resource.js

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
 * Copyright (C) 2007, 2008 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. 
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE 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 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.
 */

WebInspector.Resource = function(requestHeaders, url, domain, path, lastPathComponent, identifier, mainResource, cached)
{
    this.identifier = identifier;

    this.startTime = -1;
    this.endTime = -1;
    this.mainResource = mainResource;
    this.requestHeaders = requestHeaders;
    this.url = url;
    this.domain = domain;
    this.path = path;
    this.lastPathComponent = lastPathComponent;
    this.cached = cached;

    this.category = WebInspector.resourceCategories.other;
}

// Keep these in sync with WebCore::InspectorResource::Type
WebInspector.Resource.Type = {
    Document:   0,
    Stylesheet: 1,
    Image:      2,
    Font:       3,
    Script:     4,
    XHR:        5,
    Other:      6,

    isTextType: function(type)
    {
        return (type === this.Document) || (type === this.Stylesheet) || (type === this.Script) || (type === this.XHR);
    },

    toString: function(type)
    {
        switch (type) {
            case this.Document:
                return WebInspector.UIString("document");
            case this.Stylesheet:
                return WebInspector.UIString("stylesheet");
            case this.Image:
                return WebInspector.UIString("image");
            case this.Font:
                return WebInspector.UIString("font");
            case this.Script:
                return WebInspector.UIString("script");
            case this.XHR:
                return WebInspector.UIString("XHR");
            case this.Other:
            default:
                return WebInspector.UIString("other");
        }
    }
}

WebInspector.Resource.prototype = {
    get url()
    {
        return this._url;
    },

    set url(x)
    {
        if (this._url === x)
            return;

        var oldURL = this._url;
        this._url = x;

        // FIXME: We should make the WebInspector object listen for the "url changed" event.
        // Then resourceURLChanged can be removed.
        WebInspector.resourceURLChanged(this, oldURL);

        this.dispatchEventToListeners("url changed");
    },

    get domain()
    {
        return this._domain;
    },

    set domain(x)
    {
        if (this._domain === x)
            return;
        this._domain = x;
    },

    get lastPathComponent()
    {
        return this._lastPathComponent;
    },

    set lastPathComponent(x)
    {
        if (this._lastPathComponent === x)
            return;
        this._lastPathComponent = x;
        this._lastPathComponentLowerCase = x ? x.toLowerCase() : null;
    },

    get displayName()
    {
        var title = this.lastPathComponent;
        if (!title)
            title = this.displayDomain;
        if (!title && this.url)
            title = this.url.trimURL(WebInspector.mainResource ? WebInspector.mainResource.domain : "");
        if (title === "/")
            title = this.url;
        return title;
    },

    get displayDomain()
    {
        // WebInspector.Database calls this, so don't access more than this.domain.
        if (this.domain && (!WebInspector.mainResource || (WebInspector.mainResource && this.domain !== WebInspector.mainResource.domain)))
            return this.domain;
        return "";
    },

    get startTime()
    {
        return this._startTime || -1;
    },

    set startTime(x)
    {
        if (this._startTime === x)
            return;

        this._startTime = x;

        if (WebInspector.panels.resources)
            WebInspector.panels.resources.refreshResource(this);
    },

    get responseReceivedTime()
    {
        return this._responseReceivedTime || -1;
    },

    set responseReceivedTime(x)
    {
        if (this._responseReceivedTime === x)
            return;

        this._responseReceivedTime = x;

        if (WebInspector.panels.resources)
            WebInspector.panels.resources.refreshResource(this);
    },

    get endTime()
    {
        return this._endTime || -1;
    },

    set endTime(x)
    {
        if (this._endTime === x)
            return;

        this._endTime = x;

        if (WebInspector.panels.resources)
            WebInspector.panels.resources.refreshResource(this);
    },

    get duration()
    {
        if (this._endTime === -1 || this._startTime === -1)
            return -1;
        return this._endTime - this._startTime;
    },

    get latency()
    {
        if (this._responseReceivedTime === -1 || this._startTime === -1)
            return -1;
        return this._responseReceivedTime - this._startTime;
    },

    get contentLength()
    {
        return this._contentLength || 0;
    },

    set contentLength(x)
    {
        if (this._contentLength === x)
            return;

        this._contentLength = x;

        if (WebInspector.panels.resources)
            WebInspector.panels.resources.refreshResource(this);
    },

    get expectedContentLength()
    {
        return this._expectedContentLength || 0;
    },

    set expectedContentLength(x)
    {
        if (this._expectedContentLength === x)
            return;
        this._expectedContentLength = x;
    },

    get finished()
    {
        return this._finished;
    },

    set finished(x)
    {
        if (this._finished === x)
            return;

        this._finished = x;

        if (x) {
            this._checkTips();
            this._checkWarnings();
            this.dispatchEventToListeners("finished");
        }
    },

    get failed()
    {
        return this._failed;
    },

    set failed(x)
    {
        this._failed = x;
    },

    get category()
    {
        return this._category;
    },

    set category(x)
    {
        if (this._category === x)
            return;

        var oldCategory = this._category;
        if (oldCategory)
            oldCategory.removeResource(this);

        this._category = x;

        if (this._category)
            this._category.addResource(this);

        if (WebInspector.panels.resources) {
            WebInspector.panels.resources.refreshResource(this);
            WebInspector.panels.resources.recreateViewForResourceIfNeeded(this);
        }
    },

    get mimeType()
    {
        return this._mimeType;
    },

    set mimeType(x)
    {
        if (this._mimeType === x)
            return;

        this._mimeType = x;
    },

    get type()
    {
        return this._type;
    },

    set type(x)
    {
        if (this._type === x)