Add m-esr52 at 52.6.0

1 files changed, 925 insertions, 0 deletions

diff --git a/devtools/client/debugger/views/filter-view.js b/devtools/client/debugger/views/filter-view.js
new file mode 100644
index 000000000..460b1201c
--- /dev/null
+++ b/devtools/client/debugger/views/filter-view.js
@@ -0,0 +1,925 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* 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/. */
+/* import-globals-from ../debugger-controller.js */
+/* import-globals-from ../debugger-view.js */
+/* import-globals-from ../utils.js */
+/* globals document, window */
+"use strict";
+
+/**
+ * Functions handling the filtering UI.
+ */
+function FilterView(DebuggerController, DebuggerView) {
+  dumpn("FilterView was instantiated");
+
+  this.Parser = DebuggerController.Parser;
+
+  this.DebuggerView = DebuggerView;
+  this.FilteredSources = new FilteredSourcesView(DebuggerView);
+  this.FilteredFunctions = new FilteredFunctionsView(DebuggerController.SourceScripts,
+                                                     DebuggerController.Parser,
+                                                     DebuggerView);
+
+  this._onClick = this._onClick.bind(this);
+  this._onInput = this._onInput.bind(this);
+  this._onKeyPress = this._onKeyPress.bind(this);
+  this._onBlur = this._onBlur.bind(this);
+}
+
+FilterView.prototype = {
+  /**
+   * Initialization function, called when the debugger is started.
+   */
+  initialize: function () {
+    dumpn("Initializing the FilterView");
+
+    this._searchbox = document.getElementById("searchbox");
+    this._searchboxHelpPanel = document.getElementById("searchbox-help-panel");
+    this._filterLabel = document.getElementById("filter-label");
+    this._globalOperatorButton = document.getElementById("global-operator-button");
+    this._globalOperatorLabel = document.getElementById("global-operator-label");
+    this._functionOperatorButton = document.getElementById("function-operator-button");
+    this._functionOperatorLabel = document.getElementById("function-operator-label");
+    this._tokenOperatorButton = document.getElementById("token-operator-button");
+    this._tokenOperatorLabel = document.getElementById("token-operator-label");
+    this._lineOperatorButton = document.getElementById("line-operator-button");
+    this._lineOperatorLabel = document.getElementById("line-operator-label");
+    this._variableOperatorButton = document.getElementById("variable-operator-button");
+    this._variableOperatorLabel = document.getElementById("variable-operator-label");
+
+    this._fileSearchKey = ShortcutUtils.prettifyShortcut(document.getElementById("fileSearchKey"));
+    this._globalSearchKey = ShortcutUtils.prettifyShortcut(document.getElementById("globalSearchKey"));
+    this._filteredFunctionsKey = ShortcutUtils.prettifyShortcut(document.getElementById("functionSearchKey"));
+    this._tokenSearchKey = ShortcutUtils.prettifyShortcut(document.getElementById("tokenSearchKey"));
+    this._lineSearchKey = ShortcutUtils.prettifyShortcut(document.getElementById("lineSearchKey"));
+    this._variableSearchKey = ShortcutUtils.prettifyShortcut(document.getElementById("variableSearchKey"));
+
+    this._searchbox.addEventListener("click", this._onClick, false);
+    this._searchbox.addEventListener("select", this._onInput, false);
+    this._searchbox.addEventListener("input", this._onInput, false);
+    this._searchbox.addEventListener("keypress", this._onKeyPress, false);
+    this._searchbox.addEventListener("blur", this._onBlur, false);
+
+    let placeholder = L10N.getFormatStr("emptySearchText", this._fileSearchKey);
+    this._searchbox.setAttribute("placeholder", placeholder);
+
+    this._globalOperatorButton.setAttribute("label", SEARCH_GLOBAL_FLAG);
+    this._functionOperatorButton.setAttribute("label", SEARCH_FUNCTION_FLAG);
+    this._tokenOperatorButton.setAttribute("label", SEARCH_TOKEN_FLAG);
+    this._lineOperatorButton.setAttribute("label", SEARCH_LINE_FLAG);
+    this._variableOperatorButton.setAttribute("label", SEARCH_VARIABLE_FLAG);
+
+    this._filterLabel.setAttribute("value",
+      L10N.getFormatStr("searchPanelFilter", this._fileSearchKey));
+    this._globalOperatorLabel.setAttribute("value",
+      L10N.getFormatStr("searchPanelGlobal", this._globalSearchKey));
+    this._functionOperatorLabel.setAttribute("value",
+      L10N.getFormatStr("searchPanelFunction", this._filteredFunctionsKey));
+    this._tokenOperatorLabel.setAttribute("value",
+      L10N.getFormatStr("searchPanelToken", this._tokenSearchKey));
+    this._lineOperatorLabel.setAttribute("value",
+      L10N.getFormatStr("searchPanelGoToLine", this._lineSearchKey));
+    this._variableOperatorLabel.setAttribute("value",
+      L10N.getFormatStr("searchPanelVariable", this._variableSearchKey));
+
+    this.FilteredSources.initialize();
+    this.FilteredFunctions.initialize();
+
+    this._addCommands();
+  },
+
+  /**
+   * Destruction function, called when the debugger is closed.
+   */
+  destroy: function () {
+    dumpn("Destroying the FilterView");
+
+    this._searchbox.removeEventListener("click", this._onClick, false);
+    this._searchbox.removeEventListener("select", this._onInput, false);
+    this._searchbox.removeEventListener("input", this._onInput, false);
+    this._searchbox.removeEventListener("keypress", this._onKeyPress, false);
+    this._searchbox.removeEventListener("blur", this._onBlur, false);
+
+    this.FilteredSources.destroy();
+    this.FilteredFunctions.destroy();
+  },
+
+  /**
+   * Add commands that XUL can fire.
+   */
+  _addCommands: function () {
+    XULUtils.addCommands(document.getElementById("debuggerCommands"), {
+      fileSearchCommand: () => this._doFileSearch(),
+      globalSearchCommand: () => this._doGlobalSearch(),
+      functionSearchCommand: () => this._doFunctionSearch(),
+      tokenSearchCommand: () => this._doTokenSearch(),
+      lineSearchCommand: () => this._doLineSearch(),
+      variableSearchCommand: () => this._doVariableSearch(),
+      variablesFocusCommand: () => this._doVariablesFocus()
+    });
+  },
+
+  /**
+   * Gets the entered operator and arguments in the searchbox.
+   * @return array
+   */
+  get searchData() {
+    let operator = "", args = [];
+
+    let rawValue = this._searchbox.value;
+    let rawLength = rawValue.length;
+    let globalFlagIndex = rawValue.indexOf(SEARCH_GLOBAL_FLAG);
+    let functionFlagIndex = rawValue.indexOf(SEARCH_FUNCTION_FLAG);
+    let variableFlagIndex = rawValue.indexOf(SEARCH_VARIABLE_FLAG);
+    let tokenFlagIndex = rawValue.lastIndexOf(SEARCH_TOKEN_FLAG);
+    let lineFlagIndex = rawValue.lastIndexOf(SEARCH_LINE_FLAG);
+
+    // This is not a global, function or variable search, allow file/line flags.
+    if (globalFlagIndex != 0 && functionFlagIndex != 0 && variableFlagIndex != 0) {
+      // Token search has precedence over line search.
+      if (tokenFlagIndex != -1) {
+        operator = SEARCH_TOKEN_FLAG;
+        args.push(rawValue.slice(0, tokenFlagIndex)); // file
+        args.push(rawValue.substr(tokenFlagIndex + 1, rawLength)); // token
+      } else if (lineFlagIndex != -1) {
+        operator = SEARCH_LINE_FLAG;
+        args.push(rawValue.slice(0, lineFlagIndex)); // file
+        args.push(+rawValue.substr(lineFlagIndex + 1, rawLength) || 0); // line
+      } else {
+        args.push(rawValue);
+      }
+    }
+    // Global searches dissalow the use of file or line flags.
+    else if (globalFlagIndex == 0) {
+      operator = SEARCH_GLOBAL_FLAG;
+      args.push(rawValue.slice(1));
+    }
+    // Function searches dissalow the use of file or line flags.
+    else if (functionFlagIndex == 0) {
+      operator = SEARCH_FUNCTION_FLAG;
+      args.push(rawValue.slice(1));
+    }
+    // Variable searches dissalow the use of file or line flags.
+    else if (variableFlagIndex == 0) {
+      operator = SEARCH_VARIABLE_FLAG;
+      args.push(rawValue.slice(1));
+    }
+
+    return [operator, args];
+  },
+
+  /**
+   * Returns the current search operator.
+   * @return string
+   */
+  get searchOperator() {
+    return this.searchData[0];
+  },
+
+  /**
+   * Returns the current search arguments.
+   * @return array
+   */
+  get searchArguments() {
+    return this.searchData[1];
+  },
+
+  /**
+   * Clears the text from the searchbox and any changed views.
+   */
+  clearSearch: function () {
+    this._searchbox.value = "";
+    this.clearViews();
+
+    this.FilteredSources.clearView();
+    this.FilteredFunctions.clearView();
+  },
+
+  /**
+   * Clears all the views that may pop up when searching.
+   */
+  clearViews: function () {
+    this.DebuggerView.GlobalSearch.clearView();
+    this.FilteredSources.clearView();
+    this.FilteredFunctions.clearView();
+    this._searchboxHelpPanel.hidePopup();
+  },
+
+  /**
+   * Performs a line search if necessary.
+   * (Jump to lines in the currently visible source).
+   *
+   * @param number aLine
+   *        The source line number to jump to.
+   */
+  _performLineSearch: function (aLine) {
+    // Make sure we're actually searching for a valid line.
+    if (aLine) {
+      this.DebuggerView.editor.setCursor({ line: aLine - 1, ch: 0 }, "center");
+    }
+  },
+
+  /**
+   * Performs a token search if necessary.
+   * (Search for tokens in the currently visible source).
+   *
+   * @param string aToken
+   *        The source token to find.
+   */
+  _performTokenSearch: function (aToken) {
+    // Make sure we're actually searching for a valid token.
+    if (!aToken) {
+      return;
+    }
+    this.DebuggerView.editor.find(aToken);
+  },
+
+  /**
+   * The click listener for the search container.
+   */
+  _onClick: function () {
+    // If there's some text in the searchbox, displaying a panel would
+    // interfere with double/triple click default behaviors.
+    if (!this._searchbox.value) {
+      this._searchboxHelpPanel.openPopup(this._searchbox);
+    }
+  },
+
+  /**
+   * The input listener for the search container.
+   */
+  _onInput: function () {
+    this.clearViews();
+
+    // Make sure we're actually searching for something.
+    if (!this._searchbox.value) {
+      return;
+    }
+
+    // Perform the required search based on the specified operator.
+    switch (this.searchOperator) {
+      case SEARCH_GLOBAL_FLAG:
+        // Schedule a global search for when the user stops typing.
+        this.DebuggerView.GlobalSearch.scheduleSearch(this.searchArguments[0]);
+        break;
+      case SEARCH_FUNCTION_FLAG:
+      // Schedule a function search for when the user stops typing.
+        this.FilteredFunctions.scheduleSearch(this.searchArguments[0]);
+        break;
+      case SEARCH_VARIABLE_FLAG:
+        // Schedule a variable search for when the user stops typing.
+        this.DebuggerView.Variables.scheduleSearch(this.searchArguments[0]);
+        break;
+      case SEARCH_TOKEN_FLAG:
+        // Schedule a file+token search for when the user stops typing.
+        this.FilteredSources.scheduleSearch(this.searchArguments[0]);
+        this._performTokenSearch(this.searchArguments[1]);
+        break;
+      case SEARCH_LINE_FLAG:
+        // Schedule a file+line search for when the user stops typing.
+        this.FilteredSources.scheduleSearch(this.searchArguments[0]);
+        this._performLineSearch(this.searchArguments[1]);
+        break;
+      default:
+        // Schedule a file only search for when the user stops typing.
+        this.FilteredSources.scheduleSearch(this.searchArguments[0]);
+        break;
+    }
+  },
+
+  /**
+   * The key press listener for the search container.
+   */
+  _onKeyPress: function (e) {
+    // This attribute is not implemented in Gecko at this time, see bug 680830.
+    e.char = String.fromCharCode(e.charCode);
+
+    // Perform the required action based on the specified operator.
+    let [operator, args] = this.searchData;
+    let isGlobalSearch = operator == SEARCH_GLOBAL_FLAG;
+    let isFunctionSearch = operator == SEARCH_FUNCTION_FLAG;
+    let isVariableSearch = operator == SEARCH_VARIABLE_FLAG;
+    let isTokenSearch = operator == SEARCH_TOKEN_FLAG;
+    let isLineSearch = operator == SEARCH_LINE_FLAG;
+    let isFileOnlySearch = !operator && args.length == 1;
+
+    // Depending on the pressed keys, determine to correct action to perform.
+    let actionToPerform;
+
+    // Meta+G and Ctrl+N focus next matches.
+    if ((e.char == "g" && e.metaKey) || e.char == "n" && e.ctrlKey) {
+      actionToPerform = "selectNext";
+    }
+    // Meta+Shift+G and Ctrl+P focus previous matches.
+    else if ((e.char == "G" && e.metaKey) || e.char == "p" && e.ctrlKey) {
+      actionToPerform = "selectPrev";
+    }
+    // Return, enter, down and up keys focus next or previous matches, while
+    // the escape key switches focus from the search container.
+    else switch (e.keyCode) {
+      case KeyCodes.DOM_VK_RETURN:
+        var isReturnKey = true;
+        // If the shift key is pressed, focus on the previous result
+        actionToPerform = e.shiftKey ? "selectPrev" : "selectNext";
+        break;
+      case KeyCodes.DOM_VK_DOWN:
+        actionToPerform = "selectNext";
+        break;
+      case KeyCodes.DOM_VK_UP:
+        actionToPerform = "selectPrev";
+        break;
+    }
+
+    // If there's no action to perform, or no operator, file line or token
+    // were specified, then this is either a broken or empty search.
+    if (!actionToPerform || (!operator && !args.length)) {
+      this.DebuggerView.editor.dropSelection();
+      return;
+    }
+
+    e.preventDefault();
+    e.stopPropagation();
+
+    // Jump to the next/previous entry in the global search, or perform
+    // a new global search immediately
+    if (isGlobalSearch) {
+      let targetView = this.DebuggerView.GlobalSearch;
+      if (!isReturnKey) {
+        targetView[actionToPerform]();
+      } else if (targetView.hidden) {
+        targetView.scheduleSearch(args[0], 0);
+      }
+      return;
+    }
+
+    // Jump to the next/previous entry in the function search, perform
+    // a new function search immediately, or clear it.
+    if (isFunctionSearch) {
+      let targetView = this.FilteredFunctions;
+      if (!isReturnKey) {
+        targetView[actionToPerform]();
+      } else if (targetView.hidden) {
+        targetView.scheduleSearch(args[0], 0);
+      } else {
+        if (!targetView.selectedItem) {
+          targetView.selectedIndex = 0;
+        }
+        this.clearSearch();
+      }
+      return;
+    }
+
+    // Perform a new variable search immediately.
+    if (isVariableSearch) {
+      let targetView = this.DebuggerView.Variables;
+      if (isReturnKey) {
+        targetView.scheduleSearch(args[0], 0);
+      }
+      return;
+    }
+
+    // Jump to the next/previous entry in the file search, perform
+    // a new file search immediately, or clear it.
+    if (isFileOnlySearch) {
+      let targetView = this.FilteredSources;
+      if (!isReturnKey) {
+        targetView[actionToPerform]();
+      } else if (targetView.hidden) {
+        targetView.scheduleSearch(args[0], 0);
+      } else {
+        if (!targetView.selectedItem) {
+          targetView.selectedIndex = 0;
+        }
+        this.clearSearch();
+      }
+      return;
+    }
+
+    // Jump to the next/previous instance of the currently searched token.
+    if (isTokenSearch) {
+      let methods = { selectNext: "findNext", selectPrev: "findPrev" };
+      this.DebuggerView.editor[methods[actionToPerform]]();
+      return;
+    }
+
+    // Increment/decrement the currently searched caret line.
+    if (isLineSearch) {
+      let [, line] = args;
+      let amounts = { selectNext: 1, selectPrev: -1 };
+
+      // Modify the line number and jump to it.
+      line += !isReturnKey ? amounts[actionToPerform] : 0;
+      let lineCount = this.DebuggerView.editor.lineCount();
+      let lineTarget = line < 1 ? 1 : line > lineCount ? lineCount : line;
+      this._doSearch(SEARCH_LINE_FLAG, lineTarget);
+      return;
+    }
+  },
+
+  /**
+   * The blur listener for the search container.
+   */
+  _onBlur: function () {
+    this.clearViews();
+  },
+
+  /**
+   * Called when a filtering key sequence was pressed.
+   *
+   * @param string aOperator
+   *        The operator to use for filtering.
+   */
+  _doSearch: function (aOperator = "", aText = "") {
+    this._searchbox.focus();
+    this._searchbox.value = ""; // Need to clear value beforehand. Bug 779738.
+
+    if (aText) {
+      this._searchbox.value = aOperator + aText;
+      return;
+    }
+    if (this.DebuggerView.editor.somethingSelected()) {
+      this._searchbox.value = aOperator + this.DebuggerView.editor.getSelection();
+      return;
+    }
+
+    let content = this.DebuggerView.editor.getText();
+    if (content.length < this.DebuggerView.LARGE_FILE_SIZE &&
+        SEARCH_AUTOFILL.indexOf(aOperator) != -1) {
+      let cursor = this.DebuggerView.editor.getCursor();
+      let location = this.DebuggerView.Sources.selectedItem.attachment.source.url;
+      let source = this.Parser.get(content, location);
+      let identifier = source.getIdentifierAt({ line: cursor.line + 1, column: cursor.ch });
+
+      if (identifier && identifier.name) {
+        this._searchbox.value = aOperator + identifier.name;
+        this._searchbox.select();
+        this._searchbox.selectionStart += aOperator.length;
+        return;
+      }
+    }
+    this._searchbox.value = aOperator;
+  },
+
+  /**
+   * Called when the source location filter key sequence was pressed.
+   */
+  _doFileSearch: function () {
+    this._doSearch();
+    this._searchboxHelpPanel.openPopup(this._searchbox);
+  },
+
+  /**
+   * Called when the global search filter key sequence was pressed.
+   */
+  _doGlobalSearch: function () {
+    this._doSearch(SEARCH_GLOBAL_FLAG);
+    this._searchboxHelpPanel.hidePopup();
+  },
+
+  /**
+   * Called when the source function filter key sequence was pressed.
+   */
+  _doFunctionSearch: function () {
+    this._doSearch(SEARCH_FUNCTION_FLAG);
+    this._searchboxHelpPanel.hidePopup();
+  },
+
+  /**
+   * Called when the source token filter key sequence was pressed.
+   */
+  _doTokenSearch: function () {
+    this._doSearch(SEARCH_TOKEN_FLAG);
+    this._searchboxHelpPanel.hidePopup();
+  },
+
+  /**
+   * Called when the source line filter key sequence was pressed.
+   */
+  _doLineSearch: function () {
+    this._doSearch(SEARCH_LINE_FLAG);
+    this._searchboxHelpPanel.hidePopup();
+  },
+
+  /**
+   * Called when the variable search filter key sequence was pressed.
+   */
+  _doVariableSearch: function () {
+    this._doSearch(SEARCH_VARIABLE_FLAG);
+    this._searchboxHelpPanel.hidePopup();
+  },
+
+  /**
+   * Called when the variables focus key sequence was pressed.
+   */
+  _doVariablesFocus: function () {
+    this.DebuggerView.showInstrumentsPane();
+    this.DebuggerView.Variables.focusFirstVisibleItem();
+  },
+
+  _searchbox: null,
+  _searchboxHelpPanel: null,
+  _globalOperatorButton: null,
+  _globalOperatorLabel: null,
+  _functionOperatorButton: null,
+  _functionOperatorLabel: null,
+  _tokenOperatorButton: null,
+  _tokenOperatorLabel: null,
+  _lineOperatorButton: null,
+  _lineOperatorLabel: null,
+  _variableOperatorButton: null,
+  _variableOperatorLabel: null,
+  _fileSearchKey: "",
+  _globalSearchKey: "",
+  _filteredFunctionsKey: "",
+  _tokenSearchKey: "",
+  _lineSearchKey: "",
+  _variableSearchKey: "",
+};
+
+/**
+ * Functions handling the filtered sources UI.
+ */
+function FilteredSourcesView(DebuggerView) {
+  dumpn("FilteredSourcesView was instantiated");
+
+  this.DebuggerView = DebuggerView;
+
+  this._onClick = this._onClick.bind(this);
+  this._onSelect = this._onSelect.bind(this);
+}
+
+FilteredSourcesView.prototype = Heritage.extend(ResultsPanelContainer.prototype, {
+  /**
+   * Initialization function, called when the debugger is started.
+   */
+  initialize: function () {
+    dumpn("Initializing the FilteredSourcesView");
+
+    this.anchor = document.getElementById("searchbox");
+    this.widget.addEventListener("select", this._onSelect, false);
+    this.widget.addEventListener("click", this._onClick, false);
+  },
+
+  /**
+   * Destruction function, called when the debugger is closed.
+   */
+  destroy: function () {
+    dumpn("Destroying the FilteredSourcesView");
+
+    this.widget.removeEventListener("select", this._onSelect, false);
+    this.widget.removeEventListener("click", this._onClick, false);
+    this.anchor = null;
+  },
+
+  /**
+   * Schedules searching for a source.
+   *
+   * @param string aToken
+   *        The function to search for.
+   * @param number aWait
+   *        The amount of milliseconds to wait until draining.
+   */
+  scheduleSearch: function (aToken, aWait) {
+    // The amount of time to wait for the requests to settle.
+    let maxDelay = FILE_SEARCH_ACTION_MAX_DELAY;
+    let delay = aWait === undefined ? maxDelay / aToken.length : aWait;
+
+    // Allow requests to settle down first.
+    setNamedTimeout("sources-search", delay, () => this._doSearch(aToken));
+  },
+
+  /**
+   * Finds file matches in all the displayed sources.
+   *
+   * @param string aToken
+   *        The string to search for.
+   */
+  _doSearch: function (aToken, aStore = []) {
+    // Don't continue filtering if the searched token is an empty string.
+    // In contrast with function searching, in this case we don't want to
+    // show a list of all the files when no search token was supplied.
+    if (!aToken) {
+      return;
+    }
+
+    for (let item of this.DebuggerView.Sources.items) {
+      let lowerCaseLabel = item.attachment.label.toLowerCase();
+      let lowerCaseToken = aToken.toLowerCase();
+      if (lowerCaseLabel.match(lowerCaseToken)) {
+        aStore.push(item);
+      }
+
+      // Once the maximum allowed number of results is reached, proceed
+      // with building the UI immediately.
+      if (aStore.length >= RESULTS_PANEL_MAX_RESULTS) {
+        this._syncView(aStore);
+        return;
+      }
+    }
+
+    // Couldn't reach the maximum allowed number of results, but that's ok,
+    // continue building the UI.
+    this._syncView(aStore);
+  },
+
+  /**
+   * Updates the list of sources displayed in this container.
+   *
+   * @param array aSearchResults
+   *        The results array, containing search details for each source.
+   */
+  _syncView: function (aSearchResults) {
+    // If there are no matches found, keep the popup hidden and avoid
+    // creating the view.
+    if (!aSearchResults.length) {
+      window.emit(EVENTS.FILE_SEARCH_MATCH_NOT_FOUND);
+      return;
+    }
+
+    for (let item of aSearchResults) {
+      let url = item.attachment.source.url;
+
+      if (url) {
+        // Create the element node for the location item.
+        let itemView = this._createItemView(
+          SourceUtils.trimUrlLength(item.attachment.label),
+          SourceUtils.trimUrlLength(url, 0, "start")
+        );
+
+        // Append a location item to this container for each match.
+        this.push([itemView], {
+          index: -1, /* specifies on which position should the item be appended */
+          attachment: {
+            url: url
+          }
+        });
+      }
+    }
+
+    // There's at least one item displayed in this container. Don't select it
+    // automatically if not forced (by tests) or in tandem with an
+    // operator.
+    if (this._autoSelectFirstItem || this.DebuggerView.Filtering.searchOperator) {
+      this.selectedIndex = 0;
+    }
+    this.hidden = false;
+
+    // Signal that file search matches were found and displayed.
+    window.emit(EVENTS.FILE_SEARCH_MATCH_FOUND);
+  },
+
+  /**
+   * The click listener for this container.
+   */
+  _onClick: function (e) {
+    let locationItem = this.getItemForElement(e.target);
+    if (locationItem) {
+      this.selectedItem = locationItem;
+      this.DebuggerView.Filtering.clearSearch();
+    }
+  },
+
+  /**
+   * The select listener for this container.
+   *
+   * @param object aItem
+   *        The item associated with the element to select.
+   */
+  _onSelect: function ({ detail: locationItem }) {
+    if (locationItem) {
+      let source = queries.getSourceByURL(DebuggerController.getState(),
+                                          locationItem.attachment.url);
+      this.DebuggerView.setEditorLocation(source.actor, undefined, {
+        noCaret: true,
+        noDebug: true
+      });
+    }
+  }
+});
+
+/**
+ * Functions handling the function search UI.
+ */
+function FilteredFunctionsView(SourceScripts, Parser, DebuggerView) {
+  dumpn("FilteredFunctionsView was instantiated");
+
+  this.SourceScripts = SourceScripts;
+  this.Parser = Parser;
+  this.DebuggerView = DebuggerView;
+
+  this._onClick = this._onClick.bind(this);
+  this._onSelect = this._onSelect.bind(this);
+}
+
+FilteredFunctionsView.prototype = Heritage.extend(ResultsPanelContainer.prototype, {
+  /**
+   * Initialization function, called when the debugger is started.
+   */
+  initialize: function () {
+    dumpn("Initializing the FilteredFunctionsView");
+
+    this.anchor = document.getElementById("searchbox");
+    this.widget.addEventListener("select", this._onSelect, false);
+    this.widget.addEventListener("click", this._onClick, false);
+  },
+
+  /**
+   * Destruction function, called when the debugger is closed.
+   */
+  destroy: function () {
+    dumpn("Destroying the FilteredFunctionsView");
+
+    this.widget.removeEventListener("select", this._onSelect, false);
+    this.widget.removeEventListener("click", this._onClick, false);
+    this.anchor = null;
+  },
+
+  /**
+   * Schedules searching for a function in all of the sources.
+   *
+   * @param string aToken
+   *        The function to search for.
+   * @param number aWait
+   *        The amount of milliseconds to wait until draining.
+   */
+  scheduleSearch: function (aToken, aWait) {
+    // The amount of time to wait for the requests to settle.
+    let maxDelay = FUNCTION_SEARCH_ACTION_MAX_DELAY;
+    let delay = aWait === undefined ? maxDelay / aToken.length : aWait;
+
+    // Allow requests to settle down first.
+    setNamedTimeout("function-search", delay, () => {
+      // Start fetching as many sources as possible, then perform the search.
+      let actors = this.DebuggerView.Sources.values;
+      let sourcesFetched = DebuggerController.dispatch(actions.getTextForSources(actors));
+      sourcesFetched.then(aSources => this._doSearch(aToken, aSources));
+    });
+  },
+
+  /**
+   * Finds function matches in all the sources stored in the cache, and groups
+   * them by location and line number.
+   *
+   * @param string aToken
+   *        The string to search for.
+   * @param array aSources
+   *        An array of [url, text] tuples for each source.
+   */
+  _doSearch: function (aToken, aSources, aStore = []) {
+    // Continue parsing even if the searched token is an empty string, to
+    // cache the syntax tree nodes generated by the reflection API.
+
+    // Make sure the currently displayed source is parsed first. Once the
+    // maximum allowed number of results are found, parsing will be halted.
+    let currentActor = this.DebuggerView.Sources.selectedValue;
+    let currentSource = aSources.filter(([actor]) => actor == currentActor)[0];
+    aSources.splice(aSources.indexOf(currentSource), 1);
+    aSources.unshift(currentSource);
+
+    // If not searching for a specific function, only parse the displayed source,
+    // which is now the first item in the sources array.
+    if (!aToken) {
+      aSources.splice(1);
+    }
+
+    for (let [actor, contents] of aSources) {
+      let item = this.DebuggerView.Sources.getItemByValue(actor);
+      let url = item.attachment.source.url;
+      if (!url) {
+        continue;
+      }
+
+      let parsedSource = this.Parser.get(contents, url);
+      let sourceResults = parsedSource.getNamedFunctionDefinitions(aToken);
+
+      for (let scriptResult of sourceResults) {
+        for (let parseResult of scriptResult) {
+          aStore.push({
+            sourceUrl: scriptResult.sourceUrl,
+            scriptOffset: scriptResult.scriptOffset,
+            functionName: parseResult.functionName,
+            functionLocation: parseResult.functionLocation,
+            inferredName: parseResult.inferredName,
+            inferredChain: parseResult.inferredChain,
+            inferredLocation: parseResult.inferredLocation
+          });
+
+          // Once the maximum allowed number of results is reached, proceed
+          // with building the UI immediately.
+          if (aStore.length >= RESULTS_PANEL_MAX_RESULTS) {
+            this._syncView(aStore);
+            return;
+          }
+        }
+      }
+    }
+
+    // Couldn't reach the maximum allowed number of results, but that's ok,
+    // continue building the UI.
+    this._syncView(aStore);
+  },
+
+  /**
+   * Updates the list of functions displayed in this container.
+   *
+   * @param array aSearchResults
+   *        The results array, containing search details for each source.
+   */
+  _syncView: function (aSearchResults) {
+    // If there are no matches found, keep the popup hidden and avoid
+    // creating the view.
+    if (!aSearchResults.length) {
+      window.emit(EVENTS.FUNCTION_SEARCH_MATCH_NOT_FOUND);
+      return;
+    }
+
+    for (let item of aSearchResults) {
+      // Some function expressions don't necessarily have a name, but the
+      // parser provides us with an inferred name from an enclosing
+      // VariableDeclarator, AssignmentExpression, ObjectExpression node.
+      if (item.functionName && item.inferredName &&
+          item.functionName != item.inferredName) {
+        let s = " " + L10N.getStr("functionSearchSeparatorLabel") + " ";
+        item.displayedName = item.inferredName + s + item.functionName;
+      }
+      // The function doesn't have an explicit name, but it could be inferred.
+      else if (item.inferredName) {
+        item.displayedName = item.inferredName;
+      }
+      // The function only has an explicit name.
+      else {
+        item.displayedName = item.functionName;
+      }
+
+      // Some function expressions have unexpected bounds, since they may not
+      // necessarily have an associated name defining them.
+      if (item.inferredLocation) {
+        item.actualLocation = item.inferredLocation;
+      } else {
+        item.actualLocation = item.functionLocation;
+      }
+
+      // Create the element node for the function item.
+      let itemView = this._createItemView(
+        SourceUtils.trimUrlLength(item.displayedName + "()"),
+        SourceUtils.trimUrlLength(item.sourceUrl, 0, "start"),
+        (item.inferredChain || []).join(".")
+      );
+
+      // Append a function item to this container for each match.
+      this.push([itemView], {
+        index: -1, /* specifies on which position should the item be appended */
+        attachment: item
+      });
+    }
+
+    // There's at least one item displayed in this container. Don't select it
+    // automatically if not forced (by tests).
+    if (this._autoSelectFirstItem) {
+      this.selectedIndex = 0;
+    }
+    this.hidden = false;
+
+    // Signal that function search matches were found and displayed.
+    window.emit(EVENTS.FUNCTION_SEARCH_MATCH_FOUND);
+  },
+
+  /**
+   * The click listener for this container.
+   */
+  _onClick: function (e) {
+    let functionItem = this.getItemForElement(e.target);
+    if (functionItem) {
+      this.selectedItem = functionItem;
+      this.DebuggerView.Filtering.clearSearch();
+    }
+  },
+
+  /**
+   * The select listener for this container.
+   */
+  _onSelect: function ({ detail: functionItem }) {
+    if (functionItem) {
+      let sourceUrl = functionItem.attachment.sourceUrl;
+      let actor = queries.getSourceByURL(DebuggerController.getState(), sourceUrl).actor;
+      let scriptOffset = functionItem.attachment.scriptOffset;
+      let actualLocation = functionItem.attachment.actualLocation;
+
+      this.DebuggerView.setEditorLocation(actor, actualLocation.start.line, {
+        charOffset: scriptOffset,
+        columnOffset: actualLocation.start.column,
+        align: "center",
+        noDebug: true
+      });
+    }
+  },
+
+  _searchTimeout: null,
+  _searchFunction: null,
+  _searchedToken: ""
+});
+
+DebuggerView.Filtering = new FilterView(DebuggerController, DebuggerView);