Add m-esr52 at 52.6.0

1 files changed, 411 insertions, 0 deletions

diff --git a/devtools/client/performance/performance-view.js b/devtools/client/performance/performance-view.js
new file mode 100644
index 000000000..f490dda5f
--- /dev/null
+++ b/devtools/client/performance/performance-view.js
@@ -0,0 +1,411 @@
+/* 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 performance-controller.js */
+/* globals OverviewView, window */
+"use strict";
+/**
+ * Master view handler for the performance tool.
+ */
+var PerformanceView = {
+
+  _state: null,
+
+  // Set to true if the front emits a "buffer-status" event, indicating
+  // that the server has support for determining buffer status.
+  _bufferStatusSupported: false,
+
+  // Mapping of state to selectors for different properties and their values,
+  // from the main profiler view. Used in `PerformanceView.setState()`
+  states: {
+    "unavailable": [
+      {
+        sel: "#performance-view",
+        opt: "selectedPanel",
+        val: () => $("#unavailable-notice")
+      },
+      {
+        sel: "#performance-view-content",
+        opt: "hidden",
+        val: () => true
+      },
+    ],
+    "empty": [
+      {
+        sel: "#performance-view",
+        opt: "selectedPanel",
+        val: () => $("#empty-notice")
+      },
+      {
+        sel: "#performance-view-content",
+        opt: "hidden",
+        val: () => true
+      },
+    ],
+    "recording": [
+      {
+        sel: "#performance-view",
+        opt: "selectedPanel",
+        val: () => $("#performance-view-content")
+      },
+      {
+        sel: "#performance-view-content",
+        opt: "hidden",
+        val: () => false
+      },
+      {
+        sel: "#details-pane-container",
+        opt: "selectedPanel",
+        val: () => $("#recording-notice")
+      },
+    ],
+    "console-recording": [
+      {
+        sel: "#performance-view",
+        opt: "selectedPanel",
+        val: () => $("#performance-view-content")
+      },
+      {
+        sel: "#performance-view-content",
+        opt: "hidden",
+        val: () => false
+      },
+      {
+        sel: "#details-pane-container",
+        opt: "selectedPanel",
+        val: () => $("#console-recording-notice")
+      },
+    ],
+    "recorded": [
+      {
+        sel: "#performance-view",
+        opt: "selectedPanel",
+        val: () => $("#performance-view-content")
+      },
+      {
+        sel: "#performance-view-content",
+        opt: "hidden",
+        val: () => false
+      },
+      {
+        sel: "#details-pane-container",
+        opt: "selectedPanel",
+        val: () => $("#details-pane")
+      },
+    ],
+    "loading": [
+      {
+        sel: "#performance-view",
+        opt: "selectedPanel",
+        val: () => $("#performance-view-content")
+      },
+      {
+        sel: "#performance-view-content",
+        opt: "hidden",
+        val: () => false
+      },
+      {
+        sel: "#details-pane-container",
+        opt: "selectedPanel",
+        val: () => $("#loading-notice")
+      },
+    ]
+  },
+
+  /**
+   * Sets up the view with event binding and main subviews.
+   */
+  initialize: Task.async(function* () {
+    this._onRecordButtonClick = this._onRecordButtonClick.bind(this);
+    this._onImportButtonClick = this._onImportButtonClick.bind(this);
+    this._onClearButtonClick = this._onClearButtonClick.bind(this);
+    this._onRecordingSelected = this._onRecordingSelected.bind(this);
+    this._onProfilerStatusUpdated = this._onProfilerStatusUpdated.bind(this);
+    this._onRecordingStateChange = this._onRecordingStateChange.bind(this);
+    this._onNewRecordingFailed = this._onNewRecordingFailed.bind(this);
+
+    // Bind to controller events to unlock the record button
+    PerformanceController.on(EVENTS.RECORDING_SELECTED, this._onRecordingSelected);
+    PerformanceController.on(EVENTS.RECORDING_PROFILER_STATUS_UPDATE,
+                             this._onProfilerStatusUpdated);
+    PerformanceController.on(EVENTS.RECORDING_STATE_CHANGE, this._onRecordingStateChange);
+    PerformanceController.on(EVENTS.RECORDING_ADDED, this._onRecordingStateChange);
+    PerformanceController.on(EVENTS.BACKEND_FAILED_AFTER_RECORDING_START,
+                             this._onNewRecordingFailed);
+
+    if (yield PerformanceController.canCurrentlyRecord()) {
+      this.setState("empty");
+    } else {
+      this.setState("unavailable");
+    }
+
+    // Initialize the ToolbarView first, because other views may need access
+    // to the OptionsView via the controller, to read prefs.
+    yield ToolbarView.initialize();
+    yield RecordingsView.initialize();
+    yield OverviewView.initialize();
+    yield DetailsView.initialize();
+
+    // DE-XUL: Begin migrating the toolbar to React. Temporarily hold state here.
+    this._recordingControlsState = {
+      onRecordButtonClick: this._onRecordButtonClick,
+      onImportButtonClick: this._onImportButtonClick,
+      onClearButtonClick: this._onClearButtonClick,
+      isRecording: false,
+      isDisabled: false
+    };
+    // Mount to an HTML element.
+    const {createHtmlMount} = PerformanceUtils;
+    this._recordingControlsMount = createHtmlMount($("#recording-controls-mount"));
+    this._recordingButtonsMounts = Array.from($$(".recording-button-mount"))
+                                        .map(createHtmlMount);
+
+    this._renderRecordingControls();
+  }),
+
+  /**
+   * DE-XUL: Render the recording controls and buttons using React.
+   */
+  _renderRecordingControls: function () {
+    ReactDOM.render(RecordingControls(this._recordingControlsState),
+                    this._recordingControlsMount);
+    for (let button of this._recordingButtonsMounts) {
+      ReactDOM.render(RecordingButton(this._recordingControlsState), button);
+    }
+  },
+
+  /**
+   * Unbinds events and destroys subviews.
+   */
+  destroy: Task.async(function* () {
+    PerformanceController.off(EVENTS.RECORDING_SELECTED, this._onRecordingSelected);
+    PerformanceController.off(EVENTS.RECORDING_PROFILER_STATUS_UPDATE,
+                              this._onProfilerStatusUpdated);
+    PerformanceController.off(EVENTS.RECORDING_STATE_CHANGE,
+                              this._onRecordingStateChange);
+    PerformanceController.off(EVENTS.RECORDING_ADDED, this._onRecordingStateChange);
+    PerformanceController.off(EVENTS.BACKEND_FAILED_AFTER_RECORDING_START,
+                              this._onNewRecordingFailed);
+
+    yield ToolbarView.destroy();
+    yield RecordingsView.destroy();
+    yield OverviewView.destroy();
+    yield DetailsView.destroy();
+  }),
+
+  /**
+   * Sets the state of the profiler view. Possible options are "unavailable",
+   * "empty", "recording", "console-recording", "recorded".
+   */
+  setState: function (state) {
+    // Make sure that the focus isn't captured on a hidden iframe. This fixes a
+    // XUL bug where shortcuts stop working.
+    const iframes = window.document.querySelectorAll("iframe");
+    for (let iframe of iframes) {
+      iframe.blur();
+    }
+    window.focus();
+
+    let viewConfig = this.states[state];
+    if (!viewConfig) {
+      throw new Error(`Invalid state for PerformanceView: ${state}`);
+    }
+    for (let { sel, opt, val } of viewConfig) {
+      for (let el of $$(sel)) {
+        el[opt] = val();
+      }
+    }
+
+    this._state = state;
+
+    if (state === "console-recording") {
+      let recording = PerformanceController.getCurrentRecording();
+      let label = recording.getLabel() || "";
+
+      // Wrap the label in quotes if it exists for the commands.
+      label = label ? `"${label}"` : "";
+
+      let startCommand = $(".console-profile-recording-notice .console-profile-command");
+      let stopCommand = $(".console-profile-stop-notice .console-profile-command");
+
+      startCommand.value = `console.profile(${label})`;
+      stopCommand.value = `console.profileEnd(${label})`;
+    }
+
+    this.updateBufferStatus();
+    this.emit(EVENTS.UI_STATE_CHANGED, state);
+  },
+
+  /**
+   * Returns the state of the PerformanceView.
+   */
+  getState: function () {
+    return this._state;
+  },
+
+  /**
+   * Updates the displayed buffer status.
+   */
+  updateBufferStatus: function () {
+    // If we've never seen a "buffer-status" event from the front, ignore
+    // and keep the buffer elements hidden.
+    if (!this._bufferStatusSupported) {
+      return;
+    }
+
+    let recording = PerformanceController.getCurrentRecording();
+    if (!recording || !recording.isRecording()) {
+      return;
+    }
+
+    let bufferUsage = PerformanceController.getBufferUsageForRecording(recording) || 0;
+
+    // Normalize to a percentage value
+    let percent = Math.floor(bufferUsage * 100);
+
+    let $container = $("#details-pane-container");
+    let $bufferLabel = $(".buffer-status-message", $container.selectedPanel);
+
+    // Be a little flexible on the buffer status, although not sure how
+    // this could happen, as RecordingModel clamps.
+    if (percent >= 99) {
+      $container.setAttribute("buffer-status", "full");
+    } else {
+      $container.setAttribute("buffer-status", "in-progress");
+    }
+
+    $bufferLabel.value = L10N.getFormatStr("profiler.bufferFull", percent);
+    this.emit(EVENTS.UI_RECORDING_PROFILER_STATUS_RENDERED, percent);
+  },
+
+  /**
+   * Toggles the `locked` attribute on the record buttons based
+   * on `lock`.
+   *
+   * @param {boolean} lock
+   */
+  _lockRecordButtons: function (lock) {
+    this._recordingControlsState.isLocked = lock;
+    this._renderRecordingControls();
+  },
+
+  /*
+   * Toggles the `checked` attribute on the record buttons based
+   * on `activate`.
+   *
+   * @param {boolean} activate
+   */
+  _toggleRecordButtons: function (activate) {
+    this._recordingControlsState.isRecording = !!activate;
+    this._renderRecordingControls();
+  },
+
+  /**
+   * When a recording has started.
+   */
+  _onRecordingStateChange: function () {
+    let currentRecording = PerformanceController.getCurrentRecording();
+    let recordings = PerformanceController.getRecordings();
+
+    this._toggleRecordButtons(recordings.find(r => !r.isConsole() && r.isRecording()));
+    this._lockRecordButtons(recordings.find(r => !r.isConsole() && r.isFinalizing()));
+
+    if (currentRecording && currentRecording.isFinalizing()) {
+      this.setState("loading");
+    }
+    if (currentRecording && currentRecording.isCompleted()) {
+      this.setState("recorded");
+    }
+    if (currentRecording && currentRecording.isRecording()) {
+      this.updateBufferStatus();
+    }
+  },
+
+  /**
+   * When starting a recording has failed.
+   */
+  _onNewRecordingFailed: function (e) {
+    this._lockRecordButtons(false);
+    this._toggleRecordButtons(false);
+  },
+
+  /**
+   * Handler for clicking the clear button.
+   */
+  _onClearButtonClick: function (e) {
+    this.emit(EVENTS.UI_CLEAR_RECORDINGS);
+  },
+
+  /**
+   * Handler for clicking the record button.
+   */
+  _onRecordButtonClick: function (e) {
+    if (this._recordingControlsState.isRecording) {
+      this.emit(EVENTS.UI_STOP_RECORDING);
+    } else {
+      this._lockRecordButtons(true);
+      this._toggleRecordButtons(true);
+      this.emit(EVENTS.UI_START_RECORDING);
+    }
+  },
+
+  /**
+   * Handler for clicking the import button.
+   */
+  _onImportButtonClick: function (e) {
+    let fp = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);
+    fp.init(window, L10N.getStr("recordingsList.importDialogTitle"),
+            Ci.nsIFilePicker.modeOpen);
+    fp.appendFilter(L10N.getStr("recordingsList.saveDialogJSONFilter"), "*.json");
+    fp.appendFilter(L10N.getStr("recordingsList.saveDialogAllFilter"), "*.*");
+
+    if (fp.show() == Ci.nsIFilePicker.returnOK) {
+      this.emit(EVENTS.UI_IMPORT_RECORDING, fp.file);
+    }
+  },
+
+  /**
+   * Fired when a recording is selected. Used to toggle the profiler view state.
+   */
+  _onRecordingSelected: function (_, recording) {
+    if (!recording) {
+      this.setState("empty");
+    } else if (recording.isRecording() && recording.isConsole()) {
+      this.setState("console-recording");
+    } else if (recording.isRecording()) {
+      this.setState("recording");
+    } else {
+      this.setState("recorded");
+    }
+  },
+
+  /**
+   * Fired when the controller has updated information on the buffer's status.
+   * Update the buffer status display if shown.
+   */
+  _onProfilerStatusUpdated: function (_, profilerStatus) {
+    // We only care about buffer status here, so check to see
+    // if it has position.
+    if (!profilerStatus || profilerStatus.position === void 0) {
+      return;
+    }
+    // If this is our first buffer event, set the status and add a class
+    if (!this._bufferStatusSupported) {
+      this._bufferStatusSupported = true;
+      $("#details-pane-container").setAttribute("buffer-status", "in-progress");
+    }
+
+    if (!this.getState("recording") && !this.getState("console-recording")) {
+      return;
+    }
+
+    this.updateBufferStatus();
+  },
+
+  toString: () => "[object PerformanceView]"
+};
+
+/**
+ * Convenient way of emitting events from the view.
+ */
+EventEmitter.decorate(PerformanceView);