/*
 * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
 * Copyright (C) IBM Corp. 2009  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.ResourceView = function(resource)
{
    WebInspector.View.call(this);
    this.element.addStyleClass("resource-view");
    this.resource = resource;
}

WebInspector.ResourceView.prototype = {
    hasContent: function()
    {
        return false;
    }
}

WebInspector.ResourceView.prototype.__proto__ = WebInspector.View.prototype;

WebInspector.ResourceView.createResourceView = function(resource)
{
    function sourceFrameForDelegateAndURL(delegate, url)
    {
        var view = new WebInspector.SourceFrame(delegate, url);
        view.resource = resource;
        return view;
    }

    switch (resource.category) {
    case WebInspector.resourceCategories.documents:
    case WebInspector.resourceCategories.scripts:
    case WebInspector.resourceCategories.xhr:
        return sourceFrameForDelegateAndURL(new WebInspector.SourceFrameDelegateForResourcesPanel(resource), resource.url);
    case WebInspector.resourceCategories.stylesheets:
        return sourceFrameForDelegateAndURL(new WebInspector.CSSSourceFrameDelegateForResourcesPanel(resource), resource.url);
    case WebInspector.resourceCategories.images:
        return new WebInspector.ImageView(resource);
    case WebInspector.resourceCategories.fonts:
        return new WebInspector.FontView(resource);
    default:
        return new WebInspector.ResourceView(resource);
    }
}

WebInspector.ResourceView.resourceViewTypeMatchesResource = function(resource)
{
    var resourceView = resource._resourcesView;
    switch (resource.category) {
    case WebInspector.resourceCategories.documents:
    case WebInspector.resourceCategories.stylesheets:
    case WebInspector.resourceCategories.scripts:
    case WebInspector.resourceCategories.xhr:
        return resourceView.__proto__ === WebInspector.SourceFrame.prototype;
    case WebInspector.resourceCategories.images:
        return resourceView.__proto__ === WebInspector.ImageView.prototype;
    case WebInspector.resourceCategories.fonts:
        return resourceView.__proto__ === WebInspector.FontView.prototype;
    default:
        return resourceView.__proto__ === WebInspector.ResourceView.prototype;
    }
}

WebInspector.ResourceView.resourceViewForResource = function(resource)
{
    if (!resource)
        return null;
    if (!resource._resourcesView)
        resource._resourcesView = WebInspector.ResourceView.createResourceView(resource);
    return resource._resourcesView;
}

WebInspector.ResourceView.recreateResourceView = function(resource)
{
    var newView = WebInspector.ResourceView.createResourceView(resource);

    var oldView = resource._resourcesView;
    var oldViewParentNode = oldView.visible ? oldView.element.parentNode : null;
    var scrollTop = oldView.scrollTop;

    resource._resourcesView.detach();
    delete resource._resourcesView;

    resource._resourcesView = newView;

    if (oldViewParentNode)
        newView.show(oldViewParentNode);
    if (scrollTop)
        newView.scrollTop = scrollTop;

    return newView;
}

WebInspector.ResourceView.existingResourceViewForResource = function(resource)
{
    if (!resource)
        return null;
    return resource._resourcesView;
}


WebInspector.SourceFrameDelegateForResourcesPanel = function(resource)
{
    WebInspector.SourceFrameDelegate.call(this);
    this._resource = resource;
}

//This is a map from resource.type to mime types
//found in WebInspector.SourceTokenizer.Registry.
WebInspector.SourceFrameDelegateForResourcesPanel.DefaultMIMETypeForResourceType = {
    0: "text/html",
    1: "text/css",
    4: "text/javascript"
}

WebInspector.SourceFrameDelegateForResourcesPanel.prototype = {
    requestContent: function(callback)
    {
        function contentLoaded(text)
        {
            var mimeType = WebInspector.SourceFrameDelegateForResourcesPanel.DefaultMIMETypeForResourceType[this._resource.type] || this._resource.mimeType;
            var sourceMapping = new WebInspector.IdenticalSourceMapping();
            callback(mimeType, new WebInspector.SourceFrameContent(text, sourceMapping, []));
        }
        this._resource.requestContent(contentLoaded.bind(this));
    }
}

WebInspector.SourceFrameDelegateForResourcesPanel.prototype.__proto__ = WebInspector.SourceFrameDelegate.prototype;


WebInspector.CSSSourceFrameDelegateForResourcesPanel = function(resource)
{
    WebInspector.SourceFrameDelegateForResourcesPanel.call(this, resource);
}

WebInspector.CSSSourceFrameDelegateForResourcesPanel.prototype = {
    canEditScriptSource: function()
    {
        return true;
    },

    editScriptSource: function(newText)
    {
        function handleStyleSheet(newText, styleSheet)
        {
            this._styleSheet = styleSheet;
            this._saveStyleSheet(newText);
        }

        function handleInfos(newText, error, infos)
        {
            if (error)
                return;
            for (var i = 0; i < infos.length; ++i) {
                var info = infos[i];
                if (info.sourceURL === this._resource.url) {
                    WebInspector.CSSStyleSheet.createForId(info.styleSheetId, handleStyleSheet.bind(this, newText));
                    break;
                }
            }
        }

        if (this._styleSheet)
            this._saveStyleSheet(newText);
        else
            CSSAgent.getAllStyleSheets(handleInfos.bind(this, newText));
    },

    _saveStyleSheet: function(newText)
    {
        function callback(success)
        {
            if (!success)
                console.error("Failed to save modified stylesheet %s", this._resource.url);
        }

        this._styleSheet.setText(newText, callback.bind(this));
    }
}

WebInspector.CSSSourceFrameDelegateForResourcesPanel.prototype.__proto__ = WebInspector.SourceFrameDelegateForResourcesPanel.prototype;