qrcode: use a modal popup component

Change-Id: I8cd46f2f5bb404394513e1f93fe5bbab44cbddcf

qml.qrc

@@ -139,5 +139,6 @@
         <file>src/commoncomponents/UsernameLineEdit.qml</file>
         <file>src/mainview/components/UserInfoCallPage.qml</file>
         <file>src/commoncomponents/BaseDialog.qml</file>
+        <file>src/commoncomponents/ModalPopup.qml</file>
     </qresource>
 </RCC>

src/commoncomponents/ModalPopup.qml

+/*
+ * Copyright (C) 2020 by Savoir-faire Linux
+ * Author: Andreas Traczyk <andreas.traczyk@savoirfairelinux.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import QtQuick 2.15
+import QtQuick.Controls 2.15
+import QtGraphicalEffects 1.15
+
+Popup {
+    id: root
+
+    property int fadeDuration: 100
+
+    // convient access to closePolicy
+    property bool autoClose: true
+
+    onContentItemChanged: {
+        if(root.contentItem !== null)
+            root.contentItem.parent = container
+    }
+
+    parent: Overlay.overlay
+
+    // center in parent
+    x: Math.round((parent.width - width) / 2)
+    y: Math.round((parent.height - height) / 2)
+
+    modal: true
+
+    // A popup is invisible until opened.
+    visible: false
+    closePolicy:  autoClose ?
+                      (Popup.CloseOnEscape | Popup.CloseOnPressOutside) :
+                      Popup.NoAutoClose
+
+    padding: 0
+
+    background: Rectangle {
+        id: container
+
+        // TODO: this is the MaterialButton radius and should be part of
+        // a theme.
+        radius: 4
+        width: root.width
+        height: root.height
+    }
+
+    DropShadow {
+        z: -1
+        width: root.width
+        height: root.height
+        horizontalOffset: 3.0
+        verticalOffset: 3.0
+        radius: container.radius * 2
+        samples: 16
+        color: "#80000000"
+        source: container
+    }
+
+    enter: Transition {
+        NumberAnimation {
+            properties: "opacity"; from: 0.0; to: 1.0
+            duration: fadeDuration
+        }
+    }
+    exit: Transition {
+        NumberAnimation {
+            properties: "opacity"; from: 1.0; to: 0.0
+            duration: fadeDuration
+        }
+    }
+}

src/mainview/components/WelcomePageQrDialog.qml

@@ -25,56 +25,34 @@ import net.jami.Adapters 1.0
 import "../../constant"
 import "../../commoncomponents"
 
-BaseDialog {
+ModalPopup {
     id: root
 
-    title: JamiStrings.accountQr
+    modal: true
 
-    contentItem: Rectangle {
-        id: content
+    //Content height + margin.
+    property int size: userQrImage.height + 30
+    width: size
+    height: size
 
-        implicitWidth: userQrImage.width + JamiTheme.preferredMarginSize * 2
-        implicitHeight: 352 // Qr + btn + margins
+    Item {
+        anchors.fill: parent
 
-        ColumnLayout {
+        Image {
+            id: userQrImage
 
             anchors.centerIn: parent
-            anchors.fill: parent
 
-            Image {
-                id: userQrImage
+            width: 256
+            height: 256
+            smooth: false
 
-                Layout.alignment: Qt.AlignCenter
-                Layout.preferredWidth: 256
-                Layout.preferredHeight: 256
-
-                smooth: false
-
-                fillMode: Image.PreserveAspectFit
-                source: {
-                    if (AccountAdapter.currentAccountId)
-                        return "image://qrImage/account_" + AccountAdapter.currentAccountId
-                    return ""
-                }
-            }
-
-            MaterialButton {
-                id: btnClose
-
-                Layout.alignment: Qt.AlignHCenter
-                Layout.preferredWidth: JamiTheme.preferredFieldWidth / 2
-                Layout.preferredHeight: JamiTheme.preferredFieldHeight
-                Layout.bottomMargin: JamiTheme.preferredMarginSize
-
-                text: JamiStrings.close
-                color: enabled? JamiTheme.buttonTintedBlack : JamiTheme.buttonTintedGrey
-                hoveredColor: JamiTheme.buttonTintedBlackHovered
-                pressedColor: JamiTheme.buttonTintedBlackPressed
-                outlined: true
-
-                onClicked: {
-                    close()
-                }
+            fillMode: Image.PreserveAspectFit
+            source: {
+                if (AccountAdapter.currentAccountId &&
+                        AccountAdapter.currentAccountType === Profile.Type.RING)
+                    return "image://qrImage/account_" + AccountAdapter.currentAccountId
+                return ""
             }
         }
     }