Add dialog requests to qml api

Introduce qml APIs to support custom dialogs:
 * http and proxy authentication
 * javascript dialogs
 * file pickers
 * color pickers
 * form validation messages

[ChangeLog][QtWebEngine][QML] Added ability to provide custom dialogs
for HTTP and proxy authentication, JavaScript alerts, file and color
picking, and form validation messages.

Task-number: QTBUG-51190
Change-Id: I559ca59264750feb36ba7d3dba0bf0647509306d
Reviewed-by: Kai Koehne <kai.koehne@qt.io>

1 files changed, 265 insertions, 0 deletions

diff --git a/src/webengine/api/qquickwebenginedialogrequests_p.h b/src/webengine/api/qquickwebenginedialogrequests_p.h
new file mode 100644
index 000000000..d1ddc6607
--- /dev/null
+++ b/src/webengine/api/qquickwebenginedialogrequests_p.h
@@ -0,0 +1,265 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQUICKWEBENGINDIALOGREQUESTS_H
+#define QQUICKWEBENGINDIALOGREQUESTS_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <private/qtwebengineglobal_p.h>
+#include <QtCore/QUrl>
+#include <QtCore/QWeakPointer>
+#include <QtCore/QRect>
+#include <QtGui/QColor>
+
+namespace QtWebEngineCore {
+    class AuthenticationDialogController;
+    class ColorChooserController;
+    class FilePickerController;
+    class JavaScriptDialogController;
+}
+
+QT_BEGIN_NAMESPACE
+
+class Q_WEBENGINE_PRIVATE_EXPORT QQuickWebEngineAuthenticationDialogRequest : public QObject {
+    Q_OBJECT
+public:
+
+    enum AuthenticationType {
+        AuthenticationTypeHTTP,
+        AuthenticationTypeProxy
+    };
+
+    Q_ENUM(AuthenticationType)
+
+    Q_PROPERTY(QUrl url READ url CONSTANT FINAL)
+    Q_PROPERTY(QString realm READ realm CONSTANT FINAL)
+    Q_PROPERTY(QString proxyHost READ proxyHost CONSTANT FINAL)
+    Q_PROPERTY(AuthenticationType type READ type CONSTANT FINAL)
+    Q_PROPERTY(bool accepted READ isAccepted WRITE setAccepted FINAL)
+
+    ~QQuickWebEngineAuthenticationDialogRequest();
+
+    QUrl url() const;
+    QString realm() const;
+    QString proxyHost() const;
+    AuthenticationType type() const;
+    bool isAccepted() const;
+    void setAccepted(bool accepted);
+
+public slots:
+    void dialogAccept(const QString &user, const QString &password);
+    void dialogReject();
+
+private:
+    QQuickWebEngineAuthenticationDialogRequest(QSharedPointer<QtWebEngineCore::AuthenticationDialogController> controller,
+                                    QObject *parent = nullptr);
+    QWeakPointer<QtWebEngineCore::AuthenticationDialogController> m_controller;
+    QUrl m_url;
+    QString m_realm;
+    AuthenticationType m_type;
+    QString m_host;
+    bool m_accepted;
+    friend class QQuickWebEngineViewPrivate;
+    Q_DISABLE_COPY(QQuickWebEngineAuthenticationDialogRequest)
+};
+
+class Q_WEBENGINE_PRIVATE_EXPORT QQuickWebEngineJavaScriptDialogRequest : public QObject {
+    Q_OBJECT
+public:
+
+    enum DialogType {
+        DialogTypeAlert,
+        DialogTypeConfirm,
+        DialogTypePrompt,
+        DialogTypeBeforeUnload,
+    };
+    Q_ENUM(DialogType)
+
+    Q_PROPERTY(QString message READ message CONSTANT FINAL)
+    Q_PROPERTY(QString defaultText READ defaultText CONSTANT FINAL)
+    Q_PROPERTY(QString title READ title CONSTANT FINAL)
+    Q_PROPERTY(DialogType type READ type CONSTANT FINAL)
+    Q_PROPERTY(QUrl securityOrigin READ securityOrigin CONSTANT FINAL)
+    Q_PROPERTY(bool accepted READ isAccepted WRITE setAccepted FINAL)
+
+    ~QQuickWebEngineJavaScriptDialogRequest();
+
+    QString message() const;
+    QString defaultText() const;
+    QString title() const;
+    DialogType type() const;
+    QUrl securityOrigin() const;
+    bool isAccepted() const;
+    void setAccepted(bool accepted);
+
+public slots:
+    void dialogAccept(const QString& text = QString());
+    void dialogReject();
+
+private:
+    QQuickWebEngineJavaScriptDialogRequest(QSharedPointer<QtWebEngineCore::JavaScriptDialogController> controller,
+                                    QObject *parent = nullptr);
+    QWeakPointer<QtWebEngineCore::JavaScriptDialogController> m_controller;
+    QString m_message;
+    QString m_defaultPrompt;
+    QString m_title;
+    DialogType m_type;
+    QUrl m_securityOrigin;
+    bool m_accepted;
+    friend class QQuickWebEngineViewPrivate;
+    Q_DISABLE_COPY(QQuickWebEngineJavaScriptDialogRequest)
+};
+
+class Q_WEBENGINE_PRIVATE_EXPORT QQuickWebEngineColorDialogRequest : public QObject {
+    Q_OBJECT
+public:
+
+    Q_PROPERTY(QColor color READ color CONSTANT FINAL)
+    Q_PROPERTY(bool accepted READ isAccepted WRITE setAccepted FINAL)
+
+    ~QQuickWebEngineColorDialogRequest();
+
+    QColor color() const;
+    bool isAccepted() const;
+    void setAccepted(bool accepted);
+
+public slots:
+    void dialogAccept(const QColor &color);
+    void dialogReject();
+
+private:
+    QQuickWebEngineColorDialogRequest(QSharedPointer<QtWebEngineCore::ColorChooserController> controller,
+                                    QObject *parent = nullptr);
+    QWeakPointer<QtWebEngineCore::ColorChooserController> m_controller;
+    QColor m_color;
+    bool m_accepted;
+    friend class QQuickWebEngineViewPrivate;
+    Q_DISABLE_COPY(QQuickWebEngineColorDialogRequest)
+};
+
+class Q_WEBENGINE_PRIVATE_EXPORT QQuickWebEngineFileDialogRequest : public QObject {
+    Q_OBJECT
+public:
+
+    enum FileMode {
+        FileModeOpen,
+        FileModeOpenMultiple,
+        FileModeUploadFolder,
+        FileModeSave
+    };
+    Q_ENUM(FileMode)
+
+    Q_PROPERTY(QString defaultFileName READ defaultFileName CONSTANT FINAL)
+    Q_PROPERTY(QStringList acceptedMimeTypes READ acceptedMimeTypes CONSTANT FINAL)
+    Q_PROPERTY(FileMode mode READ mode CONSTANT FINAL)
+    Q_PROPERTY(bool accepted READ isAccepted WRITE setAccepted FINAL)
+
+    ~QQuickWebEngineFileDialogRequest();
+
+    QStringList acceptedMimeTypes() const;
+    QString defaultFileName() const;
+    FileMode mode() const;
+    bool isAccepted() const;
+    void setAccepted(bool accepted);
+
+public slots:
+    void dialogAccept(const QStringList &files);
+    void dialogReject();
+
+private:
+    QQuickWebEngineFileDialogRequest(QSharedPointer<QtWebEngineCore::FilePickerController> controller,
+                                    QObject *parent = nullptr);
+    QWeakPointer<QtWebEngineCore::FilePickerController> m_controller;
+    QString m_filename;
+    QStringList m_acceptedMimeTypes;
+    FileMode m_mode;
+    bool m_accepted;
+    friend class QQuickWebEngineViewPrivate;
+    Q_DISABLE_COPY(QQuickWebEngineFileDialogRequest)
+};
+
+class Q_WEBENGINE_PRIVATE_EXPORT QQuickWebEngineFormValidationMessageRequest : public QObject {
+    Q_OBJECT
+public:
+    enum RequestType {
+        RequestTypeShow,
+        RequestTypeHide,
+        RequestTypeMove,
+    };
+    Q_ENUM(RequestType)
+    Q_PROPERTY(QRect anchor READ anchor CONSTANT FINAL)
+    Q_PROPERTY(QString text READ text CONSTANT FINAL)
+    Q_PROPERTY(QString subText READ subText CONSTANT FINAL)
+    Q_PROPERTY(RequestType type READ type CONSTANT FINAL)
+    Q_PROPERTY(bool accepted READ isAccepted WRITE setAccepted FINAL)
+
+    ~QQuickWebEngineFormValidationMessageRequest();
+    QRect anchor() const;
+    QString text() const;
+    QString subText() const;
+    RequestType type() const;
+    bool isAccepted() const;
+    void setAccepted(bool accepted);
+
+private:
+    QQuickWebEngineFormValidationMessageRequest(RequestType type, const QRect &anchor = QRect(),
+                                      const QString &mainText = QString(),
+                                      const QString &subText = QString(),
+                                      QObject *parent = nullptr);
+    QRect m_anchor;
+    QString m_mainText;
+    QString m_subText;
+    RequestType m_type;
+    bool m_accepted;
+    friend class QQuickWebEngineViewPrivate;
+};
+
+QT_END_NAMESPACE
+
+#endif // QQUICKWEBENGINDIALOGREQUESTS_H