scratchpad: communication between scripts and scratchpad

1 files changed, 33 insertions, 2 deletions

diff --git a/src/scratchpad.c b/src/scratchpad.c
index 4ae25848..00fc0974 100644
--- a/src/scratchpad.c
+++ b/src/scratchpad.c
@@ -17,6 +17,9 @@
  */
 
 #include "dwb.h"
+#include "js.h"
+#include "scripts.h"
+#include <JavaScriptCore/JavaScript.h>
 
 GtkWidget *g_scratchpad;
 static gboolean
@@ -30,6 +33,32 @@ navigation_cb(WebKitWebView *wv, WebKitWebFrame *frame, WebKitNetworkRequest *re
   return false;
 }
 
+
+static JSValueRef 
+sp_send(JSContextRef ctx, JSObjectRef function, JSObjectRef thisObject, size_t argc, const JSValueRef argv[], JSValueRef* exception) {
+  if (argc > 0)
+    scripts_scratchpad_send(ctx, argv[0]);
+  return JSValueMakeUndefined(ctx);
+}
+
+static JSValueRef 
+sp_get(JSContextRef ctx, JSObjectRef function, JSObjectRef this, size_t argc, const JSValueRef argv[], JSValueRef* exc) {
+  scripts_scratchpad_get(ctx, function, this, argc, argv, exc);
+  return JSValueMakeUndefined(ctx);
+}
+
+static void
+window_object_cb(WebKitWebView *wv, WebKitWebFrame *frame, JSContextRef ctx, JSObjectRef window) {
+  if (frame == webkit_web_view_get_main_frame(wv)) {
+    JSObjectRef func = JSObjectMakeFunctionWithCallback(ctx, NULL, sp_get);
+    js_set_property(ctx, window, "dwbGet", func, 
+        kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly, NULL);
+    func = JSObjectMakeFunctionWithCallback(ctx, NULL, sp_send);
+    js_set_property(ctx, window, "dwbSend", func, 
+        kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly, NULL);
+  }
+}
+
 void
 scratchpad_load(const char *text) {
   if (g_str_has_prefix(text, "file://")) 
@@ -43,22 +72,24 @@ scratchpad_show(void) {
   gtk_widget_show(g_scratchpad);
   gtk_widget_grab_focus(g_scratchpad);
 }
+
 void 
 scratchpad_hide(void) {
   gtk_widget_hide(g_scratchpad);
   dwb_focus_scroll(dwb.state.fview);
 }
+
 static void
 scratchpad_init(void) {
   g_scratchpad = webkit_web_view_new();
   g_signal_connect(g_scratchpad, "navigation-policy-decision-requested", G_CALLBACK(navigation_cb), NULL);
+  g_signal_connect(g_scratchpad, "window-object-cleared", G_CALLBACK(window_object_cb), NULL);
   gtk_widget_set_size_request(g_scratchpad, -1, 200);
 }
+
 GtkWidget * 
 scratchpad_get(void) {
   if (g_scratchpad == NULL)
     scratchpad_init();
   return g_scratchpad;
 }
-
-