diff options
Diffstat (limited to 'node_modules/react-dom/lib/EventPropagators.js')
-rw-r--r-- | node_modules/react-dom/lib/EventPropagators.js | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/node_modules/react-dom/lib/EventPropagators.js b/node_modules/react-dom/lib/EventPropagators.js deleted file mode 100644 index 4704e37bb..000000000 --- a/node_modules/react-dom/lib/EventPropagators.js +++ /dev/null @@ -1,133 +0,0 @@ -/** - * Copyright 2013-present, Facebook, Inc. - * All rights reserved. - * - * This source code is licensed under the BSD-style license found in the - * LICENSE file in the root directory of this source tree. An additional grant - * of patent rights can be found in the PATENTS file in the same directory. - * - */ - -'use strict'; - -var EventPluginHub = require('./EventPluginHub'); -var EventPluginUtils = require('./EventPluginUtils'); - -var accumulateInto = require('./accumulateInto'); -var forEachAccumulated = require('./forEachAccumulated'); -var warning = require('fbjs/lib/warning'); - -var getListener = EventPluginHub.getListener; - -/** - * Some event types have a notion of different registration names for different - * "phases" of propagation. This finds listeners by a given phase. - */ -function listenerAtPhase(inst, event, propagationPhase) { - var registrationName = event.dispatchConfig.phasedRegistrationNames[propagationPhase]; - return getListener(inst, registrationName); -} - -/** - * Tags a `SyntheticEvent` with dispatched listeners. Creating this function - * here, allows us to not have to bind or create functions for each event. - * Mutating the event's members allows us to not have to create a wrapping - * "dispatch" object that pairs the event with the listener. - */ -function accumulateDirectionalDispatches(inst, phase, event) { - if (process.env.NODE_ENV !== 'production') { - process.env.NODE_ENV !== 'production' ? warning(inst, 'Dispatching inst must not be null') : void 0; - } - var listener = listenerAtPhase(inst, event, phase); - if (listener) { - event._dispatchListeners = accumulateInto(event._dispatchListeners, listener); - event._dispatchInstances = accumulateInto(event._dispatchInstances, inst); - } -} - -/** - * Collect dispatches (must be entirely collected before dispatching - see unit - * tests). Lazily allocate the array to conserve memory. We must loop through - * each event and perform the traversal for each one. We cannot perform a - * single traversal for the entire collection of events because each event may - * have a different target. - */ -function accumulateTwoPhaseDispatchesSingle(event) { - if (event && event.dispatchConfig.phasedRegistrationNames) { - EventPluginUtils.traverseTwoPhase(event._targetInst, accumulateDirectionalDispatches, event); - } -} - -/** - * Same as `accumulateTwoPhaseDispatchesSingle`, but skips over the targetID. - */ -function accumulateTwoPhaseDispatchesSingleSkipTarget(event) { - if (event && event.dispatchConfig.phasedRegistrationNames) { - var targetInst = event._targetInst; - var parentInst = targetInst ? EventPluginUtils.getParentInstance(targetInst) : null; - EventPluginUtils.traverseTwoPhase(parentInst, accumulateDirectionalDispatches, event); - } -} - -/** - * Accumulates without regard to direction, does not look for phased - * registration names. Same as `accumulateDirectDispatchesSingle` but without - * requiring that the `dispatchMarker` be the same as the dispatched ID. - */ -function accumulateDispatches(inst, ignoredDirection, event) { - if (event && event.dispatchConfig.registrationName) { - var registrationName = event.dispatchConfig.registrationName; - var listener = getListener(inst, registrationName); - if (listener) { - event._dispatchListeners = accumulateInto(event._dispatchListeners, listener); - event._dispatchInstances = accumulateInto(event._dispatchInstances, inst); - } - } -} - -/** - * Accumulates dispatches on an `SyntheticEvent`, but only for the - * `dispatchMarker`. - * @param {SyntheticEvent} event - */ -function accumulateDirectDispatchesSingle(event) { - if (event && event.dispatchConfig.registrationName) { - accumulateDispatches(event._targetInst, null, event); - } -} - -function accumulateTwoPhaseDispatches(events) { - forEachAccumulated(events, accumulateTwoPhaseDispatchesSingle); -} - -function accumulateTwoPhaseDispatchesSkipTarget(events) { - forEachAccumulated(events, accumulateTwoPhaseDispatchesSingleSkipTarget); -} - -function accumulateEnterLeaveDispatches(leave, enter, from, to) { - EventPluginUtils.traverseEnterLeave(from, to, accumulateDispatches, leave, enter); -} - -function accumulateDirectDispatches(events) { - forEachAccumulated(events, accumulateDirectDispatchesSingle); -} - -/** - * A small set of propagation patterns, each of which will accept a small amount - * of information, and generate a set of "dispatch ready event objects" - which - * are sets of events that have already been annotated with a set of dispatched - * listener functions/ids. The API is designed this way to discourage these - * propagation strategies from actually executing the dispatches, since we - * always want to collect the entire set of dispatches before executing event a - * single one. - * - * @constructor EventPropagators - */ -var EventPropagators = { - accumulateTwoPhaseDispatches: accumulateTwoPhaseDispatches, - accumulateTwoPhaseDispatchesSkipTarget: accumulateTwoPhaseDispatchesSkipTarget, - accumulateDirectDispatches: accumulateDirectDispatches, - accumulateEnterLeaveDispatches: accumulateEnterLeaveDispatches -}; - -module.exports = EventPropagators;
\ No newline at end of file |