diff options
Diffstat (limited to 'Source/WebCore/platform/efl/ScrollbarEfl.cpp')
| -rw-r--r-- | Source/WebCore/platform/efl/ScrollbarEfl.cpp | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/Source/WebCore/platform/efl/ScrollbarEfl.cpp b/Source/WebCore/platform/efl/ScrollbarEfl.cpp new file mode 100644 index 0000000..282ca7c --- /dev/null +++ b/Source/WebCore/platform/efl/ScrollbarEfl.cpp @@ -0,0 +1,216 @@ +/* + * Copyright (C) 2007 Holger Hans Peter Freyther zecke@selfish.org + * (C) 2009 Kenneth Rohde Christiansen + * (C) 2009 INdT, Instituto Nokia de Technologia + * (C) 2009-2010 ProFUSION embedded systems + * (C) 2009-2010 Samsung Electronics + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#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 <Evas.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* that = static_cast<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, Scrollbar::NotFromScrollAnimator); +} + +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)) { + Edje_Load_Error 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'", + group, theme.utf8().data(), 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) +{ +} + |