1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
// DO NOT EDIT

use glib::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::StaticType;
use glib::ToValue;
use std::boxed::Box as Box_;
use std::mem::transmute;

glib::wrapper! {
    /// A value mapping object that attaches control sources to gobject properties. It
    /// will map the control values directly to the target property range. If a
    /// non-absolute direct control binding is used, the value range [0.0 ... 1.0]
    /// is mapped to full target property range, and all values outside the range
    /// will be clipped. An absolute control binding will not do any value
    /// transformations.
    ///
    /// # Implements
    ///
    /// [`DirectControlBindingExt`][trait@crate::prelude::DirectControlBindingExt], [`trait@gst::prelude::ControlBindingExt`], [`trait@gst::prelude::ObjectExt`]
    #[doc(alias = "GstDirectControlBinding")]
    pub struct DirectControlBinding(Object<ffi::GstDirectControlBinding, ffi::GstDirectControlBindingClass>) @extends gst::ControlBinding, gst::Object;

    match fn {
        type_ => || ffi::gst_direct_control_binding_get_type(),
    }
}

impl DirectControlBinding {
    /// Create a new control-binding that attaches the [`gst::ControlSource`][crate::gst::ControlSource] to the
    /// `GObject` property. It will map the control source range [0.0 ... 1.0] to
    /// the full target property range, and clip all values outside this range.
    /// ## `object`
    /// the object of the property
    /// ## `property_name`
    /// the property-name to attach the control source
    /// ## `cs`
    /// the control source
    ///
    /// # Returns
    ///
    /// the new [`DirectControlBinding`][crate::DirectControlBinding]
    #[doc(alias = "gst_direct_control_binding_new")]
    pub fn new<P: IsA<gst::Object>, Q: IsA<gst::ControlSource>>(
        object: &P,
        property_name: &str,
        cs: &Q,
    ) -> DirectControlBinding {
        assert_initialized_main_thread!();
        unsafe {
            gst::ControlBinding::from_glib_none(ffi::gst_direct_control_binding_new(
                object.as_ref().to_glib_none().0,
                property_name.to_glib_none().0,
                cs.as_ref().to_glib_none().0,
            ))
            .unsafe_cast()
        }
    }

    /// Create a new control-binding that attaches the [`gst::ControlSource`][crate::gst::ControlSource] to the
    /// `GObject` property. It will directly map the control source values to the
    /// target property range without any transformations.
    /// ## `object`
    /// the object of the property
    /// ## `property_name`
    /// the property-name to attach the control source
    /// ## `cs`
    /// the control source
    ///
    /// # Returns
    ///
    /// the new [`DirectControlBinding`][crate::DirectControlBinding]
    #[doc(alias = "gst_direct_control_binding_new_absolute")]
    pub fn new_absolute<P: IsA<gst::Object>, Q: IsA<gst::ControlSource>>(
        object: &P,
        property_name: &str,
        cs: &Q,
    ) -> DirectControlBinding {
        assert_initialized_main_thread!();
        unsafe {
            gst::ControlBinding::from_glib_none(ffi::gst_direct_control_binding_new_absolute(
                object.as_ref().to_glib_none().0,
                property_name.to_glib_none().0,
                cs.as_ref().to_glib_none().0,
            ))
            .unsafe_cast()
        }
    }
}

unsafe impl Send for DirectControlBinding {}
unsafe impl Sync for DirectControlBinding {}

pub const NONE_DIRECT_CONTROL_BINDING: Option<&DirectControlBinding> = None;

/// Trait containing all [`struct@DirectControlBinding`] methods.
///
/// # Implementors
///
/// [`DirectControlBinding`][struct@crate::DirectControlBinding]
pub trait DirectControlBindingExt: 'static {
    fn is_absolute(&self) -> bool;

    #[doc(alias = "control-source")]
    fn control_source(&self) -> Option<gst::ControlSource>;

    #[doc(alias = "control-source")]
    fn set_control_source<P: IsA<gst::ControlSource>>(&self, control_source: Option<&P>);

    #[doc(alias = "control-source")]
    fn connect_control_source_notify<F: Fn(&Self) + Send + Sync + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId;
}

impl<O: IsA<DirectControlBinding>> DirectControlBindingExt for O {
    fn is_absolute(&self) -> bool {
        unsafe {
            let mut value = glib::Value::from_type(<bool as StaticType>::static_type());
            glib::gobject_ffi::g_object_get_property(
                self.to_glib_none().0 as *mut glib::gobject_ffi::GObject,
                b"absolute\0".as_ptr() as *const _,
                value.to_glib_none_mut().0,
            );
            value
                .get()
                .expect("Return Value for property `absolute` getter")
        }
    }

    fn control_source(&self) -> Option<gst::ControlSource> {
        unsafe {
            let mut value =
                glib::Value::from_type(<gst::ControlSource as StaticType>::static_type());
            glib::gobject_ffi::g_object_get_property(
                self.to_glib_none().0 as *mut glib::gobject_ffi::GObject,
                b"control-source\0".as_ptr() as *const _,
                value.to_glib_none_mut().0,
            );
            value
                .get()
                .expect("Return Value for property `control-source` getter")
        }
    }

    fn set_control_source<P: IsA<gst::ControlSource>>(&self, control_source: Option<&P>) {
        unsafe {
            glib::gobject_ffi::g_object_set_property(
                self.to_glib_none().0 as *mut glib::gobject_ffi::GObject,
                b"control-source\0".as_ptr() as *const _,
                control_source.to_value().to_glib_none().0,
            );
        }
    }

    #[doc(alias = "control-source")]
    fn connect_control_source_notify<F: Fn(&Self) + Send + Sync + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_control_source_trampoline<
            P: IsA<DirectControlBinding>,
            F: Fn(&P) + Send + Sync + 'static,
        >(
            this: *mut ffi::GstDirectControlBinding,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&DirectControlBinding::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::control-source\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_control_source_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}