X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=sidebyside;f=pdf%2Fxpdf%2Fpdf-document.cc;h=06c82cc903a6b35c71896086b0eeea181df0f889;hb=1aff4f0d0e68dfccf5236289feb2fb58dfac8936;hp=6e077162c59e138e45eefe1246006e94255171bd;hpb=c43d8117b5174476437718101d58117ad9191c84;p=evince.git diff --git a/pdf/xpdf/pdf-document.cc b/pdf/xpdf/pdf-document.cc index 6e077162..06c82cc9 100644 --- a/pdf/xpdf/pdf-document.cc +++ b/pdf/xpdf/pdf-document.cc @@ -24,8 +24,9 @@ #include "ev-ps-exporter.h" #include "ev-document-find.h" #include "gpdf-g-switch.h" -#include "ev-document-bookmarks.h" +#include "ev-document-links.h" #include "ev-document-misc.h" +#include "ev-document-security.h" #include "ev-document-thumbnails.h" #include "GlobalParams.h" @@ -33,6 +34,7 @@ #include "SplashBitmap.h" #include "PDFDoc.h" #include "Outline.h" +#include "ErrorCodes.h" #include "UnicodeMap.h" #include "GlobalParams.h" #include "GfxState.h" @@ -84,35 +86,56 @@ struct _PdfDocument GDKSplashOutputDev *out; PSOutputDev *ps_out; PDFDoc *doc; + Links *links; UnicodeMap *umap; + gchar *password; gboolean page_valid; PdfDocumentSearch *search; }; -static void pdf_document_document_bookmarks_iface_init (EvDocumentBookmarksIface *iface); +static void pdf_document_document_links_iface_init (EvDocumentLinksIface *iface); static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface); static void pdf_document_document_iface_init (EvDocumentIface *iface); -static void pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface); -static void pdf_document_find_iface_init (EvDocumentFindIface *iface); -static void pdf_document_search_free (PdfDocumentSearch *search); -static void pdf_document_search_page_changed (PdfDocumentSearch *search); +static void pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface); +static void pdf_document_find_iface_init (EvDocumentFindIface *iface); +static void pdf_document_security_iface_init (EvDocumentSecurityIface *iface); +static void pdf_document_search_free (PdfDocumentSearch *search); +static void pdf_document_search_page_changed (PdfDocumentSearch *search); + G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT, { G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT, pdf_document_document_iface_init); - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_BOOKMARKS, - pdf_document_document_bookmarks_iface_init); + G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS, + pdf_document_document_links_iface_init); G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, pdf_document_document_thumbnails_iface_init); G_IMPLEMENT_INTERFACE (EV_TYPE_PS_EXPORTER, pdf_document_ps_exporter_iface_init); G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND, pdf_document_find_iface_init); + G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_SECURITY, + pdf_document_security_iface_init); }); +static void +document_init_links (PdfDocument *pdf_document) +{ + Page *page; + Object obj; + + if (pdf_document->links) { + delete pdf_document->links; + } + page = pdf_document->doc->getCatalog ()->getPage (pdf_document->page); + pdf_document->links = new Links (page->getAnnots (&obj), + pdf_document->doc->getCatalog ()->getBaseURI ()); + obj.free (); +} + static gboolean document_validate_page (PdfDocument *pdf_document) { @@ -122,8 +145,12 @@ document_validate_page (PdfDocument *pdf_document) 72 * pdf_document->scale, 0, gTrue, gTrue); + document_init_links (pdf_document); + pdf_document->page_valid = TRUE; + ev_document_changed (EV_DOCUMENT (pdf_document)); + /* Update the search results available to the app since * we only provide full results on the current page */ @@ -166,18 +193,27 @@ pdf_document_load (EvDocument *document, g_free (filename); // open the PDF file, assumes ownership of filename_g - newDoc = new PDFDoc(filename_g, 0, 0); + GString *password = NULL; + if (pdf_document->password) + password = new GString (pdf_document->password); + newDoc = new PDFDoc(filename_g, password, password); + if (password) + delete password; if (!newDoc->isOk()) { err = newDoc->getErrorCode(); delete newDoc; - - /* FIXME: Add a real error enum to EvDocument */ - g_set_error (error, G_FILE_ERROR, - G_FILE_ERROR_FAILED, - "Failed to load document (error %d) '%s'\n", - err, - uri); + if (err == errEncrypted) { + g_set_error (error, EV_DOCUMENT_ERROR, + EV_DOCUMENT_ERROR_ENCRYPTED, + "Document is encrypted."); + } else { + g_set_error (error, G_FILE_ERROR, + G_FILE_ERROR_FAILED, + "Failed to load document (error %d) '%s'\n", + err, + uri); + } return FALSE; } @@ -240,8 +276,6 @@ pdf_document_set_page (EvDocument *document, pdf_document->page = page; pdf_document->page_valid = FALSE; } - - ev_document_changed (document); } static int @@ -642,6 +676,25 @@ pdf_document_search_free (PdfDocumentSearch *search) g_free (search); } +static gboolean +pdf_document_has_document_security (EvDocumentSecurity *document_security) +{ + /* FIXME: do we really need to have this? */ + return FALSE; +} + +static void +pdf_document_set_password (EvDocumentSecurity *document_security, + const char *password) +{ + PdfDocument *document = PDF_DOCUMENT (document_security); + + if (document->password) + g_free (document->password); + + document->password = g_strdup (password); +} + static void pdf_document_ps_export_begin (EvPSExporter *exporter, const char *filename) { @@ -675,14 +728,14 @@ pdf_document_ps_export_end (EvPSExporter *exporter) } -/* EvDocumentBookmarks Implementation */ +/* EvDocumentLinks Implementation */ typedef struct { /* goo GList, not glib */ GList *items; int index; int level; -} BookmarksIter; +} LinksIter; static gchar * unicode_to_char (OutlineItem *outline_item, @@ -702,12 +755,12 @@ unicode_to_char (OutlineItem *outline_item, static gboolean -pdf_document_bookmarks_has_document_bookmarks (EvDocumentBookmarks *document_bookmarks) +pdf_document_links_has_document_links (EvDocumentLinks *document_links) { - PdfDocument *pdf_document = PDF_DOCUMENT (document_bookmarks); + PdfDocument *pdf_document = PDF_DOCUMENT (document_links); Outline *outline; - g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE); + g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE); outline = pdf_document->doc->getOutline(); if (outline->getItems() != NULL && @@ -717,51 +770,38 @@ pdf_document_bookmarks_has_document_bookmarks (EvDocumentBookmarks *document_boo return FALSE; } -static EvDocumentBookmarksIter * -pdf_document_bookmarks_begin_read (EvDocumentBookmarks *document_bookmarks) +static EvDocumentLinksIter * +pdf_document_links_begin_read (EvDocumentLinks *document_links) { - PdfDocument *pdf_document = PDF_DOCUMENT (document_bookmarks); + PdfDocument *pdf_document = PDF_DOCUMENT (document_links); Outline *outline; - BookmarksIter *iter; + LinksIter *iter; GList *items; - g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), NULL); + g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), NULL); outline = pdf_document->doc->getOutline(); items = outline->getItems(); if (! items) return NULL; - iter = g_new0 (BookmarksIter, 1); + iter = g_new0 (LinksIter, 1); iter->items = items; iter->index = 0; iter->level = 0; - return (EvDocumentBookmarksIter *) iter; + return (EvDocumentLinksIter *) iter; } -static EvBookmark * -pdf_document_bookmarks_get_bookmark (EvDocumentBookmarks *document_bookmarks, - EvDocumentBookmarksIter *bookmarks_iter) +static EvLink * +build_link_from_action (PdfDocument *pdf_document, + LinkAction *link_action, + const char *title) { - PdfDocument *pdf_document = PDF_DOCUMENT (document_bookmarks); - EvBookmark *bookmark = NULL; - BookmarksIter *iter = (BookmarksIter *)bookmarks_iter; - OutlineItem *anItem; - LinkAction *link_action; - Unicode *link_title; - const char *title; - - g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE); - g_return_val_if_fail (iter != NULL, FALSE); - - anItem = (OutlineItem *)iter->items->get(iter->index); - link_action = anItem->getAction (); - link_title = anItem->getTitle (); - title = unicode_to_char (anItem, pdf_document->umap); + EvLink *link = NULL; if (link_action == NULL) { - bookmark = ev_bookmark_new_title (title); + link = ev_link_new_title (title); } else if (link_action->getKind () == actionGoTo) { LinkDest *link_dest; LinkGoTo *link_goto; @@ -792,51 +832,75 @@ pdf_document_bookmarks_get_bookmark (EvDocumentBookmarks *document_bookmark delete link_dest; } - bookmark = ev_bookmark_new_link (title, page_num); + link = ev_link_new_page (title, page_num); } else if (link_action->getKind () == actionURI) { LinkURI *link_uri; link_uri = dynamic_cast (link_action); - bookmark = ev_bookmark_new_external + link = ev_link_new_external (title, link_uri->getURI()->getCString()); } else if (link_action->getKind () == actionNamed) { /*Skip, for now */ } - return bookmark; + return link; } -static EvDocumentBookmarksIter * -pdf_document_bookmarks_get_child (EvDocumentBookmarks *document_bookmarks, - EvDocumentBookmarksIter *bookmarks_iter) +/* FIXME This returns a new object every time, probably we should cache it + in the iter */ +static EvLink * +pdf_document_links_get_link (EvDocumentLinks *document_links, + EvDocumentLinksIter *links_iter) { - BookmarksIter *iter = (BookmarksIter *)bookmarks_iter; - BookmarksIter *child_iter; + PdfDocument *pdf_document = PDF_DOCUMENT (document_links); + LinksIter *iter = (LinksIter *)links_iter; OutlineItem *anItem; + LinkAction *link_action; + Unicode *link_title; + const char *title; - g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE); + g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE); + g_return_val_if_fail (iter != NULL, FALSE); + + anItem = (OutlineItem *)iter->items->get(iter->index); + link_action = anItem->getAction (); + link_title = anItem->getTitle (); + title = unicode_to_char (anItem, pdf_document->umap); + + return build_link_from_action (pdf_document, link_action, title); +} + +static EvDocumentLinksIter * +pdf_document_links_get_child (EvDocumentLinks *document_links, + EvDocumentLinksIter *links_iter) +{ + LinksIter *iter = (LinksIter *)links_iter; + LinksIter *child_iter; + OutlineItem *anItem; + + g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE); anItem = (OutlineItem *)iter->items->get(iter->index); anItem->open (); if (! (anItem->hasKids() && anItem->getKids()) ) return NULL; - child_iter = g_new0 (BookmarksIter, 1); + child_iter = g_new0 (LinksIter, 1); child_iter->index = 0; child_iter->level = iter->level + 1; child_iter->items = anItem->getKids (); g_assert (child_iter->items); - return (EvDocumentBookmarksIter *) child_iter; + return (EvDocumentLinksIter *) child_iter; } static gboolean -pdf_document_bookmarks_next (EvDocumentBookmarks *document_bookmarks, - EvDocumentBookmarksIter *bookmarks_iter) +pdf_document_links_next (EvDocumentLinks *document_links, + EvDocumentLinksIter *links_iter) { - BookmarksIter *iter = (BookmarksIter *) bookmarks_iter; + LinksIter *iter = (LinksIter *) links_iter; - g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE); + g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE); iter->index++; if (iter->index >= iter->items->getLength()) @@ -846,10 +910,10 @@ pdf_document_bookmarks_next (EvDocumentBookmarks *document_bookmarks, } static void -pdf_document_bookmarks_free_iter (EvDocumentBookmarks *document_bookmarks, - EvDocumentBookmarksIter *iter) +pdf_document_links_free_iter (EvDocumentLinks *document_links, + EvDocumentLinksIter *iter) { - g_return_if_fail (PDF_IS_DOCUMENT (document_bookmarks)); + g_return_if_fail (PDF_IS_DOCUMENT (document_links)); g_return_if_fail (iter != NULL); /* FIXME: Should I close all the nodes?? Free them? */ @@ -861,6 +925,10 @@ pdf_document_finalize (GObject *object) { PdfDocument *pdf_document = PDF_DOCUMENT (object); + if (pdf_document->links) { + delete pdf_document->links; + } + if (pdf_document->umap) { pdf_document->umap->decRefCnt (); pdf_document->umap = NULL; @@ -914,7 +982,7 @@ pdf_info_dict_get_string (Dict *info_dict, const gchar *key) { if (!info_dict->lookup ((gchar *)key, &obj)->isString ()) { obj.free (); - return g_strdup (_("Unknown")); + return NULL; } value = obj.getString (); @@ -938,6 +1006,8 @@ pdf_document_get_title (PdfDocument *pdf_document) char *title = NULL; Object info; + if (pdf_document->doc == NULL) + return NULL; pdf_document->doc->getDocInfo (&info); if (info.isDict ()) { @@ -955,10 +1025,10 @@ pdf_document_get_text (EvDocument *document, GdkRectangle *rect) const char *text; int x1, y1, x2, y2; - x1 = rect->x; - y1 = rect->y; - x2 = x1 + rect->width; - y2 = y1 + rect->height; + x1 = rect->x + pdf_document->page_x_offset; + y1 = rect->y + pdf_document->page_y_offset; + x2 = x1 + rect->width + pdf_document->page_x_offset; + y2 = y1 + rect->height + pdf_document->page_y_offset; sel_text = pdf_document->out->getText (x1, y1, x2, y2); text = sel_text->getCString (); @@ -966,6 +1036,37 @@ pdf_document_get_text (EvDocument *document, GdkRectangle *rect) return text ? g_strdup (text) : NULL; } +static EvLink * +pdf_document_get_link (EvDocument *document, int x, int y) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document); + LinkAction *action; + double link_x, link_y; + + if (pdf_document->links == NULL) { + return NULL; + } + + /* Offset */ + link_x = x - pdf_document->page_x_offset; + link_y = y - pdf_document->page_y_offset; + + /* Inverse y */ + link_y = pdf_document->out->getBitmapHeight() - link_y; + + /* Zoom */ + link_x = link_x / pdf_document->scale; + link_y = link_y / pdf_document->scale; + + action = pdf_document->links->find (link_x, link_y); + + if (action) { + return build_link_from_action (pdf_document, action, ""); + } else { + return NULL; + } +} + static void pdf_document_get_property (GObject *object, guint prop_id, @@ -1003,6 +1104,7 @@ pdf_document_document_iface_init (EvDocumentIface *iface) iface->load = pdf_document_load; iface->save = pdf_document_save; iface->get_text = pdf_document_get_text; + iface->get_link = pdf_document_get_link; iface->get_n_pages = pdf_document_get_n_pages; iface->set_page = pdf_document_set_page; iface->get_page = pdf_document_get_page; @@ -1030,14 +1132,21 @@ pdf_document_find_iface_init (EvDocumentFindIface *iface) } static void -pdf_document_document_bookmarks_iface_init (EvDocumentBookmarksIface *iface) +pdf_document_security_iface_init (EvDocumentSecurityIface *iface) { - iface->has_document_bookmarks = pdf_document_bookmarks_has_document_bookmarks; - iface->begin_read = pdf_document_bookmarks_begin_read; - iface->get_bookmark = pdf_document_bookmarks_get_bookmark; - iface->get_child = pdf_document_bookmarks_get_child; - iface->next = pdf_document_bookmarks_next; - iface->free_iter = pdf_document_bookmarks_free_iter; + iface->has_document_security = pdf_document_has_document_security; + iface->set_password = pdf_document_set_password; +} + +static void +pdf_document_document_links_iface_init (EvDocumentLinksIface *iface) +{ + iface->has_document_links = pdf_document_links_has_document_links; + iface->begin_read = pdf_document_links_begin_read; + iface->get_link = pdf_document_links_get_link; + iface->get_child = pdf_document_links_get_child; + iface->next = pdf_document_links_next; + iface->free_iter = pdf_document_links_free_iter; } /* Thumbnails */ @@ -1142,8 +1251,6 @@ pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnail the_page = pdf_document->doc->getCatalog ()->getPage (page + 1); the_page->getThumb (&the_thumb); - - if (!(the_thumb.isNull () || the_thumb.isNone())) { /* Build the thumbnail object */ thumb = new Thumb(pdf_document->doc->getXRef (), @@ -1235,5 +1342,6 @@ pdf_document_init (PdfDocument *pdf_document) pdf_document->scale = 1.; pdf_document->page_valid = FALSE; + pdf_document->password = NULL; }