iOS: Opening a file via document picker

Use a native file picker to open files. Declare support for .gmi/.gemini files so they can be opened via Files and share sheets.

1 files changed, 24 insertions, 2 deletions

diff --git a/src/ios.m b/src/ios.m
index a1654df2..e7288677 100644
--- a/src/ios.m
+++ b/src/ios.m
@@ -181,11 +181,22 @@ static AppState *appState_;
 
 - (void)documentPicker:(UIDocumentPickerViewController *)controller
 didPickDocumentsAtURLs:(NSArray<NSURL *> *)urls {
-    [self removeSavedFile];
+    if (fileBeingSaved) {
+        [self removeSavedFile];
+    }
+    else {
+        /* A file is being opened. */
+        NSURL *url = [urls firstObject];
+        iString *path = localFilePathFromUrl_String(collectNewCStr_String([[url absoluteString]
+                                                                           UTF8String]));
+        postCommandf_App("file.open temp:1 path:%s", cstrCollect_String(path));
+    }
 }
 
 - (void)documentPickerWasCancelled:(UIDocumentPickerViewController *)controller {
-    [self removeSavedFile];
+    if (fileBeingSaved) {
+        [self removeSavedFile];
+    }
 }
 
 -(void)keyboardOnScreen:(NSNotification *)notification {
@@ -335,6 +346,17 @@ void exportDownloadedFile_iOS(const iString *path) {
     [viewController_(get_Window()) presentViewController:picker animated:YES completion:nil];
 }
 
+void pickFileForOpening_iOS(void) {
+    UIDocumentPickerViewController *picker = [[UIDocumentPickerViewController alloc]
+                                              initWithDocumentTypes:@[@"fi.skyjake.lagrange.gemini",
+                                                                      @"public.text",
+                                                                      @"public.image",
+                                                                      @"public.audio"]
+                                              inMode:UIDocumentPickerModeImport];
+    picker.delegate = appState_;
+    [viewController_(get_Window()) presentViewController:picker animated:YES completion:nil];
+}
+
 /*----------------------------------------------------------------------------------------------*/
 
 enum iAVFAudioPlayerState {