Allow cancellation of file transfers

This commit is contained in:
Marvin W 2022-03-30 10:36:52 -06:00
parent 339d1d8f55
commit 193bf38a79
No known key found for this signature in database
GPG Key ID: 072E9235DB996F2A
6 changed files with 73 additions and 12 deletions

View File

@ -70,6 +70,7 @@ public class FileTransfer : Object {
public State state { get; set; default=State.NOT_STARTED; }
public int provider { get; set; }
public string info { get; set; }
public Cancellable cancellable { get; default=new Cancellable(); }
private Database? db;
private string storage_dir;

View File

@ -246,7 +246,7 @@ public class FileManager : StreamInteractionModule, Object {
File file = File.new_for_path(Path.build_filename(get_storage_dir(), filename));
OutputStream os = file.create(FileCreateFlags.REPLACE_DESTINATION);
yield os.splice_async(input_stream, OutputStreamSpliceFlags.CLOSE_SOURCE|OutputStreamSpliceFlags.CLOSE_TARGET);
yield os.splice_async(input_stream, OutputStreamSpliceFlags.CLOSE_SOURCE | OutputStreamSpliceFlags.CLOSE_TARGET, Priority.LOW, file_transfer.cancellable);
file_transfer.path = file.get_basename();
file_transfer.input_stream = yield file.read_async();
@ -292,14 +292,15 @@ public class FileManager : StreamInteractionModule, Object {
if (is_sender_trustworthy(file_transfer, conversation)) {
try {
yield get_file_meta(file_provider, file_transfer, conversation, receive_data);
if (file_transfer.size >= 0 && file_transfer.size < 5000000) {
yield download_file_internal(file_provider, file_transfer, conversation);
}
} catch (Error e) {
warning("Error downloading file: %s", e.message);
file_transfer.state = FileTransfer.State.FAILED;
}
if (file_transfer.size >= 0 && file_transfer.size < 5000000) {
download_file_internal.begin(file_provider, file_transfer, conversation, (_, res) => {
download_file_internal.end(res);
});
}
}
conversation.last_active = file_transfer.time;

View File

@ -19,6 +19,7 @@ public class FileDefaultWidget : EventBox {
public ModelButton file_open_button;
public ModelButton file_save_button;
public ModelButton cancel_button;
private FileTransfer.State state;
@ -27,6 +28,7 @@ public class FileDefaultWidget : EventBox {
this.leave_notify_event.connect(on_pointer_left_event);
file_open_button = new ModelButton() { text=_("Open"), visible=true };
file_save_button = new ModelButton() { text=_("Save as…"), visible=true };
cancel_button = new ModelButton() { text=_("Cancel"), visible=true };
}
public void update_file_info(string? mime_type, FileTransfer.State state, long size) {
@ -59,6 +61,18 @@ public class FileDefaultWidget : EventBox {
mime_label.label = _("Downloading %s…").printf(get_size_string(size));
spinner.active = true;
image_stack.set_visible_child_name("spinner");
// Create a menu
Gtk.PopoverMenu popover_menu = new Gtk.PopoverMenu();
Box file_menu_box = new Box(Orientation.VERTICAL, 0) { margin=10, visible=true };
file_menu_box.add(cancel_button);
popover_menu.add(file_menu_box);
file_menu.popover = popover_menu;
file_menu.button_release_event.connect(() => {
popover_menu.visible = true;
return true;
});
popover_menu.closed.connect(on_pointer_left);
break;
case FileTransfer.State.NOT_STARTED:
if (mime_description != null) {
@ -84,7 +98,7 @@ public class FileDefaultWidget : EventBox {
if (state == FileTransfer.State.NOT_STARTED) {
image_stack.set_visible_child_name("download_image");
}
if (state == FileTransfer.State.COMPLETE) {
if (state == FileTransfer.State.COMPLETE || state == FileTransfer.State.IN_PROGRESS) {
file_menu.opacity = 1;
}
return false;

View File

@ -131,6 +131,7 @@ public class FileDefaultWidgetController : Object {
widget.button_release_event.connect(on_clicked);
widget.file_open_button.clicked.connect(open_file);
widget.file_save_button.clicked.connect(save_file);
widget.cancel_button.clicked.connect(cancel_download);
}
public void set_file_transfer(FileTransfer file_transfer, StreamInteractor stream_interactor) {
@ -186,6 +187,10 @@ public class FileDefaultWidgetController : Object {
}
}
private void cancel_download() {
file_transfer.cancellable.cancel();
}
private bool on_clicked(EventButton event_button) {
switch (state) {
case FileTransfer.State.COMPLETE:

View File

@ -46,6 +46,38 @@ public class FileProvider : Dino.FileProvider, Object {
}
}
private class LimitInputStream : InputStream {
InputStream inner;
int64 remaining_size;
public LimitInputStream(InputStream inner, int64 max_size) {
this.inner = inner;
this.remaining_size = max_size;
}
private ssize_t check_limit(ssize_t read) throws IOError {
this.remaining_size -= read;
if (remaining_size < 0) throw new IOError.FAILED("Stream length exceeded limit");
return read;
}
public override ssize_t read(uint8[] buffer, Cancellable? cancellable = null) throws IOError {
return check_limit(inner.read(buffer, cancellable));
}
public override async ssize_t read_async(uint8[]? buffer, int io_priority = GLib.Priority.DEFAULT, Cancellable? cancellable = null) throws IOError {
return check_limit(yield inner.read_async(buffer, io_priority, cancellable));
}
public override bool close(Cancellable? cancellable = null) throws IOError {
return inner.close(cancellable);
}
public override async bool close_async(int io_priority = GLib.Priority.DEFAULT, Cancellable? cancellable = null) throws IOError {
return yield inner.close_async(io_priority, cancellable);
}
}
private void on_file_message(Entities.Message message, Conversation conversation) {
var additional_info = message.id.to_string();
@ -64,9 +96,11 @@ public class FileProvider : Dino.FileProvider, Object {
if (http_receive_data == null) return file_meta;
var session = new Soup.Session();
session.user_agent = @"Dino/$(Dino.get_short_version()) ";
var head_message = new Soup.Message("HEAD", http_receive_data.url);
if (head_message != null) {
head_message.request_headers.append("Accept-Encoding", "identity");
try {
yield session.send_async(head_message, null);
} catch (Error e) {
@ -75,12 +109,12 @@ public class FileProvider : Dino.FileProvider, Object {
string? content_type = null, content_length = null;
head_message.response_headers.foreach((name, val) => {
if (name == "Content-Type") content_type = val;
if (name == "Content-Length") content_length = val;
if (name.down() == "content-type") content_type = val;
if (name.down() == "content-length") content_length = val;
});
file_meta.mime_type = content_type;
if (content_length != null) {
file_meta.size = int.parse(content_length);
file_meta.size = int64.parse(content_length);
}
}
@ -97,9 +131,14 @@ public class FileProvider : Dino.FileProvider, Object {
try {
var session = new Soup.Session();
session.user_agent = @"Dino/$(Dino.get_short_version()) ";
Soup.Request request = session.request(http_receive_data.url);
return yield request.send_async(null);
InputStream stream = yield request.send_async(file_transfer.cancellable);
if (file_meta.size != -1) {
return new LimitInputStream(stream, file_meta.size);
} else {
return stream;
}
} catch (Error e) {
throw new FileReceiveError.DOWNLOAD_FAILED("Downloading file error: %s".printf(e.message));
}

View File

@ -98,8 +98,9 @@ public class HttpFileSender : FileSender, Object {
message.wrote_headers.connect(() => transfer_more_bytes(file_transfer.input_stream, message.request_body));
message.wrote_chunk.connect(() => transfer_more_bytes(file_transfer.input_stream, message.request_body));
Soup.Session session = new Soup.Session();
session.user_agent = @"Dino/$(Dino.get_short_version()) ";
try {
yield session.send_async(message);
yield session.send_async(message, file_transfer.cancellable);
if (message.status_code < 200 || message.status_code >= 300) {
throw new FileSendError.UPLOAD_FAILED("HTTP status code %s".printf(message.status_code.to_string()));
}