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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
"use strict";
const {
Component,
createElement,
createRef,
const {
connect,
const {
initialize,
const LazyMessageList = require("resource://devtools/client/webconsole/components/Output/LazyMessageList.js");
const {
getMutableMessagesById,
getAllMessagesUiById,
getAllDisabledMessagesById,
getAllCssMessagesMatchingElements,
getAllNetworkMessagesUpdateById,
getLastMessageId,
getVisibleMessages,
getAllRepeatById,
getAllWarningGroupsById,
isMessageInWarningGroup,
loader.lazyRequireGetter(
this,
"PropTypes",
);
loader.lazyRequireGetter(
this,
"MessageContainer",
true
);
const {
MESSAGE_TYPE,
class ConsoleOutput extends Component {
static get propTypes() {
return {
initialized: PropTypes.bool.isRequired,
mutableMessages: PropTypes.object.isRequired,
messageCount: PropTypes.number.isRequired,
messagesUi: PropTypes.array.isRequired,
disabledMessages: PropTypes.array.isRequired,
serviceContainer: PropTypes.shape({
attachRefToWebConsoleUI: PropTypes.func.isRequired,
openContextMenu: PropTypes.func.isRequired,
sourceMapURLService: PropTypes.object,
}),
dispatch: PropTypes.func.isRequired,
timestampsVisible: PropTypes.bool,
cssMatchingElements: PropTypes.object.isRequired,
messagesRepeat: PropTypes.object.isRequired,
warningGroups: PropTypes.object.isRequired,
networkMessagesUpdate: PropTypes.object.isRequired,
visibleMessages: PropTypes.array.isRequired,
networkMessageActiveTabId: PropTypes.string.isRequired,
onFirstMeaningfulPaint: PropTypes.func.isRequired,
editorMode: PropTypes.bool.isRequired,
cacheGeneration: PropTypes.number.isRequired,
disableVirtualization: PropTypes.bool,
lastMessageId: PropTypes.string.isRequired,
};
}
constructor(props) {
super(props);
this.onContextMenu = this.onContextMenu.bind(this);
this.maybeScrollToBottom = this.maybeScrollToBottom.bind(this);
this.messageIdsToKeepAlive = new Set();
this.ref = createRef();
this.lazyMessageListRef = createRef();
this.resizeObserver = new ResizeObserver(() => {
// If we don't have the outputNode reference, or if the outputNode isn't connected
// anymore, we disconnect the resize observer (componentWillUnmount is never called
// on this component, so we have to do it here).
if (!this.outputNode || !this.outputNode.isConnected) {
this.resizeObserver.disconnect();
return;
}
if (this.scrolledToBottom) {
this.scrollToBottom();
}
});
}
componentDidMount() {
if (this.props.disableVirtualization) {
return;
}
if (this.props.visibleMessages.length) {
this.scrollToBottom();
}
this.scrollDetectionIntersectionObserver = new IntersectionObserver(
entries => {
for (const entry of entries) {
// Consider that we're not pinned to the bottom anymore if the bottom of the
// scrollable area is within 10px of visible (half the typical element height.)
this.scrolledToBottom = entry.intersectionRatio > 0;
}
},
{ root: this.outputNode, rootMargin: "10px" }
);
this.resizeObserver.observe(this.getElementToObserve());
const { serviceContainer, onFirstMeaningfulPaint, dispatch } = this.props;
serviceContainer.attachRefToWebConsoleUI(
"outputScroller",
this.ref.current
);
// Waiting for the next paint.
new Promise(res => requestAnimationFrame(res)).then(() => {
if (onFirstMeaningfulPaint) {
onFirstMeaningfulPaint();
}
// Dispatching on next tick so we don't block on action execution.
setTimeout(() => {
dispatch(initialize());
}, 0);
});
}
UNSAFE_componentWillUpdate(nextProps) {
this.isUpdating = true;
if (nextProps.cacheGeneration !== this.props.cacheGeneration) {
this.messageIdsToKeepAlive = new Set();
}
if (nextProps.editorMode !== this.props.editorMode) {
this.resizeObserver.disconnect();
}
const { outputNode } = this;
if (!outputNode?.lastChild) {
// Force a scroll to bottom when messages are added to an empty console.
// This makes the console stay pinned to the bottom if a batch of messages
this.shouldScrollBottom = true;
this.scrolledToBottom = true;
return;
}
const bottomBuffer = this.lazyMessageListRef.current.bottomBuffer;
this.scrollDetectionIntersectionObserver.unobserve(bottomBuffer);
const visibleMessagesDelta =
nextProps.visibleMessages.length - this.props.visibleMessages.length;
const messagesDelta = nextProps.messageCount - this.props.messageCount;
// Evaluation results are never filtered out, so if it's in the store, it will be
// visible in the output.
const isNewMessageEvaluationResult =
messagesDelta > 0 &&
nextProps.lastMessageId &&
nextProps.mutableMessages.get(nextProps.lastMessageId)?.type ===
MESSAGE_TYPE.RESULT;
// Use an inline function in order to avoid executing the expensive Array.some()
// unless condition are meant to do this additional check.
const isOpeningGroup = () => {
const messagesUiDelta =
nextProps.messagesUi.length - this.props.messagesUi.length;
return (
messagesUiDelta > 0 &&
nextProps.messagesUi.some(
id =>
!this.props.messagesUi.includes(id) &&
this.props.visibleMessages.includes(id) &&
nextProps.visibleMessages.includes(id)
)
);
};
// We need to scroll to the bottom if:
this.shouldScrollBottom =
// - we are reacting to "initialize" action, and we are already scrolled to the bottom
(!this.props.initialized &&
nextProps.initialized &&
this.scrolledToBottom) ||
// - the number of messages in the store changed and the new message is an evaluation
// result.
isNewMessageEvaluationResult ||
// - the number of messages displayed changed and we are already scrolled to the
// bottom, but not if we are reacting to a group opening.
(this.scrolledToBottom && visibleMessagesDelta > 0 && !isOpeningGroup());
}
componentDidUpdate(prevProps) {
this.isUpdating = false;
this.maybeScrollToBottom();
if (this?.outputNode?.lastChild) {
const bottomBuffer = this.lazyMessageListRef.current.bottomBuffer;
this.scrollDetectionIntersectionObserver.observe(bottomBuffer);
}
if (prevProps.editorMode !== this.props.editorMode) {
this.resizeObserver.observe(this.getElementToObserve());
}
}
get outputNode() {
return this.ref.current;
}
maybeScrollToBottom() {
if (this.outputNode && this.shouldScrollBottom) {
this.scrollToBottom();
}
}
// The maybeScrollToBottom callback we provide to messages needs to be a little bit more
// strict than the one we normally use, because they can potentially interrupt a user
// scroll (between when the intersection observer registers the scroll break and when
// a componentDidUpdate comes through to reconcile it.)
maybeScrollToBottomMessageCallback(index) {
if (
this.outputNode &&
this.shouldScrollBottom &&
this.scrolledToBottom &&
this.lazyMessageListRef.current?.isItemNearBottom(index)
) {
this.scrollToBottom();
}
}
scrollToBottom() {
if (flags.testing && this.outputNode.hasAttribute("disable-autoscroll")) {
return;
}
if (this.outputNode.scrollHeight > this.outputNode.clientHeight) {
this.outputNode.scrollTop = this.outputNode.scrollHeight;
}
this.scrolledToBottom = true;
}
getElementToObserve() {
// In inline mode, we need to observe the output node parent, which contains both the
// output and the input, so we don't trigger the resizeObserver callback when only the
// output size changes (e.g. when a network request is expanded).
return this.props.editorMode
? this.outputNode
: this.outputNode?.parentNode;
}
onContextMenu(e) {
this.props.serviceContainer.openContextMenu(e);
e.stopPropagation();
e.preventDefault();
}
render() {
const {
cacheGeneration,
dispatch,
visibleMessages,
disabledMessages,
mutableMessages,
messagesUi,
cssMatchingElements,
messagesRepeat,
warningGroups,
networkMessagesUpdate,
networkMessageActiveTabId,
serviceContainer,
timestampsVisible,
} = this.props;
const renderMessage = (messageId, index) => {
return createElement(MessageContainer, {
dispatch,
key: messageId,
messageId,
serviceContainer,
open: messagesUi.includes(messageId),
cssMatchingElements: cssMatchingElements.get(messageId),
timestampsVisible,
disabled: disabledMessages.includes(messageId),
repeat: messagesRepeat[messageId],
badge: warningGroups.has(messageId)
? warningGroups.get(messageId).length
: null,
inWarningGroup:
warningGroups && warningGroups.size > 0
? isMessageInWarningGroup(
mutableMessages.get(messageId),
visibleMessages
)
: false,
networkMessageUpdate: networkMessagesUpdate[messageId],
networkMessageActiveTabId,
getMessage: () => mutableMessages.get(messageId),
maybeScrollToBottom: () =>
this.maybeScrollToBottomMessageCallback(index),
// Whenever a node is expanded, we want to make sure we keep the
// message node alive so as to not lose the expanded state.
setExpanded: () => this.messageIdsToKeepAlive.add(messageId),
});
};
// scrollOverdrawCount tells the list to draw extra elements above and
// below the scrollport so that we can avoid flashes of blank space
// when scrolling. When `disableVirtualization` is passed we make it as large as the
// number of messages to render them all and effectively disabling virtualization (this
// should only be used for some actions that requires all the messages to be rendered
// in the DOM, like "Copy All Messages").
const scrollOverdrawCount = this.props.disableVirtualization
? visibleMessages.length
: 20;
const attrs = {
className: "webconsole-output",
role: "main",
onContextMenu: this.onContextMenu,
ref: this.ref,
};
if (flags.testing) {
attrs["data-visible-messages"] = JSON.stringify(visibleMessages);
}
return dom.div(
attrs,
createElement(LazyMessageList, {
viewportRef: this.ref,
items: visibleMessages,
itemDefaultHeight: 21,
editorMode: this.props.editorMode,
scrollOverdrawCount,
ref: this.lazyMessageListRef,
renderItem: renderMessage,
itemsToKeepAlive: this.messageIdsToKeepAlive,
serviceContainer,
cacheGeneration,
shouldScrollBottom: () => this.shouldScrollBottom && this.isUpdating,
})
);
}
}
function mapStateToProps(state) {
const mutableMessages = getMutableMessagesById(state);
return {
initialized: state.ui.initialized,
cacheGeneration: state.ui.cacheGeneration,
// We need to compute this so lifecycle methods can compare the global message count
// on state change (since we can't do it with mutableMessagesById).
messageCount: mutableMessages.size,
mutableMessages,
lastMessageId: getLastMessageId(state),
visibleMessages: getVisibleMessages(state),
disabledMessages: getAllDisabledMessagesById(state),
messagesUi: getAllMessagesUiById(state),
cssMatchingElements: getAllCssMessagesMatchingElements(state),
messagesRepeat: getAllRepeatById(state),
warningGroups: getAllWarningGroupsById(state),
networkMessagesUpdate: getAllNetworkMessagesUpdateById(state),
timestampsVisible: state.ui.timestampsVisible,
networkMessageActiveTabId: state.ui.networkMessageActiveTabId,
};
}
module.exports = connect(mapStateToProps)(ConsoleOutput);