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Add helper functions for decoding and encoding lists of push actions

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This commit is contained in:
Mark Haines 2016-03-15 11:26:32 +00:00
parent 8b1444c954
commit 3224a4e49e
1 changed files with 73 additions and 78 deletions
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151
src/components/views/settings/Notifications.js
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@ -37,52 +37,81 @@ var PushRuleVectorState = {
OFF: "off"
};
var ACTION_NOTIFY = [
"notify",
{
"set_tweak": "highlight",
"value": false
// Encodes a dictionary of {
// "notify": true/false,
// "sound": string or undefined,
// "highlight: true/false,
// }
// to a list of push actions.
function encodeActions(action) {
var notify = action.notify;
var sound = action.sound;
var highlight = action.highlight;
if (notify) {
var actions = ["notify"];
if (sound) {
actions.push({"set_tweak": "sound", "value": sound});
}
];
var ACTION_NOTIFY_DEFAULT_SOUND = [
"notify",
{
"set_tweak": "sound",
"value": "default"
},
{
"set_tweak": "highlight",
"value": false
if (highlight) {
actions.push({"set_tweak": "highlight"});
} else {
actions.push({"set_tweak": "highlight", "value": false});
}
];
var ACTION_NOTIFY_RING_SOUND = [
"notify",
{
"set_tweak": "sound",
"value": "ring"
},
{
"set_tweak": "highlight",
"value": false
return actions;
} else {
return ["dont_notify"];
}
];
}
var ACTION_HIGHLIGHT_DEFAULT_SOUND = [
"notify",
{
"set_tweak": "sound",
"value": "default"
},
{
"set_tweak":"highlight"
// Decode a list of actions to a dictionary of {
// "notify": true/false,
// "sound": string or undefined,
// "highlight: true/false,
// }
// If the actions couldn't be decoded then returns null.
function decodeActions(actions) {
var notify = false;
var sound = null;
var highlight = false;
for (var i = 0; i < actions.length; ++i) {
var action = actions[i];
if (action === "notify") {
notify = true;
} else if (action === "dont_notify") {
notify = false;
} else if (typeof action === 'object') {
if (action.set_tweak === "sound") {
sound = action.value
} else if (action.set_tweak === "highlight") {
highlight = action.value;
} else {
// We don't understand this kind of tweak, so give up.
return null;
}
} else {
// We don't understand this kind of action, so give up.
return null;
}
}
];
var ACTION_DONT_NOTIFY = [ "dont_notify" ];
if (highlight === undefined) {
// If a highlight tweak is missing a value then it defaults to true.
highlight = true;
}
var result = {notify: notify, highlight: highlight};
if (sound !== null) {
result.sound = sound;
}
return result;
}
var ACTION_NOTIFY = encodeActions({notify: true});
var ACTION_NOTIFY_DEFAULT_SOUND = encodeActions({notify: true, sound: "default"});
var ACTION_NOTIFY_RING_SOUND = encodeActions({notify: true, sound: "ring"});
var ACTION_HIGHLIGHT_DEFAULT_SOUND = encodeActions({notify: true, sound: "default", highlight: true});
var ACTION_DONT_NOTIFY = encodeActions({notify: false});
var ACTION_DISABLED = null;
@ -177,47 +206,13 @@ var LEGACY_RULES = {
};
function portLegacyActions(actions) {
var notify = false;
var sound = null;
var highlight = false;
var unknown_action = false;
for (var i = 0; i < actions.length; ++i) {
var action = actions[i];
if (action === "notify") {
notify = true;
} else if (action === "dont_notify") {
notify = false;
} else if (typeof action === 'object') {
if (action.set_tweak === "sound") {
sound = action.value
} else if (action.set_tweak === "highlight") {
highlight = action.value;
var decoded = decodeActions(actions);
if (decoded !== null) {
return encodeActions(decoded);
} else {
unknown_action = true;
}
} else {
unknown_action = true;
}
}
// We don't regconise one of the actions here, so we don't try to
// We don't recognise one of the actions here, so we don't try to
// canonicalise them.
if (unknown_action) return actions;
if (notify) {
var new_actions = ["notify"];
if (sound !== null) {
new_actions.push({"set_tweak": "sound", "value": sound});
}
if (highlight) {
new_actions.push({"set_tweak": "highlight"});
} else {
new_actions.push({"set_tweak": "highlight", "value": false});
}
return new_actions;
} else {
return ACTION_DONT_NOTIFY;
return actions;
}
}