Add support for input[type=file] for Android.

Patch in changes from apache#205
dpa99c · Mar 22, 2017 · 5040cf1 · 5040cf1
1 parent 885881e
commit 5040cf1
Showing 1 changed file with 90 additions and 1 deletion.
diff --git a/src/android/ThemeableBrowser.java b/src/android/ThemeableBrowser.java
@@ -49,6 +49,8 @@ Licensed to the Apache Software Foundation (ASF) under one
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputMethodManager;
 import android.webkit.CookieManager;
+import android.webkit.ValueCallback;
+import android.webkit.WebChromeClient;
 import android.webkit.WebSettings;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
@@ -66,9 +68,11 @@ Licensed to the Apache Software Foundation (ASF) under one
 import org.apache.cordova.CordovaArgs;
 import org.apache.cordova.CordovaPlugin;
 import org.apache.cordova.CordovaWebView;
+import org.apache.cordova.LOG;
 import org.apache.cordova.PluginManager;
 import org.apache.cordova.PluginResult;
 import org.apache.cordova.Whitelist;
+import org.apache.cordova.inappbrowser.InAppBrowser;
 import org.json.JSONException;
 import org.json.JSONObject;
 
@@ -109,6 +113,11 @@ public class ThemeableBrowser extends CordovaPlugin {
     private EditText edittext;
     private CallbackContext callbackContext;
 
+    private ValueCallback<Uri> mUploadCallback;
+    private ValueCallback<Uri[]> mUploadCallbackLollipop;
+    private final static int FILECHOOSER_REQUESTCODE = 1;
+    private final static int FILECHOOSER_REQUESTCODE_LOLLIPOP = 2;
+
     /**
      * Executes the request and returns PluginResult.
      *
@@ -757,7 +766,51 @@ public void onNothingSelected(
                     ((LinearLayout.LayoutParams) inAppWebViewParams).weight = 1;
                 }
                 inAppWebView.setLayoutParams(inAppWebViewParams);
-                inAppWebView.setWebChromeClient(new InAppChromeClient(thatWebView));
+                // File Chooser Implemented ChromeClient
+                inAppWebView.setWebChromeClient(new InAppChromeClient(thatWebView) {
+                    // For Android 5.0
+                    public boolean onShowFileChooser (WebView webView, ValueCallback<Uri[]> filePathCallback, WebChromeClient.FileChooserParams fileChooserParams)
+                    {
+                        LOG.d(LOG_TAG, "File Chooser 5.0 ");
+                        // If callback exists, finish it.
+                        if(mUploadCallbackLollipop != null) {
+                            mUploadCallbackLollipop.onReceiveValue(null);
+                        }
+                        mUploadCallbackLollipop = filePathCallback;
+
+                        // Create File Chooser Intent
+                        Intent content = new Intent(Intent.ACTION_GET_CONTENT);
+                        content.addCategory(Intent.CATEGORY_OPENABLE);
+                        content.setType("*/*");
+
+                        // Run cordova startActivityForResult
+                        cordova.startActivityForResult(ThemeableBrowser.this, Intent.createChooser(content, "Select File"), FILECHOOSER_REQUESTCODE_LOLLIPOP);
+                        return true;
+                    }
+
+                    // For Android 4.1
+                    public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String capture)
+                    {
+                        LOG.d(LOG_TAG, "File Chooser 4.1 ");
+                        // Call file chooser for Android 3.0
+                        openFileChooser(uploadMsg, acceptType);
+                    }
+
+                    // For Android 3.0
+                    public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType)
+                    {
+                        LOG.d(LOG_TAG, "File Chooser 3.0 ");
+                        mUploadCallback = uploadMsg;
+                        Intent content = new Intent(Intent.ACTION_GET_CONTENT);
+                        content.addCategory(Intent.CATEGORY_OPENABLE);
+
+                        // run startActivityForResult
+                        cordova.startActivityForResult(ThemeableBrowser.this, Intent.createChooser(content, "Select File"), FILECHOOSER_REQUESTCODE);
+                    }
+
+                });
+
+
                 WebViewClient client = new ThemeableBrowserClient(thatWebView, new PageLoadListener() {
                     @Override
                     public void onPageFinished(String url, boolean canGoBack, boolean canGoForward) {
@@ -1184,6 +1237,42 @@ public void onPageFinished(String url, boolean canGoBack,
                 boolean canGoForward);
     }
 
+    /**
+     * Receive File Data from File Chooser
+     *
+     * @param requestCode the requested code from chromeclient
+     * @param resultCode the result code returned from android system
+     * @param intent the data from android file chooser
+     */
+    public void onActivityResult(int requestCode, int resultCode, Intent intent) {
+        // For Android >= 5.0
+        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            LOG.d(LOG_TAG, "onActivityResult (For Android >= 5.0)");
+            // If RequestCode or Callback is Invalid
+            if(requestCode != FILECHOOSER_REQUESTCODE_LOLLIPOP || mUploadCallbackLollipop == null) {
+                super.onActivityResult(requestCode, resultCode, intent);
+                return;
+            }
+            mUploadCallbackLollipop.onReceiveValue(WebChromeClient.FileChooserParams.parseResult(resultCode, intent));
+            mUploadCallbackLollipop = null;
+        }
+        // For Android < 5.0
+        else {
+            LOG.d(LOG_TAG, "onActivityResult (For Android < 5.0)");
+            // If RequestCode or Callback is Invalid
+            if(requestCode != FILECHOOSER_REQUESTCODE || mUploadCallback == null) {
+                super.onActivityResult(requestCode, resultCode, intent);
+                return;
+            }
+
+            if (null == mUploadCallback) return;
+            Uri result = intent == null || resultCode != cordova.getActivity().RESULT_OK ? null : intent.getData();
+
+            mUploadCallback.onReceiveValue(result);
+            mUploadCallback = null;
+        }
+    }
+
     /**
      * The webview client receives notifications about appView
      */