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use crate::*;
use std::any::Any;

/// Struct for the `window_title` modifier.
pub struct TitleView<V> {
    child: V,
    title: String,
}

impl<V> TitleView<V>
where
    V: View,
{
    pub fn new(v: V, title: &str) -> Self {
        Self {
            child: v,
            title: title.into(),
        }
    }
}

impl<V> View for TitleView<V>
where
    V: View,
{
    fn process(
        &self,
        event: &Event,
        id: ViewId,
        cx: &mut Context,
        actions: &mut Vec<Box<dyn Any>>,
    ) {
        self.child.process(event, id.child(&0), cx, actions);
    }

    fn draw(&self, id: ViewId, args: &mut DrawArgs) {
        self.child.draw(id.child(&0), args);
        let cx = &mut args.cx;
        if cx.window_title != self.title {
            cx.window_title = self.title.clone();
        }
    }

    fn layout(&self, id: ViewId, args: &mut LayoutArgs) -> LocalSize {
        self.child.layout(id.child(&0), args)
    }

    fn dirty(&self, id: ViewId, xform: LocalToWorld, cx: &mut Context) {
        self.child.dirty(id.child(&0), xform, cx);
    }

    fn hittest(&self, id: ViewId, pt: LocalPoint, cx: &mut Context) -> Option<ViewId> {
        self.child.hittest(id.child(&0), pt, cx)
    }

    fn commands(&self, id: ViewId, cx: &mut Context, cmds: &mut Vec<CommandInfo>) {
        self.child.commands(id.child(&0), cx, cmds)
    }

    fn gc(&self, id: ViewId, cx: &mut Context, map: &mut Vec<ViewId>) {
        self.child.gc(id.child(&0), cx, map)
    }

    fn access(
        &self,
        id: ViewId,
        cx: &mut Context,
        nodes: &mut Vec<(accesskit::NodeId, accesskit::Node)>,
    ) -> Option<accesskit::NodeId> {
        self.child.access(id.child(&0), cx, nodes)
    }
}

impl<V> private::Sealed for TitleView<V> {}

/// Struct for the `fullscreen` modifier.
pub struct FullscreenView<V> {
    child: V,
}

impl<V> FullscreenView<V>
where
    V: View,
{
    pub fn new(v: V) -> Self {
        Self { child: v }
    }
}

impl<V> View for FullscreenView<V>
where
    V: View,
{
    fn process(
        &self,
        event: &Event,
        id: ViewId,
        cx: &mut Context,
        actions: &mut Vec<Box<dyn Any>>,
    ) {
        self.child.process(event, id.child(&0), cx, actions);
    }

    fn draw(&self, id: ViewId, args: &mut DrawArgs) {
        self.child.draw(id.child(&0), args);
        args.cx.fullscreen = true;
    }

    fn layout(&self, id: ViewId, args: &mut LayoutArgs) -> LocalSize {
        self.child.layout(id.child(&0), args)
    }

    fn dirty(&self, id: ViewId, xform: LocalToWorld, cx: &mut Context) {
        self.child.dirty(id.child(&0), xform, cx);
    }

    fn hittest(&self, id: ViewId, pt: LocalPoint, cx: &mut Context) -> Option<ViewId> {
        self.child.hittest(id.child(&0), pt, cx)
    }

    fn commands(&self, id: ViewId, cx: &mut Context, cmds: &mut Vec<CommandInfo>) {
        self.child.commands(id.child(&0), cx, cmds)
    }

    fn gc(&self, id: ViewId, cx: &mut Context, map: &mut Vec<ViewId>) {
        self.child.gc(id.child(&0), cx, map)
    }

    fn access(
        &self,
        id: ViewId,
        cx: &mut Context,
        nodes: &mut Vec<(accesskit::NodeId, accesskit::Node)>,
    ) -> Option<accesskit::NodeId> {
        self.child.access(id.child(&0), cx, nodes)
    }
}

impl<V> private::Sealed for FullscreenView<V> {}