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Differential Revision: https://phabricator.services.mozilla.com/D7916 --HG-- rename : browser/components/newtab/content-src/asrouter/templates/SimpleSnippet/SimpleSnippet.schema.json => browser/components/newtab/content-src/asrouter/templates/NewsletterSnippet/NewsletterSnippet.schema.json extra : moz-landing-system : lando
125 lines
4.3 KiB
Markdown
125 lines
4.3 KiB
Markdown
# Snippets in ActivityStream
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## `gSnippetsMap`
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`gSnippetsMap` is available to all snippet templates and has methods that a
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regular `Map` has: `set`, `get`, `delete`, `clear`, etc.
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If you don't care about the completion of the transaction, you may simply use these
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methods synchronously:
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```js
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function setFoo() {
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gSnippetsMap.set("foo", 123);
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return gSnippetsMap.get("foo"); // returns 123
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}
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```
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However, unlike the previous version of snippets, `set`, `delete`, and `clear`
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all return a `Promise` that will resolve or reject when the `indexedDB` transaction
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is complete. For example:
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```js
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async function setFoo() {
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await gSnippetsMap.set("foo", 123);
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return gSnippetsMap.get("foo");
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}
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```
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### Methods on gSnippetsMap
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`.blockList`: (Array) An array of snippet IDs that have been blocked by the users, or an empty array if none have been blocked.
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`.blockSnippetById(id)`: (func) A function that adds an id to a blockList and returns
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a Promise that resolves when the blockList has been written to indexedDB.
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`.showFirefoxAccounts()`: (func) A function that opens the Firefox Accounts signup page
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(specifically `about:accounts?action=signup&entrypoint=snippets`)
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`.disableOnboarding()`: (func) DEPRECATED - A function that disables onboarding for future new tabs (until Firefox restarts).
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You should ensure `gSnippetsMap.get("appData.onboardingFinished")` is false before calling this. Note that this
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does not hide onboarding notifications on the **current** page, since that would be a disruptive user experience.
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`.getTotalBookmarksCount()`: (func) An async function that resolves with an integer representing the number of
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bookmarks a user has (including default bookmarks). Note that is value is only updated once per day or when a
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a user restarts the browser.
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`.getAddonsInfo()`:( func) An async function that resolves with an object `{isFullData: (bool), addons: (obj)}`.
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Note that at startup, we are sometimes unable to provide full data due to performance constraits (`.isFullData` will be `false`).
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E.g.
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```js
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{
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isFullData: true,
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addons: {
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// This is the ID of the addon
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"someaddon@mozilla.org": {
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type: "extension",
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isSystem: false,
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isWebExtension: true,
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version: "29.0.0"
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// The following properties may not be available when the browser starts up
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name: "Firefox Screenshots",
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userDisabled: false,
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installDate: Date 2018-02-27T19:33:33.440Z,
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}
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}
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}
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```
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### Expected values in gSnippetsMap
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Note that names and functionality of values in v4 snippets have been preserved
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where possible. You can access each value by calling `gSnippetsMap.get(id)`. For example,
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to find out if a user has a Firefox account, you would check `gSnippetsMap.get("appData.fxaccount")`.
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`snippets-cached-version`: (int) The version number of the snippets cached in `snippets`.
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`snippets-last-update`: (int) The last time snippets were updated.
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`snippets`: (str) The cached payload of the response from the snippets server.
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`appData.snippetsURL`: (str) The URL at from which snippets are fetched
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`appData.version`: (int) The current version of snippets
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`appData.profileCreatedWeeksAgo`: (int) The date the user's profile was created
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`appData.profileResetWeeksAgo`: (int) The date the user's profile was reset. `null` if the profile hasn't been reset.
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`appData.telemetryEnabled`: (bool) Is telemetry enabled for the user?
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`appData.onboardingFinished`: (bool) DEPRECATED - Has the onboarding tour been completed?
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`appData.fxaccount`: (bool) Does the user have a Firefox account?
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`appData.selectedSearchEngine`: (obj) An object containing a array of search
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engines and a search engine identifier for the currently selected search engine.
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For example:
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```js
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{
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engines: ["searchEngine-google", "searchEngine-yahoo", "searchEngine-bing"],
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searchEngineIdentifier : "google"
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}
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```
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`appData.defaultBrowser`: (bool) Is Firefox the user's default browser?
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If we could not determine the default browser, this value is `null`. Note that
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currently this value is only checked once when the browser is initialized.
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`appData.isDevtoolsUser`: (bool) Has the user ever used devtools?
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## Events
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ActivityStream dispatches custom DOM events on the window to allow snippets
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providers to respond to ActivityStream snippets events.
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### `Snippets:Enabled`
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Fired when the user chooses to enable snippets.
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### `Snippets:Disabled`
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Fired when the user chooses to disable snippets.
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