Английская Википедия:Blink (browser engine)
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Blink is a browser engine developed as part of the Chromium project with contributions from Apple, Google, Meta, Microsoft, Opera Software, Vivaldi Technologies, Adobe, Intel, IBM, Samsung, and others.[1][2][3] It was first announced in April 2013.[4]
Naming
Blink's naming was influenced by a combination of two major factors: the connotations of speed, and a reference to the non-standard presentational blink HTML element,[5][6] which was introduced by Netscape Navigator and supported by Presto- and Gecko-based browsers until August 2013.[7] Blink has, contrary to its name, never functionally supported the element.
History
Blink is a fork of the WebCore component of WebKit,[8] which was originally a fork of the KHTML and KJS libraries from KDE.[9][10] It is used in Chrome starting at version 28,[11][12] Microsoft Edge starting at version 79,[13] Opera (15+),[11] Vivaldi, Brave, Amazon Silk and other Chromium-based browsers and frameworks.Шаблон:Citation needed
Much of WebCore's code was used for features that Google Chrome implemented differently such as sandboxing and the multi-process model. These parts were altered for the Blink fork, and although slightly bulkier, it allowed greater flexibility for adding new features. The fork also deprecates CSS vendor prefixes; existing prefixes will be phased out and new experimental functionality will instead be enabled on an opt-in basis.[14] Aside from these planned changes, Blink initially remained relatively similar to WebCore.[12]
By commit count, Google was the largest contributor to the WebKit code base from late 2009 until 2013 when they started work on their fork, Blink.[15]
Internals
Blink engine has the following components:[16]
- DOM, HTML DOM and CSS rendering engines
- Web IDL implementation
- Skia Graphics engine — makes calls to an underlying Graphics Library (like OpenGL, Vulkan, DirectX etc) which depends on the platform
- V8 JavaScript engine
Public API
Blink exposes a public API that allows browsers such as Chromium to interact with Blink while remaining insulated from internal changes to the browser engine.[17]
Frameworks
Several projects exist to turn Chromium's Blink into a reusable software framework for other developers:
- In currently supported versions of the Android operating system (since version 4.4), the WebView component is based on Blink instead of WebKit.[18]
- Chromium Embedded Framework is widely used in software by Adobe Systems,[19][20][21] streaming media services such as Spotify,[22] video game services such as Battle.net and Steam,[23] etc.[24]
- NW.js (previously known as Node-Webkit) is the original Node.js based framework and is being developed by Intel.
- Electron is a Node.js based framework developed by GitHub.
- In the Qt 5 framework, the Qt WebEngine module supersedes the previous QtWebKit module.[24][25] In 2013, Qt WebEngine replaced the Apple-developed WebKit engine with Blink because of its cross-platform features (like WebRTC, WebGL, WebSockets, system calls, etc.) that work out of the box.[26][27] Qt developers found it easier to maintain and test it.[26]
- Microsoft Edge WebView2 is a framework that allows developers of Windows apps to implement a desktop app using web technologies, replacing the older WebView EdgeHTML based or WebBrowser MSHTML based controls.
- DotNetBrowser is a proprietary .NET Chromium-based library that can be used to use Chromium capabilities in a wide range of .NET applications, including desktop and server solutions.[28]Шаблон:Better source needed
Platforms
Chromium Blink is implemented on seven platforms: Windows, macOS, Linux, ChromeOS, Fuchsia, Android, and Android WebView.
Blink is also unofficially supported on FreeBSD[29] and OpenBSD.[30]
iOS versions of Chromium continue to use the WebKit WebCore renderer.[31]
See also
References
External links
Шаблон:Web browser engines Шаблон:Web browsers Шаблон:Google LLC Шаблон:OperaBrowser
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