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
|
#include <QtCore/QDebug>
#include <QtDeclarative/QtDeclarative>
#include "watchserver.h"
#include "watch.h"
#include "gconfkey.h"
#include "declarativewatchwrapper.h"
#include "declarativewatchlet.h"
using namespace sowatch;
bool DeclarativeWatchlet::_registered = false;
DeclarativeWatchlet::DeclarativeWatchlet(Watch* watch, const QString& id) :
GraphicsWatchlet(watch, id),
_engine(0),
_component(0),
_item(0),
_wrapper(0)
{
setScene(new QGraphicsScene(this));
scene()->setItemIndexMethod(QGraphicsScene::NoIndex);
scene()->setStickyFocus(true);
if (!_registered) {
qmlRegisterUncreatableType<DeclarativeWatchWrapper>("com.javispedro.sowatch", 1, 0,
"Watch", "Watch is only available via the 'watch' context property");
qmlRegisterUncreatableType<NotificationsModel>("com.javispedro.sowatch", 1, 0,
"NotificationsModel", "NotificationsModel is only available via the 'notifications' context property");
qmlRegisterType<ConfigKey>();
qmlRegisterType<GConfKey>("com.javispedro.sowatch", 1, 0, "GConfKey");
_registered = true;
}
// A dynamic property on the Watch object is used to share a single
// DeclarativeEngine amongst all DeclarativeWatchlet instances.
QVariant watchEngine = watch->property("declarativeEngine");
if (!watchEngine.isValid()) {
// Create the shared engine
qDebug() << "Starting QDeclarativeEngine";
_engine = new QDeclarativeEngine(watch);
_engine->addImportPath(SOWATCH_QML_DIR);
// Set context properties that are shared by all watchlets here
_engine->rootContext()->setContextProperty("notifications", 0);
watch->setProperty("declarativeEngine", QVariant::fromValue(_engine));
} else {
_engine = watchEngine.value<QDeclarativeEngine*>();
}
_context = new QDeclarativeContext(_engine, this);
_wrapper = new DeclarativeWatchWrapper(watch, this);
_context->setContextProperty("watch", _wrapper);
}
DeclarativeWatchlet::~DeclarativeWatchlet()
{
}
void DeclarativeWatchlet::setSource(const QUrl &url)
{
if (_item) {
scene()->removeItem(_item);
delete _item;
_item = 0;
}
if (_component) {
delete _component;
_component = 0;
}
if (!url.isEmpty()) {
_component = new QDeclarativeComponent(_engine, url, this);
connect(_component, SIGNAL(statusChanged(QDeclarativeComponent::Status)),
SLOT(handleComponentStatus(QDeclarativeComponent::Status)));
if (!_component->isLoading()) {
/* No signals are going to be generated for this. */
handleComponentStatus(_component->status());
} else {
connect(_component, SIGNAL(statusChanged(QDeclarativeComponent::Status)),
this, SLOT(handleComponentStatus(QDeclarativeComponent::Status)));
}
}
}
QDeclarativeContext* DeclarativeWatchlet::context()
{
return _context;
}
QDeclarativeItem* DeclarativeWatchlet::rootObject()
{
return _item;
}
void DeclarativeWatchlet::activate()
{
// Now we certainly know the watch's area, so it is a good moment to
// resize the root object if needed.
if (_item) {
Watch *watch = this->watch();
if (!qFuzzyCompare(watch->width(), _item->width())) {
qDebug() << "Resizing root object to width" << watch->width();
_item->setWidth(watch->width());
}
if (!qFuzzyCompare(watch->height(), _item->height())) {
qDebug() << "Resizing root object to height" << watch->width();
_item->setHeight(watch->height());
}
}
GraphicsWatchlet::activate();
_wrapper->activate();
}
void DeclarativeWatchlet::deactivate()
{
_wrapper->deactivate();
GraphicsWatchlet::deactivate();
}
void DeclarativeWatchlet::setNotificationsModel(NotificationsModel *model)
{
qDebug() << Q_FUNC_INFO;
_context->setContextProperty("notifications", model);
}
void DeclarativeWatchlet::setRootObject(QDeclarativeItem *item)
{
Q_ASSERT(_item == 0); /* This function should not be called with a current object. */
if (!item) {
qWarning() << "QML root object is not a declarative item?";
return;
}
_item = item;
scene()->addItem(_item);
}
void DeclarativeWatchlet::handleComponentStatus(QDeclarativeComponent::Status status)
{
QObject *obj;
disconnect(_component, SIGNAL(statusChanged(QDeclarativeComponent::Status)),
this, SLOT(handleComponentStatus(QDeclarativeComponent::Status)));
switch (status) {
case QDeclarativeComponent::Null:
case QDeclarativeComponent::Loading:
/* Nothing to do */
break;
case QDeclarativeComponent::Ready:
obj = _component->create(_context);
if (_component->isError()) {
qWarning() << "QML has errors found while creating:";
qWarning() << _component->errors();
return;
}
setRootObject(qobject_cast<QDeclarativeItem*>(obj));
break;
case QDeclarativeComponent::Error:
qWarning() << "QML has errors found while loading:";
qWarning() << _component->errors();
break;
}
}
|
