WebView download API

gistfile1.js

/// Current API

WebView {
    experimental.onDownloadRequested: {
        downloadConnection.target = downloadItem
        // expectedLength = downloadItem.expectedContentLength
        downloadItem.destinationPath = downloadItem.suggestedFilename
        downloadItem.start()
    }
}

Item {
    id: downloadManager

    Connections {
        id: downloadConnection
        onTotalBytesReceivedChanged: {
            print("Downloaded " + target.totalBytesReceived + " bytes of " + target.expectedContentLength)
        }
        onSucceeded: {
            print("Done " + target.totalBytesReceived + " bytes")
        }
    }

    onSomeUserAction: downloadConnection.target.cancel()
}



/// Proposed API

WebView {
    // Triggers auto-start of all unsupported mime-types globally instead of allowing to decide this per download
    // by requiring an explicit call to start().

    // Explicit download policies set for navigations through
    // QQuickWebView::navigationRequested will trigger a new
    // auto-started download regardless of this property.
    downloadUnsupportedContent: true
}

Item {
    id: downloadManager

    Connections {
        // Downloads currently on their way are separated from individual WebViews.
        target: QtWebKit
        onDownloadStarted: {
            currentDownload.targetHandle = downloadHandle
        }
    }

    DownloadTracker {
        id: currentDownload
        onTotalBytesReceivedChanged: {
            print("Downloaded " + currentDownload.totalBytesReceived + " bytes of " + currentDownload.expectedContentLength)
        }
        onSucceeded: {
            print("Done " + currentDownload.totalBytesReceived + " bytes")
        }
    }

    onSomeUserAction: currentDownload.cancel()
}