diff options
Diffstat (limited to 'content_scripts/vimium_frontend.coffee')
| -rw-r--r-- | content_scripts/vimium_frontend.coffee | 67 |
1 files changed, 60 insertions, 7 deletions
diff --git a/content_scripts/vimium_frontend.coffee b/content_scripts/vimium_frontend.coffee index 1f116f88..ae275f0c 100644 --- a/content_scripts/vimium_frontend.coffee +++ b/content_scripts/vimium_frontend.coffee @@ -57,6 +57,15 @@ settings = @port = chrome.runtime.connect({ name: "settings" }) @port.onMessage.addListener(@receiveMessage) + # If the port is closed, the background page has gone away (since we never close it ourselves). Stub the + # settings object so we don't keep trying to connect to the extension even though it's gone away. + @port.onDisconnect.addListener => + @port = null + for own property, value of this + # @get doesn't depend on @port, so we can continue to support it to try and reduce errors. + @[property] = (->) if "function" == typeof value and property != "get" + + get: (key) -> @values[key] set: (key, value) -> @@ -109,6 +118,13 @@ initializePreDomReady = -> # Send the key to the key handler in the background page. keyPort = chrome.runtime.connect({ name: "keyDown" }) + # If the port is closed, the background page has gone away (since we never close it ourselves). Disable all + # our event listeners, and stub out chrome.runtime.sendMessage/connect (to prevent errors). + # TODO(mrmr1993): Do some actual cleanup to free resources, hide UI, etc. + keyPort.onDisconnect.addListener -> + isEnabledForUrl = false + chrome.runtime.sendMessage = -> + chrome.runtime.connect = -> requestHandlers = hideUpgradeNotification: -> HUD.hideUpgradeNotification() @@ -183,6 +199,8 @@ initializeOnDomReady = -> # Tell the background page we're in the dom ready state. chrome.runtime.connect({ name: "domReady" }) + CursorHider.init() + Vomnibar.init() registerFrame = -> # Don't register frameset containers; focusing them is no use. @@ -436,15 +454,16 @@ onKeydown = (event) -> keyChar = "<" + keyChar + ">" if (isInsertMode() && KeyboardUtils.isEscape(event)) - # Note that we can't programmatically blur out of Flash embeds from Javascript. - if (!isEmbed(event.srcElement)) + if isEditable(event.srcElement) or isEmbed(event.srcElement) # Remove focus so the user can't just get himself back into insert mode by typing in the same input # box. - if (isEditable(event.srcElement)) - event.srcElement.blur() - exitInsertMode() - DomUtils.suppressEvent event - KeydownEvents.push event + # NOTE(smblott, 2014/12/22) Including embeds for .blur() etc. 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. + event.srcElement.blur() + exitInsertMode() + DomUtils.suppressEvent event + handledKeydownEvents.push event else if (findMode) if (KeyboardUtils.isEscape(event)) @@ -1086,6 +1105,40 @@ Tween = value = (elapsed / state.duration) * (state.to - state.from) + state.from state.onUpdate(value) +CursorHider = + # + # Hide the cursor when the browser scrolls, and prevent mouse from hovering while invisible. + # + cursorHideStyle: null + isScrolling: false + + onScroll: (event) -> + CursorHider.isScrolling = true + unless CursorHider.cursorHideStyle.parentElement + document.head.appendChild CursorHider.cursorHideStyle + + onMouseMove: (event) -> + if CursorHider.cursorHideStyle.parentElement and not CursorHider.isScrolling + CursorHider.cursorHideStyle.remove() + CursorHider.isScrolling = false + + init: -> + # Temporarily disabled pending consideration of #1359 (in particular, whether cursor hiding is too fragile + # as to provide a consistent UX). + return + + # Disable cursor hiding for Chrome versions less than 39.0.2171.71 due to a suspected browser error. + # See #1345 and #1348. + return unless Utils.haveChromeVersion "39.0.2171.71" + + @cursorHideStyle = document.createElement("style") + @cursorHideStyle.innerHTML = """ + body * {pointer-events: none !important; cursor: none !important;} + body, html {cursor: none !important;} + """ + window.addEventListener "mousemove", @onMouseMove + window.addEventListener "scroll", @onScroll + initializePreDomReady() window.addEventListener("DOMContentLoaded", registerFrame) window.addEventListener("unload", unregisterFrame) |