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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 {
UPDATE_ANIMATIONS,
UPDATE_DETAIL_VISIBILITY,
UPDATE_ELEMENT_PICKER_ENABLED,
UPDATE_HIGHLIGHTED_NODE,
UPDATE_PLAYBACK_RATES,
UPDATE_SELECTED_ANIMATION,
UPDATE_SIDEBAR_SIZE,
} = require("resource://devtools/client/inspector/animation/actions/index.js");
loader.lazyRequireGetter(
this,
"TimeScale",
"resource://devtools/client/inspector/animation/utils/timescale.js"
);
const INITIAL_STATE = {
animations: [],
detailVisibility: false,
elementPickerEnabled: false,
highlightedNode: null,
playbackRates: [],
selectedAnimation: null,
sidebarSize: {
height: 0,
width: 0,
},
timeScale: null,
};
const reducers = {
[UPDATE_ANIMATIONS](state, { animations }) {
let detailVisibility = state.detailVisibility;
let selectedAnimation = state.selectedAnimation;
if (
!state.selectedAnimation ||
!animations.find(
animation => animation.actorID === selectedAnimation.actorID
)
) {
selectedAnimation = animations.length === 1 ? animations[0] : null;
detailVisibility = !!selectedAnimation;
}
const playbackRates = getPlaybackRates(state.playbackRates, animations);
return Object.assign({}, state, {
animations,
detailVisibility,
playbackRates,
selectedAnimation,
timeScale: new TimeScale(animations),
});
},
[UPDATE_DETAIL_VISIBILITY](state, { detailVisibility }) {
const selectedAnimation = detailVisibility ? state.selectedAnimation : null;
return Object.assign({}, state, {
detailVisibility,
selectedAnimation,
});
},
[UPDATE_ELEMENT_PICKER_ENABLED](state, { elementPickerEnabled }) {
return Object.assign({}, state, {
elementPickerEnabled,
});
},
[UPDATE_HIGHLIGHTED_NODE](state, { highlightedNode }) {
return Object.assign({}, state, {
highlightedNode,
});
},
[UPDATE_PLAYBACK_RATES](state) {
return Object.assign({}, state, {
playbackRates: getPlaybackRates([], state.animations),
});
},
[UPDATE_SELECTED_ANIMATION](state, { selectedAnimation }) {
const detailVisibility = !!selectedAnimation;
return Object.assign({}, state, {
detailVisibility,
selectedAnimation,
});
},
[UPDATE_SIDEBAR_SIZE](state, { sidebarSize }) {
return Object.assign({}, state, {
sidebarSize,
});
},
};
function getPlaybackRates(basePlaybackRate, animations) {
return [
...new Set(
animations.map(a => a.state.playbackRate).concat(basePlaybackRate)
),
];
}
module.exports = function (state = INITIAL_STATE, action) {
const reducer = reducers[action.type];
return reducer ? reducer(state, action) : state;
};
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