1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
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)
{
}
|
