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tubestation/devtools/client/debugger/content/reducers/breakpoints.js

129 lines
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JavaScript

/* 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, deleteIn } = require('../utils');
const { makeLocationId } = require('../queries');
const initialState = Immutable({
breakpoints: {}
});
function update(state = initialState, action, emitChange) {
switch(action.type) {
case constants.ADD_BREAKPOINT: {
const id = makeLocationId(action.breakpoint.location);
if (action.status === 'start') {
const existingBp = state.breakpoints[id];
const bp = existingBp || Immutable(action.breakpoint);
state = setIn(state, ['breakpoints', id], bp.merge({
disabled: false,
loading: true,
condition: action.condition || bp.condition || undefined
}));
emitChange(existingBp ? "breakpoint-enabled" : "breakpoint-added",
state.breakpoints[id]);
return state;
}
else if (action.status === 'done') {
const { actor, text } = action.value;
let { actualLocation } = action.value;
// If the breakpoint moved, update the map
if (actualLocation) {
// XXX Bug 1227417: The `setBreakpoint` RDP request rdp
// request returns an `actualLocation` field that doesn't
// conform to the regular { actor, line } location shape, but
// it has a `source` field. We should fix that.
actualLocation = { actor: actualLocation.source.actor,
line: actualLocation.line };
state = deleteIn(state, ['breakpoints', id]);
const movedId = makeLocationId(actualLocation);
const currentBp = state.breakpoints[movedId] || Immutable(action.breakpoint);
const prevLocation = action.breakpoint.location;
const newBp = currentBp.merge({ location: actualLocation });
state = setIn(state, ['breakpoints', movedId], newBp);
emitChange('breakpoint-moved', {
breakpoint: newBp,
prevLocation: prevLocation
});
}
const finalLocation = (
actualLocation ? actualLocation : action.breakpoint.location
);
const finalLocationId = makeLocationId(finalLocation);
state = mergeIn(state, ['breakpoints', finalLocationId], {
disabled: false,
loading: false,
actor: actor,
text: text
});
emitChange('breakpoint-updated', state.breakpoints[finalLocationId]);
return state;
}
else if (action.status === 'error') {
// Remove the optimistic update
emitChange('breakpoint-removed', state.breakpoints[id]);
return deleteIn(state, ['breakpoints', id]);
}
break;
}
case constants.REMOVE_BREAKPOINT: {
if (action.status === 'done') {
const id = makeLocationId(action.breakpoint.location);
const bp = state.breakpoints[id];
if (action.disabled) {
state = mergeIn(state, ['breakpoints', id],
{ loading: false, disabled: true });
emitChange('breakpoint-disabled', state.breakpoints[id]);
return state;
}
state = deleteIn(state, ['breakpoints', id]);
emitChange('breakpoint-removed', bp);
return state;
}
break;
}
case constants.SET_BREAKPOINT_CONDITION: {
const id = makeLocationId(action.breakpoint.location);
const bp = state.breakpoints[id];
if (action.status === 'start') {
return mergeIn(state, ['breakpoints', id], {
loading: true,
condition: action.condition
});
}
else if (action.status === 'done') {
return mergeIn(state, ['breakpoints', id], {
loading: false,
// Setting a condition creates a new breakpoint client as of
// now, so we need to update the actor
actor: action.value.actor
});
}
else if (action.status === 'error') {
return deleteIn(state, ['breakpoints', id]);
}
break;
}}
return state;
}
module.exports = update;