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gnome-46
evince/libview/ev-view.h
Nelson Benítez León e5594f9646 pdf: let launch action to open pdfs from click event 
Issue #1333 removed Evince ability to run any command
from pdf 'launch action', while the security concerns
brought up in #1333 were valid, the measure implemented
was maybe too drastic, as there are valid use cases
where launching a pdf is needed.

For instance, the cases described in issue #48, one of
them is the document 'Nissan Patrol Maintenance Manual'
which is comprised of several pdf files, where there is
one acting as index for the others, this index pdf file
uses the launch action to open the other pdf's.

So this commit allows to launch a file from a link
action only when:

- that file is a pdf file.
- the launch action originates from click event,
  to be sure the user requested the action.

Besides, we don't just let the system execute the
file, but because it's a pdf we do it ourselves by
launching a new evince instance (or if that file was
already opened then presenting its window).

Fixes issue #48
2022-02-23 18:04:48 +00:00

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/* this file is part of evince, a gnome document viewer
*
* Copyright (C) 2004 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#pragma once
#if !defined (__EV_EVINCE_VIEW_H_INSIDE__) && !defined (EVINCE_COMPILATION)
#error "Only <evince-view.h> can be included directly."
#endif
#include <gtk/gtk.h>
#include <evince-document.h>
#include "ev-document-model.h"
#include "ev-jobs.h"
G_BEGIN_DECLS
#define EV_TYPE_VIEW (ev_view_get_type ())
#define EV_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_VIEW, EvView))
#define EV_IS_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_VIEW))
#define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
#define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
#define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
typedef struct _EvView EvView;
typedef struct _EvViewClass EvViewClass;
EV_PUBLIC
GType ev_view_get_type (void) G_GNUC_CONST;
EV_PUBLIC
GtkWidget* ev_view_new (void);
EV_PUBLIC
void ev_view_set_model (EvView *view,
EvDocumentModel *model);
EV_DEPRECATED
EV_PUBLIC
void ev_view_set_loading (EvView *view,
gboolean loading);
EV_PUBLIC
gboolean ev_view_is_loading (EvView *view);
EV_PUBLIC
void ev_view_reload (EvView *view);
EV_PUBLIC
void ev_view_set_page_cache_size (EvView *view,
gsize cache_size);
EV_PUBLIC
void ev_view_set_allow_links_change_zoom (EvView *view,
gboolean allowed);
EV_PUBLIC
gboolean ev_view_get_allow_links_change_zoom (EvView *view);
/* Clipboard */
EV_PUBLIC
void ev_view_copy (EvView *view);
EV_PUBLIC
void ev_view_copy_link_address (EvView *view,
EvLinkAction *action);
EV_PUBLIC
void ev_view_select_all (EvView *view);
EV_PUBLIC
gboolean ev_view_get_has_selection (EvView *view);
EV_PUBLIC
char * ev_view_get_selected_text (EvView *view);
/* Page size */
EV_PUBLIC
gboolean ev_view_can_zoom_in (EvView *view);
EV_PUBLIC
void ev_view_zoom_in (EvView *view);
EV_PUBLIC
gboolean ev_view_can_zoom_out (EvView *view);
EV_PUBLIC
void ev_view_zoom_out (EvView *view);
/* Find */
EV_PUBLIC
void ev_view_find_started (EvView *view,
EvJobFind *job);
EV_PUBLIC
void ev_view_find_restart (EvView *view,
gint page);
EV_PUBLIC
void ev_view_find_next (EvView *view);
EV_PUBLIC
void ev_view_find_previous (EvView *view);
EV_PUBLIC
void ev_view_find_set_result (EvView *view,
gint page,
gint result);
EV_PUBLIC
void ev_view_find_search_changed (EvView *view);
EV_PUBLIC
void ev_view_find_set_highlight_search (EvView *view,
gboolean value);
EV_DEPRECATED_FOR(ev_view_find_started)
EV_PUBLIC
void ev_view_find_changed (EvView *view,
GList **results,
gint page);
EV_PUBLIC
void ev_view_find_cancel (EvView *view);
/* Synctex */
EV_PUBLIC
void ev_view_highlight_forward_search (EvView *view,
EvSourceLink *link);
/* Cursor */
EV_PUBLIC
void ev_view_hide_cursor (EvView *view);
EV_PUBLIC
void ev_view_show_cursor (EvView *view);
/* Navigation */
EV_DEPRECATED_FOR(g_signal_emit_by_name)
EV_PUBLIC
void ev_view_scroll (EvView *view,
GtkScrollType scroll,
gboolean horizontal);
EV_PUBLIC
void ev_view_handle_link (EvView *view,
EvLink *link);
EV_PUBLIC
gboolean ev_view_next_page (EvView *view);
EV_PUBLIC
gboolean ev_view_previous_page (EvView *view);
EV_PUBLIC
void ev_view_autoscroll_start (EvView *view);
EV_PUBLIC
void ev_view_autoscroll_stop (EvView *view);
EV_PUBLIC
gboolean ev_view_get_page_extents (EvView *view,
gint page,
GdkRectangle *page_area,
GtkBorder *border);
EV_PUBLIC
gboolean ev_view_get_page_extents_for_border (EvView *view,
gint page,
GtkBorder *border,
GdkRectangle *page_area);
/* Annotations */
EV_PUBLIC
void ev_view_focus_annotation (EvView *view,
EvMapping *annot_mapping);
EV_PUBLIC
void ev_view_begin_add_annotation (EvView *view,
EvAnnotationType annot_type);
EV_PUBLIC
void ev_view_cancel_add_annotation (EvView *view);
EV_PUBLIC
void ev_view_remove_annotation (EvView *view,
EvAnnotation *annot);
EV_PUBLIC
gboolean ev_view_add_text_markup_annotation_for_selected_text (EvView *view);
EV_PUBLIC
void ev_view_set_enable_spellchecking (EvView *view,
gboolean spellcheck);
EV_PUBLIC
gboolean ev_view_get_enable_spellchecking (EvView *view);
/* Caret navigation */
EV_PUBLIC
gboolean ev_view_supports_caret_navigation (EvView *view);
EV_PUBLIC
gboolean ev_view_is_caret_navigation_enabled (EvView *view);
EV_PUBLIC
void ev_view_set_caret_navigation_enabled (EvView *view,
gboolean enabled);
EV_PUBLIC
void ev_view_set_caret_cursor_position (EvView *view,
guint page,
guint offset);
EV_PUBLIC
gboolean ev_view_current_event_is_type (EvView *view,
GdkEventType type);
G_END_DECLS
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