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Auto merge of #23270 - Manishearth:audioparam-validation, r=ferjm

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Add input validation for AudioParam methods

Waiting on a build to make WPT updates

Spec requires us to validate inputs, we aren't doing this here.

We don't need to check for things being finite since we already get the arguments as `Finite` values

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bors-servo 2019-04-26 03:32:48 -04:00 • committed by GitHub
commit 56c2e85cab
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3 changed files with 73 additions and 47 deletions
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77
components/script/dom/audioparam.rs
View file

@ -7,6 +7,7 @@ use crate::dom::bindings::codegen::Bindings::AudioParamBinding;
use crate::dom::bindings::codegen::Bindings::AudioParamBinding::{
AudioParamMethods, AutomationRate,
};
use crate::dom::bindings::error::{Error, Fallible};
use crate::dom::bindings::num::Finite;
use crate::dom::bindings::reflector::{reflect_dom_object, Reflector};
use crate::dom::bindings::root::{Dom, DomRoot};
@ -142,12 +143,22 @@ impl AudioParamMethods for AudioParam {
}
// https://webaudio.github.io/web-audio-api/#dom-audioparam-setvalueattime
fn SetValueAtTime(&self, value: Finite<f32>, start_time: Finite<f64>) -> DomRoot<AudioParam> {
fn SetValueAtTime(
&self,
value: Finite<f32>,
start_time: Finite<f64>,
) -> Fallible<DomRoot<AudioParam>> {
if *start_time < 0. {
return Err(Error::Range(format!(
"start time {} should not be negative",
*start_time
)));
}
self.message_node(AudioNodeMessage::SetParam(
self.param,
UserAutomationEvent::SetValueAtTime(*value, *start_time),
));
DomRoot::from_ref(self)
Ok(DomRoot::from_ref(self))
}
// https://webaudio.github.io/web-audio-api/#dom-audioparam-linearramptovalueattime
@ -155,12 +166,18 @@ impl AudioParamMethods for AudioParam {
&self,
value: Finite<f32>,
end_time: Finite<f64>,
) -> DomRoot<AudioParam> {
) -> Fallible<DomRoot<AudioParam>> {
if *end_time < 0. {
return Err(Error::Range(format!(
"end time {} should not be negative",
*end_time
)));
}
self.message_node(AudioNodeMessage::SetParam(
self.param,
UserAutomationEvent::RampToValueAtTime(RampKind::Linear, *value, *end_time),
));
DomRoot::from_ref(self)
Ok(DomRoot::from_ref(self))
}
// https://webaudio.github.io/web-audio-api/#dom-audioparam-exponentialramptovalueattime
@ -168,12 +185,24 @@ impl AudioParamMethods for AudioParam {
&self,
value: Finite<f32>,
end_time: Finite<f64>,
) -> DomRoot<AudioParam> {
) -> Fallible<DomRoot<AudioParam>> {
if *end_time < 0. {
return Err(Error::Range(format!(
"end time {} should not be negative",
*end_time
)));
}
if *value == 0. {
return Err(Error::Range(format!(
"target value {} should not be 0",
*value
)));
}
self.message_node(AudioNodeMessage::SetParam(
self.param,
UserAutomationEvent::RampToValueAtTime(RampKind::Exponential, *value, *end_time),
));
DomRoot::from_ref(self)
Ok(DomRoot::from_ref(self))
}
// https://webaudio.github.io/web-audio-api/#dom-audioparam-settargetattime
@ -182,30 +211,54 @@ impl AudioParamMethods for AudioParam {
target: Finite<f32>,
start_time: Finite<f64>,
time_constant: Finite<f32>,
) -> DomRoot<AudioParam> {
) -> Fallible<DomRoot<AudioParam>> {
if *start_time < 0. {
return Err(Error::Range(format!(
"start time {} should not be negative",
*start_time
)));
}
if *time_constant < 0. {
return Err(Error::Range(format!(
"time constant {} should not be negative",
*time_constant
)));
}
self.message_node(AudioNodeMessage::SetParam(
self.param,
UserAutomationEvent::SetTargetAtTime(*target, *start_time, (*time_constant).into()),
));
DomRoot::from_ref(self)
Ok(DomRoot::from_ref(self))
}
// https://webaudio.github.io/web-audio-api/#dom-audioparam-cancelscheduledvalues
fn CancelScheduledValues(&self, cancel_time: Finite<f64>) -> DomRoot<AudioParam> {
fn CancelScheduledValues(&self, cancel_time: Finite<f64>) -> Fallible<DomRoot<AudioParam>> {
if *cancel_time < 0. {
return Err(Error::Range(format!(
"cancel time {} should not be negative",
*cancel_time
)));
}
self.message_node(AudioNodeMessage::SetParam(
self.param,
UserAutomationEvent::CancelScheduledValues(*cancel_time),
));
DomRoot::from_ref(self)
Ok(DomRoot::from_ref(self))
}
// https://webaudio.github.io/web-audio-api/#dom-audioparam-cancelandholdattime
fn CancelAndHoldAtTime(&self, cancel_time: Finite<f64>) -> DomRoot<AudioParam> {
fn CancelAndHoldAtTime(&self, cancel_time: Finite<f64>) -> Fallible<DomRoot<AudioParam>> {
if *cancel_time < 0. {
return Err(Error::Range(format!(
"cancel time {} should not be negative",
*cancel_time
)));
}
self.message_node(AudioNodeMessage::SetParam(
self.param,
UserAutomationEvent::CancelAndHoldAtTime(*cancel_time),
));
DomRoot::from_ref(self)
Ok(DomRoot::from_ref(self))
}
}

12
components/script/dom/webidls/AudioParam.webidl
View file

@ -18,15 +18,15 @@ interface AudioParam {
readonly attribute float defaultValue;
readonly attribute float minValue;
readonly attribute float maxValue;
AudioParam setValueAtTime(float value, double startTime);
AudioParam linearRampToValueAtTime(float value, double endTime);
AudioParam exponentialRampToValueAtTime(float value, double endTime);
AudioParam setTargetAtTime(float target,
[Throws] AudioParam setValueAtTime(float value, double startTime);
[Throws] AudioParam linearRampToValueAtTime(float value, double endTime);
[Throws] AudioParam exponentialRampToValueAtTime(float value, double endTime);
[Throws] AudioParam setTargetAtTime(float target,
double startTime,
float timeConstant);
// AudioParam setValueCurveAtTime(sequence<float> values,
// double startTime,
// double duration);
AudioParam cancelScheduledValues(double cancelTime);
AudioParam cancelAndHoldAtTime(double cancelTime);
[Throws] AudioParam cancelScheduledValues(double cancelTime);
[Throws] AudioParam cancelAndHoldAtTime(double cancelTime);
};