Add decryption keys import in account settings

TODO.md

@@ -16,6 +16,9 @@
   - When qml syntax highlighting supports string interpolation, use them
 
 - Fixes
+  - Run import in thread ? Does it blocks the async loop?
+  - Handle import errors
+  - Update the room subtitle when a message is decrypted/edited
   - Don't linkify images for outgoing html
   - state: If last page is a room and the account for it is no longer present,
     load Default.qml instead
@@ -29,6 +32,13 @@
   - [hr not working](https://bugreports.qt.io/browse/QTBUG-74342)
 
 - UI
+  - Popup:
+      - label size
+      - Accept/cancel buttons
+      - Transitions
+
+  - When starting a long task, e.g. importing keys, quitting the page,
+    and coming back, show the buttons as still loading until operation is done
   - Make invite/left banners look better in column mode
   - Messages editing
   - Code highlighting

src/icons/dark-filled/export-keys.svg

@@ -0,0 +1 @@
+<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" fill-rule="evenodd" clip-rule="evenodd"><path d="M9 16h-8v6h22v-6h-8v-1h9v8h-24v-8h9v1zm11 2c.552 0 1 .448 1 1s-.448 1-1 1-1-.448-1-1 .448-1 1-1zm-7.5 0h-1v-14.883l-4.735 5.732-.765-.644 6.021-7.205 5.979 7.195-.764.645-4.736-5.724v14.884z"/></svg>

src/icons/dark-filled/import-keys.svg

@@ -0,0 +1 @@
+<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" fill-rule="evenodd" clip-rule="evenodd"><path d="M6 16h-5v6h22v-6h-5v-1h6v8h-24v-8h6v1zm14 2c.552 0 1 .448 1 1s-.448 1-1 1-1-.448-1-1 .448-1 1-1zm-7.5-17v14.884l4.736-5.724.764.645-5.979 7.195-6.021-7.205.765-.644 4.735 5.732v-14.883h1z"/></svg>

src/icons/light-thin/export-keys.svg

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   id="svg4"
+   version="1.1"
+   clip-rule="evenodd"
+   fill-rule="evenodd"
+   height="24"
+   width="24">
+  <metadata
+     id="metadata10">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs8" />
+  <path
+     style="fill:#c8c8c8;fill-opacity:1"
+     id="path2"
+     d="M9 16h-8v6h22v-6h-8v-1h9v8h-24v-8h9v1zm11 2c.552 0 1 .448 1 1s-.448 1-1 1-1-.448-1-1 .448-1 1-1zm-7.5 0h-1v-14.883l-4.735 5.732-.765-.644 6.021-7.205 5.979 7.195-.764.645-4.736-5.724v14.884z" />
+</svg>

src/icons/light-thin/import-keys.svg

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   id="svg4"
+   version="1.1"
+   clip-rule="evenodd"
+   fill-rule="evenodd"
+   height="24"
+   width="24">
+  <metadata
+     id="metadata10">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs8" />
+  <path
+     style="fill:#c8c8c8;fill-opacity:1"
+     id="path2"
+     d="M6 16h-5v6h22v-6h-5v-1h6v8h-24v-8h6v1zm14 2c.552 0 1 .448 1 1s-.448 1-1 1-1-.448-1-1 .448-1 1-1zm-7.5-17v14.884l4.736-5.724.764.645-5.979 7.195-6.021-7.205.765-.644 4.735 5.732v-14.883h1z" />
+</svg>

src/qml/Base/HFileDialogOpener.qml

@@ -13,7 +13,7 @@ Item {
     property string file: ""
 
     enum FileType { All, Images }
-    property int fileType: FileType.All
+    property int fileType: HFileDialogOpener.FileType.All
 
     TapHandler { onTapped: fileDialog.open() }
 

src/qml/Base/HPasswordPopup.qml

@@ -0,0 +1,55 @@
+// Copyright 2019 miruka
+// This file is part of harmonyqml, licensed under LGPLv3.
+
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+import QtQuick.Layouts 1.12
+import "../SidePane"
+
+Popup {
+    id: popup
+    width: window.width
+    anchors.centerIn: Overlay.overlay
+    modal: true
+
+    onOpened: passwordField.forceActiveFocus()
+
+    property alias label: popupLabel
+    property alias field: passwordField
+    property string password: ""
+
+    background: HRectangle {
+        color: theme.controls.popup.background
+    }
+
+    HColumnLayout {
+        width: parent.width
+        spacing: theme.spacing
+
+        HLabel {
+            id: popupLabel
+            wrapMode: Text.Wrap
+
+            Layout.alignment: Qt.AlignCenter
+            Layout.minimumWidth: theme.minimumSupportedWidth
+            Layout.maximumWidth:
+                Math.min(480, window.width - theme.spacing * 2)
+        }
+
+        HTextField {
+            id: passwordField
+            echoMode: TextInput.Password
+            focus: true
+            onAccepted: {
+                popup.password = text
+                popup.close()
+            }
+
+            Layout.alignment: Qt.AlignCenter
+            Layout.fillWidth: true
+
+            Layout.preferredWidth: popupLabel.width
+            Layout.maximumWidth: popupLabel.width
+        }
+    }
+}

src/qml/Pages/EditAccount/ClientSettings.qml

@@ -1,12 +0,0 @@
-// Copyright 2019 miruka
-// This file is part of harmonyqml, licensed under LGPLv3.
-
-import QtQuick 2.12
-import QtQuick.Controls 2.12
-import QtQuick.Layouts 1.12
-import "../../Base"
-import "../../utils.js" as Utils
-
-HLabel {
-    text: "Client - TODO"
-}

src/qml/Pages/EditAccount/Devices.qml

@@ -1,12 +0,0 @@
-// Copyright 2019 miruka
-// This file is part of harmonyqml, licensed under LGPLv3.
-
-import QtQuick 2.12
-import QtQuick.Controls 2.12
-import QtQuick.Layouts 1.12
-import "../../Base"
-import "../../utils.js" as Utils
-
-HLabel {
-    text: "Devices - TODO"
-}

src/qml/Pages/EditAccount/EditAccount.qml

@@ -24,6 +24,11 @@ HPage {
         Utils.coloredNameHtml(headerName, userId)
     )
 
+    HSpacer {}
+
+    Repeater {
+        model: ["Profile.qml", "Encryption.qml"]
+
         HRectangle {
             color: ready ? theme.controls.box.background : "transparent"
             Behavior on color { HColorAnimation {} }
@@ -38,7 +43,13 @@ HPage {
 
             Loader {
                 width: parent.width
-            source: ready ? "Profile.qml" : "../../Base/HBusyIndicator.qml"
+                source: ready ?
+                        modelData :
+                        (modelData == "Profile.qml" ?
+                         "../../Base/HBusyIndicator.qml" : "")
             }
         }
     }
+
+    HSpacer {}
+}

src/qml/Pages/EditAccount/Encryption.qml

@@ -0,0 +1,79 @@
+// Copyright 2019 miruka
+// This file is part of harmonyqml, licensed under LGPLv3.
+
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+import QtQuick.Layouts 1.12
+import "../../Base"
+import "../../utils.js" as Utils
+
+HColumnLayout {
+    function importKeys(file, passphrase) {
+        importButton.loading = true
+
+        let path = Qt.resolvedUrl(file).replace(/^file:\/\//, "")
+
+        py.callClientCoro(
+            editAccount.userId, "import_keys", [path, passphrase], () => {
+                importButton.loading = false
+            }
+        )
+    }
+
+    HLabel {
+        wrapMode: Text.Wrap
+        text: qsTr(
+            "The decryption keys for the messages you received in " +
+            "encrypted rooms can be exported to a file.%1" +
+            "You will then be able to import this file in another " +
+            "Matrix client."
+        ).arg(pageStack.isWide ? "\n" :"\n\n")
+
+        Layout.fillWidth: true
+        Layout.margins: currentSpacing
+    }
+
+    HRowLayout {
+        HUIButton {
+            id: exportButton
+            iconName: "export-keys"
+            text: qsTr("Export")
+            enabled: false
+
+            Layout.fillWidth: true
+            Layout.alignment: Qt.AlignBottom
+        }
+
+        HUIButton {
+            id: importButton
+            iconName: "import-keys"
+            text: qsTr("Import")
+
+            Layout.fillWidth: true
+            Layout.alignment: Qt.AlignBottom
+
+            HFileDialogOpener {
+                id: fileDialog
+                dialog.title: qsTr("Select a decryption key file to import")
+                onFileChanged: {
+                    importPasswordPopup.file = file
+                    importPasswordPopup.open()
+                }
+            }
+        }
+    }
+
+    HPasswordPopup {
+        property url file: ""
+
+        id: importPasswordPopup
+        label.text: qsTr(
+            "Please enter the passphrase that was used to protect this " +
+            "file.\n\n" +
+            "The import can take a few minutes. " +
+            "You can leave the account settings page while it is running. " +
+            "Messages may not be sent or received until the operation is done."
+        )
+        onPasswordChanged: importKeys(file, password)
+    }
+}

src/themes/Default.qpl

@@ -72,6 +72,9 @@ controls:
         color background: colors.strongBackground
         int radius:       theme.radius
 
+    popup:
+        color background: colors.strongBackground
+
     header:
         color background: colors.strongBackground