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-rw-r--r--ext/bg/js/settings/storage.js199
1 files changed, 95 insertions, 104 deletions
diff --git a/ext/bg/js/settings/storage.js b/ext/bg/js/settings/storage.js
index 73c93fa1..24c6d7ef 100644
--- a/ext/bg/js/settings/storage.js
+++ b/ext/bg/js/settings/storage.js
@@ -15,126 +15,117 @@
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
-/* global
- * api
- */
-
-function storageBytesToLabeledString(size) {
- const base = 1000;
- const labels = [' bytes', 'KB', 'MB', 'GB'];
- let labelIndex = 0;
- while (size >= base) {
- size /= base;
- ++labelIndex;
+class StorageController {
+ constructor() {
+ this._mostRecentStorageEstimate = null;
+ this._storageEstimateFailed = false;
+ this._isUpdating = false;
}
- const label = labelIndex === 0 ? `${size}` : size.toFixed(1);
- return `${label}${labels[labelIndex]}`;
-}
-async function storageEstimate() {
- try {
- return (storageEstimate.mostRecent = await navigator.storage.estimate());
- } catch (e) {
- // NOP
+ prepare() {
+ this._preparePersistentStorage();
+ this.updateStats();
+ document.querySelector('#storage-refresh').addEventListener('click', this.updateStats.bind(this), false);
}
- return null;
-}
-storageEstimate.mostRecent = null;
-
-async function isStoragePeristent() {
- try {
- return await navigator.storage.persisted();
- } catch (e) {
- // NOP
- }
- return false;
-}
-
-async function storageInfoInitialize() {
- storagePersistInitialize();
- const {browser, platform} = await api.getEnvironmentInfo();
- document.documentElement.dataset.browser = browser;
- document.documentElement.dataset.operatingSystem = platform.os;
-
- await storageShowInfo();
- document.querySelector('#storage-refresh').addEventListener('click', storageShowInfo, false);
-}
-
-async function storageUpdateStats() {
- storageUpdateStats.isUpdating = true;
-
- const estimate = await storageEstimate();
- const valid = (estimate !== null);
-
- if (valid) {
- // Firefox reports usage as 0 when persistent storage is enabled.
- const finite = (estimate.usage > 0 || !(await isStoragePeristent()));
- if (finite) {
- document.querySelector('#storage-usage').textContent = storageBytesToLabeledString(estimate.usage);
- document.querySelector('#storage-quota').textContent = storageBytesToLabeledString(estimate.quota);
+ async updateStats() {
+ try {
+ this._isUpdating = true;
+
+ const estimate = await this._storageEstimate();
+ const valid = (estimate !== null);
+
+ if (valid) {
+ // Firefox reports usage as 0 when persistent storage is enabled.
+ const finite = (estimate.usage > 0 || !(await this._isStoragePeristent()));
+ if (finite) {
+ document.querySelector('#storage-usage').textContent = this._bytesToLabeledString(estimate.usage);
+ document.querySelector('#storage-quota').textContent = this._bytesToLabeledString(estimate.quota);
+ }
+ document.querySelector('#storage-use-finite').classList.toggle('storage-hidden', !finite);
+ document.querySelector('#storage-use-infinite').classList.toggle('storage-hidden', finite);
+ }
+
+ document.querySelector('#storage-use').classList.toggle('storage-hidden', !valid);
+ document.querySelector('#storage-error').classList.toggle('storage-hidden', valid);
+
+ return valid;
+ } finally {
+ this._isUpdating = false;
}
- document.querySelector('#storage-use-finite').classList.toggle('storage-hidden', !finite);
- document.querySelector('#storage-use-infinite').classList.toggle('storage-hidden', finite);
}
- storageUpdateStats.isUpdating = false;
- return valid;
-}
-storageUpdateStats.isUpdating = false;
-
-async function storageShowInfo() {
- storageSpinnerShow(true);
-
- const valid = await storageUpdateStats();
- document.querySelector('#storage-use').classList.toggle('storage-hidden', !valid);
- document.querySelector('#storage-error').classList.toggle('storage-hidden', valid);
+ // Private
- storageSpinnerShow(false);
-}
+ async _preparePersistentStorage() {
+ if (!(navigator.storage && navigator.storage.persist)) {
+ // Not supported
+ return;
+ }
-function storageSpinnerShow(show) {
- const spinner = $('#storage-spinner');
- if (show) {
- spinner.show();
- } else {
- spinner.hide();
+ const info = document.querySelector('#storage-persist-info');
+ const button = document.querySelector('#storage-persist-button');
+ const checkbox = document.querySelector('#storage-persist-button-checkbox');
+
+ info.classList.remove('storage-hidden');
+ button.classList.remove('storage-hidden');
+
+ let persisted = await this._isStoragePeristent();
+ checkbox.checked = persisted;
+
+ button.addEventListener('click', async () => {
+ if (persisted) {
+ return;
+ }
+ let result = false;
+ try {
+ result = await navigator.storage.persist();
+ } catch (e) {
+ // NOP
+ }
+
+ if (result) {
+ persisted = true;
+ checkbox.checked = true;
+ this.updateStats();
+ } else {
+ document.querySelector('.storage-persist-fail-warning').classList.remove('storage-hidden');
+ }
+ }, false);
}
-}
-async function storagePersistInitialize() {
- if (!(navigator.storage && navigator.storage.persist)) {
- // Not supported
- return;
+ async _storageEstimate() {
+ if (this._storageEstimateFailed && this._mostRecentStorageEstimate === null) {
+ return null;
+ }
+ try {
+ const value = await navigator.storage.estimate();
+ this._mostRecentStorageEstimate = value;
+ return value;
+ } catch (e) {
+ this._storageEstimateFailed = true;
+ }
+ return null;
}
- const info = document.querySelector('#storage-persist-info');
- const button = document.querySelector('#storage-persist-button');
- const checkbox = document.querySelector('#storage-persist-button-checkbox');
-
- info.classList.remove('storage-hidden');
- button.classList.remove('storage-hidden');
-
- let persisted = await isStoragePeristent();
- checkbox.checked = persisted;
-
- button.addEventListener('click', async () => {
- if (persisted) {
- return;
+ _bytesToLabeledString(size) {
+ const base = 1000;
+ const labels = [' bytes', 'KB', 'MB', 'GB'];
+ let labelIndex = 0;
+ while (size >= base) {
+ size /= base;
+ ++labelIndex;
}
- let result = false;
+ const label = labelIndex === 0 ? `${size}` : size.toFixed(1);
+ return `${label}${labels[labelIndex]}`;
+ }
+
+ async _isStoragePeristent() {
try {
- result = await navigator.storage.persist();
+ return await navigator.storage.persisted();
} catch (e) {
// NOP
}
-
- if (result) {
- persisted = true;
- checkbox.checked = true;
- storageShowInfo();
- } else {
- $('.storage-persist-fail-warning').removeClass('storage-hidden');
- }
- }, false);
+ return false;
+ }
}