webview download

tidev · Jan 4, 2025 · 9ae55c2 · 9ae55c2
1 parent 8a6e97b
commit 9ae55c2
Showing 1 changed file with 39 additions and 0 deletions.
diff --git a/android/modules/ui/src/java/ti/modules/titanium/ui/widget/webview/TiUIWebView.java b/android/modules/ui/src/java/ti/modules/titanium/ui/widget/webview/TiUIWebView.java
@@ -6,18 +6,23 @@
  */
 package ti.modules.titanium.ui.widget.webview;
 
+import android.app.DownloadManager;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.FeatureInfo;
 import android.graphics.Color;
 import android.graphics.Rect;
 import android.net.Uri;
+import android.os.Environment;
 import android.view.ActionMode;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewParent;
+import android.webkit.CookieManager;
+import android.webkit.DownloadListener;
+import android.webkit.URLUtil;
 import android.webkit.WebSettings;
 import android.webkit.WebView;
 import androidx.annotation.RequiresApi;
@@ -28,6 +33,7 @@
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.lang.reflect.Method;
+import java.net.URLConnection;
 import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.Map;
@@ -378,6 +384,39 @@ public TiUIWebView(TiViewProxy proxy)
 		params.height = TiCompositeLayout.LayoutParams.MATCH_PARENT;
 		params.width = TiCompositeLayout.LayoutParams.MATCH_PARENT;
 
+		/*
+			enable file download from <a href download> tag
+			it starts download automatically in the background and
+			shows a notification
+		 */
+		webView.setDownloadListener(new DownloadListener() {
+			@Override
+			public void onDownloadStart(String url, String userAgent,
+										String contentDisposition,
+										String mimeType, long contentLength)
+			{
+				String guessedMimeType = URLConnection.guessContentTypeFromName(url);
+				DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
+				request.setMimeType(guessedMimeType);
+				String cookies = CookieManager.getInstance().getCookie(url);
+				request.addRequestHeader("cookie", cookies);
+				request.addRequestHeader("User-Agent", userAgent);
+				request.setDescription("Downloading...");
+				request.setTitle(URLUtil.guessFileName(url, contentDisposition, guessedMimeType));
+				request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
+				request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, URLUtil.guessFileName(url,
+					contentDisposition, guessedMimeType));
+				Context context = TiApplication.getInstance().getApplicationContext();
+				DownloadManager dm = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE);
+				dm.enqueue(request);
+				KrollDict kd = new KrollDict();
+				kd.put("status", "started");
+				kd.put("url", url);
+				kd.put("target", Environment.DIRECTORY_DOWNLOADS);
+				fireEvent("download", kd);
+			}
+		});
+
 		setNativeView(webView);
 	}