/*
 * Copyright (C) 2021 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

WI.ExtensionTabActivationDiagnosticEventRecorder = class ExtensionTabActivationDiagnosticEventRecorder extends WI.DiagnosticEventRecorder
{
    constructor(controller)
    {
        super("ExtensionTabActivation", controller);

        this._reportedExtensionTabIDs = new Set;
    }

    // Protected

    setup()
    {
        WI.tabBrowser.addEventListener(WI.TabBrowser.Event.SelectedTabContentViewDidChange, this._selectedTabContentViewDidChange, this);
    }

    teardown()
    {
        WI.tabBrowser.removeEventListener(WI.TabBrowser.Event.SelectedTabContentViewDidChange, this._selectedTabContentViewDidChange, this);
    }

    // Private

    _selectedTabContentViewDidChange(event)
    {
        let selectedTab = event.data.incomingTab;
        if (!(selectedTab instanceof WI.WebInspectorExtensionTabContentView))
            return;

        let extension = selectedTab.extension;
        console.assert(extension instanceof WI.WebInspectorExtension, "Extension tab should have an associated extension.");

        // Only report the first selection of an extension tab.
        if (this._reportedExtensionTabIDs.has(selectedTab.extensionTabID))
            return;

        this._reportedExtensionTabIDs.add(selectedTab.extensionTabID);

        this.logDiagnosticEvent(this.name, {
            extensionBundleIdentifier: extension.extensionBundleIdentifier,
            extensionTabName: selectedTab.tabInfo().displayName,
            activeExtensionTabCount: WI.sharedApp.extensionController.activeExtensionTabContentViews().length,
        });
    }
};