Backed out changeset 7b9687c90aea (bug 1368022) for eslint failures, e.g. in console-output.js. r=backout

devtools/client/webconsole/new-console-output/components/console-output.js

@@ -16,6 +16,7 @@ const {
   getAllMessagesUiById,
   getAllMessagesTableDataById,
 } = require("devtools/client/webconsole/new-console-output/selectors/messages");
+const { getScrollSetting } = require("devtools/client/webconsole/new-console-output/selectors/ui");
 const MessageContainer = createFactory(require("devtools/client/webconsole/new-console-output/components/message-container").MessageContainer);
 
 const ConsoleOutput = createClass({
@@ -30,6 +31,7 @@ const ConsoleOutput = createClass({
       openContextMenu: PropTypes.func.isRequired,
       sourceMapService: PropTypes.object,
     }),
+    autoscroll: PropTypes.bool.isRequired,
     dispatch: PropTypes.func.isRequired,
     timestampsVisible: PropTypes.bool,
     messagesTableData: PropTypes.object.isRequired,
@@ -45,16 +47,17 @@ const ConsoleOutput = createClass({
   },
 
   componentWillUpdate(nextProps, nextState) {
-    const outputNode = this.outputNode;
-    if (!outputNode || !outputNode.lastChild) {
-       return;
+    if (!this.outputNode) {
+      return;
     }
 
+    const outputNode = this.outputNode;
+
     // Figure out if we are at the bottom. If so, then any new message should be scrolled
     // into view.
-    const lastChild = outputNode.lastChild;
-    const delta = nextProps.messages.size - this.props.messages.size;
-    this.shouldScrollBottom = delta > 0 && isScrolledToBottom(lastChild, outputNode);
+    if (this.props.autoscroll && outputNode.lastChild) {
+      this.shouldScrollBottom = isScrolledToBottom(outputNode.lastChild, outputNode);
+    }
   },
 
   componentDidUpdate() {
@@ -72,6 +75,7 @@ const ConsoleOutput = createClass({
   render() {
     let {
       dispatch,
+      autoscroll,
       messages,
       messagesUi,
       messagesTableData,
@@ -88,6 +92,7 @@ const ConsoleOutput = createClass({
           serviceContainer,
           open: messagesUi.includes(message.id),
           tableData: messagesTableData.get(message.id),
+          autoscroll,
           indent: message.indent,
           timestampsVisible,
         })
@@ -123,6 +128,7 @@ function mapStateToProps(state, props) {
     messages: getAllMessages(state),
     messagesUi: getAllMessagesUiById(state),
     messagesTableData: getAllMessagesTableDataById(state),
+    autoscroll: getScrollSetting(state),
     timestampsVisible: state.ui.timestampsVisible,
   };
 }

devtools/client/webconsole/new-console-output/components/message-container.js

@@ -34,6 +34,7 @@ const MessageContainer = createClass({
     message: PropTypes.object.isRequired,
     open: PropTypes.bool.isRequired,
     serviceContainer: PropTypes.object.isRequired,
+    autoscroll: PropTypes.bool.isRequired,
     indent: PropTypes.number.isRequired,
     tableData: PropTypes.object,
     timestampsVisible: PropTypes.bool.isRequired,

devtools/client/webconsole/new-console-output/components/message-types/console-command.js

@@ -17,6 +17,7 @@ ConsoleCommand.displayName = "ConsoleCommand";
 
 ConsoleCommand.propTypes = {
   message: PropTypes.object.isRequired,
+  autoscroll: PropTypes.bool.isRequired,
   indent: PropTypes.number.isRequired,
   timestampsVisible: PropTypes.bool.isRequired,
   serviceContainer: PropTypes.object,
@@ -31,6 +32,7 @@ ConsoleCommand.defaultProps = {
  */
 function ConsoleCommand(props) {
   const {
+    autoscroll,
     indent,
     message,
     timestampsVisible,
@@ -50,6 +52,7 @@ function ConsoleCommand(props) {
     level,
     topLevelClasses: [],
     messageBody,
+    scrollToMessage: autoscroll,
     serviceContainer,
     indent,
     timestampsVisible,

devtools/client/webconsole/new-console-output/components/message-types/evaluation-result.js

@@ -76,6 +76,7 @@ function EvaluationResult(props) {
     topLevelClasses,
     messageBody,
     messageId,
+    scrollToMessage: props.autoscroll,
     serviceContainer,
     exceptionDocURL,
     frame,

devtools/client/webconsole/new-console-output/reducers/ui.js

@@ -16,15 +16,27 @@ const Immutable = require("devtools/client/shared/vendor/immutable");
 const UiState = Immutable.Record({
   filterBarVisible: false,
   filteredMessageVisible: false,
+  autoscroll: true,
   timestampsVisible: true,
 });
 
 function ui(state = new UiState(), action) {
+  // Autoscroll should be set for all action types. If the last action was not message
+  // add, then turn it off. This prevents us from scrolling after someone toggles a
+  // filter, or to the bottom of the attachment when an expandable message at the bottom
+  // of the list is expanded. It does depend on the MESSAGE_ADD action being the last in
+  // its batch, though.
+  // It also depends on REMOVED_MESSAGES_CLEAR action being sent after MESSAGE_ADD
+  // if number of messages reached the maximum limit.
+  let autoscroll = action.type == MESSAGE_ADD || action.type == REMOVED_MESSAGES_CLEAR;
+  state = state.set("autoscroll", autoscroll);
+
   switch (action.type) {
     case FILTER_BAR_TOGGLE:
       return state.set("filterBarVisible", !state.filterBarVisible);
     case TIMESTAMPS_TOGGLE:
       return state.set("timestampsVisible", action.visible);
+
   }
 
   return state;

devtools/client/webconsole/new-console-output/selectors/ui.js

@@ -10,6 +10,11 @@ function getAllUi(state) {
   return state.ui;
 }
 
+function getScrollSetting(state) {
+  return getAllUi(state).autoscroll;
+}
+
 module.exports = {
   getAllUi,
+  getScrollSetting,
 };