diff options
Diffstat (limited to 'libview/ev-jobs.c')
| -rw-r--r-- | libview/ev-jobs.c | 1366 |
1 files changed, 1366 insertions, 0 deletions
diff --git a/libview/ev-jobs.c b/libview/ev-jobs.c new file mode 100644 index 0000000..102cd90 --- /dev/null +++ b/libview/ev-jobs.c @@ -0,0 +1,1366 @@ +/* this file is part of evince, a gnome document viewer + * + * Copyright (C) 2008 Carlos Garcia Campos <carlosgc@gnome.org> + * 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 <config.h> + +#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 <errno.h> +#include <glib/gstdio.h> +#include <glib/gi18n.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_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; +} |