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Commit a2f1f28e authored by Harry Cutts's avatar Harry Cutts Committed by Android (Google) Code Review
Browse files

Merge changes Ida17429b,I3debc83d,If68332d6 into main 

* changes:
  InputVerifier: make action_button a field of the action enum
  InputVerifier: use `let ... else` when converting flags and buttons
  InputVerifier: put parameters into a struct
parents c463aa04 34594c3c

libs/input/rust/input.rs

+27 −13
Original line number Diff line number Diff line
@@ -50,7 +50,7 @@ pub enum SourceClass { 


bitflags! {

    /// Source of the input device or input events.

    #[derive(Debug, PartialEq)]

    #[derive(Clone, Copy, Debug, PartialEq)]

    pub struct Source: u32 {

        // Constants from SourceClass, added here for compatibility reasons

        /// SourceClass::Button
@@ -101,7 +101,7 @@ bitflags! { 


/// A rust enum representation of a MotionEvent action.

#[repr(u32)]

#[derive(Eq, PartialEq)]

#[derive(Clone, Copy, Eq, PartialEq)]

pub enum MotionAction {

    /// ACTION_DOWN

    Down = input_bindgen::AMOTION_EVENT_ACTION_DOWN,
@@ -132,9 +132,15 @@ pub enum MotionAction { 
    /// ACTION_SCROLL

    Scroll = input_bindgen::AMOTION_EVENT_ACTION_SCROLL,

    /// ACTION_BUTTON_PRESS

    ButtonPress = input_bindgen::AMOTION_EVENT_ACTION_BUTTON_PRESS,

    ButtonPress {

        /// The button being pressed.

        action_button: MotionButton,

    } = input_bindgen::AMOTION_EVENT_ACTION_BUTTON_PRESS,

    /// ACTION_BUTTON_RELEASE

    ButtonRelease = input_bindgen::AMOTION_EVENT_ACTION_BUTTON_RELEASE,

    ButtonRelease {

        /// The button being released.

        action_button: MotionButton,

    } = input_bindgen::AMOTION_EVENT_ACTION_BUTTON_RELEASE,

}



impl fmt::Display for MotionAction {
@@ -153,14 +159,20 @@ impl fmt::Display for MotionAction { 
            MotionAction::Scroll => write!(f, "SCROLL"),

            MotionAction::HoverEnter => write!(f, "HOVER_ENTER"),

            MotionAction::HoverExit => write!(f, "HOVER_EXIT"),

            MotionAction::ButtonPress => write!(f, "BUTTON_PRESS"),

            MotionAction::ButtonRelease => write!(f, "BUTTON_RELEASE"),

            MotionAction::ButtonPress { action_button } => {

                write!(f, "BUTTON_PRESS({action_button:?})")

            }

            MotionAction::ButtonRelease { action_button } => {

                write!(f, "BUTTON_RELEASE({action_button:?})")

            }

        }

    }

}



impl From<u32> for MotionAction {

    fn from(action: u32) -> Self {

impl MotionAction {

    /// Creates a [`MotionAction`] from an `AMOTION_EVENT_ACTION_…` constant and an action button

    /// (which should be empty for all actions except `BUTTON_PRESS` and `…_RELEASE`).

    pub fn from_code(action: u32, action_button: MotionButton) -> Self {

        let (action_masked, action_index) = MotionAction::breakdown_action(action);

        match action_masked {

            input_bindgen::AMOTION_EVENT_ACTION_DOWN => MotionAction::Down,
@@ -178,14 +190,16 @@ impl From<u32> for MotionAction { 
            input_bindgen::AMOTION_EVENT_ACTION_HOVER_MOVE => MotionAction::HoverMove,

            input_bindgen::AMOTION_EVENT_ACTION_HOVER_EXIT => MotionAction::HoverExit,

            input_bindgen::AMOTION_EVENT_ACTION_SCROLL => MotionAction::Scroll,

            input_bindgen::AMOTION_EVENT_ACTION_BUTTON_PRESS => MotionAction::ButtonPress,

            input_bindgen::AMOTION_EVENT_ACTION_BUTTON_RELEASE => MotionAction::ButtonRelease,

            _ => panic!("Unknown action: {}", action),

            input_bindgen::AMOTION_EVENT_ACTION_BUTTON_PRESS => {

                MotionAction::ButtonPress { action_button }

            }

            input_bindgen::AMOTION_EVENT_ACTION_BUTTON_RELEASE => {

                MotionAction::ButtonRelease { action_button }

            }

            _ => panic!("Unknown action: {}", action),

        }

    }



impl MotionAction {

    fn breakdown_action(action: u32) -> (u32, usize) {

        let action_masked = action & input_bindgen::AMOTION_EVENT_ACTION_MASK;

        let index = (action & input_bindgen::AMOTION_EVENT_ACTION_POINTER_INDEX_MASK)
@@ -219,7 +233,7 @@ bitflags! { 
    /// MotionEvent flags.

    /// The source of truth for the flag definitions are the MotionEventFlag AIDL enum.

    /// The flag values are redefined here as a bitflags API.

    #[derive(Debug)]

    #[derive(Clone, Copy, Debug)]

    pub struct MotionFlags: u32 {

        /// FLAG_WINDOW_IS_OBSCURED

        const WINDOW_IS_OBSCURED = MotionEventFlag::WINDOW_IS_OBSCURED.0 as u32;