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add dc_add_device_msg_once() to fii

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This commit is contained in:
B. Petersen
2019-11-12 12:22:02 +01:00
committed by holger krekel
parent a42e197634
commit b42d8799b4
2 changed files with 43 additions and 0 deletions
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22
deltachat-ffi/deltachat.h
View File

@@ -1113,6 +1113,28 @@ void dc_set_draft (dc_context_t* context, uint32_t ch
uint32_t dc_add_device_msg (dc_context_t* context, dc_msg_t* msg);
/**
* Add a message only one time to the device-chat.
* The device-message is defined by a name.
* If a message with the same name was added before,
* the message is not added again.
* Use dc_add_device_msg() to add device-messages unconditionally.
*
* Sends the event #DC_EVENT_MSGS_CHANGED on success.
*
* @memberof dc_context_t
* @param context The context as created by dc_context_new().
* @param label A unique name for the message to add.
* The label is typically not displayed to the user and
* must be created from the characters `A-Z`, `a-z`, `0-9`, `_` or `-`.
* @param msg Message to be added to the device-chat.
* The message appears to the user as an incoming message.
* @return The ID of the added message,
* this might be the id of an older message with the same name.
*/
uint32_t dc_add_device_msg_once (dc_context_t* context, const char* label, dc_msg_t* msg);
/**
* Get draft for a chat, if any.
* See dc_set_draft() for more details about drafts.

21
deltachat-ffi/src/lib.rs
View File

@@ -828,6 +828,27 @@ pub unsafe extern "C" fn dc_add_device_msg(context: *mut dc_context_t, msg: *mut
.unwrap_or(0)
}
#[no_mangle]
pub unsafe extern "C" fn dc_add_device_msg_once(
context: *mut dc_context_t,
label: *const libc::c_char,
msg: *mut dc_msg_t,
) -> u32 {
if context.is_null() || label.is_null() || msg.is_null() {
eprintln!("ignoring careless call to dc_add_device_msg_once()");
return 0;
}
let ffi_context = &mut *context;
let ffi_msg = &mut *msg;
ffi_context
.with_inner(|ctx| {
chat::add_device_msg_once(ctx, &to_string_lossy(label), &mut ffi_msg.message)
.unwrap_or_log_default(ctx, "Failed to add device message once")
})
.map(|msg_id| msg_id.to_u32())
.unwrap_or(0)
}
#[no_mangle]
pub unsafe extern "C" fn dc_get_draft(context: *mut dc_context_t, chat_id: u32) -> *mut dc_msg_t {
if context.is_null() {