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/**

Doxygen Awesome
https://github.com/jothepro/doxygen-awesome-css

MIT License

Copyright (c) 2022 jothepro

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

*/

class DoxygenAwesomeFragmentCopyButton extends HTMLElement {
    constructor() {
        super();
        this.onclick=this.copyContent
    }
    static title = "Copy to clipboard"
    static copyIcon = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path d="M0 0h24v24H0V0z" fill="none"/><path d="M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z"/></svg>`
    static successIcon = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path d="M0 0h24v24H0V0z" fill="none"/><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z"/></svg>`
    static successDuration = 980
    static init() {
        $(function() {
            $(document).ready(function() {
                if(navigator.clipboard) {
                    const fragments = document.getElementsByClassName("fragment")
                    for(const fragment of fragments) {
                        const fragmentWrapper = document.createElement("div")
                        fragmentWrapper.className = "doxygen-awesome-fragment-wrapper"
                        const fragmentCopyButton = document.createElement("doxygen-awesome-fragment-copy-button")
                        fragmentCopyButton.innerHTML = DoxygenAwesomeFragmentCopyButton.copyIcon
                        fragmentCopyButton.title = DoxygenAwesomeFragmentCopyButton.title
                
                        fragment.parentNode.replaceChild(fragmentWrapper, fragment)
                        fragmentWrapper.appendChild(fragment)
                        fragmentWrapper.appendChild(fragmentCopyButton)
            
                    }
                }
            })
        })
    }


    copyContent() {
        const content = this.previousSibling.cloneNode(true)
        // filter out line number from file listings
        content.querySelectorAll(".lineno, .ttc").forEach((node) => {
            node.remove()
        })
        let textContent = content.textContent
        // remove trailing newlines that appear in file listings
        let numberOfTrailingNewlines = 0
        while(textContent.charAt(textContent.length - (numberOfTrailingNewlines + 1)) == '\n') {
            numberOfTrailingNewlines++;
        }
        textContent = textContent.substring(0, textContent.length - numberOfTrailingNewlines)
        navigator.clipboard.writeText(textContent);
        this.classList.add("success")
        this.innerHTML = DoxygenAwesomeFragmentCopyButton.successIcon
        window.setTimeout(() => {
            this.classList.remove("success")
            this.innerHTML = DoxygenAwesomeFragmentCopyButton.copyIcon
        }, DoxygenAwesomeFragmentCopyButton.successDuration);
    }
}

customElements.define("doxygen-awesome-fragment-copy-button", DoxygenAwesomeFragmentCopyButton)