swfdec/swfdec_selection.c

   1 /* Swfdec
   2  * Copyright (C) 2007 Pekka Lampila <pekka.lampila@iki.fi>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301  USA
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "swfdec_as_internal.h"
  25 #include "swfdec_as_strings.h"
  26 #include "swfdec_as_context.h"
  27 #include "swfdec_debug.h"
  28 #include "swfdec_movie.h"
  29 #include "swfdec_player_internal.h"
  30 #include "swfdec_sandbox.h"
  31 #include "swfdec_button_movie.h"
  32 #include "swfdec_sprite_movie.h"
  33 #include "swfdec_text_field_movie.h"
  34 #include "swfdec_text_buffer.h"
  35
  36 SWFDEC_AS_NATIVE (600, 0, swfdec_selection_getBeginIndex)
  37 void
  38 swfdec_selection_getBeginIndex (SwfdecAsContext *cx, SwfdecAsObject *object,
  39     guint argc, SwfdecAsValue *argv, SwfdecAsValue *ret)
  40 {
  41   SwfdecPlayerPrivate *priv = SWFDEC_PLAYER (cx)->priv;
  42   SwfdecTextFieldMovie *text;
  43   gsize start, end;
  44   const char *s;
  45
  46   if (!SWFDEC_IS_TEXT_FIELD_MOVIE (priv->focus)) {
  47     *ret = swfdec_as_value_from_integer (cx, -1);
  48     return;
  49   }
  50   text = SWFDEC_TEXT_FIELD_MOVIE (priv->focus);
  51   swfdec_text_buffer_get_selection (text->text, &start, &end);
  52   s = swfdec_text_buffer_get_text (text->text);
  53   *ret = swfdec_as_value_from_integer (cx, g_utf8_pointer_to_offset (s, s + start));
  54 }
  55
  56 SWFDEC_AS_NATIVE (600, 1, swfdec_selection_getEndIndex)
  57 void
  58 swfdec_selection_getEndIndex (SwfdecAsContext *cx, SwfdecAsObject *object,
  59     guint argc, SwfdecAsValue *argv, SwfdecAsValue *ret)
  60 {
  61   SwfdecPlayerPrivate *priv = SWFDEC_PLAYER (cx)->priv;
  62   SwfdecTextFieldMovie *text;
  63   gsize start, end;
  64   const char *s;
  65
  66   if (!SWFDEC_IS_TEXT_FIELD_MOVIE (priv->focus)) {
  67     *ret = swfdec_as_value_from_integer (cx, -1);
  68     return;
  69   }
  70   text = SWFDEC_TEXT_FIELD_MOVIE (priv->focus);
  71   swfdec_text_buffer_get_selection (text->text, &start, &end);
  72   s = swfdec_text_buffer_get_text (text->text);
  73   *ret = swfdec_as_value_from_integer (cx, g_utf8_pointer_to_offset (s, s + end));
  74 }
  75
  76 SWFDEC_AS_NATIVE (600, 2, swfdec_selection_getCaretIndex)
  77 void
  78 swfdec_selection_getCaretIndex (SwfdecAsContext *cx, SwfdecAsObject *object,
  79     guint argc, SwfdecAsValue *argv, SwfdecAsValue *ret)
  80 {
  81   SwfdecPlayerPrivate *priv = SWFDEC_PLAYER (cx)->priv;
  82   SwfdecTextFieldMovie *text;
  83   const char *s;
  84
  85   if (!SWFDEC_IS_TEXT_FIELD_MOVIE (priv->focus)) {
  86     *ret = swfdec_as_value_from_integer (cx, -1);
  87     return;
  88   }
  89   text = SWFDEC_TEXT_FIELD_MOVIE (priv->focus);
  90   s = swfdec_text_buffer_get_text (text->text);
  91   *ret = swfdec_as_value_from_integer (cx, g_utf8_pointer_to_offset (s,
  92         s + swfdec_text_buffer_get_cursor (text->text)));
  93 }
  94
  95 SWFDEC_AS_NATIVE (600, 3, swfdec_selection_getFocus)
  96 void
  97 swfdec_selection_getFocus (SwfdecAsContext *cx, SwfdecAsObject *object,
  98     guint argc, SwfdecAsValue *argv, SwfdecAsValue *ret)
  99 {
 100   SwfdecPlayerPrivate *priv = SWFDEC_PLAYER (cx)->priv;
 101
 102   if (priv->focus) {
 103     char *s = swfdec_movie_get_path (SWFDEC_MOVIE (priv->focus), TRUE);
 104     SWFDEC_AS_VALUE_SET_STRING (ret, swfdec_as_context_give_string (cx, s));
 105   } else {
 106     SWFDEC_AS_VALUE_SET_NULL (ret);
 107   }
 108 }
 109
 110 static gboolean
 111 swfdec_actor_can_grab_focus (SwfdecActor *actor)
 112 {
 113   SwfdecAsValue val;
 114
 115   /* Functions like this just make me love Flash */
 116   if (SWFDEC_IS_SPRITE_MOVIE (actor) ||
 117       SWFDEC_IS_BUTTON_MOVIE (actor)) {
 118     if (SWFDEC_MOVIE (actor)->parent == NULL)
 119       return FALSE;
 120     if (!swfdec_as_object_get_variable (swfdec_as_relay_get_as_object (SWFDEC_AS_RELAY (actor)),
 121         SWFDEC_AS_STR_focusEnabled, &val))
 122       return swfdec_actor_get_mouse_events (actor);
 123     return swfdec_as_value_to_boolean (swfdec_gc_object_get_context (actor), val);
 124   } else if (SWFDEC_IS_TEXT_FIELD_MOVIE (actor)) {
 125     /* cool that you can select all textfields, eh? */
 126     return TRUE;
 127   } else {
 128     return FALSE;
 129   }
 130 }
 131
 132 SWFDEC_AS_NATIVE (600, 4, swfdec_selection_setFocus)
 133 void
 134 swfdec_selection_setFocus (SwfdecAsContext *cx, SwfdecAsObject *object,
 135     guint argc, SwfdecAsValue *argv, SwfdecAsValue *ret)
 136 {
 137   SwfdecActor *actor;
 138   SwfdecSandbox *sandbox;
 139
 140   SWFDEC_AS_VALUE_SET_BOOLEAN (ret, FALSE);
 141   SWFDEC_AS_CHECK (0, NULL, "M", &actor);
 142
 143   if (actor != NULL) {
 144     if (!SWFDEC_IS_ACTOR (actor) ||
 145         !swfdec_actor_can_grab_focus (actor))
 146       return;
 147   }
 148
 149   /* FIXME: how is security handled here? */
 150   sandbox = swfdec_sandbox_get (SWFDEC_PLAYER (cx));
 151   swfdec_sandbox_unuse (sandbox);
 152   swfdec_player_grab_focus (SWFDEC_PLAYER (cx), actor);
 153   swfdec_sandbox_use (sandbox);
 154   if (actor == NULL) {
 155     SWFDEC_AS_VALUE_SET_BOOLEAN (ret, TRUE);
 156   }
 157   return;
 158 }
 159
 160 SWFDEC_AS_NATIVE (600, 5, swfdec_selection_setSelection)
 161 void
 162 swfdec_selection_setSelection (SwfdecAsContext *cx, SwfdecAsObject *object,
 163     guint argc, SwfdecAsValue *argv, SwfdecAsValue *ret)
 164 {
 165   SWFDEC_STUB ("Selection.setSelection (static)");
 166 }