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#![allow(non_camel_case_types, non_snake_case)]
use crate::co;
use crate::decl::*;
use crate::guard::*;
use crate::kernel::ffi_types::*;
use crate::ole::privs::*;
use crate::prelude::*;
use crate::vt::*;
/// [`IPersistFile`](crate::IPersistFile) virtual table.
#[repr(C)]
pub struct IPersistFileVT {
pub IPersistVT: IPersistVT,
pub IsDirty: fn(COMPTR) -> HRES,
pub Load: fn(COMPTR, PCSTR, u32) -> HRES,
pub Save: fn(COMPTR, PCSTR, i32) -> HRES,
pub SaveCompleted: fn(COMPTR, PCSTR) -> HRES,
pub GetCurFile: fn(COMPTR, *mut PSTR) -> HRES,
}
com_interface! { IPersistFile: "0000010b-0000-0000-c000-000000000046";
/// [`IPersistFile`](https://learn.microsoft.com/en-us/windows/win32/api/objidl/nn-objidl-ipersistfile)
/// COM interface over [`IPersistFileVT`](crate::vt::IPersistFileVT).
///
/// Automatically calls
/// [`Release`](https://learn.microsoft.com/en-us/windows/win32/api/unknwn/nf-unknwn-iunknown-release)
/// when the object goes out of scope.
}
impl ole_IPersist for IPersistFile {}
impl ole_IPersistFile for IPersistFile {}
/// This trait is enabled with the `ole` feature, and provides methods for
/// [`IPersistFile`](crate::IPersistFile).
///
/// Prefer importing this trait through the prelude:
///
/// ```no_run
/// use winsafe::prelude::*;
/// ```
pub trait ole_IPersistFile: ole_IUnknown {
/// [`IPersistFile::GetCurFile`](https://learn.microsoft.com/en-us/windows/win32/api/objidl/nf-objidl-ipersistfile-getcurfile)
/// method.
#[must_use]
fn GetCurFile(&self) -> HrResult<String> {
let mut pstr = std::ptr::null_mut::<u16>();
ok_to_hrresult(
unsafe {
(vt::<IPersistFileVT>(self).GetCurFile)(self.ptr(), &mut pstr)
},
).map(|_| {
let name = unsafe { WString::from_wchars_nullt(pstr) };
let _ = unsafe { CoTaskMemFreeGuard::new(pstr as _, 0) }; // https://stackoverflow.com/q/3079508/6923555
name.to_string()
})
}
/// [`IPersistFile::IsDirty`](https://learn.microsoft.com/en-us/windows/win32/api/objidl/nf-objidl-ipersistfile-isdirty)
/// method.
#[must_use]
fn IsDirty(&self) -> HrResult<bool> {
okfalse_to_hrresult(
unsafe { (vt::<IPersistFileVT>(self).IsDirty)(self.ptr()) },
)
}
/// [`IPersistFile::Load`](https://learn.microsoft.com/en-us/windows/win32/api/objidl/nf-objidl-ipersistfile-load)
/// method.
fn Load(&self, file_name: &str, dw_mode: co::STGM) -> HrResult<()> {
ok_to_hrresult(
unsafe {
(vt::<IPersistFileVT>(self).Load)(
self.ptr(),
WString::from_str(file_name).as_ptr(),
dw_mode.raw(),
)
},
)
}
/// [`IPersistFile::Save`](https://learn.microsoft.com/en-us/windows/win32/api/objidl/nf-objidl-ipersistfile-save)
/// method.
fn Save(&self, file_name: Option<&str>, remember: bool) -> HrResult<()> {
ok_to_hrresult(
unsafe {
(vt::<IPersistFileVT>(self).Save)(
self.ptr(),
WString::from_opt_str(file_name).as_ptr(),
remember as _,
)
},
)
}
/// [`IPersistFile::SaveCompleted`](https://learn.microsoft.com/en-us/windows/win32/api/objidl/nf-objidl-ipersistfile-savecompleted)
/// method.
fn SaveCompleted(&self, file_name: &str) -> HrResult<()> {
ok_to_hrresult(
unsafe {
(vt::<IPersistFileVT>(self).SaveCompleted)(
self.ptr(),
WString::from_str(file_name).as_ptr(),
)
},
)
}
}