gecko-dev/browser/components/extensions/ext-omnibox.js

105 строки
3.5 KiB
JavaScript

/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set sts=2 sw=2 et tw=80: */
"use strict";
Cu.import("resource://gre/modules/ExtensionUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "ExtensionSearchHandler",
"resource://gre/modules/ExtensionSearchHandler.jsm");
var {
SingletonEventManager,
} = ExtensionUtils;
// WeakMap[extension -> keyword]
let gKeywordMap = new WeakMap();
/* eslint-disable mozilla/balanced-listeners */
extensions.on("manifest_omnibox", (type, directive, extension, manifest) => {
let keyword = manifest.omnibox.keyword;
try {
// This will throw if the keyword is already registered.
ExtensionSearchHandler.registerKeyword(keyword, extension);
gKeywordMap.set(extension, keyword);
} catch (e) {
extension.manifestError(e.message);
}
});
extensions.on("shutdown", (type, extension) => {
let keyword = gKeywordMap.get(extension);
if (keyword) {
ExtensionSearchHandler.unregisterKeyword(keyword);
gKeywordMap.delete(extension);
}
});
/* eslint-enable mozilla/balanced-listeners */
extensions.registerSchemaAPI("omnibox", "addon_parent", context => {
let {extension} = context;
return {
omnibox: {
setDefaultSuggestion(suggestion) {
let keyword = gKeywordMap.get(extension);
try {
// This will throw if the keyword failed to register.
ExtensionSearchHandler.setDefaultSuggestion(keyword, suggestion);
} catch (e) {
return Promise.reject(e.message);
}
},
onInputStarted: new SingletonEventManager(context, "omnibox.onInputStarted", fire => {
let listener = (eventName) => {
fire.sync();
};
extension.on(ExtensionSearchHandler.MSG_INPUT_STARTED, listener);
return () => {
extension.off(ExtensionSearchHandler.MSG_INPUT_STARTED, listener);
};
}).api(),
onInputCancelled: new SingletonEventManager(context, "omnibox.onInputCancelled", fire => {
let listener = (eventName) => {
fire.sync();
};
extension.on(ExtensionSearchHandler.MSG_INPUT_CANCELLED, listener);
return () => {
extension.off(ExtensionSearchHandler.MSG_INPUT_CANCELLED, listener);
};
}).api(),
onInputEntered: new SingletonEventManager(context, "omnibox.onInputEntered", fire => {
let listener = (eventName, text, disposition) => {
fire.sync(text, disposition);
};
extension.on(ExtensionSearchHandler.MSG_INPUT_ENTERED, listener);
return () => {
extension.off(ExtensionSearchHandler.MSG_INPUT_ENTERED, listener);
};
}).api(),
},
omnibox_internal: {
addSuggestions(id, suggestions) {
let keyword = gKeywordMap.get(extension);
try {
ExtensionSearchHandler.addSuggestions(keyword, id, suggestions);
} catch (e) {
// Silently fail because the extension developer can not know for sure if the user
// has already invalidated the callback when asynchronously providing suggestions.
}
},
onInputChanged: new SingletonEventManager(context, "omnibox_internal.onInputChanged", fire => {
let listener = (eventName, text, id) => {
fire.sync(text, id);
};
extension.on(ExtensionSearchHandler.MSG_INPUT_CHANGED, listener);
return () => {
extension.off(ExtensionSearchHandler.MSG_INPUT_CHANGED, listener);
};
}).api(),
},
};
});