Add m-esr52 at 52.6.0

1 files changed, 103 insertions, 0 deletions

diff --git a/browser/components/newtab/NewTabSearchProvider.jsm b/browser/components/newtab/NewTabSearchProvider.jsm
new file mode 100644
index 000000000..a50d8c706
--- /dev/null
+++ b/browser/components/newtab/NewTabSearchProvider.jsm
@@ -0,0 +1,103 @@
+/* global XPCOMUtils, ContentSearch, Task, Services, EventEmitter */
+/* exported NewTabSearchProvider */
+
+"use strict";
+
+this.EXPORTED_SYMBOLS = ["NewTabSearchProvider"];
+
+const {utils: Cu, interfaces: Ci} = Components;
+const CURRENT_ENGINE = "browser-search-engine-modified";
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Task.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+
+XPCOMUtils.defineLazyModuleGetter(this, "ContentSearch",
+                                  "resource:///modules/ContentSearch.jsm");
+
+XPCOMUtils.defineLazyGetter(this, "EventEmitter", function() {
+  const {EventEmitter} = Cu.import("resource://devtools/shared/event-emitter.js", {});
+  return EventEmitter;
+});
+
+function SearchProvider() {
+  EventEmitter.decorate(this);
+}
+
+SearchProvider.prototype = {
+
+  observe(subject, topic, data) { // jshint unused:false
+    // all other topics are not relevant to content searches and can be
+    // ignored by NewTabSearchProvider
+    if (data === "engine-current" && topic === CURRENT_ENGINE) {
+      Task.spawn(function* () {
+        try {
+          let state = yield ContentSearch.currentStateObj(true);
+          let engine = state.currentEngine;
+          this.emit(CURRENT_ENGINE, engine);
+        } catch (e) {
+          Cu.reportError(e);
+        }
+      }.bind(this));
+    }
+  },
+
+  init() {
+    try {
+      Services.obs.addObserver(this, CURRENT_ENGINE, true);
+    } catch (e) {
+      Cu.reportError(e);
+    }
+  },
+
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,
+    Ci.nsISupportsWeakReference
+  ]),
+
+  uninit() {
+    try {
+      Services.obs.removeObserver(this, CURRENT_ENGINE, true);
+    } catch (e) {
+      Cu.reportError(e);
+    }
+  },
+
+  get searchSuggestionUIStrings() {
+    return ContentSearch.searchSuggestionUIStrings;
+  },
+
+  removeFormHistory({browser}, suggestion) {
+    ContentSearch.removeFormHistoryEntry({target: browser}, suggestion);
+  },
+
+  manageEngines(browser) {
+    const browserWin = browser.ownerGlobal;
+    browserWin.openPreferences("paneSearch");
+  },
+
+  asyncGetState: Task.async(function*() {
+    let state = yield ContentSearch.currentStateObj(true);
+    return state;
+  }),
+
+  asyncPerformSearch: Task.async(function*({browser}, searchData) {
+    ContentSearch.performSearch({target: browser}, searchData);
+    yield ContentSearch.addFormHistoryEntry({target: browser}, searchData.searchString);
+  }),
+
+  asyncCycleEngine: Task.async(function*(engineName) {
+    Services.search.currentEngine = Services.search.getEngineByName(engineName);
+    let state = yield ContentSearch.currentStateObj(true);
+    let newEngine = state.currentEngine;
+    this.emit(CURRENT_ENGINE, newEngine);
+  }),
+
+  asyncGetSuggestions: Task.async(function*(engineName, searchString, target) {
+    let suggestions = ContentSearch.getSuggestions(engineName, searchString, target.browser);
+    return suggestions;
+  }),
+};
+
+const NewTabSearchProvider = {
+  search: new SearchProvider(),
+};