Client OPDS per Calibre Web (Sailfish OS): core C++ testato, UI Silica, packaging RPM

2026-08-12 01:45:31 +02:00
commit 85b4f8e9b9
25 changed files with 1518 additions and 0 deletions
@@ -0,0 +1,176 @@
+import QtQuick 2.0
+import Sailfish.Silica 1.0
+
+Page {
+    id: page
+
+    property var bookData: ({})
+    property string coverSource: ""
+    property bool downloading: false
+    property string downloadError: ""
+
+    SilicaFlickable {
+        anchors.fill: parent
+        contentHeight: column.height + Theme.paddingLarge
+
+        Column {
+            id: column
+            width: parent.width
+
+            PageHeader { title: bookData.title }
+
+            Image {
+                id: cover
+                anchors.horizontalCenter: parent.horizontalCenter
+                width: Math.min(parent.width * 0.45, 260)
+                height: width * 1.5
+                fillMode: Image.PreserveAspectFit
+                source: page.coverSource
+                visible: source.length > 0
+            }
+
+            Label {
+                x: Theme.horizontalPageMargin
+                width: parent.width - 2 * Theme.horizontalPageMargin
+                text: bookData.authors
+                color: Theme.secondaryColor
+                wrapMode: Text.Wrap
+                visible: text.length > 0
+            }
+
+            Label {
+                x: Theme.horizontalPageMargin
+                width: parent.width - 2 * Theme.horizontalPageMargin
+                text: bookData.summary
+                wrapMode: Text.Wrap
+                font.pixelSize: Theme.fontSizeSmall
+                visible: text.length > 0
+            }
+
+            SectionHeader { text: "Formati" }
+
+            Repeater {
+                model: bookData.formats
+                delegate: ListItem {
+                    id: formatItem
+                    contentHeight: Theme.itemSizeMedium
+                    enabled: !page.downloading
+
+                    Label {
+                        anchors.left: parent.left
+                        anchors.leftMargin: Theme.horizontalPageMargin
+                        anchors.verticalCenter: parent.verticalCenter
+                        text: modelData.format
+                              + (modelData.size > 0 ? " (" + formatSize(modelData.size) + ")" : "")
+                        color: formatItem.highlighted ? Theme.highlightColor : Theme.primaryColor
+                    }
+
+                    onClicked: startDownload(modelData)
+                }
+            }
+
+            Label {
+                x: Theme.horizontalPageMargin
+                width: parent.width - 2 * Theme.horizontalPageMargin
+                text: page.downloadError
+                color: Theme.errorColor
+                wrapMode: Text.Wrap
+                visible: text.length > 0
+            }
+
+            Item { width: 1; height: Theme.paddingLarge }
+        }
+    }
+
+    Column {
+        anchors.left: parent.left
+        anchors.right: parent.right
+        anchors.bottom: parent.bottom
+        visible: page.downloading
+        height: Theme.itemSizeMedium
+
+        ProgressBar {
+            id: progressBar
+            anchors.left: parent.left
+            anchors.right: parent.right
+            value: 0
+            minimumValue: 0
+            maximumValue: 1
+        }
+        Label {
+            anchors.horizontalCenter: parent.horizontalCenter
+            text: "Download in corso…"
+            color: Theme.secondaryColor
+            font.pixelSize: Theme.fontSizeSmall
+        }
+    }
+
+    Toast {
+        id: toast
+    }
+
+    function formatSize(bytes) {
+        if (bytes <= 0)
+            return ""
+        if (bytes < 1048576)
+            return Math.round(bytes / 1024) + " KB"
+        return (bytes / 1048576).toFixed(1) + " MB"
+    }
+
+    function resolveUrl(u) {
+        if (u.indexOf("http://") === 0 || u.indexOf("https://") === 0)
+            return u
+        var base = appSettings.baseUrl
+        return base + (u.charAt(0) === "/" ? u : "/" + u)
+    }
+
+    function sanitizeFileName(s) {
+        return s.replace(/[\\/:*?"<>|]/g, "_").replace(/\s+/g, " ").trim()
+    }
+
+    function startDownload(format) {
+        if (page.downloading)
+            return
+        var ext = format.format.toLowerCase()
+        var dest = appSettings.downloadDir + "/"
+                + sanitizeFileName(bookData.title) + "." + ext
+        page.downloading = true
+        page.downloadError = ""
+        progressBar.value = 0
+        progressBar.maximumValue = format.size > 0 ? format.size : 1
+        downloader.download(resolveUrl(format.url), dest)
+    }
+
+    Component.onCompleted: {
+        if (bookData.coverUrl && bookData.coverUrl.length > 0)
+            apiClient.fetchImage(bookData.coverUrl, "detail:" + bookData.id)
+    }
+
+    Connections {
+        target: apiClient
+        onImageReady: {
+            if (id === "detail:" + bookData.id)
+                page.coverSource = localPath
+        }
+    }
+
+    Connections {
+        target: downloader
+        onProgress: {
+            if (!page.downloading)
+                return
+            progressBar.value = received
+            if (total > 0)
+                progressBar.maximumValue = total
+        }
+        onFinished: {
+            page.downloading = false
+            if (ok) {
+                page.downloadError = ""
+                toast.show("Salvato in " + path)
+            } else {
+                page.downloadError = "Errore: " + error
+            }
+        }
+    }
+}