/**
* Callback for html form textareas.
*/
static void box_textarea_callback(void *data, struct textarea_msg *msg)
{
struct form_textarea_data *d = data;
struct form_control *gadget = d->gadget;
struct html_content *html = d->gadget->html;
struct box *box = gadget->box;
switch (msg->type) {
case TEXTAREA_MSG_DRAG_REPORT:
if (msg->data.drag == TEXTAREA_DRAG_NONE) {
/* Textarea drag finished */
html_drag_type drag_type = HTML_DRAG_NONE;
union html_drag_owner drag_owner;
drag_owner.no_owner = true;
html_set_drag_type(html, drag_type, drag_owner,
NULL);
} else {
/* Textarea drag started */
struct rect rect = {
.x0 = INT_MIN,
.y0 = INT_MIN,
.x1 = INT_MAX,
.y1 = INT_MAX
};
union html_drag_owner drag_owner;
drag_owner.textarea = box;
switch (msg->data.drag) {
case TEXTAREA_DRAG_SCROLLBAR:
html_set_drag_type(html,
HTML_DRAG_TEXTAREA_SCROLLBAR,
drag_owner,
&rect);
break;
case TEXTAREA_DRAG_SELECTION:
html_set_drag_type(html,
HTML_DRAG_TEXTAREA_SELECTION,
drag_owner,
&rect);
break;
default:
LOG("Drag type %d not handled.", msg->data.drag);
/* This is a logic faliure in the
* front end code so abort.
*/
assert(0);
break;
}
}
break;
case TEXTAREA_MSG_REDRAW_REQUEST:
{
/* Request redraw of the required textarea rectangle */
int x, y;
if (html->reflowing == true) {
/* Can't redraw during layout, and it will
* be redrawn after layout anyway. */
break;
}
box_coords(box, &x, &y);
content__request_redraw((struct content *)html,
x + msg->data.redraw.x0,
y + msg->data.redraw.y0,
msg->data.redraw.x1 - msg->data.redraw.x0,
msg->data.redraw.y1 - msg->data.redraw.y0);
}
break;
case TEXTAREA_MSG_SELECTION_REPORT:
if (msg->data.selection.have_selection) {
/* Textarea now has a selection */
union html_selection_owner sel_owner;
sel_owner.textarea = box;
html_set_selection(html, HTML_SELECTION_TEXTAREA,
sel_owner,
msg->data.selection.read_only);
} else {
/* The textarea now has no selection */
union html_selection_owner sel_owner;
sel_owner.none = true;
html_set_selection(html, HTML_SELECTION_NONE,
sel_owner, true);
}
break;
case TEXTAREA_MSG_CARET_UPDATE:
if (html->bw == NULL)
break;
if (msg->data.caret.type == TEXTAREA_CARET_HIDE) {
union html_focus_owner focus_owner;
focus_owner.textarea = box;
html_set_focus(html, HTML_FOCUS_TEXTAREA,
focus_owner, true, 0, 0, 0, NULL);
} else {
union html_focus_owner focus_owner;
focus_owner.textarea = box;
html_set_focus(html, HTML_FOCUS_TEXTAREA,
focus_owner, false,
msg->data.caret.pos.x,
msg->data.caret.pos.y,
msg->data.caret.pos.height,
msg->data.caret.pos.clip);
}
break;
case TEXTAREA_MSG_TEXT_MODIFIED:
form_gadget_update_value(gadget,
strndup(msg->data.modified.text,
msg->data.modified.len));
break;
}
}
static nserror
html_object_callback(hlcache_handle *object,
const hlcache_event *event,
void *pw)
{
struct content_html_object *o = pw;
html_content *c = (html_content *) o->parent;
int x, y;
struct box *box;
assert(c->base.status != CONTENT_STATUS_ERROR);
box = o->box;
if (box == NULL && event->type != CONTENT_MSG_ERROR) {
return NSERROR_OK;
}
switch (event->type) {
case CONTENT_MSG_LOADING:
if (c->base.status != CONTENT_STATUS_LOADING && c->bw != NULL)
content_open(object,
c->bw, &c->base,
box->object_params);
break;
case CONTENT_MSG_READY:
if (content_can_reformat(object)) {
/* TODO: avoid knowledge of box internals here */
content_reformat(object, false,
box->max_width != UNKNOWN_MAX_WIDTH ?
box->width : 0,
box->max_width != UNKNOWN_MAX_WIDTH ?
box->height : 0);
/* Adjust parent content for new object size */
html_object_done(box, object, o->background);
if (c->base.status == CONTENT_STATUS_READY ||
c->base.status == CONTENT_STATUS_DONE)
content__reformat(&c->base, false,
c->base.available_width,
c->base.height);
}
break;
case CONTENT_MSG_DONE:
c->base.active--;
LOG("%d fetches active", c->base.active);
html_object_done(box, object, o->background);
if (c->base.status != CONTENT_STATUS_LOADING &&
box->flags & REPLACE_DIM) {
union content_msg_data data;
if (!box_visible(box))
break;
box_coords(box, &x, &y);
data.redraw.x = x + box->padding[LEFT];
data.redraw.y = y + box->padding[TOP];
data.redraw.width = box->width;
data.redraw.height = box->height;
data.redraw.full_redraw = true;
content_broadcast(&c->base, CONTENT_MSG_REDRAW, data);
}
break;
case CONTENT_MSG_ERROR:
hlcache_handle_release(object);
o->content = NULL;
if (box != NULL) {
c->base.active--;
LOG("%d fetches active", c->base.active);
content_add_error(&c->base, "?", 0);
html_object_failed(box, c, o->background);
}
break;
case CONTENT_MSG_REDRAW:
if (c->base.status != CONTENT_STATUS_LOADING) {
union content_msg_data data = event->data;
if (!box_visible(box))
break;
box_coords(box, &x, &y);
if (object == box->background) {
/* Redraw request is for background */
css_fixed hpos = 0, vpos = 0;
css_unit hunit = CSS_UNIT_PX;
css_unit vunit = CSS_UNIT_PX;
int width = box->padding[LEFT] + box->width +
box->padding[RIGHT];
int height = box->padding[TOP] + box->height +
box->padding[BOTTOM];
int t, h, l, w;
/* Need to know background-position */
css_computed_background_position(box->style,
&hpos, &hunit, &vpos, &vunit);
w = content_get_width(box->background);
if (hunit == CSS_UNIT_PCT) {
l = (width - w) * hpos / INTTOFIX(100);
} else {
l = FIXTOINT(nscss_len2px(hpos, hunit,
box->style));
}
h = content_get_height(box->background);
if (vunit == CSS_UNIT_PCT) {
t = (height - h) * vpos / INTTOFIX(100);
} else {
t = FIXTOINT(nscss_len2px(vpos, vunit,
box->style));
}
/* Redraw area depends on background-repeat */
switch (css_computed_background_repeat(
box->style)) {
case CSS_BACKGROUND_REPEAT_REPEAT:
data.redraw.x = 0;
data.redraw.y = 0;
data.redraw.width = box->width;
data.redraw.height = box->height;
break;
case CSS_BACKGROUND_REPEAT_REPEAT_X:
data.redraw.x = 0;
data.redraw.y += t;
data.redraw.width = box->width;
break;
case CSS_BACKGROUND_REPEAT_REPEAT_Y:
data.redraw.x += l;
data.redraw.y = 0;
data.redraw.height = box->height;
break;
case CSS_BACKGROUND_REPEAT_NO_REPEAT:
data.redraw.x += l;
data.redraw.y += t;
break;
default:
break;
}
data.redraw.object_width = box->width;
data.redraw.object_height = box->height;
/* Add offset to box */
data.redraw.x += x;
data.redraw.y += y;
data.redraw.object_x += x;
data.redraw.object_y += y;
content_broadcast(&c->base,
CONTENT_MSG_REDRAW, data);
break;
} else {
/* Non-background case */
if (hlcache_handle_get_content(object) ==
event->data.redraw.object) {
int w = content_get_width(object);
int h = content_get_height(object);
if (w != 0) {
data.redraw.x =
data.redraw.x *
box->width / w;
data.redraw.width =
data.redraw.width *
box->width / w;
}
if (h != 0) {
data.redraw.y =
data.redraw.y *
box->height / h;
data.redraw.height =
data.redraw.height *
box->height / h;
}
data.redraw.object_width = box->width;
data.redraw.object_height = box->height;
}
data.redraw.x += x + box->padding[LEFT];
data.redraw.y += y + box->padding[TOP];
data.redraw.object_x += x + box->padding[LEFT];
data.redraw.object_y += y + box->padding[TOP];
}
content_broadcast(&c->base, CONTENT_MSG_REDRAW, data);
}
break;
case CONTENT_MSG_REFRESH:
if (content_get_type(object) == CONTENT_HTML) {
/* only for HTML objects */
guit->misc->schedule(event->data.delay * 1000,
html_object_refresh, o);
}
break;
case CONTENT_MSG_LINK:
/* Don't care about favicons that aren't on top level content */
break;
case CONTENT_MSG_GETCTX:
*(event->data.jscontext) = NULL;
break;
case CONTENT_MSG_SCROLL:
if (box->scroll_x != NULL)
scrollbar_set(box->scroll_x, event->data.scroll.x0,
false);
if (box->scroll_y != NULL)
scrollbar_set(box->scroll_y, event->data.scroll.y0,
false);
break;
case CONTENT_MSG_DRAGSAVE:
{
union content_msg_data msg_data;
if (event->data.dragsave.content == NULL)
msg_data.dragsave.content = object;
else
msg_data.dragsave.content =
event->data.dragsave.content;
content_broadcast(&c->base, CONTENT_MSG_DRAGSAVE, msg_data);
}
break;
case CONTENT_MSG_SAVELINK:
case CONTENT_MSG_POINTER:
case CONTENT_MSG_SELECTMENU:
case CONTENT_MSG_GADGETCLICK:
/* These messages are for browser window layer.
* we're not interested, so pass them on. */
content_broadcast(&c->base, event->type, event->data);
break;
case CONTENT_MSG_CARET:
{
union html_focus_owner focus_owner;
focus_owner.content = box;
switch (event->data.caret.type) {
case CONTENT_CARET_REMOVE:
case CONTENT_CARET_HIDE:
html_set_focus(c, HTML_FOCUS_CONTENT, focus_owner,
true, 0, 0, 0, NULL);
break;
case CONTENT_CARET_SET_POS:
html_set_focus(c, HTML_FOCUS_CONTENT, focus_owner,
false, event->data.caret.pos.x,
event->data.caret.pos.y,
event->data.caret.pos.height,
event->data.caret.pos.clip);
break;
}
}
break;
case CONTENT_MSG_DRAG:
{
html_drag_type drag_type = HTML_DRAG_NONE;
union html_drag_owner drag_owner;
drag_owner.content = box;
switch (event->data.drag.type) {
case CONTENT_DRAG_NONE:
drag_type = HTML_DRAG_NONE;
drag_owner.no_owner = true;
break;
case CONTENT_DRAG_SCROLL:
drag_type = HTML_DRAG_CONTENT_SCROLL;
break;
case CONTENT_DRAG_SELECTION:
drag_type = HTML_DRAG_CONTENT_SELECTION;
break;
}
html_set_drag_type(c, drag_type, drag_owner,
event->data.drag.rect);
}
break;
case CONTENT_MSG_SELECTION:
{
html_selection_type sel_type;
union html_selection_owner sel_owner;
if (event->data.selection.selection) {
sel_type = HTML_SELECTION_CONTENT;
sel_owner.content = box;
} else {
sel_type = HTML_SELECTION_NONE;
sel_owner.none = true;
}
html_set_selection(c, sel_type, sel_owner,
event->data.selection.read_only);
}
break;
default:
break;
}
if (c->base.status == CONTENT_STATUS_READY && c->base.active == 0 &&
(event->type == CONTENT_MSG_LOADING ||
event->type == CONTENT_MSG_DONE ||
event->type == CONTENT_MSG_ERROR)) {
/* all objects have arrived */
content__reformat(&c->base, false, c->base.available_width,
c->base.height);
content_set_done(&c->base);
}
/* If 1) the configuration option to reflow pages while objects are
* fetched is set
* 2) an object is newly fetched & converted,
* 3) the box's dimensions need to change due to being replaced
* 4) the object's parent HTML is ready for reformat,
* 5) the time since the previous reformat is more than the
* configured minimum time between reformats
* then reformat the page to display newly fetched objects */
else if (nsoption_bool(incremental_reflow) &&
event->type == CONTENT_MSG_DONE &&
box != NULL && !(box->flags & REPLACE_DIM) &&
(c->base.status == CONTENT_STATUS_READY ||
c->base.status == CONTENT_STATUS_DONE) &&
(wallclock() > c->base.reformat_time)) {
content__reformat(&c->base, false, c->base.available_width,
c->base.height);
}
return NSERROR_OK;
}
