ImportKeys/ExportKeys separate dialog componants

TODO.md

@@ -33,6 +33,7 @@
   - Show error if uploading avatar fails or file is corrupted
   - Way to open context menus without a right mouse button
   - Room header descriptions: styled text
+  - Indeterminate progress bar
 
   - Message selection
     - Copy to X11 selection

src/python/matrix_client.py

@@ -324,13 +324,15 @@ class MatrixClient(nio.AsyncClient):
         account     = self.models[Account][self.user_id]
         import_keys = partial(self.olm.import_keys_static, infile, passphrase)
 
+        account.importing_key        = 0
+        account.total_keys_to_import = -1  # preparing
+
         try:
             sessions = await loop.run_in_executor(None, import_keys)
         except nio.EncryptionError as err:
             account.import_error = (infile, passphrase, str(err))
             return
 
-        account.importing_key        = 0
         account.total_keys_to_import = len(sessions)
 
         for session in sessions:

src/qml/Dialogs/ExportKeys.qml

@@ -0,0 +1,39 @@
+import QtQuick 2.12
+import Qt.labs.platform 1.1
+import "../Popups"
+
+HFileDialogOpener {
+    fill: false
+    dialog.title: qsTr("Save decryption keys file as...")
+    dialog.fileMode: FileDialog.SaveFile
+    onFileChanged: {
+        exportPasswordPopup.file = file
+        exportPasswordPopup.open()
+    }
+
+
+    property string userId: ""
+    property bool exporting: false
+
+
+    function exportKeys(file, passphrase) {
+        exporting = true
+
+        let path = file.toString().replace(/^file:\/\//, "")
+
+        py.callClientCoro(userId, "export_keys", [path, passphrase], () => {
+            exporting = false
+        })
+    }
+
+
+    PasswordPopup {
+        id: exportPasswordPopup
+        details.text: qsTr("Please enter a passphrase to protect this file:")
+        okText: qsTr("Export")
+
+        onAcceptedPasswordChanged: exportKeys(file, acceptedPassword)
+
+        property url file: ""
+    }
+}

src/qml/Dialogs/ImportKeys.qml

@@ -0,0 +1,42 @@
+import QtQuick 2.12
+import Qt.labs.platform 1.1
+import "../Popups"
+
+HFileDialogOpener {
+    fill: false
+    dialog.title: qsTr("Select a decryption keys file to import")
+    onFileChanged: {
+        importPasswordPopup.file = file
+        importPasswordPopup.open()
+    }
+
+
+    property string userId: ""
+
+
+    function importKeys(file, passphrase) {
+        let path = file.toString().replace(/^file:\/\//, "")
+        py.callClientCoro(userId, "import_keys", [path, passphrase])
+    }
+
+
+    PasswordPopup {
+        id: importPasswordPopup
+        details.text: qsTr(
+            "Please enter the passphrase that was used to protect this file:"
+        )
+        okText: qsTr("Import")
+
+        onAcceptedPasswordChanged: importKeys(file, acceptedPassword)
+
+        property url file: ""
+
+        function verifyPassword(pass, callback) {
+            py.callCoro(
+                "check_exported_keys_passphrase",
+                [file.toString().replace(/^file:\/\//, ""), pass],
+                callback
+            )
+        }
+    }
+}

src/qml/Pages/EditAccount/Encryption.qml

@@ -4,46 +4,13 @@ import "../../Base"
 HLoader {
     id: encryptionUI
     source:
-        accountInfo.import_error[0] ? "ImportError.qml" :
-        importing || accountInfo.total_keys_to_import ? "ImportingKeys.qml" :
+        accountInfo.import_error[0]      ? "ImportError.qml" :
+        accountInfo.total_keys_to_import ? "ImportingKeys.qml" :
         "ImportExportKeys.qml"
 
     onSourceChanged: animation.running = true
 
 
-    property bool importing: false
-
-
-    function exportKeys(file, passphrase, button=null) {
-        if (button) button.loading = true
-
-        let path = file.toString().replace(/^file:\/\//, "")
-
-        py.callClientCoro(
-            editAccount.userId, "export_keys", [path, passphrase], () => {
-                // null: user is on another page
-                if (encryptionUI !== null && button) button.loading = false
-            }
-        )
-    }
-
-    function importKeys(file, passphrase, button=null) {
-        if (button) button.loading = true
-        encryptionUI.importing = true
-
-        let path = file.toString().replace(/^file:\/\//, "")
-
-        py.callClientCoro(
-            editAccount.userId, "import_keys", [path, passphrase], () => {
-                if (encryptionUI !== null) {
-                    encryptionUI.importing = false
-                    if (button) button.loading = false
-                }
-            }
-        )
-    }
-
-
     SequentialAnimation {
         id: animation
         HNumberAnimation {

src/qml/Pages/EditAccount/ImportExportKeys.qml

@@ -1,14 +1,9 @@
 import QtQuick 2.12
-import QtQuick.Controls 2.12
 import QtQuick.Layouts 1.12
-import Qt.labs.platform 1.1
 import "../../Base"
-import "../../Popups"
 import "../../utils.js" as Utils
 
 HBox {
-    property var exportButton: null
-
     horizontalSpacing: currentSpacing
     verticalSpacing: currentSpacing
 
@@ -19,10 +14,24 @@ HBox {
 
     buttonCallbacks: ({
         export: button => {
-            exportButton = button
-            exportFileDialog.dialog.open()
+            Utils.makeObject(
+                "Dialogs/ExportKeys.qml",
+                editAccount,
+                { userId: editAccount.userId },
+                obj => {
+                    button.loading = Qt.binding(() => obj.exporting)
+                    obj.dialog.open()
+                }
+            )
+        },
+        import: button => {
+            Utils.makeObject(
+                "Dialogs/ImportKeys.qml",
+                editAccount,
+                { userId: editAccount.userId },
+                obj => { obj.dialog.open() }
+            )
         },
-        import: button => { importFileDialog.dialog.open() },
     })
 
 
@@ -38,57 +47,4 @@ HBox {
 
         Layout.fillWidth: true
     }
-
-    HFileDialogOpener {
-        id: exportFileDialog
-        fill: false
-        dialog.title: qsTr("Save decryption keys file as...")
-        dialog.fileMode: FileDialog.SaveFile
-        onFileChanged: {
-            exportPasswordPopup.file = file
-            exportPasswordPopup.open()
-        }
-    }
-
-    HFileDialogOpener {
-        id: importFileDialog
-        fill: false
-        dialog.title: qsTr("Select a decryption keys file to import")
-        onFileChanged: {
-            importPasswordPopup.file = file
-            importPasswordPopup.open()
-        }
-    }
-
-    PasswordPopup {
-        property url file: ""
-
-        id: exportPasswordPopup
-        details.text: qsTr("Please enter a passphrase to protect this file:")
-        okText: qsTr("Export")
-
-        onAcceptedPasswordChanged:
-            encryptionUI.exportKeys(file, acceptedPassword, exportButton)
-    }
-
-    PasswordPopup {
-        property url file: ""
-
-        function verifyPassword(pass, callback) {
-            py.callCoro(
-                "check_exported_keys_passphrase",
-                [file.toString().replace(/^file:\/\//, ""), pass],
-                callback
-            )
-        }
-
-        id: importPasswordPopup
-        details.text: qsTr(
-            "Please enter the passphrase that was used to protect this file:"
-        )
-        okText: qsTr("Import")
-
-        onAcceptedPasswordChanged:
-            encryptionUI.importKeys(file, acceptedPassword)
-    }
 }

src/qml/Pages/EditAccount/ImportingKeys.qml

@@ -34,7 +34,9 @@ HColumnLayout {
         }
 
         HLabel {
-            text: qsTr("%1/%2")
+            text: progressBar.indeterminate ?
+                  qsTr("Preparing...") :
+                  qsTr("%1/%2")
                   .arg(Math.ceil(progressBar.value)).arg(progressBar.to)
 
             Layout.margins: currentSpacing
@@ -46,6 +48,7 @@ HColumnLayout {
         from: 0
         value: progress
         to: accountInfo.total_keys_to_import
+        indeterminate: accountInfo.total_keys_to_import < 0
 
         Behavior on value { HNumberAnimation { factor: 5 } }
 

src/qml/Pages/EditAccount/Profile.qml

@@ -2,6 +2,7 @@ import QtQuick 2.12
 import QtQuick.Controls 2.12
 import QtQuick.Layouts 1.12
 import "../../Base"
+import "../../Dialogs"
 import "../../utils.js" as Utils
 
 HGridLayout {