Forms: handle app.launchUrl, currently by displaying a warning

5 files changed, 71 insertions, 0 deletions

diff --git a/apps/pdfapp.c b/apps/pdfapp.c
index 608db8b8..682c0db2 100644
--- a/apps/pdfapp.c
+++ b/apps/pdfapp.c
@@ -133,6 +133,14 @@ static void event_cb(fz_doc_event *event, void *data)
 	case FZ_DOCUMENT_EVENT_EXEC_DIALOG:
 		pdfapp_warn(app, "The document attempted to open a dialog box. (Not supported)");
 		break;
+
+	case FZ_DOCUMENT_EVENT_LAUNCH_URL:
+		{
+			fz_launch_url_event *launch_url = fz_access_launch_url_event(event);
+
+			pdfapp_warn(app, "The document attempted to open url: %s. (Not supported by app)", launch_url->url);
+		}
+		break;
 	}
 }
 
diff --git a/fitz/fitz.h b/fitz/fitz.h
index cb71418a..3a34535c 100644
--- a/fitz/fitz.h
+++ b/fitz/fitz.h
@@ -2676,6 +2676,23 @@ typedef struct
 */
 fz_submit_event *fz_access_submit_event(fz_doc_event *event);
 
+/*
+	fz_launch_url_event: details of a launch-url event. The app should
+	open the url, either in a new frame or in the current window.
+*/
+typedef struct
+{
+	char *url;
+	int new_frame;
+} fz_launch_url_event;
+
+/*
+	fz_access_launch_url_event: access the details of a launch-url
+	event. The returned pointer and all data referred to by the structure
+	are owned by mupdf and need not be freed by the caller.
+*/
+fz_launch_url_event *fz_access_launch_url_event(fz_doc_event *event);
+
 typedef struct fz_write_options_s fz_write_options;
 
 /*
diff --git a/pdf/mupdf-internal.h b/pdf/mupdf-internal.h
index 8c058195..7ac97f2a 100644
--- a/pdf/mupdf-internal.h
+++ b/pdf/mupdf-internal.h
@@ -636,6 +636,7 @@ void pdf_event_issue_alert(pdf_document *doc, fz_alert_event *event);
 void pdf_event_issue_print(pdf_document *doc);
 void pdf_event_issue_exec_menu_item(pdf_document *doc, char *item);
 void pdf_event_issue_exec_dialog(pdf_document *doc);
+void pdf_event_issue_launch_url(pdf_document *doc, char *url, int new_frame);
 
 /*
  * Javascript handler
diff --git a/pdf/pdf_event.c b/pdf/pdf_event.c
index 61af6a29..f76058ce 100644
--- a/pdf/pdf_event.c
+++ b/pdf/pdf_event.c
@@ -79,6 +79,35 @@ void pdf_event_issue_exec_dialog(pdf_document *doc)
 		doc->event_cb(&e, doc->event_cb_data);
 }
 
+typedef struct
+{
+	fz_doc_event base;
+	fz_launch_url_event launch_url;
+} fz_launch_url_event_internal;
+
+fz_launch_url_event *fz_access_launch_url_event(fz_doc_event *event)
+{
+	fz_launch_url_event *launch_url = NULL;
+
+	if (event->type == FZ_DOCUMENT_EVENT_LAUNCH_URL)
+		launch_url = &((fz_launch_url_event_internal *)event)->launch_url;
+
+	return launch_url;
+}
+
+void pdf_event_issue_launch_url(pdf_document *doc, char *url, int new_frame)
+{
+	if (doc->event_cb)
+	{
+		fz_launch_url_event_internal e;
+
+		e.base.type = FZ_DOCUMENT_EVENT_LAUNCH_URL;
+		e.launch_url.url = url;
+		e.launch_url.new_frame = new_frame;
+		doc->event_cb((fz_doc_event *)&e, doc->event_cb_data);
+	}
+}
+
 void pdf_set_doc_event_callback(pdf_document *doc, fz_doc_event_cb *fn, void *data)
 {
 	doc->event_cb = fn;
diff --git a/pdf/pdf_js.c b/pdf/pdf_js.c
index d401b3a2..e690ad09 100644
--- a/pdf/pdf_js.c
+++ b/pdf/pdf_js.c
@@ -120,6 +120,22 @@ static pdf_jsimp_obj *app_execMenuItem(void *jsctx, void *obj, int argc, pdf_jsi
 
 static pdf_jsimp_obj *app_launchURL(void *jsctx, void *obj, int argc, pdf_jsimp_obj *args[])
 {
+	pdf_js *js = (pdf_js *)jsctx;
+	char *cUrl;
+	int bNewFrame = 0;
+
+	switch(argc)
+	{
+	default:
+		return NULL;
+	case 2:
+		bNewFrame = (int)pdf_jsimp_to_number(js->imp, args[1]);
+	case 1:
+		cUrl = pdf_jsimp_to_string(js->imp, args[0]);
+	}
+
+	pdf_event_issue_launch_url(js->doc, cUrl, bNewFrame);
+
 	return NULL;
 }