Struct ProgressBarCallback 

pub struct ProgressBarCallback { /* private fields */ }

默认的进度回调实现（使用进度条）

Implementations

impl ProgressBarCallback

pub fn new() -> Self

Trait Implementations

impl Clone for ProgressBarCallback

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Default for ProgressBarCallback

fn default() -> Self

Returns the “default value” for a type.

impl ProgressCallback for ProgressBarCallback

fn on_file_start<'life0, 'life1, 'async_trait>( &'life0 self, file_name: &'life1 str, file_size: u64, ) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

当文件下载开始时调用

fn on_file_progress<'life0, 'life1, 'async_trait>( &'life0 self, file_name: &'life1 str, downloaded: u64, _total: u64, ) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

当文件下载进度更新时调用

fn on_file_complete<'life0, 'life1, 'async_trait>( &'life0 self, file_name: &'life1 str, ) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

当文件下载完成时调用

fn on_file_error<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, file_name: &'life1 str, _error: &'life2 str, ) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

当文件下载失败时调用