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3 ** Copyright (C) 2018 The Qt Company Ltd.
4 ** Copyright (C) 2013 BogDan Vatra <bogdan@kde.org>
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40
41 #include "qandroidplatformdialoghelpers.h"
42 #include "androidjnimain.h"
43
44 #include <QTextDocument>
45
46 #include <private/qguiapplication_p.h>
47 #include <qpa/qplatformtheme.h>
48
49 QT_BEGIN_NAMESPACE
50
51 namespace QtAndroidDialogHelpers {
52 static jclass g_messageDialogHelperClass = 0;
53
54 static const char QtMessageHandlerHelperClassName[] = "org/qtproject/qt5/android/QtMessageDialogHelper";
55
QAndroidPlatformMessageDialogHelper()56 QAndroidPlatformMessageDialogHelper::QAndroidPlatformMessageDialogHelper()
57 :m_buttonId(-1)
58 ,m_javaMessageDialog(g_messageDialogHelperClass, "(Landroid/app/Activity;)V", QtAndroid::activity())
59 ,m_shown(false)
60 {
61 }
62
exec()63 void QAndroidPlatformMessageDialogHelper::exec()
64 {
65 if (!m_shown)
66 show(Qt::Dialog, Qt::ApplicationModal, 0);
67 m_loop.exec();
68 }
69
htmlText(QString text)70 static QString htmlText(QString text)
71 {
72 if (Qt::mightBeRichText(text))
73 return text;
74 text.remove(QLatin1Char('\r'));
75 return text.toHtmlEscaped().replace(QLatin1Char('\n'), QLatin1String("<br />"));
76 }
77
show(Qt::WindowFlags windowFlags,Qt::WindowModality windowModality,QWindow * parent)78 bool QAndroidPlatformMessageDialogHelper::show(Qt::WindowFlags windowFlags
79 , Qt::WindowModality windowModality
80 , QWindow *parent)
81 {
82 Q_UNUSED(windowFlags)
83 Q_UNUSED(windowModality)
84 Q_UNUSED(parent)
85 QSharedPointer<QMessageDialogOptions> opt = options();
86 if (!opt.data())
87 return false;
88
89 m_javaMessageDialog.callMethod<void>("setIcon", "(I)V", opt->icon());
90
91 QString str = htmlText(opt->windowTitle());
92 if (!str.isEmpty())
93 m_javaMessageDialog.callMethod<void>("setTile", "(Ljava/lang/String;)V", QJNIObjectPrivate::fromString(str).object());
94
95 str = htmlText(opt->text());
96 if (!str.isEmpty())
97 m_javaMessageDialog.callMethod<void>("setText", "(Ljava/lang/String;)V", QJNIObjectPrivate::fromString(str).object());
98
99 str = htmlText(opt->informativeText());
100 if (!str.isEmpty())
101 m_javaMessageDialog.callMethod<void>("setInformativeText", "(Ljava/lang/String;)V", QJNIObjectPrivate::fromString(str).object());
102
103 str = htmlText(opt->detailedText());
104 if (!str.isEmpty())
105 m_javaMessageDialog.callMethod<void>("setDetailedText", "(Ljava/lang/String;)V", QJNIObjectPrivate::fromString(str).object());
106
107 const int * currentLayout = buttonLayout(Qt::Horizontal, AndroidLayout);
108 while (*currentLayout != QPlatformDialogHelper::EOL) {
109 int role = (*currentLayout & ~QPlatformDialogHelper::Reverse);
110 addButtons(opt, static_cast<ButtonRole>(role));
111 ++currentLayout;
112 }
113
114 m_javaMessageDialog.callMethod<void>("show", "(J)V", jlong(static_cast<QObject*>(this)));
115 m_shown = true;
116 return true;
117 }
118
addButtons(QSharedPointer<QMessageDialogOptions> opt,ButtonRole role)119 void QAndroidPlatformMessageDialogHelper::addButtons(QSharedPointer<QMessageDialogOptions> opt, ButtonRole role)
120 {
121 for (const QMessageDialogOptions::CustomButton &b : opt->customButtons()) {
122 if (b.role == role) {
123 QString label = b.label;
124 label.remove(QChar('&'));
125 m_javaMessageDialog.callMethod<void>("addButton", "(ILjava/lang/String;)V", b.id,
126 QJNIObjectPrivate::fromString(label).object());
127 }
128 }
129
130 for (int i = QPlatformDialogHelper::FirstButton; i < QPlatformDialogHelper::LastButton; i<<=1) {
131 StandardButton b = static_cast<StandardButton>(i);
132 if (buttonRole(b) == role && (opt->standardButtons() & i)) {
133 const QString text = QGuiApplicationPrivate::platformTheme()->standardButtonText(b);
134 m_javaMessageDialog.callMethod<void>("addButton", "(ILjava/lang/String;)V", i, QJNIObjectPrivate::fromString(text).object());
135 }
136 }
137 }
138
hide()139 void QAndroidPlatformMessageDialogHelper::hide()
140 {
141 m_javaMessageDialog.callMethod<void>("hide", "()V");
142 m_shown = false;
143 }
144
dialogResult(int buttonID)145 void QAndroidPlatformMessageDialogHelper::dialogResult(int buttonID)
146 {
147 m_buttonId = buttonID;
148 if (m_loop.isRunning())
149 m_loop.exit();
150 if (m_buttonId < 0) {
151 emit reject();
152 return;
153 }
154
155 QPlatformDialogHelper::StandardButton standardButton = static_cast<QPlatformDialogHelper::StandardButton>(buttonID);
156 QPlatformDialogHelper::ButtonRole role = QPlatformDialogHelper::buttonRole(standardButton);
157 if (buttonID > QPlatformDialogHelper::LastButton) {
158 const QMessageDialogOptions::CustomButton *custom = options()->customButton(buttonID);
159 Q_ASSERT(custom);
160 role = custom->role;
161 }
162
163 emit clicked(standardButton, role);
164 }
165
dialogResult(JNIEnv *,jobject,jlong handler,int buttonID)166 static void dialogResult(JNIEnv * /*env*/, jobject /*thiz*/, jlong handler, int buttonID)
167 {
168 QObject *object = reinterpret_cast<QObject *>(handler);
169 QMetaObject::invokeMethod(object, "dialogResult", Qt::QueuedConnection, Q_ARG(int, buttonID));
170 }
171
172 static JNINativeMethod methods[] = {
173 {"dialogResult", "(JI)V", (void *)dialogResult}
174 };
175
176
177 #define FIND_AND_CHECK_CLASS(CLASS_NAME) \
178 clazz = env->FindClass(CLASS_NAME); \
179 if (!clazz) { \
180 __android_log_print(ANDROID_LOG_FATAL, QtAndroid::qtTagText(), QtAndroid::classErrorMsgFmt(), CLASS_NAME); \
181 return false; \
182 }
183
registerNatives(JNIEnv * env)184 bool registerNatives(JNIEnv *env)
185 {
186 jclass clazz = QJNIEnvironmentPrivate::findClass(QtMessageHandlerHelperClassName, env);
187 if (!clazz) {
188 __android_log_print(ANDROID_LOG_FATAL, QtAndroid::qtTagText(), QtAndroid::classErrorMsgFmt()
189 , QtMessageHandlerHelperClassName);
190 return false;
191 }
192 g_messageDialogHelperClass = static_cast<jclass>(env->NewGlobalRef(clazz));
193 FIND_AND_CHECK_CLASS("org/qtproject/qt5/android/QtNativeDialogHelper");
194 jclass appClass = static_cast<jclass>(env->NewGlobalRef(clazz));
195
196 if (env->RegisterNatives(appClass, methods, sizeof(methods) / sizeof(methods[0])) < 0) {
197 __android_log_print(ANDROID_LOG_FATAL, "Qt", "RegisterNatives failed");
198 return false;
199 }
200
201 return true;
202 }
203 }
204
205 QT_END_NAMESPACE
206