); g_error_free (error); return FALSE; } if (!local_uri) return FALSE; ev_xfer_uri_simple (local_uri, job_save->uri, &error); ev_tmp_uri_unlink (local_uri); if (error) { ev_job_failed_from_error (job, error); g_error_free (error); } else { ev_job_succeeded (job); } return FALSE; } static void ev_job_save_class_init (EvJobSaveClass *class) { GObjectClass *oclass = G_OBJECT_CLASS (class); EvJobClass *job_class = EV_JOB_CLASS (class); oclass->dispose = ev_job_save_dispose; job_class->run = ev_job_save_run; } EvJob * ev_job_save_new (EvDocument *document, const gchar *uri, const gchar *document_uri) { EvJobSave *job; ev_debug_message (DEBUG_JOBS, "uri: %s, document_uri: %s", uri, document_uri); job = g_object_new (EV_TYPE_JOB_SAVE, NULL); EV_JOB (job)->document = g_object_ref (document); job->uri = g_strdup (uri); job->document_uri = g_strdup (document_uri); return EV_JOB (job); } /* EvJobFind */ static void ev_job_find_init (EvJobFind *job) { EV_JOB (job)->run_mode = EV_JOB_RUN_MAIN_LOOP; } static void ev_job_find_dispose (GObject *object) { EvJobFind *job = EV_JOB_FIND (object); ev_debug_message (DEBUG_JOBS, NULL); if (job->text) { g_free (job->text); job->text = NULL; } if (job->pages) { gint i; for (i = 0; i < job->n_pages; i++) { g_list_foreach (job->pages[i], (GFunc)g_free, NULL); g_list_free (job->pages[i]); } g_free (job->pages); job->pages = NULL; } (* G_OBJECT_CLASS (ev_job_find_parent_class)->dispose) (object); } static gboolean ev_job_find_run (EvJob *job) { EvJobFind *job_find = EV_JOB_FIND (job); EvDocumentFind *find = EV_DOCUMENT_FIND (job->document); EvPage *ev_page; GList *matches; ev_debug_message (DEBUG_JOBS, NULL); /* Do not block the main loop */ if (!ev_document_doc_mutex_trylock ()) return TRUE; #ifdef EV_ENABLE_DEBUG /* We use the #ifdef in this case because of the if */ if (job_find->current_page == job_find->start_page) ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); #endif ev_page = ev_document_get_page (job->document, job_find->current_page); matches = ev_document_find_find_text (find, ev_page, job_find->text, job_find->case_sensitive); g_object_unref (ev_page); ev_document_doc_mutex_unlock (); if (!job_find->has_results) job_find->has_results = (matches != NULL); job_find->pages[job_find->current_page] = matches; g_signal_emit (job_find, job_find_signals[FIND_UPDATED], 0, job_find->current_page); job_find->current_page = (job_find->current_page + 1) % job_find->n_pages; if (job_find->current_page == job_find->start_page) { ev_job_succeeded (job); return FALSE; } return TRUE; } static void ev_job_find_class_init (EvJobFindClass *class) { EvJobClass *job_class = EV_JOB_CLASS (class); GObjectClass *gobject_class = G_OBJECT_CLASS (class); job_class->run = ev_job_find_run; gobject_class->dispose = ev_job_find_dispose; job_find_signals[FIND_UPDATED] = g_signal_new ("updated", EV_TYPE_JOB_FIND, G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EvJobFindClass, updated), NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); } EvJob * ev_job_find_new (EvDocument *document, gint start_page, gint n_pages, const gchar *text, gboolean case_sensitive) { EvJobFind *job; ev_debug_message (DEBUG_JOBS, NULL); job = g_object_new (EV_TYPE_JOB_FIND, NULL); EV_JOB (job)->document = g_object_ref (document); job->start_page = start_page; job->current_page = start_page; job->n_pages = n_pages; job->pages = g_new0 (GList *, n_pages); job->text = g_strdup (text); job->case_sensitive = case_sensitive; job->has_results = FALSE; return EV_JOB (job); } gint ev_job_find_get_n_results (EvJobFind *job, gint page) { return g_list_length (job->pages[page]); } gdouble ev_job_find_get_progress (EvJobFind *job) { gint pages_done; if (ev_job_is_finished (EV_JOB (job))) return 1.0; if (job->current_page > job->start_page) { pages_done = job->current_page - job->start_page + 1; } else if (job->current_page == job->start_page) { pages_done = job->n_pages; } else { pages_done = job->n_pages - job->start_page + job->current_page; } return pages_done / (gdouble) job->n_pages; } gboolean ev_job_find_has_results (EvJobFind *job) { return job->has_results; } GList ** ev_job_find_get_results (EvJobFind *job) { return job->pages; } /* EvJobLayers */ static void ev_job_layers_init (EvJobLayers *job) { EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; } static void ev_job_layers_dispose (GObject *object) { EvJobLayers *job; ev_debug_message (DEBUG_JOBS, NULL); job = EV_JOB_LAYERS (object); if (job->model) { g_object_unref (job->model); job->model = NULL; } (* G_OBJECT_CLASS (ev_job_layers_parent_class)->dispose) (object); } static gboolean ev_job_layers_run (EvJob *job) { EvJobLayers *job_layers = EV_JOB_LAYERS (job); ev_debug_message (DEBUG_JOBS, NULL); ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); ev_document_doc_mutex_lock (); job_layers->model = ev_document_layers_get_layers (EV_DOCUMENT_LAYERS (job->document)); ev_document_doc_mutex_unlock (); ev_job_succeeded (job); return FALSE; } static void ev_job_layers_class_init (EvJobLayersClass *class) { GObjectClass *oclass = G_OBJECT_CLASS (class); EvJobClass *job_class = EV_JOB_CLASS (class); oclass->dispose = ev_job_layers_dispose; job_class->run = ev_job_layers_run; } EvJob * ev_job_layers_new (EvDocument *document) { EvJob *job; ev_debug_message (DEBUG_JOBS, NULL); job = g_object_new (EV_TYPE_JOB_LAYERS, NULL); job->document = g_object_ref (document); return job; } /* EvJobExport */ static void ev_job_export_init (EvJobExport *job) { EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; job->page = -1; } static void ev_job_export_dispose (GObject *object) { EvJobExport *job; ev_debug_message (DEBUG_JOBS, NULL); job = EV_JOB_EXPORT (object); if (job->rc) { g_object_unref (job->rc); job->rc = NULL; } (* G_OBJECT_CLASS (ev_job_export_parent_class)->dispose) (object); } static gboolean ev_job_export_run (EvJob *job) { EvJobExport *job_export = EV_JOB_EXPORT (job); EvPage *ev_page; g_assert (job_export->page != -1); ev_debug_message (DEBUG_JOBS, NULL); ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); ev_document_doc_mutex_lock (); ev_page = ev_document_get_page (job->document, job_export->page); if (job_export->rc) { job->failed = FALSE; job->finished = FALSE; g_clear_error (&job->error); ev_render_context_set_page (job_export->rc, ev_page); } else { job_export->rc = ev_render_context_new (ev_page, 0, 1.0); } g_object_unref (ev_page); ev_file_exporter_do_page (EV_FILE_EXPORTER (job->document), job_export->rc); ev_document_doc_mutex_unlock (); ev_job_succeeded (job); return FALSE; } static void ev_job_export_class_init (EvJobExportClass *class) { GObjectClass *oclass = G_OBJECT_CLASS (class); EvJobClass *job_class = EV_JOB_CLASS (class); oclass->dispose = ev_job_export_dispose; job_class->run = ev_job_export_run; } EvJob * ev_job_export_new (EvDocument *document) { EvJob *job; ev_debug_message (DEBUG_JOBS, NULL); job = g_object_new (EV_TYPE_JOB_EXPORT, NULL); job->document = g_object_ref (document); return job; } void ev_job_export_set_page (EvJobExport *job, gint page) { job->page = page; }