Namespace: Background

Methods

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<private, static> _onChromeMessage(request [, sender] [, response]) → {boolean}

Event: Fired when a message is sent from either an extension process
(by runtime.sendMessage) or a content script (by tabs.sendMessage).

Parameters:

Name	Type	Argument	Description
request	Chrome.Msg.Message		details for the message
sender	Object	<optional>	MessageSender object
response	function	<optional>	function to call once after processing

Source:

• background/background.js, line 106

See:

• https://developer.chrome.com/extensions/runtime#event-onMessage

Returns:

true if asynchronous

Type

boolean

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<private, static> _onIconClicked()

Event: Fired when a browser action icon is clicked.

Source:

• background/background.js, line 78

See:

• https://goo.gl/abVwKu

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<private, static> _onInstalled(details)

Event: Fired when the extension is first installed,
when the extension is updated to a new version,
and when Chrome is updated to a new version.

Parameters:

Name	Type	Description
details	Object	type of event Properties Name Type Description reason string reason for install previousVersion string old version if 'update' reason

Source:

• background/background.js, line 41

See:

• https://developer.chrome.com/extensions/runtime#event-onInstalled

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<private, static> _onLoad()

Event: called when document and resources are loaded

Source:

• sources/photo_source_reddit.js, line 200

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<private, static> _onLoad()

Event: called when document and resources are loaded

Source:

• background/background.js, line 120

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<private, static> _onStartup()

Event: Fired when a profile that has this extension installed first starts up

Source:

• background/background.js, line 67

See:

• https://developer.chrome.com/extensions/runtime#event-onStartup

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<private, static> _onStorageChanged(event)

Event: Fired when item in localStorage changes

Parameters:

Name	Type	Description
event	Event	StorageEvent Properties Name Type Description key string storage item that changed

Source:

• background/background.js, line 90

See:

• https://developer.mozilla.org/en-US/docs/Web/Events/storage

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<private, static> _showOptionsTab()

Display the options tab

Source:

• background/background.js, line 22