/* this file is part of atril, a mate document viewer * * Copyright (C) 2008 Carlos Garcia Campos <carlosgc@gnome.org> * Copyright (C) 2005 Red Hat, Inc * * Atril 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. * * Atril 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 Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include <config.h> #include "ev-jobs.h" #include "ev-document-thumbnails.h" #include "ev-document-links.h" #include "ev-document-images.h" #include "ev-job-scheduler.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-document-print.h" #include "ev-document-annotations.h" #include "ev-document-attachments.h" #include "ev-document-text.h" #include "ev-debug.h" #include <gtk/gtk.h> #if ENABLE_EPUB #include <webkit2/webkit2.h> #endif #include <errno.h> #include <glib/gstdio.h> #include <glib/gi18n-lib.h> #include <unistd.h> 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_annots_init (EvJobAnnots *job); static void ev_job_annots_class_init (EvJobAnnotsClass *class); static void ev_job_render_init (EvJobRender *job); static void ev_job_render_class_init (EvJobRenderClass *class); static void ev_job_page_data_init (EvJobPageData *job); static void ev_job_page_data_class_init (EvJobPageDataClass *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); static void ev_job_print_init (EvJobPrint *job); static void ev_job_print_class_init (EvJobPrintClass *class); enum { CANCELLED, FINISHED, LAST_SIGNAL }; enum { FONTS_UPDATED, FONTS_LAST_SIGNAL }; enum { FIND_UPDATED, FIND_LAST_SIGNAL }; #if ENABLE_EPUB static GtkWidget* webview; static GtkWidget* offscreenwindow; #endif static guint job_signals[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 (EvJobAnnots, ev_job_annots, EV_TYPE_JOB) G_DEFINE_TYPE (EvJobRender, ev_job_render, EV_TYPE_JOB) G_DEFINE_TYPE (EvJobPageData, ev_job_page_data, 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) G_DEFINE_TYPE (EvJobPrint, ev_job_print, 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) 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); if (job->finished && job->idle_finished_id == 0) return; 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); } /** * ev_job_failed_from_error: * @job: an #EvJob * @error: a #GError * * Rename to: ev_job_failed */ 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 fill_page_labels (GtkTreeModel *tree_model, GtkTreePath *path, GtkTreeIter *iter, EvJob *job) { EvDocumentLinks *document_links; EvLink *link; gchar *page_label; gtk_tree_model_get (tree_model, iter, EV_DOCUMENT_LINKS_COLUMN_LINK, &link, -1); if (!link) return FALSE; document_links = EV_DOCUMENT_LINKS (job->document); page_label = ev_document_links_get_link_page_label (document_links, link); if (!page_label) return FALSE; gtk_tree_store_set (GTK_TREE_STORE (tree_model), iter, EV_DOCUMENT_LINKS_COLUMN_PAGE_LABEL, page_label, -1); g_free (page_label); g_object_unref (link); return FALSE; } 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 (); gtk_tree_model_foreach (job_links->model, (GtkTreeModelForeachFunc)fill_page_labels, job); 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_attachments_get_attachments (EV_DOCUMENT_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; } /* EvJobAnnots */ static void ev_job_annots_init (EvJobAnnots *job) { EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; } static void ev_job_annots_dispose (GObject *object) { EvJobAnnots *job; ev_debug_message (DEBUG_JOBS, NULL); job = EV_JOB_ANNOTS (object); if (job->annots) { g_list_foreach (job->annots, (GFunc)ev_mapping_list_unref, NULL); g_list_free (job->annots); job->annots = NULL; } G_OBJECT_CLASS (ev_job_annots_parent_class)->dispose (object); } static gboolean ev_job_annots_run (EvJob *job) { EvJobAnnots *job_annots = EV_JOB_ANNOTS (job); gint i; 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 (); for (i = 0; i < ev_document_get_n_pages (job->document); i++) { EvMappingList *mapping_list; EvPage *page; page = ev_document_get_page (job->document, i); mapping_list = ev_document_annotations_get_annotations (EV_DOCUMENT_ANNOTATIONS (job->document), page); g_object_unref (page); if (mapping_list) job_annots->annots = g_list_prepend (job_annots->annots, mapping_list); } ev_document_doc_mutex_unlock (); job_annots->annots = g_list_reverse (job_annots->annots); ev_job_succeeded (job); return FALSE; } static void ev_job_annots_class_init (EvJobAnnotsClass *class) { GObjectClass *oclass = G_OBJECT_CLASS (class); EvJobClass *job_class = EV_JOB_CLASS (class); oclass->dispose = ev_job_annots_dispose; job_class->run = ev_job_annots_run; } EvJob * ev_job_annots_new (EvDocument *document) { EvJob *job; ev_debug_message (DEBUG_JOBS, NULL); job = g_object_new (EV_TYPE_JOB_ANNOTS, 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); ev_debug_message (DEBUG_JOBS, "page: %d (%p)", job->page, job); 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) { cairo_region_destroy (job->selection_region); job->selection_region = NULL; } (* G_OBJECT_CLASS (ev_job_render_parent_class)->dispose) (object); } static gboolean ev_job_render_run (EvJob *job) { EvJobRender *job_render = EV_JOB_RENDER (job); EvPage *ev_page; 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 (); ev_page = ev_document_get_page (job->document, job_render->page); if ( job->document->iswebdocument == TRUE ) { return TRUE; if (g_cancellable_is_cancelled (job->cancellable)) { ev_document_fc_mutex_unlock (); ev_document_doc_mutex_unlock (); g_object_unref (rc); return FALSE; } ev_document_fc_mutex_unlock (); ev_document_doc_mutex_unlock (); ev_job_succeeded (job); return FALSE; } rc = ev_render_context_new (ev_page, job_render->rotation, job_render->scale); g_object_unref (ev_page); 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->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)); } g_object_unref (rc); ev_document_fc_mutex_unlock (); 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); 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) { 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; return EV_JOB (job); } void ev_job_render_set_selection_info (EvJobRender *job, EvRectangle *selection_points, EvSelectionStyle selection_style, GdkColor *text, GdkColor *base) { job->include_selection = TRUE; job->selection_points = *selection_points; job->selection_style = selection_style; job->text = *text; job->base = *base; } /* EvJobPageData */ static void ev_job_page_data_init (EvJobPageData *job) { EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; } static gboolean ev_job_page_data_run (EvJob *job) { EvJobPageData *job_pd = EV_JOB_PAGE_DATA (job); EvPage *ev_page; ev_debug_message (DEBUG_JOBS, "page: %d (%p)", job_pd->page, job); 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_pd->page); if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_TEXT_MAPPING) && EV_IS_DOCUMENT_TEXT (job->document)) job_pd->text_mapping = ev_document_text_get_text_mapping (EV_DOCUMENT_TEXT (job->document), ev_page); if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_TEXT) && EV_IS_DOCUMENT_TEXT (job->document)) job_pd->text = ev_document_text_get_text (EV_DOCUMENT_TEXT (job->document), ev_page); if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT) && EV_IS_DOCUMENT_TEXT (job->document)) ev_document_text_get_text_layout (EV_DOCUMENT_TEXT (job->document), ev_page, &(job_pd->text_layout), &(job_pd->text_layout_length)); if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_TEXT_ATTRS) && EV_IS_DOCUMENT_TEXT (job->document)) job_pd ->text_attrs = ev_document_text_get_text_attrs (EV_DOCUMENT_TEXT (job->document), ev_page); if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_TEXT_LOG_ATTRS) && job_pd->text) { job_pd->text_log_attrs_length = g_utf8_strlen (job_pd->text, -1); job_pd->text_log_attrs = g_new0 (PangoLogAttr, job_pd->text_log_attrs_length + 1); /* FIXME: We need API to get the language of the document */ pango_get_log_attrs (job_pd->text, -1, -1, NULL, job_pd->text_log_attrs, job_pd->text_log_attrs_length + 1); } if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_LINKS) && EV_IS_DOCUMENT_LINKS (job->document)) job_pd->link_mapping = ev_document_links_get_links (EV_DOCUMENT_LINKS (job->document), ev_page); if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_FORMS) && EV_IS_DOCUMENT_FORMS (job->document)) job_pd->form_field_mapping = ev_document_forms_get_form_fields (EV_DOCUMENT_FORMS (job->document), ev_page); if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_IMAGES) && EV_IS_DOCUMENT_IMAGES (job->document)) job_pd->image_mapping = ev_document_images_get_image_mapping (EV_DOCUMENT_IMAGES (job->document), ev_page); if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_ANNOTS) && EV_IS_DOCUMENT_ANNOTATIONS (job->document)) job_pd->annot_mapping = ev_document_annotations_get_annotations (EV_DOCUMENT_ANNOTATIONS (job->document), ev_page); g_object_unref (ev_page); ev_document_doc_mutex_unlock (); ev_job_succeeded (job); return FALSE; } static void ev_job_page_data_class_init (EvJobPageDataClass *class) { EvJobClass *job_class = EV_JOB_CLASS (class); job_class->run = ev_job_page_data_run; } EvJob * ev_job_page_data_new (EvDocument *document, gint page, EvJobPageDataFlags flags) { EvJobPageData *job; ev_debug_message (DEBUG_JOBS, "%d", page); job = g_object_new (EV_TYPE_JOB_PAGE_DATA, NULL); EV_JOB (job)->document = g_object_ref (document); job->page = page; job->flags = flags; return EV_JOB (job); } /* 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); } #if ENABLE_EPUB static void snapshot_callback(WebKitWebView *webview, GAsyncResult *results, EvJobThumbnail *job_thumb) { GError *error = NULL; ev_document_doc_mutex_lock (); EvPage *page = ev_document_get_page (EV_JOB(job_thumb)->document, job_thumb->page); job_thumb->surface = webkit_web_view_get_snapshot_finish (webview, results, &error); if (error) { g_warning ("Error retrieving a snapshot: %s", error->message); } EvRenderContext *rc = ev_render_context_new (page, job_thumb->rotation, job_thumb->scale); EvPage *screenshotpage; screenshotpage = ev_page_new(job_thumb->page); screenshotpage->backend_page = (EvBackendPage)job_thumb->surface; screenshotpage->backend_destroy_func = (EvBackendPageDestroyFunc)cairo_surface_destroy; ev_render_context_set_page(rc,screenshotpage); job_thumb->thumbnail = ev_document_thumbnails_get_thumbnail (EV_DOCUMENT_THUMBNAILS (EV_JOB(job_thumb)->document), rc, TRUE); g_object_unref(screenshotpage); g_object_unref(rc); ev_document_doc_mutex_unlock (); ev_job_succeeded (EV_JOB(job_thumb)); } static void web_thumbnail_get_screenshot_cb (WebKitWebView *webview, WebKitLoadEvent event, EvJobThumbnail *job_thumb) { if (event != WEBKIT_LOAD_FINISHED || ev_job_is_failed (EV_JOB(job_thumb))) { return; } webkit_web_view_get_snapshot (webview, WEBKIT_SNAPSHOT_REGION_VISIBLE, WEBKIT_SNAPSHOT_OPTIONS_NONE, NULL, (GAsyncReadyCallback)snapshot_callback, g_object_ref (job_thumb)); } static gboolean webview_load_failed_cb (WebKitWebView *webview, WebKitLoadEvent event, gchar *failing_uri, gpointer error, EvJobThumbnail *job_thumb) { GError *e = (GError *) error; g_warning ("Error loading data from %s: %s", failing_uri, e->message); ev_job_failed_from_error (EV_JOB(job_thumb), e); return TRUE; } #endif /* ENABLE_EPUB */ 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); if (job->document->iswebdocument) { /* Do not block the main loop */ if (!ev_document_doc_mutex_trylock ()) return TRUE; } else { ev_document_doc_mutex_lock (); } page = ev_document_get_page (job->document, job_thumb->page); ev_document_doc_mutex_unlock (); if (job->document->iswebdocument == TRUE ) { rc = ev_render_context_new (page, 0, job_thumb->scale); } else { rc = ev_render_context_new (page, job_thumb->rotation, job_thumb->scale); } g_object_unref (page); #if ENABLE_EPUB if (job->document->iswebdocument == TRUE) { if (!webview) { webview = webkit_web_view_new(); g_signal_connect(WEBKIT_WEB_VIEW(webview),"load-changed", G_CALLBACK(web_thumbnail_get_screenshot_cb), g_object_ref (job_thumb)); g_signal_connect(WEBKIT_WEB_VIEW(webview),"load-failed", G_CALLBACK(webview_load_failed_cb), g_object_ref (job_thumb)); } if (!offscreenwindow) { offscreenwindow = gtk_offscreen_window_new(); gtk_container_add(GTK_CONTAINER(offscreenwindow),GTK_WIDGET(webview)); gtk_window_set_default_size (GTK_WINDOW(offscreenwindow),800,1080); gtk_widget_show_all(offscreenwindow); } webkit_web_view_load_uri(WEBKIT_WEB_VIEW(webview),(gchar*)rc->page->backend_page); } else #endif /* ENABLE_EPUB */ { ev_document_doc_mutex_lock (); job_thumb->thumbnail = ev_document_thumbnails_get_thumbnail (EV_DOCUMENT_THUMBNAILS (job->document), rc, TRUE); ev_document_doc_mutex_unlock (); ev_job_succeeded (job); } g_object_unref (rc); 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 ()) { ev_document_doc_mutex_unlock (); 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) { const gchar *uncompressed_uri; 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); uncompressed_uri = g_object_get_data (G_OBJECT (job->document), "uri-uncompressed"); ev_document_load (job->document, uncompressed_uri ? uncompressed_uri : 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 *tmp_filename = NULL; 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); fd = ev_mkstemp ("saveacopy.XXXXXX", &tmp_filename, &error); if (fd == -1) { ev_job_failed_from_error (job, error); g_error_free (error); return FALSE; } ev_document_doc_mutex_lock (); /* Save document to temp filename */ local_uri = g_filename_to_uri (tmp_filename, NULL, &error); if (local_uri != 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); g_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)ev_rectangle_free, NULL); g_list_free (job->pages[i]); } g_free (job->pages); job->pages = NULL; } if (job->results) { g_free(job->results); } (* 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); if (job->document->iswebdocument) { job_find->results[job_find->current_page] = ev_document_find_check_for_hits(find, ev_page, job_find->text, job_find->case_sensitive); }else { 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->document->iswebdocument) { job_find->has_results = (matches != NULL); } else if (!job_find->has_results && job->document->iswebdocument){ job_find->has_results = (job_find->results[job_find->current_page] > 0); } if (job->document->iswebdocument == FALSE) { 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; if (document->iswebdocument) { job->results = g_malloc0 (sizeof(guint) *n_pages); } else { 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) { if (EV_JOB(job)->document->iswebdocument) { return job->results[page]; } else { 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; } /** * ev_job_find_get_results: (skip) * @job: an #EvJobFind * * Returns: a #GList of #GList<!-- -->s containing #EvRectangle<!-- -->s */ 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; } /* EvJobPrint */ static void ev_job_print_init (EvJobPrint *job) { EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; job->page = -1; } static void ev_job_print_dispose (GObject *object) { EvJobPrint *job; ev_debug_message (DEBUG_JOBS, NULL); job = EV_JOB_PRINT (object); if (job->cr) { cairo_destroy (job->cr); job->cr = NULL; } (* G_OBJECT_CLASS (ev_job_print_parent_class)->dispose) (object); } static gboolean ev_job_print_run (EvJob *job) { EvJobPrint *job_print = EV_JOB_PRINT (job); EvPage *ev_page; cairo_status_t cr_status; g_assert (job_print->page != -1); g_assert (job_print->cr != NULL); ev_debug_message (DEBUG_JOBS, NULL); ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); job->failed = FALSE; job->finished = FALSE; g_clear_error (&job->error); ev_document_doc_mutex_lock (); ev_page = ev_document_get_page (job->document, job_print->page); ev_document_print_print_page (EV_DOCUMENT_PRINT (job->document), ev_page, job_print->cr); g_object_unref (ev_page); ev_document_doc_mutex_unlock (); if (g_cancellable_is_cancelled (job->cancellable)) return FALSE; cr_status = cairo_status (job_print->cr); if (cr_status == CAIRO_STATUS_SUCCESS) { ev_job_succeeded (job); } else { ev_job_failed (job, GTK_PRINT_ERROR, GTK_PRINT_ERROR_GENERAL, _("Failed to print page %d: %s"), job_print->page, cairo_status_to_string (cr_status)); } return FALSE; } static void ev_job_print_class_init (EvJobPrintClass *class) { GObjectClass *oclass = G_OBJECT_CLASS (class); EvJobClass *job_class = EV_JOB_CLASS (class); oclass->dispose = ev_job_print_dispose; job_class->run = ev_job_print_run; } EvJob * ev_job_print_new (EvDocument *document) { EvJob *job; ev_debug_message (DEBUG_JOBS, NULL); job = g_object_new (EV_TYPE_JOB_PRINT, NULL); job->document = g_object_ref (document); return job; } void ev_job_print_set_page (EvJobPrint *job, gint page) { job->page = page; } void ev_job_print_set_cairo (EvJobPrint *job, cairo_t *cr) { if (job->cr == cr) return; if (job->cr) cairo_destroy (job->cr); job->cr = cr ? cairo_reference (cr) : NULL; }