71 lines
2.1 KiB
CoffeeScript
71 lines
2.1 KiB
CoffeeScript
WebView = require './web-view'
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webViewConstants = require './web-view-constants'
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# Attribute objects.
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# Default implementation of a WebView attribute.
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class WebViewAttribute
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constructor: (name, webViewImpl) ->
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@name = name
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@value = ''
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@webViewImpl = webViewImpl
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getValue: -> @value || ''
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setValue: (value) -> @value = value
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# Attribute representing the state of the storage partition.
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class Partition extends WebViewAttribute
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constructor: (webViewImpl) ->
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super webViewConstants.ATTRIBUTE_PARTITION, webViewImpl
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@validPartitionId = true
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@persistStorage = false
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@storagePartitionId = ''
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@webViewImpl = webViewImpl
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getValue: ->
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return '' unless @validPartitionId
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(if @persistStorage then 'persist:' else '') + @storagePartitionId
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setValue: (value) ->
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result = {}
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hasNavigated = !@webViewImpl.beforeFirstNavigation
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if hasNavigated
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result.error = webViewConstants.ERROR_MSG_ALREADY_NAVIGATED
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return result
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value = '' unless value
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LEN = 'persist:'.length
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if value.substr(0, LEN) == 'persist:'
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value = value.substr LEN
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unless value
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@validPartitionId = false
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result.error = webViewConstants.ERROR_MSG_INVALID_PARTITION_ATTRIBUTE
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return result
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@persistStorage = true
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else
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@persistStorage = false
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@storagePartitionId = value
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result
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# Sets up all of the webview attributes.
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WebView::setupWebViewAttributes = ->
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@attributes = {}
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# Initialize the attributes with special behavior (and custom attribute
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# objects).
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@attributes[webViewConstants.ATTRIBUTE_PARTITION] = new Partition(this)
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# Initialize the remaining attributes, which have default behavior.
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defaultAttributes = [
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webViewConstants.ATTRIBUTE_ALLOWTRANSPARENCY
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webViewConstants.ATTRIBUTE_AUTOSIZE
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webViewConstants.ATTRIBUTE_MAXHEIGHT
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webViewConstants.ATTRIBUTE_MAXWIDTH
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webViewConstants.ATTRIBUTE_MINHEIGHT
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webViewConstants.ATTRIBUTE_MINWIDTH
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webViewConstants.ATTRIBUTE_SRC
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webViewConstants.ATTRIBUTE_HTTPREFERRER
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]
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for attribute in defaultAttributes
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@attributes[attribute] = new WebViewAttribute(attribute, this)
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