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/* 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/. */
"use strict";
const constants = require("../constants");
const Immutable = require("devtools/client/shared/vendor/seamless-immutable");
const { mergeIn, setIn } = require("../utils");
const initialState = Immutable({
sources: {},
selectedSource: null,
selectedSourceOpts: null,
sourcesText: {}
});
function update(state = initialState, action, emitChange) {
switch (action.type) {
case constants.ADD_SOURCE:
emitChange("source", action.source);
return mergeIn(state, ["sources", action.source.actor], action.source);
case constants.LOAD_SOURCES:
if (action.status === "done") {
const sources = action.value;
if (!sources) {
return state;
}
const sourcesByActor = {};
sources.forEach(source => {
if (!state.sources[source.actor]) {
emitChange("source", source);
}
sourcesByActor[source.actor] = source;
});
return mergeIn(state, ["sources"], state.sources.merge(sourcesByActor));
}
break;
case constants.SELECT_SOURCE:
emitChange("source-selected", action.source);
return state.merge({
selectedSource: action.source.actor,
selectedSourceOpts: action.opts
});
case constants.LOAD_SOURCE_TEXT: {
const s = _updateText(state, action);
emitChange("source-text-loaded", s.sources[action.source.actor]);
return s;
}
case constants.BLACKBOX:
if (action.status === "done") {
const s = mergeIn(state,
["sources", action.source.actor, "isBlackBoxed"],
action.value.isBlackBoxed);
emitChange("blackboxed", s.sources[action.source.actor]);
return s;
}
break;
case constants.TOGGLE_PRETTY_PRINT:
let s = state;
if (action.status === "error") {
s = mergeIn(state, ["sourcesText", action.source.actor], {
loading: false
});
// If it errored, just display the source as it was before, but
// only if there is existing text already. If auto-prettifying
// is on, the original text may still be coming in and we don't
// have it yet. If we try to set empty text we confuse the
// editor because it thinks it's already displaying the source's
// text and won't load the text when it actually comes in.
if (s.sourcesText[action.source.actor].text != null) {
emitChange("prettyprinted", s.sources[action.source.actor]);
}
}
else {
s = _updateText(state, action);
// Don't do this yet, the progress bar is still imperatively shown
// from the source view. We will fix in the next iteration.
// emitChange('source-text-loaded', s.sources[action.source.actor]);
if (action.status === "done") {
s = mergeIn(s,
["sources", action.source.actor, "isPrettyPrinted"],
action.value.isPrettyPrinted);
emitChange("prettyprinted", s.sources[action.source.actor]);
}
}
return s;
case constants.UNLOAD:
// Reset the entire state to just the initial state, a blank state
// if you will.
return initialState;
}
return state;
}
function _updateText(state, action) {
const { source } = action;
if (action.status === "start") {
// Merge this in, don't set it. That way the previous value is
// still stored here, and we can retrieve it if whatever we're
// doing fails.
return mergeIn(state, ["sourcesText", source.actor], {
loading: true
});
}
else if (action.status === "error") {
return setIn(state, ["sourcesText", source.actor], {
error: action.error
});
}
else {
return setIn(state, ["sourcesText", source.actor], {
text: action.value.text,
contentType: action.value.contentType
});
}
}
module.exports = update;
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