BrowserInfo (vaadin-all 7.7.16 API)

java.lang.Object
- com.vaadin.client.BrowserInfo

```
public class BrowserInfo
extends Object
```
Class used to query information about web browser. Browser details are detected only once and those are stored in this singleton class.

Field Summary

Fields
Modifier and Type Field and Description

static String ENGINE_GECKO

static String ENGINE_PRESTO

static String ENGINE_TRIDENT

static String ENGINE_WEBKIT

Fields
Modifier and Type	Field and Description
`static String`	`ENGINE_GECKO`
`static String`	`ENGINE_PRESTO`
`static String`	`ENGINE_TRIDENT`
`static String`	`ENGINE_WEBKIT`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`static BrowserInfo`	`get()` Singleton method to get BrowserInfo object.
`int`	`getBrowserMajorVersion()` Returns the browser major version e.g., 3 for Firefox 3.5, 4 for Chrome 4, 8 for Internet Explorer 8.
`int`	`getBrowserMinorVersion()` Returns the browser minor version e.g., 5 for Firefox 3.5.
`static String`	`getBrowserString()`
`String`	`getCSSClass()` Returns a string representing the browser in use, for use in CSS classnames.
`float`	`getGeckoVersion()` Returns the Gecko version if the browser is Gecko based.
`float`	`getIEVersion()`
`float`	`getOperaVersion()`
`int`	`getScreenHeight()`
`int`	`getScreenWidth()`
`float`	`getWebkitVersion()` Returns the WebKit version if the browser is WebKit based.
`boolean`	`isAndroid()` Checks if the browser is run on Android
`boolean`	`isAndroid23()`
`boolean`	`isAndroidWithBrokenScrollTop()` Tests if this is an Android devices with a broken scrollTop implementation
`boolean`	`isBrowserVersionNewerOrEqual(int majorVersion, int minorVersion)` Checks if the browser version is newer or equal to the given major+minor version.
`boolean`	`isChrome()`
`boolean`	`isEdge()`
`boolean`	`isFirefox()`
`boolean`	`isGecko()`
`boolean`	`isIE()`
`boolean`	`isIE10()`
`boolean`	`isIE11()`
`boolean`	`isIE8()`
`boolean`	`isIE9()`
`boolean`	`isIOS()` Checks if the browser is run on iOS
`boolean`	`isIOS6()` Checks if the browser is run on iOS 6.
`boolean`	`isOpera()`
`boolean`	`isOpera10()`
`boolean`	`isOpera11()`
`boolean`	`isSafari()`
`boolean`	`isTouchDevice()`
`boolean`	`isWebkit()`
`boolean`	`requiresOverflowAutoFix()` Indicates whether the browser might require juggling to properly update sizes inside elements with overflow: auto.
`boolean`	`requiresPositionAbsoluteOverflowAutoFix()` Indicates whether the browser might require juggling to properly update sizes inside elements with overflow: auto when adjusting absolutely positioned elements.
`boolean`	`requiresTouchScrollDelegate()` Checks if the browser is capable of handling scrolling natively or if a touch scroll helper is needed for scrolling.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - ENGINE_GECKO
```
public static final String ENGINE_GECKO
```
    See Also:
    
    Constant Field Values
  - ENGINE_WEBKIT
```
public static final String ENGINE_WEBKIT
```
    See Also:
    
    Constant Field Values
  - ENGINE_PRESTO
```
public static final String ENGINE_PRESTO
```
    See Also:
    
    Constant Field Values
  - ENGINE_TRIDENT
```
public static final String ENGINE_TRIDENT
```
    See Also:
    
    Constant Field Values
- Method Detail
  - get
```
public static BrowserInfo get()
```
    Singleton method to get BrowserInfo object.
    
    Returns:
    
    instance of BrowserInfo object
  - getCSSClass
```
public String getCSSClass()
```
    Returns a string representing the browser in use, for use in CSS classnames. The classnames will be space separated abbreviations, optionally with a version appended. Abbreviations: Firefox: ff Internet Explorer: ie Safari: sa Opera: op Browsers that CSS-wise behave like each other will get the same abbreviation (this usually depends on the rendering engine). This is quite simple at the moment, more heuristics will be added when needed. Examples: Internet Explorer 6: ".v-ie .v-ie6 .v-ie60", Firefox 3.0.4: ".v-ff .v-ff3 .v-ff30", Opera 9.60: ".v-op .v-op9 .v-op960", Opera 10.10: ".v-op .v-op10 .v-op1010"
    
    Returns:
  - isIE
```
public boolean isIE()
```
  - isEdge
```
public boolean isEdge()
```
  - isFirefox
```
public boolean isFirefox()
```
  - isSafari
```
public boolean isSafari()
```
  - isIE8
```
public boolean isIE8()
```
  - isIE9
```
public boolean isIE9()
```
  - isIE10
```
public boolean isIE10()
```
  - isIE11
```
public boolean isIE11()
```
  - isChrome
```
public boolean isChrome()
```
  - isGecko
```
public boolean isGecko()
```
  - isWebkit
```
public boolean isWebkit()
```
  - getGeckoVersion
```
public float getGeckoVersion()
```
    Returns the Gecko version if the browser is Gecko based. The Gecko version for Firefox 2 is 1.8 and 1.9 for Firefox 3.
    
    Returns:
    
    The Gecko version or -1 if the browser is not Gecko based
  - getWebkitVersion
```
public float getWebkitVersion()
```
    Returns the WebKit version if the browser is WebKit based. The WebKit version returned is the major version e.g., 523.
    
    Returns:
    
    The WebKit version or -1 if the browser is not WebKit based
  - getIEVersion
```
public float getIEVersion()
```
  - getOperaVersion
```
public float getOperaVersion()
```
  - isOpera
```
public boolean isOpera()
```
  - isOpera10
```
public boolean isOpera10()
```
  - isOpera11
```
public boolean isOpera11()
```
  - getBrowserString
```
public static String getBrowserString()
```
  - getScreenWidth
```
public int getScreenWidth()
```
  - getScreenHeight
```
public int getScreenHeight()
```
  - isTouchDevice
```
public boolean isTouchDevice()
```
    Returns:
    
    true if the browser runs on a touch based device.
  - requiresOverflowAutoFix
```
public boolean requiresOverflowAutoFix()
```
    Indicates whether the browser might require juggling to properly update sizes inside elements with overflow: auto.
    
    Returns:
    
    true if the browser requires the workaround, otherwise false
  - requiresPositionAbsoluteOverflowAutoFix
```
public boolean requiresPositionAbsoluteOverflowAutoFix()
```
    Indicates whether the browser might require juggling to properly update sizes inside elements with overflow: auto when adjusting absolutely positioned elements.
    See https://bugs.webkit.org/show_bug.cgi?id=123958 and http://code.google.com/p/chromium/issues/detail?id=316549
    
    Returns:
    
    true if the browser requires the workaround, otherwise false
    
    Since:
    
    7.1.8
  - isIOS
```
public boolean isIOS()
```
    Checks if the browser is run on iOS
    
    Returns:
    
    true if the browser is run on iOS, false otherwise
  - isIOS6
```
public boolean isIOS6()
```
    Checks if the browser is run on iOS 6.
    
    Returns:
    
    true if the browser is run on iOS 6, false otherwise
    
    Since:
    
    7.1.1
  - isAndroid
```
public boolean isAndroid()
```
    Checks if the browser is run on Android
    
    Returns:
    
    true if the browser is run on Android, false otherwise
  - requiresTouchScrollDelegate
```
public boolean requiresTouchScrollDelegate()
```
    Checks if the browser is capable of handling scrolling natively or if a touch scroll helper is needed for scrolling.
    
    Returns:
    
    true if browser needs a touch scroll helper, false if the browser can handle scrolling natively
  - isAndroidWithBrokenScrollTop
```
public boolean isAndroidWithBrokenScrollTop()
```
    Tests if this is an Android devices with a broken scrollTop implementation
    
    Returns:
    
    true if scrollTop cannot be trusted on this device, false otherwise
  - isAndroid23
```
public boolean isAndroid23()
```
  - getBrowserMajorVersion
```
public int getBrowserMajorVersion()
```
    Returns the browser major version e.g., 3 for Firefox 3.5, 4 for Chrome 4, 8 for Internet Explorer 8.
    Note that Internet Explorer 8 and newer will return the document mode so IE8 rendering as IE7 will return 7.
    
    Returns:
    
    The major version of the browser.
  - getBrowserMinorVersion
```
public int getBrowserMinorVersion()
```
    Returns the browser minor version e.g., 5 for Firefox 3.5.
    
    Returns:
    
    The minor version of the browser, or -1 if not known/parsed.
    
    See Also:
    
    getBrowserMajorVersion()
  - isBrowserVersionNewerOrEqual
```
public boolean isBrowserVersionNewerOrEqual(int majorVersion,
                                            int minorVersion)
```
    Checks if the browser version is newer or equal to the given major+minor version.
    
    Parameters:
    
    majorVersion - The major version to check for
    
    minorVersion - The minor version to check for
    
    Returns:
    
    true if the browser version is newer or equal to the given version

Class BrowserInfo

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

ENGINE_GECKO

ENGINE_WEBKIT

ENGINE_PRESTO

ENGINE_TRIDENT

Method Detail

get

getCSSClass

isIE

isEdge

isFirefox

isSafari

isIE8

isIE9

isIE10

isIE11

isChrome

isGecko

isWebkit

getGeckoVersion

getWebkitVersion

getIEVersion

getOperaVersion

isOpera

isOpera10

isOpera11

getBrowserString

getScreenWidth

getScreenHeight

isTouchDevice

requiresOverflowAutoFix

requiresPositionAbsoluteOverflowAutoFix

isIOS

isIOS6

isAndroid

requiresTouchScrollDelegate

isAndroidWithBrokenScrollTop

isAndroid23

getBrowserMajorVersion

getBrowserMinorVersion

isBrowserVersionNewerOrEqual