tests/mocks/Unity/Application/MirSurfaceItem.cpp · unity8

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unity8/tests/mocks/Unity/Application/MirSurfaceItem.cpp

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1/*

3 *

4 * This program is free software; you can redistribute it and/or modify

5 * it under the terms of the GNU General Public License as published by

6 * the Free Software Foundation; version 3.

7 *

8 * This program is distributed in the hope that it will be useful,

9 * but WITHOUT ANY WARRANTY; without even the implied warranty of

10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

11 * GNU General Public License for more details.

12 *

13 * You should have received a copy of the GNU General Public License

14 * along with this program. If not, see <http://www.gnu.org/licenses/>.

15 */

17#include "MirSurfaceItem.h"

18#include "ApplicationInfo.h"

20#include <paths.h>

22#include <QGuiApplication>

23#include <QQuickView>

24#include <QQmlProperty>

25#include <QQmlEngine>

26#include <QString>

28#include <QDebug>

30MirSurfaceItem::MirSurfaceItem(const QString& name,

31 MirSurfaceItem::Type type,

32 MirSurfaceItem::State state,

33 const QUrl& screenshot,

34 const QString &qmlFilePath,

35 QQuickItem *parent)

36 : QQuickItem(parent)

37 , m_application(nullptr)

38 , m_name(name)

39 , m_type(type)

40 , m_state(state)

41 , m_parentSurface(nullptr)

42 , m_qmlItem(nullptr)

43 , m_screenshotUrl(screenshot)

44{

45 qDebug() << "MirSurfaceItem::MirSurfaceItem() " << this->name();

47 QQmlEngine::setObjectOwnership(this, QQmlEngine::CppOwnership);

49 connect(this, &QQuickItem::focusChanged,

50 this, &MirSurfaceItem::onFocusChanged);

52 // The assumptions I make here really should hold.

53 QQuickView *quickView =

54 qobject_cast<QQuickView*>(QGuiApplication::topLevelWindows()[0]);

56 QString qmlComponentFilePath;

57 if (!qmlFilePath.isEmpty()) {

58 qmlComponentFilePath.append(qmlFilePath);

59 } else {

60 qmlComponentFilePath = QString("%1/Unity/Application/MirSurfaceItem.qml")

61 .arg(mockPluginsDir());

62 }

64 m_qmlContentComponent = new QQmlComponent(quickView->engine(), qmlComponentFilePath);

66 switch (m_qmlContentComponent->status()) {

67 case QQmlComponent::Ready:

68 createQmlContentItem();

69 break;

70 case QQmlComponent::Loading:

71 connect(m_qmlContentComponent, &QQmlComponent::statusChanged,

72 this, &MirSurfaceItem::onComponentStatusChanged);

73 break;

74 case QQmlComponent::Error:

75 printComponentErrors();

76 qFatal("MirSurfaceItem: failed to create content component.");

77 break;

78 default:

79 qFatal("MirSurfaceItem: Unhandled component status");

80 }

81}

83MirSurfaceItem::~MirSurfaceItem()

84{

85 qDebug() << "MirSurfaceItem::~MirSurfaceItem() " << name();

87 QList<MirSurfaceItem*> children(m_children);

88 for (MirSurfaceItem* child : children) {

89 child->setParentSurface(nullptr);

90 }

91 if (m_parentSurface)

92 m_parentSurface->removeChildSurface(this);

94 if (m_application)

95 m_application->removeSurface(this);

96}

98void MirSurfaceItem::printComponentErrors()

99{

100 QList<QQmlError> errors = m_qmlContentComponent->errors();

101 for (int i = 0; i < errors.count(); ++i) {

102 qDebug() << errors[i];

103 }

104}

105

106void MirSurfaceItem::release()

107{

108 QList<MirSurfaceItem*> children(m_children);

109 for (MirSurfaceItem* child : children) {

110 child->release();

111 }

112 if (m_parentSurface) {

113 m_parentSurface->removeChildSurface(this);

114 }

115

116 if (m_application) {

117 m_application->removeSurface(this);

118 }

119 if (!parent()) {

120 deleteLater();

121 }

122}

123

124void MirSurfaceItem::setApplication(ApplicationInfo* application)

125{

126 m_application = application;

127}

128

129void MirSurfaceItem::setParentSurface(MirSurfaceItem* surface)

130{

131 if (m_parentSurface == surface || surface == this)

132 return;

133

134 if (m_parentSurface) {

135 m_parentSurface->removeChildSurface(this);

136 }

137

138 m_parentSurface = surface;

139

140 if (m_parentSurface) {

141 m_parentSurface->addChildSurface(this);

142 }

143 Q_EMIT parentSurfaceChanged(surface);

144}

145

146void MirSurfaceItem::addChildSurface(MirSurfaceItem* surface)

147{

148 qDebug() << "MirSurfaceItem::addChildSurface " << surface->name() << " to " << name();

149

150 m_children.append(surface);

151 Q_EMIT childSurfacesChanged();

152}

153

154void MirSurfaceItem::removeChildSurface(MirSurfaceItem* surface)

155{

156 qDebug() << "MirSurfaceItem::removeChildSurface " << surface->name() << " from " << name();

157

158 if (m_children.contains(surface)) {

159 m_children.removeOne(surface);

160 Q_EMIT childSurfacesChanged();

161 }

162}

163

164QList<MirSurfaceItem*> MirSurfaceItem::childSurfaceList()

165{

166 return m_children;

167}

168

169QQmlListProperty<MirSurfaceItem> MirSurfaceItem::childSurfaces()

170{

171 return QQmlListProperty<MirSurfaceItem>(this,

172 0,

173 MirSurfaceItem::childSurfaceCount,

174 MirSurfaceItem::childSurfaceAt);

175}

176

177int MirSurfaceItem::childSurfaceCount(QQmlListProperty<MirSurfaceItem> *prop)

178{

179 MirSurfaceItem *p = qobject_cast<MirSurfaceItem*>(prop->object);

180 return p->m_children.count();

181}

182

183MirSurfaceItem* MirSurfaceItem::childSurfaceAt(QQmlListProperty<MirSurfaceItem> *prop, int index)

184{

185 MirSurfaceItem *p = qobject_cast<MirSurfaceItem*>(prop->object);

186

187 if (index < 0 || index >= p->m_children.count())

188 return nullptr;

189 return p->m_children[index];

190}

191

192

193void MirSurfaceItem::onQmlWantInputMethodChanged()

194{

195 QQmlProperty prop(m_qmlItem, "wantInputMethod");

196 bool wantInputMethod = prop.read().toBool();

197

198 if (hasFocus() && wantInputMethod) {

199 Q_EMIT inputMethodRequested();

200 }

201}

202

203void MirSurfaceItem::onFocusChanged()

204{

205 QQmlProperty prop(m_qmlItem, "wantInputMethod");

206 bool wantInputMethod = prop.read().toBool();

207

208 if (!hasFocus() && wantInputMethod) {

209 Q_EMIT inputMethodDismissed();

210 prop.write(QVariant::fromValue(false));

211 }

212}

213

214void MirSurfaceItem::setState(MirSurfaceItem::State newState)

215{

216 if (newState != m_state) {

217 m_state = newState;

218 Q_EMIT stateChanged(newState);

219 }

220}

221

222void MirSurfaceItem::onComponentStatusChanged(QQmlComponent::Status status)

223{

224 if (status == QQmlComponent::Ready) {

225 createQmlContentItem();

226 }

227}

228

229void MirSurfaceItem::createQmlContentItem()

230{

231 qDebug() << "MirSurfaceItem::createQmlContentItem()";

232

233 m_qmlItem = qobject_cast<QQuickItem*>(m_qmlContentComponent->create());

234 m_qmlItem->setParentItem(this);

235

236 setImplicitWidth(m_qmlItem->implicitWidth());

237 setImplicitHeight(m_qmlItem->implicitHeight());

238

239 {

240 QQmlProperty screenshotSource(m_qmlItem, "screenshotSource");

241 screenshotSource.write(QVariant::fromValue(m_screenshotUrl));

242 }

243

244 {

245 QQmlProperty prop(m_qmlItem, "wantInputMethod");

246 if (prop.type() == QQmlProperty::Property) {

247 bool ok = prop.connectNotifySignal(this, SLOT(onQmlWantInputMethodChanged()));

248 if (!ok) qCritical("MirSurfaceItem: failed to connect to wantInputMethod notify signal");

249 }

250 }

251}