#include "config.h"
#include "ScrollbarEfl.h"
#include "ChromeClient.h"
#include "Frame.h"
#include "FrameView.h"
#include "GraphicsContext.h"
#include "HostWindow.h"
#include "IntRect.h"
#include "NotImplemented.h"
#include "Page.h"
#include "ScrollbarTheme.h"
#include <Ecore.h>
#include <Edje.h>
#include <string>
#include <wtf/text/CString.h>
using namespace std;
using namespace WebCore;
PassRefPtr<Scrollbar> Scrollbar::createNativeScrollbar(ScrollbarClient* client, ScrollbarOrientation orientation, ScrollbarControlSize size)
{
return adoptRef(new ScrollbarEfl(client, orientation, size));
}
ScrollbarEfl::ScrollbarEfl(ScrollbarClient* client, ScrollbarOrientation orientation, ScrollbarControlSize controlSize)
: Scrollbar(client, orientation, controlSize)
, m_lastPos(0)
, m_lastTotalSize(0)
, m_lastVisibleSize(0)
{
Widget::setFrameRect(IntRect(0, 0, 0, 0));
}
ScrollbarEfl::~ScrollbarEfl()
{
if (!evasObject())
return;
evas_object_del(evasObject());
setEvasObject(0);
}
static void scrollbarEflEdjeMessage(void* data, Evas_Object* o, Edje_Message_Type type, int id, void* msg)
{
ScrollbarEfl::ScrollbarEfl* that = static_cast<ScrollbarEfl::ScrollbarEfl*>(data);
Edje_Message_Float* m;
int v;
if (!id) {
EINA_LOG_ERR("Unknown message id '%d' from scroll bar theme.", id);
return;
}
if (type != EDJE_MESSAGE_FLOAT) {
EINA_LOG_ERR("Message id '%d' of incorrect type from scroll bar theme. "
"Expected '%d', got '%d'.",
id, EDJE_MESSAGE_FLOAT, type);
return;
}
m = static_cast<Edje_Message_Float*>(msg);
v = m->val * (that->totalSize() - that->visibleSize());
that->setValue(v);
}
void ScrollbarEfl::setParent(ScrollView* view)
{
Evas_Object* o = evasObject();
Evas_Coord w, h;
Widget::setParent(view);
if (!o) {
if (!view)
return;
o = edje_object_add(view->evas());
if (!o) {
EINA_LOG_ERR("Could not create edje object for view=%p (evas=%p)",
view, view->evas());
return;
}
edje_object_message_handler_set(o, scrollbarEflEdjeMessage, this);
setEvasObject(o);
} else if (!view) {
evas_object_hide(o);
return;
}
const char* group = (orientation() == HorizontalScrollbar)
? "scrollbar.horizontal" : "scrollbar.vertical";
String theme(edjeThemeRecursive());
if (theme.isEmpty()) {
EINA_LOG_ERR("Could not load theme '%s': no theme path set.", group);
evas_object_hide(o);
return;
}
if (!edje_object_file_set(o, theme.utf8().data(), group)) {
int err = edje_object_load_error_get(o);
const char* errmsg = edje_load_error_str(err);
EINA_LOG_ERR("Could not load theme '%s' from file '%s': #%d '%s'",
theme.utf8().data(), group, err, errmsg);
return;
}
setPlatformWidget(o);
evas_object_smart_member_add(o, view->evasObject());
evas_object_show(o);
edje_object_size_min_get(o, &w, &h);
IntRect rect = frameRect();
rect.setSize(IntSize(w, h));
setFrameRect(rect);
}
void ScrollbarEfl::updateThumbPosition()
{
updateThumbPositionAndProportion();
}
void ScrollbarEfl::updateThumbProportion()
{
updateThumbPositionAndProportion();
}
void ScrollbarEfl::updateThumbPositionAndProportion()
{
if (!platformWidget())
return;
int pos = currentPos();
int tSize = totalSize();
int vSize = visibleSize();
if (m_lastPos == pos
&& m_lastTotalSize == tSize
&& m_lastVisibleSize == vSize)
return;
m_lastPos = pos;
m_lastTotalSize = tSize;
m_lastVisibleSize = vSize;
Edje_Message_Float_Set* msg = static_cast<Edje_Message_Float_Set*>
(alloca(sizeof(Edje_Message_Float_Set) + sizeof(float)));
msg->count = 2;
if (tSize - vSize > 0)
msg->val[0] = pos / (float)(tSize - vSize);
else
msg->val[0] = 0.0;
if (tSize > 0)
msg->val[1] = vSize / (float)tSize;
else
msg->val[1] = 0.0;
edje_object_message_send(platformWidget(), EDJE_MESSAGE_FLOAT_SET, 0, msg);
}
void ScrollbarEfl::setFrameRect(const IntRect& rect)
{
Widget::setFrameRect(rect);
frameRectsChanged();
}
void ScrollbarEfl::frameRectsChanged()
{
Evas_Object* o = platformWidget();
Evas_Coord x, y;
if (!parent() || !o)
return;
IntRect rect = frameRect();
if (parent()->isScrollViewScrollbar(this))
rect.setLocation(parent()->convertToContainingWindow(rect.location()));
else
rect.setLocation(parent()->contentsToWindow(rect.location()));
evas_object_geometry_get(root()->evasObject(), &x, &y, 0, 0);
evas_object_move(o, x + rect.x(), y + rect.y());
evas_object_resize(o, rect.width(), rect.height());
}
void ScrollbarEfl::paint(GraphicsContext* context, const IntRect& rect)
{
}