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nativescript-angular/nativescript-angular/renderer.ts at master · NativeScript/nativescript-angular · GitHub
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renderer.ts
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renderer.ts
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import
{
Inject
,
Injectable
,
Optional
,
NgZone
,
Renderer2
,
RendererFactory2
,
RendererType2
,
RendererStyleFlags2
,
ViewEncapsulation
}
from
'@angular/core'
;
import
{
View
,
getViewById
,
profile
}
from
'@nativescript/core'
;
import
{
ViewUtil
}
from
'./view-util'
;
import
{
NgView
,
InvisibleNode
}
from
'./element-registry'
;
import
{
NativeScriptDebug
}
from
'./trace'
;
@
Injectable
(
)
export
class
NativeScriptRenderer
extends
Renderer2
{
data
:
{
[
key
:
string
]
:
any
}
=
Object
.
create
(
null
)
;
constructor
(
private
rootView
:
NgView
,
private
zone
:
NgZone
,
private
viewUtil
:
ViewUtil
)
{
super
(
)
;
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
'NativeScriptRenderer created'
)
;
}
}
@
profile
appendChild
(
parent
:
NgView
,
newChild
:
NgView
)
:
void
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.appendChild child:
${
newChild
}
parent:
${
parent
}
`
)
;
}
this
.
viewUtil
.
insertChild
(
parent
,
newChild
)
;
}
@
profile
insertBefore
(
parent
:
NgView
,
newChild
:
NgView
,
refChild
:
NgView
)
:
void
{
let
{
previous
,
next
}
=
refChild
instanceof
View
?
{
previous
:
refChild
.
previousSibling
,
next
:
refChild
}
:
{
previous
:
null
,
next
:
null
}
;
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.insertBefore child:
${
newChild
}
`
+
`parent:
${
parent
}
previous:
${
previous
}
next:
${
next
}
`
)
;
}
this
.
viewUtil
.
insertChild
(
parent
,
newChild
,
previous
,
next
)
;
}
@
profile
removeChild
(
parent
:
any
,
oldChild
:
NgView
)
:
void
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.removeChild child:
${
oldChild
}
parent:
${
parent
}
`
)
;
}
this
.
viewUtil
.
removeChild
(
parent
,
oldChild
)
;
}
@
profile
selectRootElement
(
selector
:
string
)
:
NgView
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.selectRootElement:
${
selector
}
`
)
;
}
if
(
selector
&&
selector
[
0
]
===
'#'
)
{
const
result
=
getViewById
(
this
.
rootView
,
selector
.
slice
(
1
)
)
;
return
(
result
||
this
.
rootView
)
as
NgView
;
}
return
this
.
rootView
;
}
@
profile
parentNode
(
node
:
NgView
)
:
any
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.parentNode for node:
${
node
}
is
${
node
.
parentNode
}
`
)
;
}
return
node
.
parentNode
;
}
@
profile
nextSibling
(
node
:
NgView
)
:
NgView
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.nextSibling of
${
node
}
is
${
node
.
nextSibling
}
`
)
;
}
return
node
.
nextSibling
;
}
@
profile
createComment
(
_value
:
any
)
:
InvisibleNode
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.createComment
${
_value
}
`
)
;
}
return
this
.
viewUtil
.
createComment
(
)
;
}
@
profile
createElement
(
name
:
any
,
_namespace
:
string
)
:
NgView
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.createElement:
${
name
}
`
)
;
}
return
this
.
viewUtil
.
createView
(
name
)
;
}
@
profile
createText
(
_value
:
string
)
:
InvisibleNode
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.createText
${
_value
}
`
)
;
}
return
this
.
viewUtil
.
createText
(
)
;
}
@
profile
createViewRoot
(
hostElement
:
NgView
)
:
NgView
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.createViewRoot
${
hostElement
.
nodeName
}
`
)
;
}
return
hostElement
;
}
@
profile
projectNodes
(
parentElement
:
NgView
,
nodes
:
NgView
[
]
)
:
void
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
'NativeScriptRenderer.projectNodes'
)
;
}
nodes
.
forEach
(
(
node
)
=>
this
.
viewUtil
.
insertChild
(
parentElement
,
node
)
)
;
}
@
profile
destroy
(
)
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
'NativeScriptRenderer.destroy'
)
;
}
// Seems to be called on component dispose only (router outlet)
// TODO: handle this when we resolve routing and navigation.
}
@
profile
setAttribute
(
view
:
NgView
,
name
:
string
,
value
:
string
,
namespace
?:
string
)
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.setAttribute
${
view
}
:
${
name
}
=
${
value
}
, namespace:
${
namespace
}
`
)
;
}
return
this
.
viewUtil
.
setProperty
(
view
,
name
,
value
,
namespace
)
;
}
@
profile
removeAttribute
(
_el
:
NgView
,
_name
:
string
)
:
void
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.removeAttribute
${
_el
}
:
${
_name
}
`
)
;
}
}
@
profile
setProperty
(
view
:
any
,
name
:
string
,
value
:
any
)
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.setProperty
${
view
}
:
${
name
}
=
${
value
}
`
)
;
}
return
this
.
viewUtil
.
setProperty
(
view
,
name
,
value
)
;
}
@
profile
addClass
(
view
:
NgView
,
name
:
string
)
:
void
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.addClass
${
name
}
`
)
;
}
this
.
viewUtil
.
addClass
(
view
,
name
)
;
}
@
profile
removeClass
(
view
:
NgView
,
name
:
string
)
:
void
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.removeClass
${
name
}
`
)
;
}
this
.
viewUtil
.
removeClass
(
view
,
name
)
;
}
@
profile
setStyle
(
view
:
NgView
,
styleName
:
string
,
value
:
any
,
_flags
?:
RendererStyleFlags2
)
:
void
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.setStyle:
${
styleName
}
=
${
value
}
`
)
;
}
this
.
viewUtil
.
setStyle
(
view
,
styleName
,
value
)
;
}
@
profile
removeStyle
(
view
:
NgView
,
styleName
:
string
,
_flags
?:
RendererStyleFlags2
)
:
void
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
'NativeScriptRenderer.removeStyle: ${styleName}'
)
;
}
this
.
viewUtil
.
removeStyle
(
view
,
styleName
)
;
}
// Used only in debug mode to serialize property changes to comment nodes,
// such as <template> placeholders.
@
profile
setBindingDebugInfo
(
renderElement
:
NgView
,
propertyName
:
string
,
propertyValue
:
string
)
:
void
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.setBindingDebugInfo:
${
renderElement
}
,
${
propertyName
}
=
${
propertyValue
}
`
)
;
}
}
@
profile
setElementDebugInfo
(
renderElement
:
any
,
_info
:
any
/*RenderDebugInfo*/
)
:
void
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.setElementDebugInfo:
${
renderElement
}
`
)
;
}
}
@
profile
invokeElementMethod
(
_renderElement
:
NgView
,
methodName
:
string
,
args
:
Array
<
any
>
)
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.invokeElementMethod
${
methodName
}
${
args
}
`
)
;
}
}
@
profile
setValue
(
_renderNode
:
any
,
_value
:
string
)
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.setValue renderNode:
${
_renderNode
}
, value:
${
_value
}
`
)
;
}
}
@
profile
listen
(
renderElement
:
any
,
eventName
:
string
,
callback
:
(
event
:
any
)
=>
boolean
)
:
(
)
=>
void
{
if
(
NativeScriptDebug
.
isLogEnabled
(
)
)
{
NativeScriptDebug
.
rendererLog
(
`NativeScriptRenderer.listen:
${
eventName
}
`
)
;
}
// Explicitly wrap in zone
let
zonedCallback
=
(
...
args
)
=>
{
this
.
zone
.
run
(
(
)
=>
{
callback
.
apply
(
undefined
,
args
)
;
}
)
;
}
;
renderElement
.
on
(
eventName
,
zonedCallback
)
;
if
(
eventName
===
View
.
loadedEvent
&&
renderElement
.
isLoaded
)
{
const
notifyData
=
{
eventName
:
View
.
loadedEvent
,
object
:
renderElement
}
;
zonedCallback
(
notifyData
)
;
}
return
(
)
=>
renderElement
.
off
(
eventName
,
zonedCallback
)
;
}
}
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