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/*
* CPCompatibility.j
* AppKit
*
* Created by Francisco Tolmasky.
* Copyright 2008, 280 North, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@import "CPEvent.j"
@import "CPPlatform.j"
// Browser Engines
CPUnknownBrowserEngine = 0;
CPGeckoBrowserEngine = 1;
CPInternetExplorerBrowserEngine = 2;
CPKHTMLBrowserEngine = 3;
CPOperaBrowserEngine = 4;
CPWebKitBrowserEngine = 5;
// Operating Systems
CPMacOperatingSystem = 0;
CPWindowsOperatingSystem = 1;
CPOtherOperatingSystem = 2;
// Features
CPCSSRGBAFeature = 1 << 5;
CPHTMLCanvasFeature = 1 << 6;
CPHTMLContentEditableFeature = 1 << 7;
CPHTMLDragAndDropFeature = 1 << 8;
CPJavaScriptInnerTextFeature = 1 << 9;
CPJavaScriptTextContentFeature = 1 << 10;
CPJavaScriptClipboardEventsFeature = 1 << 11;
CPJavaScriptClipboardAccessFeature = 1 << 12;
CPJavaScriptCanvasDrawFeature = 1 << 13;
CPJavaScriptCanvasTransformFeature = 1 << 14;
CPVMLFeature = 1 << 15;
CPJavaScriptRemedialKeySupport = 1 << 16;
CPJavaScriptShadowFeature = 1 << 20;
CPJavaScriptNegativeMouseWheelValues = 1 << 22;
CPJavaScriptMouseWheelValues_8_15 = 1 << 23;
CPOpacityRequiresFilterFeature = 1 << 24;
//Internet explorer does not allow dynamically changing the type of an input element
CPInputTypeCanBeChangedFeature = 1 << 25;
CPHTML5DragAndDropSourceYOffBy1 = 1 << 26;
CPSOPDisabledFromFileURLs = 1 << 27;
// element.style.font can be set for an element not in the DOM.
CPInputSetFontOutsideOfDOM = 1 << 28;
// Input elements have 1 px of extra padding on the left regardless of padding setting.
CPInput1PxLeftPadding = 1 << 29;
CPInputOnInputEventFeature = 1 << 30;
// When an absolutely positioned div (CPView) with an absolutely positioned canvas in it (CPView with drawRect:) moves things on top of the canvas
// (subviews) don't redraw correctly. E.g. if you have a bunch of text fields in a CPBox in a sheet which animates in, some of the text fields might
// not be visible because the CPBox has a canvas at the bottom and the box moved form offscreen to onscreen.
// This bug is probably very related: https://bugs.webkit.org/show_bug.cgi?id=67203
CPCanvasParentDrawErrorsOnMovementBug = 1 << 0;
var USER_AGENT = "",
PLATFORM_ENGINE = CPUnknownBrowserEngine,
PLATFORM_FEATURES = 0,
PLATFORM_BUGS = 0;
// default these features to true
PLATFORM_FEATURES |= CPInputTypeCanBeChangedFeature;
PLATFORM_FEATURES |= CPInputSetFontOutsideOfDOM;
if (typeof window !== "undefined" && typeof window.navigator !== "undefined")
USER_AGENT = window.navigator.userAgent;
// Opera
if (typeof window !== "undefined" && window.opera)
{
PLATFORM_ENGINE = CPOperaBrowserEngine;
PLATFORM_FEATURES |= CPJavaScriptCanvasDrawFeature;
}
// Internet Explorer
else if (typeof window !== "undefined" && window.attachEvent) // Must follow Opera check.
{
PLATFORM_ENGINE = CPInternetExplorerBrowserEngine;
// Features we can only be sure of with IE (no known independent tests)
PLATFORM_FEATURES |= CPVMLFeature;
PLATFORM_FEATURES |= CPJavaScriptRemedialKeySupport;
PLATFORM_FEATURES |= CPJavaScriptShadowFeature;
PLATFORM_FEATURES |= CPOpacityRequiresFilterFeature;
PLATFORM_FEATURES &= ~CPInputTypeCanBeChangedFeature;
// Tested in Internet Explore 8 and 9.
PLATFORM_FEATURES &= ~CPInputSetFontOutsideOfDOM;
}
// WebKit
else if (USER_AGENT.indexOf("AppleWebKit/") != -1)
{
PLATFORM_ENGINE = CPWebKitBrowserEngine;
// Features we can only be sure of with WebKit (no known independent tests)
PLATFORM_FEATURES |= CPCSSRGBAFeature;
PLATFORM_FEATURES |= CPHTMLContentEditableFeature;
if (USER_AGENT.indexOf("Chrome") === -1)
PLATFORM_FEATURES |= CPHTMLDragAndDropFeature;
PLATFORM_FEATURES |= CPJavaScriptClipboardEventsFeature;
PLATFORM_FEATURES |= CPJavaScriptClipboardAccessFeature;
PLATFORM_FEATURES |= CPJavaScriptShadowFeature;
var versionStart = USER_AGENT.indexOf("AppleWebKit/") + "AppleWebKit/".length,
versionEnd = USER_AGENT.indexOf(" ", versionStart),
versionString = USER_AGENT.substring(versionStart, versionEnd),
versionDivision = versionString.indexOf('.'),
majorVersion = parseInt(versionString.substring(0, versionDivision)),
minorVersion = parseInt(versionString.substr(versionDivision + 1));
if ((USER_AGENT.indexOf("Safari") !== CPNotFound && (majorVersion > 525 || (majorVersion === 525 && minorVersion > 14))) || USER_AGENT.indexOf("Chrome") !== CPNotFound)
PLATFORM_FEATURES |= CPJavaScriptRemedialKeySupport;
// FIXME this is a terrible hack to get around this bug:
// https://bugs.webkit.org/show_bug.cgi?id=21548
if (![CPPlatform isBrowser])
PLATFORM_FEATURES |= CPJavaScriptRemedialKeySupport;
if (majorVersion < 532 || (majorVersion === 532 && minorVersion < 6))
PLATFORM_FEATURES |= CPHTML5DragAndDropSourceYOffBy1;
// This is supposedly fixed in webkit r123603. Seems to work in Chrome 21 but not Safari 6.0.
if (majorVersion < 537)
PLATFORM_FEATURES |= CPInput1PxLeftPadding;
if (USER_AGENT.indexOf("Chrome") === CPNotFound)
PLATFORM_FEATURES |= CPSOPDisabledFromFileURLs;
// Assume this bug was introduced around Safari 5.1/Chrome 16. This could probably be tighter.
if (majorVersion > 533)
PLATFORM_BUGS |= CPCanvasParentDrawErrorsOnMovementBug;
}
// KHTML
else if (USER_AGENT.indexOf("KHTML") != -1) // Must follow WebKit check.
{
PLATFORM_ENGINE = CPKHTMLBrowserEngine;
}
// Gecko
else if (USER_AGENT.indexOf("Gecko") !== -1) // Must follow KHTML check.
{
PLATFORM_ENGINE = CPGeckoBrowserEngine;
PLATFORM_FEATURES |= CPJavaScriptCanvasDrawFeature;
var index = USER_AGENT.indexOf("Firefox"),
version = (index === -1) ? 2.0 : parseFloat(USER_AGENT.substring(index + "Firefox".length + 1));
if (version >= 3.0)
PLATFORM_FEATURES |= CPCSSRGBAFeature;
if (version < 3.0)
PLATFORM_FEATURES |= CPJavaScriptMouseWheelValues_8_15;
// Some day this might be fixed and should be version prefixed. No known fixed version yet.
PLATFORM_FEATURES |= CPInput1PxLeftPadding;
}
// Feature Specific Checks
if (typeof document != "undefined")
{
var canvasElement = document.createElement("canvas");
// Detect Canvas Support
if (canvasElement && canvasElement.getContext)
{
PLATFORM_FEATURES |= CPHTMLCanvasFeature;
// Detect Canvas setTransform/transform support
var context = document.createElement("canvas").getContext("2d");
if (context && context.setTransform && context.transform)
PLATFORM_FEATURES |= CPJavaScriptCanvasTransformFeature;
}
var DOMElement = document.createElement("div");
// Detect whether we have innerText or textContent (or neither)
if (DOMElement.innerText != undefined)
PLATFORM_FEATURES |= CPJavaScriptInnerTextFeature;
else if (DOMElement.textContent != undefined)
PLATFORM_FEATURES |= CPJavaScriptTextContentFeature;
var DOMInputElement = document.createElement("input");
if ("oninput" in DOMInputElement)
PLATFORM_FEATURES |= CPInputOnInputEventFeature;
else if (typeof DOMInputElement.setAttribute === "function")
{
DOMInputElement.setAttribute("oninput", "return;");
if (typeof DOMInputElement.oninput === "function")
PLATFORM_FEATURES |= CPInputOnInputEventFeature;
}
}
function CPFeatureIsCompatible(aFeature)
{
return PLATFORM_FEATURES & aFeature;
}
function CPPlatformHasBug(aBug)
{
return PLATFORM_BUGS & aBug;
}
function CPBrowserIsEngine(anEngine)
{
return PLATFORM_ENGINE === anEngine;
}
function CPBrowserIsOperatingSystem(anOperatingSystem)
{
return OPERATING_SYSTEM === anOperatingSystem;
}
OPERATING_SYSTEM = CPOtherOperatingSystem;
if (USER_AGENT.indexOf("Mac") !== -1)
{
OPERATING_SYSTEM = CPMacOperatingSystem;
CPPlatformActionKeyMask = CPCommandKeyMask;
CPUndoKeyEquivalent = @"z";
CPRedoKeyEquivalent = @"Z";
CPUndoKeyEquivalentModifierMask = CPCommandKeyMask;
CPRedoKeyEquivalentModifierMask = CPCommandKeyMask;
}
else
{
if (USER_AGENT.indexOf("Windows") !== -1)
OPERATING_SYSTEM = CPWindowsOperatingSystem;
CPPlatformActionKeyMask = CPControlKeyMask;
CPUndoKeyEquivalent = @"z";
CPRedoKeyEquivalent = @"y";
CPUndoKeyEquivalentModifierMask = CPControlKeyMask;
CPRedoKeyEquivalentModifierMask = CPControlKeyMask;
}
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