From f9cab004186edb425a9b88ad649726605080a17c Mon Sep 17 00:00:00 2001 From: Thomas Groman Date: Mon, 20 Apr 2020 20:49:37 -0700 Subject: move browser to webbrowser/ --- webbrowser/components/abouthome/aboutHome.js | 227 +++++++++++++++++++++++++++ 1 file changed, 227 insertions(+) create mode 100644 webbrowser/components/abouthome/aboutHome.js (limited to 'webbrowser/components/abouthome/aboutHome.js') diff --git a/webbrowser/components/abouthome/aboutHome.js b/webbrowser/components/abouthome/aboutHome.js new file mode 100644 index 0000000..6ff8eee --- /dev/null +++ b/webbrowser/components/abouthome/aboutHome.js @@ -0,0 +1,227 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +const SEARCH_ENGINES = { + "DuckDuckGo": { + image: "data:image/png;base64," + + "iVBORw0KGgoAAAANSUhEUgAAAIwAAAA4CAYAAAAvmxBdAAAVhUlEQVR4Xu3dd5SU1d3A8e/vPs/0" + + "2crussBSdkHEAgoomEQSUTAW3hRbfMUeUwgSj9FoorGXqDGxBHvMazRGE0KsBQuiEVRUEEEM0pfO" + + "1tndmZ32PPf3knDCUZAlIYsxOfM553f2v91/vnufOzP33BFV5TOnQFQ1snFN/YCVb88Z6S2dd1B8" + + "3Qf7lTSv6R9PNle4uXQEVNRxvUy4qL29pPeGRNXA5d6g4fOLhoyYN2C/oe8Vl5QmAoFAnm72GQqm" + + "oKO9vXj5e/NHtr48/fjq92eOq2xYOsixvuMpKFuhfJywjQMYI5oKF7evrR09t/LE7z3Ze9TYZyPx" + + "+FpjjPdfEkxBY0ND9ftP//7EkpceOLNm/cJh+J6rylYWcIwSiCHhuEo4ggRdMCLq+UomK5pJq2Y7" + + "BD8HqoIAAmKhPdKjuX7EMc9WnfCde/YZOfot13Xz/6HBFKi1pdmlCya23Dz5PPeDN/eygCqAqIn3" + + "ULduiAb2Ha3BfUYgJeUgBhxHRAwgoupbfF/wPcXL461bRX7xm5Jb8q7Yhno0lzUYMIANx9Lh0y99" + + "svjEc292YkXzAfufE0yBse0tX+qY+uNrOp/+9SGo5yggTlADQw72I4efQGDf4Wg6RW7xO5Jf8g7+" + + 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}); + fitToWidth(); + window.addEventListener("resize", fitToWidth); +}); + +window.addEventListener("pagehide", function() { + window.gObserver.disconnect(); + window.removeEventListener("resize", fitToWidth); +}); + +function onSearchSubmit(aEvent) +{ + let searchTerms = document.getElementById("searchText").value; + let searchURL = document.documentElement.getAttribute("searchEngineURL"); + + if (searchURL && searchTerms.length > 0) { + // Send an event that a search was performed. This was originally + // added so Firefox Health Report could record that a search from + // about:home had occurred. + let engineName = document.documentElement.getAttribute("searchEngineName"); + let event = new CustomEvent("AboutHomeSearchEvent", {detail: engineName}); + document.dispatchEvent(event); + + const SEARCH_TOKEN = "_searchTerms_"; + let searchPostData = document.documentElement.getAttribute("searchEnginePostData"); + if (searchPostData) { + // Check if a post form already exists. If so, remove it. + const POST_FORM_NAME = "searchFormPost"; + let form = document.forms[POST_FORM_NAME]; + if (form) { + form.parentNode.removeChild(form); + } + + // Create a new post form. + form = document.body.appendChild(document.createElement("form")); + form.setAttribute("name", POST_FORM_NAME); + // Set the URL to submit the form to. + form.setAttribute("action", searchURL.replace(SEARCH_TOKEN, searchTerms)); + form.setAttribute("method", "post"); + + // Create new elements for search param. + searchPostData = searchPostData.split("&"); + for (let postVar of searchPostData) { + let [name, value] = postVar.split("="); + if (value == SEARCH_TOKEN) { + value = searchTerms; + } + let input = document.createElement("input"); + input.setAttribute("type", "hidden"); + input.setAttribute("name", name); + input.setAttribute("value", value); + form.appendChild(input); + } + // Submit the form. + form.submit(); + } else { + searchURL = searchURL.replace(SEARCH_TOKEN, encodeURIComponent(searchTerms)); + window.location.href = searchURL; + } + } + + aEvent.preventDefault(); +} + + +function setupSearchEngine() +{ + // The "autofocus" attribute doesn't focus the form element + // immediately when the element is first drawn, so the + // attribute is also used for styling when the page first loads. + let searchText = document.getElementById("searchText"); + searchText.addEventListener("blur", function searchText_onBlur() { + searchText.removeEventListener("blur", searchText_onBlur); + searchText.removeAttribute("autofocus"); + }); + + let searchEngineName = document.documentElement.getAttribute("searchEngineName"); + let searchEngineInfo = SEARCH_ENGINES[searchEngineName]; + let logoElt = document.getElementById("searchEngineLogo"); + + // Add search engine logo. + if (searchEngineInfo && searchEngineInfo.image) { + logoElt.parentNode.hidden = false; + logoElt.src = searchEngineInfo.image; + logoElt.alt = searchEngineName; + searchText.placeholder = ""; + } + else { + logoElt.parentNode.hidden = true; + searchText.placeholder = searchEngineName; + } + +} + +function fitToWidth() { + if (window.scrollMaxX) { + document.body.setAttribute("narrow", "true"); + } else if (document.body.hasAttribute("narrow")) { + document.body.removeAttribute("narrow"); + fitToWidth(); + } +} -- cgit v1.2.3