Move EvView specific code to a libeviview library so that it can be

2009-01-18  Carlos Garcia Campos  <carlosgc@gnome.org>

	* configure.ac:
	* Makefile.am:
	* libdocument/Makefile.am:
	* libview/Makefile.am:
	* libview/ev-job-scheduler.[ch]:
	* libview/ev-jobs.[ch]:
	* libview/ev-page-cache.[ch]:
	* libview/ev-pixbuf-cache.[ch]:
	* libview/ev-timeline.[ch]:
	* libview/ev-transition-animation.[ch]:
	* libview/ev-view-accessible.[ch]:
	* libview/ev-view-marshal.list:
	* libview/ev-view.[ch]:
	* shell/Makefile.am:

	Move EvView specific code to a libeviview library so that it can
	be embbeded in other applications. Based on patches by Tomeu
	Vizoso. Fixes bug #567751.

svn path=/trunk/; revision=3348

1 files changed, 420 insertions, 0 deletions

diff --git a/libview/ev-jobs.h b/libview/ev-jobs.h
new file mode 100644
index 0000000..5915a28
--- /dev/null
+++ b/libview/ev-jobs.h
@@ -0,0 +1,420 @@
+/* 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.
+ */
+
+#ifndef __EV_JOBS_H__
+#define __EV_JOBS_H__
+
+#include <gio/gio.h>
+#include <gtk/gtk.h>
+
+#include "ev-document.h"
+#include "ev-selection.h"
+#include "ev-render-context.h"
+
+G_BEGIN_DECLS
+
+typedef struct _EvJob EvJob;
+typedef struct _EvJobClass EvJobClass;
+
+typedef struct _EvJobRender EvJobRender;
+typedef struct _EvJobRenderClass EvJobRenderClass;
+
+typedef struct _EvJobThumbnail EvJobThumbnail;
+typedef struct _EvJobThumbnailClass EvJobThumbnailClass;
+
+typedef struct _EvJobLinks EvJobLinks;
+typedef struct _EvJobLinksClass EvJobLinksClass;
+
+typedef struct _EvJobAttachments EvJobAttachments;
+typedef struct _EvJobAttachmentsClass EvJobAttachmentsClass;
+
+typedef struct _EvJobFonts EvJobFonts;
+typedef struct _EvJobFontsClass EvJobFontsClass;
+
+typedef struct _EvJobLoad EvJobLoad;
+typedef struct _EvJobLoadClass EvJobLoadClass;
+
+typedef struct _EvJobSave EvJobSave;
+typedef struct _EvJobSaveClass EvJobSaveClass;
+
+typedef struct _EvJobFind EvJobFind;
+typedef struct _EvJobFindClass EvJobFindClass;
+
+typedef struct _EvJobLayers EvJobLayers;
+typedef struct _EvJobLayersClass EvJobLayersClass;
+
+typedef struct _EvJobExport EvJobExport;
+typedef struct _EvJobExportClass EvJobExportClass;
+
+#define EV_TYPE_JOB		     	     (ev_job_get_type())
+#define EV_JOB(object)		             (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB, EvJob))
+#define EV_JOB_CLASS(klass)	             (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB, EvJobClass))
+#define EV_IS_JOB(object)		     (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB))
+#define EV_JOB_GET_CLASS(object)             (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_JOB, EvJobClass))
+
+#define EV_TYPE_JOB_LINKS		     (ev_job_links_get_type())
+#define EV_JOB_LINKS(object)		     (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_LINKS, EvJobLinks))
+#define EV_JOB_LINKS_CLASS(klass)	     (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_LINKS, EvJobLinksClass))
+#define EV_IS_JOB_LINKS(object)		     (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_LINKS))
+
+#define EV_TYPE_JOB_ATTACHMENTS		     (ev_job_attachments_get_type())
+#define EV_JOB_ATTACHMENTS(object)	     (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_ATTACHMENTS, EvJobAttachments))
+#define EV_JOB_ATTACHMENTS_CLASS(klass)	     (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_ATTACHMENTS, EvJobAttachmentsClass))
+#define EV_IS_JOB_ATTACHMENTS(object)	     (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_ATTACHMENTS))
+
+#define EV_TYPE_JOB_RENDER		     (ev_job_render_get_type())
+#define EV_JOB_RENDER(object)		     (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_RENDER, EvJobRender))
+#define EV_JOB_RENDER_CLASS(klass)	     (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_RENDER, EvJobRenderClass))
+#define EV_IS_JOB_RENDER(object)	     (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_RENDER))
+
+#define EV_TYPE_JOB_THUMBNAIL		     (ev_job_thumbnail_get_type())
+#define EV_JOB_THUMBNAIL(object)	     (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_THUMBNAIL, EvJobThumbnail))
+#define EV_JOB_THUMBNAIL_CLASS(klass)	     (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_THUMBNAIL, EvJobThumbnailClass))
+#define EV_IS_JOB_THUMBNAIL(object)	     (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_THUMBNAIL))
+
+#define EV_TYPE_JOB_FONTS		     (ev_job_fonts_get_type())
+#define EV_JOB_FONTS(object)	     	     (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_FONTS, EvJobFonts))
+#define EV_JOB_FONTS_CLASS(klass)	     (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_FONTS, EvJobFontsClass))
+#define EV_IS_JOB_FONTS(object)		     (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_FONTS))
+
+#define EV_TYPE_JOB_LOAD		     (ev_job_load_get_type())
+#define EV_JOB_LOAD(object)	     	     (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_LOAD, EvJobLoad))
+#define EV_JOB_LOAD_CLASS(klass)	     (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_LOAD, EvJobLoadClass))
+#define EV_IS_JOB_LOAD(object)		     (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_LOAD))
+
+#define EV_TYPE_JOB_SAVE		     (ev_job_save_get_type())
+#define EV_JOB_SAVE(object)	     	     (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_SAVE, EvJobSave))
+#define EV_JOB_SAVE_CLASS(klass)	     (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_SAVE, EvJobSaveClass))
+#define EV_IS_JOB_SAVE(object)		     (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_SAVE))
+
+#define EV_TYPE_JOB_FIND                     (ev_job_find_get_type())
+#define EV_JOB_FIND(object)                  (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_FIND, EvJobFind))
+#define EV_JOB_FIND_CLASS(klass)             (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_FIND, EvJobFindClass))
+#define EV_IS_JOB_FIND(object)               (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_FIND))
+
+#define EV_TYPE_JOB_LAYERS                   (ev_job_layers_get_type())
+#define EV_JOB_LAYERS(object)                (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_LAYERS, EvJobLayers))
+#define EV_JOB_LAYERS_CLASS(klass)           (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_LAYERS, EvJobLayersClass))
+#define EV_IS_JOB_LAYERS(object)             (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_LAYERS))
+
+#define EV_TYPE_JOB_EXPORT                    (ev_job_export_get_type())
+#define EV_JOB_EXPORT(object)                 (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_EXPORT, EvJobExport))
+#define EV_JOB_EXPORT_CLASS(klass)            (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_EXPORT, EvJobExportClass))
+#define EV_IS_JOB_EXPORT(object)              (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_EXPORT))
+
+typedef enum {
+	EV_JOB_RUN_THREAD,
+	EV_JOB_RUN_MAIN_LOOP
+} EvJobRunMode;
+
+struct _EvJob
+{
+	GObject parent;
+	
+	EvDocument *document;
+
+	EvJobRunMode run_mode;
+
+	guint cancelled : 1;
+	guint finished : 1;
+	guint failed : 1;
+	
+	GError *error;
+	GCancellable *cancellable;
+
+	guint idle_finished_id;
+	guint idle_cancelled_id;
+};
+
+struct _EvJobClass
+{
+	GObjectClass parent_class;
+
+	gboolean (*run)         (EvJob *job);
+	
+	/* Signals */
+	void     (* cancelled)  (EvJob *job);
+	void     (* finished)   (EvJob *job);
+};
+
+struct _EvJobLinks
+{
+	EvJob parent;
+
+	GtkTreeModel *model;
+};
+
+struct _EvJobLinksClass
+{
+	EvJobClass parent_class;
+};
+
+struct _EvJobAttachments
+{
+	EvJob parent;
+
+	GList *attachments;
+};
+
+struct _EvJobAttachmentsClass
+{
+	EvJobClass parent_class;
+};
+
+typedef enum {
+	EV_RENDER_INCLUDE_NONE      = 0,
+	EV_RENDER_INCLUDE_LINKS     = 1 << 0,
+	EV_RENDER_INCLUDE_TEXT      = 1 << 1,
+	EV_RENDER_INCLUDE_SELECTION = 1 << 2,
+	EV_RENDER_INCLUDE_IMAGES    = 1 << 3,
+	EV_RENDER_INCLUDE_FORMS     = 1 << 4,
+	EV_RENDER_INCLUDE_ALL       = (1 << 5) - 1
+} EvRenderFlags;
+
+struct _EvJobRender
+{
+	EvJob parent;
+
+	gint page;
+	gint rotation;
+	gdouble scale;
+
+	EvPage *ev_page;
+	gboolean page_ready;
+	gint target_width;
+	gint target_height;
+	cairo_surface_t *surface;
+
+	GList *link_mapping;
+	GdkRegion *text_mapping;
+	GList *image_mapping;
+	GList *form_field_mapping;
+
+	cairo_surface_t *selection;
+	GdkRegion *selection_region;
+	EvRectangle selection_points;
+	EvSelectionStyle selection_style;
+	GdkColor base;
+	GdkColor text; 
+
+	EvRenderFlags flags;
+};
+
+struct _EvJobRenderClass
+{
+	EvJobClass parent_class;
+
+	void    (* page_ready) (EvJobRender *job);
+};
+
+struct _EvJobThumbnail
+{
+	EvJob parent;
+
+	gint page;
+	gint rotation;
+	gdouble scale;
+	
+	GdkPixbuf *thumbnail;
+};
+
+struct _EvJobThumbnailClass
+{
+	EvJobClass parent_class;
+};
+
+struct _EvJobFonts
+{
+	EvJob parent;
+	gboolean scan_completed;
+};
+
+struct _EvJobFontsClass
+{
+        EvJobClass parent_class;
+
+	/* Signals */
+	void (* updated)  (EvJobFonts *job,
+			   gdouble     progress);
+};
+
+struct _EvJobLoad
+{
+	EvJob parent;
+
+	gchar *uri;
+	gchar *password;
+};
+
+struct _EvJobLoadClass
+{
+	EvJobClass parent_class;
+};
+
+struct _EvJobSave
+{
+	EvJob parent;
+
+	gchar *uri;
+	gchar *document_uri;
+};
+
+struct _EvJobSaveClass
+{
+	EvJobClass parent_class;
+};
+
+struct _EvJobFind
+{
+	EvJob parent;
+
+	gint start_page;
+	gint current_page;
+	gint n_pages;
+	GList **pages;
+	gchar *text;
+	gboolean case_sensitive;
+	gboolean has_results;
+};
+
+struct _EvJobFindClass
+{
+	EvJobClass parent_class;
+
+	/* Signals */
+	void (* updated)  (EvJobFind *job,
+			   gint       page);
+};
+
+struct _EvJobLayers
+{
+	EvJob parent;
+
+	GtkTreeModel *model;
+};
+
+struct _EvJobLayersClass
+{
+	EvJobClass parent_class;
+};
+
+struct _EvJobExport
+{
+	EvJob parent;
+
+	gint page;
+	EvRenderContext *rc;
+};
+
+struct _EvJobExportClass
+{
+	EvJobClass parent_class;
+};
+
+/* Base job class */
+GType           ev_job_get_type           (void) G_GNUC_CONST;
+gboolean        ev_job_run                (EvJob          *job);
+void            ev_job_cancel             (EvJob          *job);
+void            ev_job_failed             (EvJob          *job,
+					   GQuark          domain,
+					   gint            code,
+					   const gchar    *format,
+					   ...);
+void            ev_job_failed_from_error  (EvJob          *job,
+					   GError         *error);
+void            ev_job_succeeded          (EvJob          *job);
+gboolean        ev_job_is_cancelled       (EvJob          *job);
+gboolean        ev_job_is_finished        (EvJob          *job);
+gboolean        ev_job_is_failed          (EvJob          *job);
+EvJobRunMode    ev_job_get_run_mode       (EvJob          *job);
+void            ev_job_set_run_mode       (EvJob          *job,
+					   EvJobRunMode    run_mode);
+
+/* EvJobLinks */
+GType           ev_job_links_get_type     (void) G_GNUC_CONST;
+EvJob          *ev_job_links_new          (EvDocument     *document);
+
+/* EvJobAttachments */
+GType           ev_job_attachments_get_type (void) G_GNUC_CONST;
+EvJob          *ev_job_attachments_new      (EvDocument     *document);
+
+/* EvJobRender */
+GType           ev_job_render_get_type    (void) G_GNUC_CONST;
+EvJob          *ev_job_render_new         (EvDocument      *document,
+					   gint             page,
+					   gint             rotation,
+					   gdouble          scale,
+					   gint             width,
+					   gint             height,
+					   EvRenderFlags    flags);
+void     ev_job_render_set_selection_info (EvJobRender     *job,
+					   EvRectangle     *selection_points,
+					   EvSelectionStyle selection_style,
+					   GdkColor        *text,
+					   GdkColor        *base);
+/* EvJobThumbnail */
+GType           ev_job_thumbnail_get_type (void) G_GNUC_CONST;
+EvJob          *ev_job_thumbnail_new      (EvDocument      *document,
+					   gint             page,
+					   gint             rotation,
+					   gdouble          scale);
+/* EvJobFonts */
+GType 		ev_job_fonts_get_type 	  (void) G_GNUC_CONST;
+EvJob 	       *ev_job_fonts_new 	  (EvDocument      *document);
+
+/* EvJobLoad */
+GType 		ev_job_load_get_type 	  (void) G_GNUC_CONST;
+EvJob 	       *ev_job_load_new 	  (const gchar 	   *uri);
+void            ev_job_load_set_uri       (EvJobLoad       *load,
+					   const gchar     *uri);
+void            ev_job_load_set_password  (EvJobLoad       *job,
+					   const gchar     *password);
+
+/* EvJobSave */
+GType           ev_job_save_get_type      (void) G_GNUC_CONST;
+EvJob          *ev_job_save_new           (EvDocument      *document,
+					   const gchar     *uri,
+					   const gchar     *document_uri);
+/* EvJobFind */
+GType           ev_job_find_get_type      (void) G_GNUC_CONST;
+EvJob          *ev_job_find_new           (EvDocument      *document,
+					   gint             start_page,
+					   gint             n_pages,
+					   const gchar     *text,
+					   gboolean         case_sensitive);
+gint            ev_job_find_get_n_results (EvJobFind       *job,
+					   gint             pages);
+gdouble         ev_job_find_get_progress  (EvJobFind       *job);
+gboolean        ev_job_find_has_results   (EvJobFind       *job);
+GList         **ev_job_find_get_results   (EvJobFind       *job);
+
+/* EvJobLayers */
+GType           ev_job_layers_get_type    (void) G_GNUC_CONST;
+EvJob          *ev_job_layers_new         (EvDocument     *document);
+
+/* EvJobExport */
+GType           ev_job_export_get_type    (void) G_GNUC_CONST;
+EvJob          *ev_job_export_new         (EvDocument     *document);
+void            ev_job_export_set_page    (EvJobExport    *job,
+					   gint            page);
+
+G_END_DECLS
+
+#endif /* __EV_JOBS_H__ */