diff options
Diffstat (limited to 'content_scripts/mode_insert.coffee')
| -rw-r--r-- | content_scripts/mode_insert.coffee | 105 |
1 files changed, 17 insertions, 88 deletions
diff --git a/content_scripts/mode_insert.coffee b/content_scripts/mode_insert.coffee index dd0c8d16..678e35cc 100644 --- a/content_scripts/mode_insert.coffee +++ b/content_scripts/mode_insert.coffee @@ -1,105 +1,34 @@ -# This mode is installed only when insert mode is active. It is a singleton, so a newly-activated instance -# displaces any active instance. class InsertMode extends Mode constructor: (options = {}) -> defaults = name: "insert" - badge: "I" - singleton: InsertMode - keydown: (event) => @stopBubblingAndTrue - keypress: (event) => @stopBubblingAndTrue - keyup: (event) => @stopBubblingAndTrue exitOnEscape: true - blurOnExit: true - targetElement: null + keydown: (event) => @handler event + keypress: (event) => @handler event + keyup: (event) => @handler event - # If options.targetElement blurs, we exit. - options.exitOnBlur ||= options.targetElement super extend defaults, options - triggerSuppressor.suppress() - - exit: (event = null) -> - triggerSuppressor.unsuppress() - super() - if @options.blurOnExit - element = event?.srcElement - if element and DomUtils.isFocusable element - # Remove the focus so the user can't just get himself back into insert mode by typing in the same - # input box. - # NOTE(smblott, 2014/12/22) Including embeds for .blur() here is experimental. It appears to be the - # right thing to do for most common use cases. However, it could also cripple flash-based sites and - # games. See discussion in #1211 and #1194. - element.blur() - -# Automatically trigger insert mode: -# - On a keydown event in a contentEditable element. -# - When a focusable element receives the focus. -# -# The trigger can be suppressed via triggerSuppressor; see InsertModeBlocker, below. This mode is permanently -# installed (just above normal mode and passkeys mode) on the handler stack. -class InsertModeTrigger extends Mode - constructor: -> - super - name: "insert-trigger" - keydown: (event) => - triggerSuppressor.unlessSuppressed => - # Some sites (e.g. inbox.google.com) change the contentEditable attribute on the fly (see #1245); - # and unfortunately, the focus event happens *before* the change is made. Therefore, we need to - # check (on every keydown) whether the active element is contentEditable. - return @continueBubbling unless document.activeElement?.isContentEditable - new InsertMode - targetElement: document.activeElement - @stopBubblingAndTrue @push - _name: "mode-#{@id}/activate-on-focus" - focus: (event) => - triggerSuppressor.unlessSuppressed => - @alwaysContinueBubbling => - if DomUtils.isFocusable event.target - new InsertMode - targetElement: event.target + "blur": => @exit() - # We may have already focussed an input element, so check. - if document.activeElement and DomUtils.isEditable document.activeElement - new InsertMode - targetElement: document.activeElement + active: -> + document.activeElement and DomUtils.isFocusable document.activeElement -# Used by InsertModeBlocker to suppress InsertModeTrigger; see below. -triggerSuppressor = new Utils.Suppressor true # Note: true == @continueBubbling + handler: (event) -> + if @active() then @stopBubblingAndTrue else @continueBubbling -# Suppresses InsertModeTrigger. This is used by various modes (usually via inheritance) to prevent -# unintentionally dropping into insert mode on focusable elements. -class InsertModeBlocker extends Mode - constructor: (options = {}) -> - defaults = - name: "insert-blocker" - # The user knows best; so, if the user clicks on something, the insert-mode blocker gets out of the way. - exitOnClick: true - onClickMode: InsertMode - super extend defaults, options - triggerSuppressor.suppress() - - @push - _name: "mode-#{@id}/bail-on-click" - "click": (event) => - @alwaysContinueBubbling => - # The user knows best; so, if the user clicks on something, the insert-mode blocker gets out of the - # way. + exit: () -> + document.activeElement.blur() if @active() + if @options.permanentInsertMode + # We don't really exit if we're permanently installed. + Mode.updateBadge() + else + super() - exit: -> - super() - # If the element associated with the event is focusable, then, had we not been blocking the trigger, we - # would already have been in insert mode. Now, a click on that element will not generate a new focus - # event, so the insert-mode trigger will not fire. We have to handle this case specially. - # @options.onClickMode specifies the mode to use (by default, insert mode). - if @clickEvent?.target? and DomUtils.isFocusable @clickEvent.target - new @options.onClickMode - targetElement: event.target - triggerSuppressor.unsuppress() + chooseBadge: (badge) -> + badge.badge ||= "I" if @active() root = exports ? window root.InsertMode = InsertMode -root.InsertModeTrigger = InsertModeTrigger -root.InsertModeBlocker = InsertModeBlocker |