wip image previews

android/app/src/main/kotlin/im/cwtch/flwtch/MainActivity.kt

@@ -22,6 +22,7 @@ import io.flutter.plugin.common.ErrorLogResult
 
 import org.json.JSONObject
 import java.util.concurrent.TimeUnit
+import java.io.File
 
 import android.net.Uri
 import android.provider.DocumentsContract
@@ -57,9 +58,11 @@ class MainActivity: FlutterActivity() {
 
     // "Download to..." prompt extra arguments
     private val FILEPICKER_REQUEST_CODE = 234
+    private val PREVIEW_EXPORT_REQUEST_CODE = 235
     private var dlToProfile = ""
     private var dlToHandle = ""
     private var dlToFileKey = ""
+    private var exportFromPath = ""
 
     // handles clicks received from outside the app (ie, notifications)
     override fun onNewIntent(intent: Intent) {
@@ -102,6 +105,11 @@ class MainActivity: FlutterActivity() {
                     "manifestpath" to manifestPath,
                     "filekey" to this.dlToFileKey
             )), ErrorLogResult(""));//placeholder; this Result is never actually invoked
+        } else if (requestCode == PREVIEW_EXPORT_REQUEST_CODE) {
+            val targetPath = intent!!.getData().toString()
+            var srcFile = File(this.exportFromPath)
+            Log.i("MainActivity:PREVIEW_EXPORT", "exporting previewed file")
+            srcFile.copyTo(File(targetPath));
         }
     }
 
@@ -170,6 +178,26 @@ class MainActivity: FlutterActivity() {
             }
             startActivityForResult(intent, FILEPICKER_REQUEST_CODE)
             return
+        } else if (call.method == "ExportPreviewedFile") {
+            this.exportFromPath = argmap["Path"] ?: ""
+            val suggestion = argmap["FileName"] ?: "filename.ext"
+            var imgType = "jpeg"
+            if (suggestion.endsWith("png")) {
+                imgType = "png"
+            } else if (suggestion.endsWith("webp")) {
+                imgType = "webp"
+            } else if (suggestion.endsWith("bmp")) {
+                imgType = "bmp"
+            } else if (suggestion.endsWith("gif")) {
+                imgType = "gif"
+            }
+            val intent = Intent(Intent.ACTION_CREATE_DOCUMENT).apply {
+                addCategory(Intent.CATEGORY_OPENABLE)
+                type = "image/" + imgType
+                putExtra(Intent.EXTRA_TITLE, suggestion)
+            }
+            startActivityForResult(intent, PREVIEW_EXPORT_REQUEST_CODE)
+            return
         }
 
         // ...otherwise fallthru to a normal ffi method call (and return the result using the result callback)

lib/cwtch/cwtch.dart

@@ -55,6 +55,8 @@ abstract class Cwtch {
   void CheckDownloadStatus(String profile, String fileKey);
   // ignore: non_constant_identifier_names
   void VerifyOrResumeDownload(String profile, int handle, String filekey);
+  // ignore: non_constant_identifier_names
+  void ExportPreviewedFile(String sourceFile, String suggestion);
 
   // ignore: non_constant_identifier_names
   void ArchiveConversation(String profile, int handle);

lib/cwtch/ffi.dart

@@ -402,6 +402,11 @@ class CwtchFfi implements Cwtch {
     // android only - do nothing
   }
 
+  // ignore: non_constant_identifier_names
+  void ExportPreviewedFile(String sourceFile, String suggestion) {
+    // android only - do nothing
+  }
+
   @override
   // ignore: non_constant_identifier_names
   void CheckDownloadStatus(String profileOnion, String fileKey) {

lib/cwtch/gomobile.dart

@@ -149,6 +149,11 @@ class CwtchGomobile implements Cwtch {
     cwtchPlatform.invokeMethod("CreateDownloadableFile", {"ProfileOnion": profileOnion, "conversation": conversation, "filename": filenameSuggestion, "filekey": filekey});
   }
 
+  // ignore: non_constant_identifier_names
+  void ExportPreviewedFile(String sourceFile, String suggestion) {
+    cwtchPlatform.invokeMethod("ExportPreviewedFile", {"Path": sourceFile, "FileName": suggestion,});
+  }
+
   @override
   // ignore: non_constant_identifier_names
   void CheckDownloadStatus(String profileOnion, String fileKey) {

lib/views/globalsettingsview.dart

@@ -227,7 +227,6 @@ class _GlobalSettingsViewState extends State<GlobalSettingsView> {
                                 inactiveTrackColor: settings.theme.defaultButtonDisabledColor(),
                                 secondary: Icon(Icons.attach_file, color: settings.current().mainTextColor()),
                               ),
-<<<<<<< HEAD
                               Visibility(
                                 visible: settings.isExperimentEnabled(FileSharingExperiment),
                                 child: Column(children:[

lib/widgets/filebubble.dart

@@ -322,8 +322,13 @@ class FileBubbleState extends State<FileBubble> {
                     fit: BoxFit.scaleDown
                 )
             ),
-          ),Icon(Icons.arrow_downward)]),
+          ),IconButton(icon: Icon(Icons.arrow_downward), onPressed: androidExport),
+          ]),
         ))
     );
   }
+
+  void androidExport() async {
+
+  }
 }