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Diffstat (limited to '')
-rw-r--r-- | browser/components/newtab/lib/NewTabInit.sys.mjs | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/browser/components/newtab/lib/NewTabInit.sys.mjs b/browser/components/newtab/lib/NewTabInit.sys.mjs new file mode 100644 index 0000000000..db30e009ec --- /dev/null +++ b/browser/components/newtab/lib/NewTabInit.sys.mjs @@ -0,0 +1,55 @@ +/* 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/. */ + +import { + actionCreators as ac, + actionTypes as at, +} from "resource://activity-stream/common/Actions.sys.mjs"; + +/** + * NewTabInit - A placeholder for now. This will send a copy of the state to all + * newly opened tabs. + */ +export class NewTabInit { + constructor() { + this._repliedEarlyTabs = new Map(); + } + + reply(target) { + // Skip this reply if we already replied to an early tab + if (this._repliedEarlyTabs.get(target)) { + return; + } + + const action = { + type: at.NEW_TAB_INITIAL_STATE, + data: this.store.getState(), + }; + this.store.dispatch(ac.AlsoToOneContent(action, target)); + + // Remember that this early tab has already gotten a rehydration response in + // case it thought we lost its initial REQUEST and asked again + if (this._repliedEarlyTabs.has(target)) { + this._repliedEarlyTabs.set(target, true); + } + } + + onAction(action) { + switch (action.type) { + case at.NEW_TAB_STATE_REQUEST: + this.reply(action.meta.fromTarget); + break; + case at.NEW_TAB_INIT: + // Initialize data for early tabs that might REQUEST twice + if (action.data.simulated) { + this._repliedEarlyTabs.set(action.data.portID, false); + } + break; + case at.NEW_TAB_UNLOAD: + // Clean up for any tab (no-op if not an early tab) + this._repliedEarlyTabs.delete(action.meta.fromTarget); + break; + } + } +} |