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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /browser/components/sessionstore/GlobalState.sys.mjs | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'browser/components/sessionstore/GlobalState.sys.mjs')
-rw-r--r-- | browser/components/sessionstore/GlobalState.sys.mjs | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/browser/components/sessionstore/GlobalState.sys.mjs b/browser/components/sessionstore/GlobalState.sys.mjs new file mode 100644 index 0000000000..a49fe4650d --- /dev/null +++ b/browser/components/sessionstore/GlobalState.sys.mjs @@ -0,0 +1,88 @@ +/* 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 EXPORTED_METHODS = [ + "getState", + "clear", + "get", + "set", + "delete", + "setFromState", +]; + +/** + * Module that contains global session data. + */ +export function GlobalState() { + let internal = new GlobalStateInternal(); + let external = {}; + for (let method of EXPORTED_METHODS) { + external[method] = internal[method].bind(internal); + } + return Object.freeze(external); +} + +function GlobalStateInternal() { + // Storage for global state. + this.state = {}; +} + +GlobalStateInternal.prototype = { + /** + * Get all value from the global state. + */ + getState() { + return this.state; + }, + + /** + * Clear all currently stored global state. + */ + clear() { + this.state = {}; + }, + + /** + * Retrieve a value from the global state. + * + * @param aKey + * A key the value is stored under. + * @return The value stored at aKey, or an empty string if no value is set. + */ + get(aKey) { + return this.state[aKey] || ""; + }, + + /** + * Set a global value. + * + * @param aKey + * A key to store the value under. + */ + set(aKey, aStringValue) { + this.state[aKey] = aStringValue; + }, + + /** + * Delete a global value. + * + * @param aKey + * A key to delete the value for. + */ + delete(aKey) { + delete this.state[aKey]; + }, + + /** + * Set the current global state from a state object. Any previous global + * state will be removed, even if the new state does not contain a matching + * key. + * + * @param aState + * A state object to extract global state from to be set. + */ + setFromState(aState) { + this.state = (aState && aState.global) || {}; + }, +}; |