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How To Create Chrome Extensions
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namu
December 20, 2013
Technology
3
2.3k
How To Create Chrome Extensions
How To Create Chrome Extensions
M3 Tech Talk #16 2013/12/20 #m3dev
namu
December 20, 2013
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Transcript
Chrome֦ுͷ࡞Γํ 2013/12/19 M3 Tech Talk #16 தଜوࢤ
Chrome Extensions ChromeΛ֦ு͢Δิॿπʔϧ HTMLͱJavaScriptͰ࡞͢Δ ! ެࣜαΠτΛࢀߟʹ ʮGetting Started tutorialʯͱ ʮRead
the Overviewʯʹ Λ௨͢ͱ͍͍ 20128݄͝Ζʹmanifest V2ʹͳͬ ͨͷͰωοτهࣄ ݹ͍߹͋Δ http://developer.chrome.com/ extensions/
Կ͕Ͱ͖Δ͔ ϒϥβʢJavaScriptʣͱͯ͠Ͱ͖Δ͜ͱͳΒେମͰ͖Δ JavaScriptCSSͰݟͨΛม͑Δ XHttpRequestͰ௨৴͕Ͱ͖Δ ීஈͷϒϥδϯάͱಉ͡CookieΛ͏ ΞϓϦઐ༻αʔό͔Βใऔಘʗอଘ ChromeͷػೳΛ͏ λϒ/Πϯυૢ࡞ɺϒοΫϚʔΫૢ࡞ɺσεΫτοϓ௨ bookmarksɺhistoryɺnewtabΛಠࣗϖʔδʹมߋ
࡞Γํ
browser action contents script popup background page page action option
page ओͳػೳͷ໊শ
֓ཁ manifest.jsonʹ֦ுͷΞϓϦઃఆΛఆٛ͢Δ ΞϓϦ໊ɺΞΠίϯɺόʔδϣϯɺݖݶఆٛͳͲΛهࡌ͢Δ ֤ػೳʹରԠ͚ͮΔϑΝΠϧΛఆٛ͢Δ ԼهͷURLͰ<֦ுݻ༗ID>͕υϝΠϯͱͳΔWebΞϓϦͩͱࢥ͍͍͑ chrome-extension://<֦ுݻ༗ID>/ʙ.html JQueryɺAngular.jsͳͲ֤छJSϥΠϒϥϦ͕͑Δ ཪଆͰ։͔ΕΔbackgroundϖʔδͰϝΠϯॲཧΛߦ͏ persistentύϥϝʔλʹैͬͯ̎ͭͷಈ࡞Ϟʔυ͕͋Δ ΞϓϦͷઃఆΛߦ͏ը໘Λoptionϖʔδͱͯ͠࡞͢Δ
manifest.json ΞϓϦͷઃఆΛهड़͢Δ ΞϓϦ໊ɺόʔδϣϯɺ֓ཁɺ ΞΠίϯ backgroundͰ͏ϑΝΠϧ optionͰ͏ϑΝΠϧ ݖݶ(permissions) ͏ػೳɺΞΫηε͢ΔURL browser_actionઃఆ contents
scriptઃఆ etc... { "name": "My Extension", "version": "2.1", "description": "my extension.", "icons": { "128": "icon_128.png" }, ! "background": { "persistent": false, "scripts": [ "background.js", "jquery.js" ] }, ! "option_page" : "option.html", ! "permissions": ["tabs"] }
backgroundϖʔδ ΠϕϯτۦಈϞʔυʢEvent Pagesʣ ઃఆͨ͠ΠϕϯτͷൃՐ࣌ʹىಈʢϖʔδ͕։͔ΕΔʣ Ұఆ࣌ؒͰϓϩηε͕ऴΘΔ (ϖʔδ͕ด͡ΒΕΔ) ม͕ফ͑ΔͷͰదٓlocalStorageʹอଘ PCϦιʔεͷઅͷͨΊجຊతʹΠϕϯτۦಈϞʔυΛ͏ ! ৗறϞʔυʢBackground
Pagesʣ ৗʹϓϩηε͕ੜ͖͍ͯΔ
Πϕϯτ xxx.addListenerͰίʔϧόοΫΛઃఆ APIʹͯΠϕϯτΛઃఆ ΠϕϯτൃՐ࣌ͷྲྀΕ 1. background.jsΛಡΈࠐΉ 2. ಡΈࠐΉͳ͔ͰaddListnerΛઃఆ 3. addListnerͰઃఆ͞ΕͨfunctionΛ࣮ߦ
࣮࣌ͷϙΠϯτ addListnerBGϖʔδ͕ด͡Δͱফ͑Δ ઃఆ͞ΕͨΠϕϯτ ΞϯΠϯετʔϧ·ͰΔͬΆ͍ /* background.js */ ! // ΞϓϦΠϯεʔϧ࣌ chrome.runtime.onInstalled .addListener(onInit); ! // ΞϥʔϜىಈ࣌ chrome.alarms.onAlarm .addListener(onAlarm); ! function onInit() { // 5ִؒͰΞϥʔϜηοτ chrome.alarms.create( 'alerm', {periodInMinutes: 5}); save({hoge: 100}); } ! function onAlarm(alerm) { console.log(alerm, load().hoge); }
σʔλͷอଘ localStorageʹอଘ͢Δ Ωʔ(จࣈྻ)ͱ(จࣈྻ)ͷରͰ σʔλΛอଘ͢Δ ֦ு͝ͱʹݸผͷอଘྖҬʹͳ͍ͬͯΔ optionɺpopupɺbackgroundͳͲͰڞ༗Ͱ͖Δ JSONจࣈྻʹͯ͠อଘ͢Δ ͍ํ͕جຊ backgroundoptionͳͲͰڞ௨ͯ͠ΞΫηε͢Δ ͷͰಡΈॻ͖ϝιουΛڞ༗ιʔεʹ
هࡌ͢Δ ! function save(opts) { localStorage.options = JSON.stringify(opts); } ! function load() { return JSON.parse( localStorage.options); } ! save({ hoge: 10, fuga: 20)); ! opts = load(); console.log( opts.hoge );
࣮ߦํ๏
࣮ߦํ๏ 1. σϕϩούʔϞʔυΛON 2. ֦ுͷσΟϨΫτϦΛબ 3. backgroundϖʔδͷDevToolΛ։͘
Chrome ΣϒετΞͰެ։
ChromeΣϒετΞͰެ։ https://chrome.google.com/webstore/ developer/dashboard
ChromeΣϒετΞ GoogleͷΞΧϯτ͕͋Εར༻Ͱ͖Δ ॳճʹखྉͱͯ͠US$5.00ͷࢧ͍͕ඞཁ 1ΞΧϯτͰ20ݸ·ͰΞϓϦΛެ։Ͱ͖Δ ΞϓϦ͝ͱʹɺετΞͰͷݕࡧՄ/ෆՄΛઃఆͰ͖Δ ʢURLΛ͍ͬͯΔਓͷΈʹެ։Λ͢Δʣ
࠷ݶ༻ҙ͢Δͷ ΞϓϦΛѹॖͨ͠ZIPϑΝΠϧ manifestͷnameɺdescriptionɺversion͕ετΞͰΘΕΔ versionɺΞϓϦΛߋ৽͢Δͱ͖ʹඞ͕ͣ૿͍͑ͯΔ͜ͱ͕ٻΊΒΕΔ 128x128ͷΞΠίϯ ਤܗʹؔͯ͠نఆ͕͋Δ ਤܗΛ96x96ͷେ͖͞ʹऩΊͯɺճΓ16pxಁ໌ʹ͢Δ ͳͲ ϓϩϞʔγϣϯը૾(εΫϦʔϯγϣοτ) ̍ຕ
1280x800 ·ͨ 640x400 ! ҙ: نఆඞཁͳͷ࣌ʑมΘΓɺϝʔϧͰमਖ਼ࢦ͕ࣔಧ͘
͓·͚
ΞϓϦͷ͓͢͢ΊϑΝΠϧߏ ࣮ࡍͷΞϓϦͷσΟϨΫτϦΛ ̍ஈਂ͓ͯ͘͘͠ binʹެ։༻ZIPΛอଘ resʹ֤छը૾ϑΝΠϧͷฤू༻ૉࡐΛ อଘ iconϑΝΠϧ໊ͰαΠζ͕͔ΔΑ ͏ʹ͢Δ optionͱbackgroundͰڞ༗͢Δ
ॲཧΛcommon.jsʹ࣮ my-extension/ icon48.png | icon128.png manifest.json common.js background.js option.js | option.html jquery.js | angular.js | backbone.js etc... ! bin/ my-extension.zip ! res/ icon.psd promotion_images.psd
Developer's Guide http://developer.chrome.com/extensions/devguide.html Browser UI Browser Actions Context Menus Desktop
Notifications Omnibox Options Pages Override Pages Page Actions Browser Interaction Bookmarks Cookies Extending DevTools Events History Management Tabs Windows Implementation Accessibility Event Pages Content Security Policy Content Scripts Cross-Origin XHR Internationalization Message Passing Optional Permissions NPAPI Plugins Finishing Hosting Other Deployment Options
“࣭ΛͲ͏ͧ”