Gaia/System/mozChromeEvent

The list of mozChromeEvents which is used by System app

event type	used at (System app)	send by (Gecko file)	description
home-button-pressed	hardware_buttons.js	shell.js
home-button-released	hardware_buttons.js	shell.js
sleep-button-pressed	hardware_buttons.js	shell.js
sleep-button-released	hardware_buttons.js	shell.js
volume-up-button-pressed	hardware_buttons.js	shell.js
volume-up-button-released	hardware_buttons.js	shell.js
volume-down-button-pressed	hardware_buttons.js	shell.js
volume-down-button-released	hardware_buttons.js	shell.js
handle-crash	crash_report.js	shell.js	for both chrome process and content process
system-first-paint	init_logo_handler.js	shell.js	Dispatched after first mozAfterPaint event fired.
webapps-registry-ready	applications.js	shell.js	webapps registry ready to use
webapps-ask-install	app_install_manager.js	shell.js
bluetooth-volumeset	sound_manager.js	shell.js	bluetooth volume change
desktop-notification	notification.js	shell.js
remote-debugger-prompt	remote_debugger.js	shell.js
take-screenshot-success	screenshot.js	shell.js
take-screenshot-error	screenshot.js	shell.js
captive-portal-login	captive_portal.js	shell.js
captive-portal-login-abort	captive_portal.js	shell.js
geolocation-status	statusbar.js	shell.js	indicating if an app requests geolocation information, including watching position.
headphones-status-changed	sound_manager.js statusbar.js	shell.js
audio-channel-changed	sound_manager.js statusbar.js visibility_manager.js	shell.js	the highest priority active channel changed including the audio played by background apps
default-volume-channel-changed	sound_manager.js	shell.js	the audio channel for foreground app changed. This event may be dispatched when an app is shown or hidden and this app changes its default volume channel.
visible-audio-channel-changed	visibility_manager.js	shell.js	the highest priority active channel changed only the audio played by foreground apps
recording-status	media_recording.js statusbar.js	shell.js	the change of media recording status, including video and mic
volume-state-changed	statusbar.js	shell.js	usb mass storage active or not
activity-choice	activities.js	ActivityGlue.js
open-payment-confirmation-dialog	payment.js	PaymentGlue.js	Chrome asks Gaia to show the payment request confirmation dialog.
open-payment-flow-dialog	payment.js	PaymentGlue.js	Chrome asks Gaia to show the payment flow according to the payment request selected by the user.
close-payment-flow-dialog	payment.js	PaymentGlue.js	Chrome ask Gaia to close the payment flow
id-dialog-open	identity.js	SignInToWebsite.jsm	to open a login dialog for persona
id-dialog-done	identity.js	SignInToWebsite.jsm	to close a login dialog for persona
id-dialog-close-iframe	identity.js	SignInToWebsite.jsm	to remove iframe of login dialog
update-error	updatable.js	UpdatePrompt.js	An error occurred during system updating
update-download-started	updatable.js	UpdatePrompt.js
update-download-progress	updatable.js	UpdatePrompt.js
update-download-stopped	updatable.js	UpdatePrompt.js	the download had stopped no matter it has error or not.
update-downloaded	updatable.js	UpdatePrompt.js	The download is finished.
update-prompt-apply	updatable.js	UpdatePrompt.js	Show a prompt message to user to apply the update
update-available	update_manager.js	UpdatePrompt.js	dispatched when a system update available.
inputmethod-showall	keyboard_manager.js	Keyboard.jsm
inputmethod-next	keyboard_manager.js	Keyboard.jsm
inputmethod-contextchange	keyboard_manager.js	Keyboard.jsm
permission-prompt	prompt_manager.js	ContentPermissionPrompt.js	shows when app requests a permission

The list of mozChromeEvents which are not used by System app

event type	send by (Gecko file)	description
back-button-pressed	shell.js	android back key, it should be removed
back-button-released	shell.js	android back key, it should be removed
menu-button-pressed	shell.js	android menu key, it should be removed
menu-button-released	shell.js	android menu key, it should be removed
headset-button-pressed	shell.js	button at headset, it is used by dailer app
headset-button-released	shell.js	button at headset, it is used by dailer app
media-next-track-button-pressed	shell.js
media-next-track-button-released	shell.js
media-previous-track-button-pressed	shell.js
media-previous-track-button-released	shell.js
media-pause-button-pressed	shell.js
media-pause-button-released	shell.js
media-play-button-pressed	shell.js
media-play-button-released	shell.js
media-play-pause-button-pressed	shell.js
media-play-pause-button-released	shell.js
media-stop-button-pressed	shell.js
media-stop-button-released	shell.js
media-rewind-button-pressed	shell.js
media-rewind-button-released	shell.js
media-fast-forward-button-pressed	shell.js
media-fast-forward-button-released	shell.js
inter-app-comm-select-app	shell.js
fullscreen-origin-change	shell.js
webapps-registry-start	shell.js	webapps registry start to load
apps-update-check	WebappsUpdater.jsm	to tell which apps need to be updated.