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
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+import QtQuick 2.0
+import Sailfish.Silica 1.0
+
+Page {
+    id: page
+
+    property string feedUrl
+    property string pageTitle
+    property string nextUrl: ""
+    property bool loading: false
+    property bool loadingMore: false
+    property string errorMessage: ""
+
+    SilicaListView {
+        id: listView
+        anchors.fill: parent
+        header: PageHeader { title: page.pageTitle }
+        model: feedModel
+        clip: true
+
+        delegate: ListItem {
+            id: item
+            contentHeight: Theme.itemSizeMedium
+
+            Image {
+                id: coverThumb
+                anchors.left: parent.left
+                anchors.leftMargin: Theme.horizontalPageMargin
+                anchors.verticalCenter: parent.verticalCenter
+                width: Theme.itemSizeMedium * 0.68
+                height: Theme.itemSizeMedium * 0.92
+                fillMode: Image.PreserveAspectFit
+                visible: source.length > 0 && !model.isNav
+                source: model.coverSource
+            }
+
+            Column {
+                anchors.left: model.isNav ? parent.left : coverThumb.right
+                anchors.leftMargin: Theme.horizontalPageMargin
+                anchors.right: parent.right
+                anchors.rightMargin: Theme.horizontalPageMargin
+                anchors.verticalCenter: parent.verticalCenter
+
+                Label {
+                    width: parent.width
+                    text: model.entryTitle
+                    color: item.highlighted ? Theme.highlightColor : Theme.primaryColor
+                    truncationMode: TruncationMode.Elide
+                }
+                Label {
+                    width: parent.width
+                    text: model.entryAuthors
+                    color: Theme.secondaryColor
+                    font.pixelSize: Theme.fontSizeSmall
+                    truncationMode: TruncationMode.Elide
+                    visible: text.length > 0 && !model.isNav
+                }
+            }
+
+            Icon {
+                anchors.right: parent.right
+                anchors.rightMargin: Theme.horizontalPageMargin
+                anchors.verticalCenter: parent.verticalCenter
+                source: "image://theme/icon-m-right"
+                visible: model.isNav
+            }
+
+            onClicked: {
+                if (model.isNav) {
+                    pageStack.push(Qt.resolvedUrl("FeedPage.qml"),
+                                   { feedUrl: model.entryLink, pageTitle: model.entryTitle })
+                } else {
+                    pageStack.push(Qt.resolvedUrl("BookDetailPage.qml"),
+                                   { bookData: model.entryData })
+                }
+            }
+        }
+
+        footer: Item {
+            width: parent.width
+            height: page.nextUrl.length > 0 ? Theme.itemSizeSmall : 0
+            BusyIndicator {
+                anchors.centerIn: parent
+                running: page.loadingMore
+                size: BusyIndicatorSize.Small
+            }
+        }
+
+        PullDownMenu {
+            MenuItem {
+                text: "Aggiorna"
+                onClicked: reload()
+            }
+            MenuItem {
+                text: "Impostazioni"
+                onClicked: pageStack.push(Qt.resolvedUrl("SettingsPage.qml"))
+            }
+        }
+
+        ViewPlaceholder {
+            enabled: feedModel.count === 0 && !page.loading
+            text: page.errorMessage.length > 0 ? page.errorMessage : "Nessun risultato"
+        }
+
+        BusyIndicator {
+            anchors.centerIn: parent
+            running: page.loading
+            size: BusyIndicatorSize.Large
+        }
+
+        onContentYChanged: tryLoadMore()
+        onCountChanged: tryLoadMore()
+    }
+
+    ListModel {
+        id: feedModel
+    }
+
+    function reload() {
+        feedModel.clear()
+        page.nextUrl = ""
+        loadFeed(page.feedUrl)
+    }
+
+    function loadFeed(url) {
+        page.loading = true
+        page.errorMessage = ""
+        apiClient.getFeed(url)
+    }
+
+    function loadMore() {
+        page.loadingMore = true
+        apiClient.getFeed(page.nextUrl)
+    }
+
+    function tryLoadMore() {
+        if (page.nextUrl.length === 0 || page.loadingMore || page.loading)
+            return
+        if (listView.contentY + listView.height >= listView.contentHeight - Theme.itemSizeMedium * 2)
+            loadMore()
+    }
+
+    onNextUrlChanged: tryLoadMore()
+
+    Component.onCompleted: loadFeed(feedUrl)
+
+    Connections {
+        target: apiClient
+        onFeedReady: {
+            if (pageStack.currentPage !== page)
+                return
+            page.loading = false
+            page.loadingMore = false
+            for (var i = 0; i < entries.length; i++) {
+                var e = entries[i]
+                var isNav = e.isNavigation
+                feedModel.append({
+                    entryTitle: e.title,
+                    entryAuthors: e.authors,
+                    entryLink: e.linkUrl,
+                    isNav: isNav,
+                    entryData: e,
+                    coverSource: "",
+                    coverId: e.id
+                })
+                if (!isNav && e.coverUrl.length > 0)
+                    apiClient.fetchImage(e.coverUrl, e.id)
+            }
+            page.nextUrl = nextUrl
+            if (feedModel.count === 0 && page.errorMessage.length === 0)
+                page.errorMessage = "Nessun risultato"
+        }
+        onFeedError: {
+            page.loading = false
+            page.loadingMore = false
+            page.errorMessage = message
+        }
+        onImageReady: {
+            for (var i = 0; i < feedModel.count; i++) {
+                if (feedModel.get(i).coverId === id) {
+                    feedModel.setProperty(i, "coverSource", localPath)
+                    break
+                }
+            }
+        }
+    }
+}