diff options
Diffstat (limited to 'contexts/data/lib/closure-library/closure/goog/editor/browserfeature.js')
| -rw-r--r-- | contexts/data/lib/closure-library/closure/goog/editor/browserfeature.js | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/contexts/data/lib/closure-library/closure/goog/editor/browserfeature.js b/contexts/data/lib/closure-library/closure/goog/editor/browserfeature.js deleted file mode 100644 index 678dd04..0000000 --- a/contexts/data/lib/closure-library/closure/goog/editor/browserfeature.js +++ /dev/null @@ -1,266 +0,0 @@ -// Copyright 2005 The Closure Library Authors. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS-IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -/** - * @fileoverview Trogedit constants for browser features and quirks that should - * be used by the rich text editor. - */ - -goog.provide('goog.editor.BrowserFeature'); - -goog.require('goog.editor.defines'); -goog.require('goog.userAgent'); -goog.require('goog.userAgent.product'); -goog.require('goog.userAgent.product.isVersion'); - - -/** - * Maps browser quirks to boolean values, detailing what the current - * browser supports. - * @type {Object} - */ -goog.editor.BrowserFeature = { - // Whether this browser uses the IE TextRange object. - HAS_IE_RANGES: goog.userAgent.IE && !goog.userAgent.isDocumentMode(9), - - // Whether this browser uses the W3C standard Range object. - // Assumes IE higher versions will be compliance with W3C standard. - HAS_W3C_RANGES: goog.userAgent.GECKO || goog.userAgent.WEBKIT || - goog.userAgent.OPERA || - (goog.userAgent.IE && goog.userAgent.isDocumentMode(9)), - - // Has the contentEditable attribute, which makes nodes editable. - // - // NOTE(nicksantos): FF3 has contentEditable, but there are 3 major reasons - // why we don't use it: - // 1) In FF3, we listen for key events on the document, and we'd have to - // filter them properly. See TR_Browser.USE_DOCUMENT_FOR_KEY_EVENTS. - // 2) In FF3, we listen for focus/blur events on the document, which - // simply doesn't make sense in contentEditable. focus/blur - // on contentEditable elements still has some quirks, which we're - // talking to Firefox-team about. - // 3) We currently use Mutation events in FF3 to detect changes, - // and these are dispatched on the document only. - // If we ever hope to support FF3/contentEditable, all 3 of these issues - // will need answers. Most just involve refactoring at our end. - HAS_CONTENT_EDITABLE: goog.userAgent.IE || goog.userAgent.WEBKIT || - goog.userAgent.OPERA || - (goog.editor.defines.USE_CONTENTEDITABLE_IN_FIREFOX_3 && - goog.userAgent.GECKO && goog.userAgent.isVersion('1.9')), - - // Whether to use mutation event types to detect changes - // in the field contents. - USE_MUTATION_EVENTS: goog.userAgent.GECKO, - - // Whether the browser has a functional DOMSubtreeModified event. - // TODO(user): Enable for all FF3 once we're confident this event fires - // reliably. Currently it's only enabled if using contentEditable in FF as - // we have no other choice in that case but to use this event. - HAS_DOM_SUBTREE_MODIFIED_EVENT: goog.userAgent.WEBKIT || - (goog.editor.defines.USE_CONTENTEDITABLE_IN_FIREFOX_3 && - goog.userAgent.GECKO && goog.userAgent.isVersion('1.9')), - - // Whether nodes can be copied from one document to another - HAS_DOCUMENT_INDEPENDENT_NODES: goog.userAgent.GECKO, - - // Whether the cursor goes before or inside the first block element on - // focus, e.g., <body><p>foo</p></body>. FF will put the cursor before the - // paragraph on focus, which is wrong. - PUTS_CURSOR_BEFORE_FIRST_BLOCK_ELEMENT_ON_FOCUS: goog.userAgent.GECKO, - - // Whether the selection of one frame is cleared when another frame - // is focused. - CLEARS_SELECTION_WHEN_FOCUS_LEAVES: - goog.userAgent.IE || goog.userAgent.WEBKIT || goog.userAgent.OPERA, - - // Whether "unselectable" is supported as an element style. - HAS_UNSELECTABLE_STYLE: goog.userAgent.GECKO || goog.userAgent.WEBKIT, - - // Whether this browser's "FormatBlock" command does not suck. - FORMAT_BLOCK_WORKS_FOR_BLOCKQUOTES: goog.userAgent.GECKO || - goog.userAgent.WEBKIT || goog.userAgent.OPERA, - - // Whether this browser's "FormatBlock" command may create multiple - // blockquotes. - CREATES_MULTIPLE_BLOCKQUOTES: - (goog.userAgent.WEBKIT && !goog.userAgent.isVersion('534.16')) || - goog.userAgent.OPERA, - - // Whether this browser's "FormatBlock" command will wrap blockquotes - // inside of divs, instead of replacing divs with blockquotes. - WRAPS_BLOCKQUOTE_IN_DIVS: goog.userAgent.OPERA, - - // Whether the readystatechange event is more reliable than load. - PREFERS_READY_STATE_CHANGE_EVENT: goog.userAgent.IE, - - // Whether hitting the tab key will fire a keypress event. - // see http://www.quirksmode.org/js/keys.html - TAB_FIRES_KEYPRESS: !goog.userAgent.IE, - - // Has a standards mode quirk where width=100% doesn't do the right thing, - // but width=99% does. - // TODO(user|user): This should be fixable by less hacky means - NEEDS_99_WIDTH_IN_STANDARDS_MODE: goog.userAgent.IE, - - // Whether keyboard events only reliably fire on the document. - // On Gecko without contentEditable, keyboard events only fire reliably on the - // document element. With contentEditable, the field itself is focusable, - // which means that it will fire key events. - USE_DOCUMENT_FOR_KEY_EVENTS: goog.userAgent.GECKO && - !goog.editor.defines.USE_CONTENTEDITABLE_IN_FIREFOX_3, - - // Whether this browser shows non-standard attributes in innerHTML. - SHOWS_CUSTOM_ATTRS_IN_INNER_HTML: goog.userAgent.IE, - - // Whether this browser shrinks empty nodes away to nothing. - // (If so, we need to insert some space characters into nodes that - // shouldn't be collapsed) - COLLAPSES_EMPTY_NODES: - goog.userAgent.GECKO || goog.userAgent.WEBKIT || goog.userAgent.OPERA, - - // Whether we must convert <strong> and <em> tags to <b>, <i>. - CONVERT_TO_B_AND_I_TAGS: goog.userAgent.GECKO || goog.userAgent.OPERA, - - // Whether this browser likes to tab through images in contentEditable mode, - // and we like to disable this feature. - TABS_THROUGH_IMAGES: goog.userAgent.IE, - - // Whether this browser unescapes urls when you extract it from the href tag. - UNESCAPES_URLS_WITHOUT_ASKING: goog.userAgent.IE && - !goog.userAgent.isVersion('7.0'), - - // Whether this browser supports execCommand("styleWithCSS") to toggle between - // inserting html tags or inline styling for things like bold, italic, etc. - HAS_STYLE_WITH_CSS: - goog.userAgent.GECKO && goog.userAgent.isVersion('1.8') || - goog.userAgent.WEBKIT || goog.userAgent.OPERA, - - // Whether clicking on an editable link will take you to that site. - FOLLOWS_EDITABLE_LINKS: goog.userAgent.WEBKIT, - - // Whether this browser has document.activeElement available. - HAS_ACTIVE_ELEMENT: - goog.userAgent.IE || goog.userAgent.OPERA || - goog.userAgent.GECKO && goog.userAgent.isVersion('1.9'), - - // Whether this browser supports the setCapture method on DOM elements. - HAS_SET_CAPTURE: goog.userAgent.IE, - - // Whether this browser can't set background color when the selection - // is collapsed. - EATS_EMPTY_BACKGROUND_COLOR: goog.userAgent.GECKO || - goog.userAgent.WEBKIT && !goog.userAgent.isVersion('527'), - - // Whether this browser supports the "focusin" or "DOMFocusIn" event - // consistently. - // NOTE(nicksantos): FF supports DOMFocusIn, but doesn't seem to do so - // consistently. - SUPPORTS_FOCUSIN: goog.userAgent.IE || goog.userAgent.OPERA, - - // Whether clicking on an image will cause the selection to move to the image. - // Note: Gecko moves the selection, but it won't always go to the image. - // For example, if the image is wrapped in a div, and you click on the img, - // anchorNode = focusNode = div, anchorOffset = 0, focusOffset = 1, so this - // is another way of "selecting" the image, but there are too many special - // cases like this so we will do the work manually. - SELECTS_IMAGES_ON_CLICK: goog.userAgent.IE || goog.userAgent.OPERA, - - // Whether this browser moves <style> tags into new <head> elements. - MOVES_STYLE_TO_HEAD: goog.userAgent.WEBKIT, - - // Whether this browser collapses the selection in a contenteditable when the - // mouse is pressed in a non-editable portion of the same frame, even if - // Event.preventDefault is called. This field is deprecated and unused -- only - // old versions of Opera have this bug. - COLLAPSES_SELECTION_ONMOUSEDOWN: false, - - // Whether the user can actually create a selection in this browser with the - // caret in the MIDDLE of the selection by double-clicking. - CARET_INSIDE_SELECTION: goog.userAgent.OPERA, - - // Whether the browser focuses <body contenteditable> automatically when - // the user clicks on <html>. This field is deprecated and unused -- only old - // versions of Opera don't have this behavior. - FOCUSES_EDITABLE_BODY_ON_HTML_CLICK: true, - - // Whether to use keydown for key listening (uses keypress otherwise). Taken - // from goog.events.KeyHandler. - USES_KEYDOWN: goog.userAgent.IE || - goog.userAgent.WEBKIT && goog.userAgent.isVersion('525'), - - // Whether this browser converts spaces to non-breaking spaces when calling - // execCommand's RemoveFormat. - // See: https://bugs.webkit.org/show_bug.cgi?id=14062 - ADDS_NBSPS_IN_REMOVE_FORMAT: - goog.userAgent.WEBKIT && !goog.userAgent.isVersion('531'), - - // Whether the browser will get stuck inside a link. That is, if your cursor - // is after a link and you type, does your text go inside the link tag. - // Bug: http://bugs.webkit.org/show_bug.cgi?id=17697 - GETS_STUCK_IN_LINKS: - goog.userAgent.WEBKIT && !goog.userAgent.isVersion('528'), - - // Whether the browser corrupts empty text nodes in Node#normalize, - // removing them from the Document instead of merging them. - NORMALIZE_CORRUPTS_EMPTY_TEXT_NODES: goog.userAgent.GECKO && - goog.userAgent.isVersion('1.9') || goog.userAgent.IE || - goog.userAgent.OPERA || - goog.userAgent.WEBKIT && goog.userAgent.isVersion('531'), - - // Whether the browser corrupts all text nodes in Node#normalize, - // removing them from the Document instead of merging them. - NORMALIZE_CORRUPTS_ALL_TEXT_NODES: goog.userAgent.IE, - - // Browsers where executing subscript then superscript (or vv) will cause both - // to be applied in a nested fashion instead of the first being overwritten by - // the second. - NESTS_SUBSCRIPT_SUPERSCRIPT: goog.userAgent.IE || goog.userAgent.GECKO || - goog.userAgent.OPERA, - - // Whether this browser can place a cursor in an empty element natively. - CAN_SELECT_EMPTY_ELEMENT: !goog.userAgent.IE && !goog.userAgent.WEBKIT, - - FORGETS_FORMATTING_WHEN_LISTIFYING: goog.userAgent.GECKO || - goog.userAgent.WEBKIT && !goog.userAgent.isVersion('526'), - - LEAVES_P_WHEN_REMOVING_LISTS: goog.userAgent.IE || goog.userAgent.OPERA, - - CAN_LISTIFY_BR: !goog.userAgent.IE && !goog.userAgent.OPERA, - - // See bug 1286408. When somewhere inside your selection there is an element - // with a style attribute that sets the font size, if you change the font - // size, the browser creates a font tag, but the font size in the style attr - // overrides the font tag. Only webkit removes that font size from the style - // attr. - DOESNT_OVERRIDE_FONT_SIZE_IN_STYLE_ATTR: !goog.userAgent.WEBKIT, - - // Implements this spec about dragging files from the filesystem to the - // browser: http://www.whatwg/org/specs/web-apps/current-work/#dnd - SUPPORTS_HTML5_FILE_DRAGGING: (goog.userAgent.product.CHROME && - goog.userAgent.product.isVersion('4')) || - (goog.userAgent.product.SAFARI && goog.userAgent.isVersion('533')) || - (goog.userAgent.GECKO && goog.userAgent.isVersion('2.0')) || - (goog.userAgent.IE && goog.userAgent.isVersion('10')), - - // Version of Opera that supports the opera-defaultBlock execCommand to change - // the default block inserted when [return] is pressed. Note that this only is - // used if the caret is not already in a block that can be repeated. - // TODO(user): Link to public documentation of this feature if Opera puts - // something up about it. - SUPPORTS_OPERA_DEFAULTBLOCK_COMMAND: - goog.userAgent.OPERA && goog.userAgent.isVersion('11.10'), - - SUPPORTS_FILE_PASTING: goog.userAgent.product.CHROME && - goog.userAgent.product.isVersion('12') -}; |