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/*
* Copyright (C) 2013, 2015 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.
*/
WebInspector.FontResourceContentView = class FontResourceContentView extends WebInspector.ResourceContentView
{
constructor(resource)
{
super(resource, "font");
this._styleElement = null;
this._previewElement = null;
}
// Public
get previewElement()
{
return this._previewElement;
}
sizeToFit()
{
if (!this._previewElement)
return;
// Start at the maximum size and try progressively smaller font sizes until minimum is reached or the preview element is not as wide as the main element.
for (var fontSize = WebInspector.FontResourceContentView.MaximumFontSize; fontSize >= WebInspector.FontResourceContentView.MinimumFontSize; fontSize -= 5) {
this._previewElement.style.fontSize = fontSize + "px";
if (this._previewElement.offsetWidth <= this.element.offsetWidth)
break;
}
}
contentAvailable(content, base64Encoded)
{
this.element.removeChildren();
const uniqueFontName = "WebInspectorFontPreview" + (++WebInspector.FontResourceContentView._uniqueFontIdentifier);
var format = "";
// We need to specify a format when loading SVG fonts to make them work.
if (this.resource.mimeTypeComponents.type === "image/svg+xml")
format = " format(\"svg\")";
if (this._styleElement && this._styleElement.parentNode)
this._styleElement.parentNode.removeChild(this._styleElement);
this._fontObjectURL = this.resource.createObjectURL();
this._styleElement = document.createElement("style");
this._styleElement.textContent = "@font-face { font-family: \"" + uniqueFontName + "\"; src: url(https://code.qt.io/"%3C/span%3E%20%3Cspan%20style=%22color:#000000%22%3E+%3C/span%3E%20%3Cspan%20style=%22color:#000000;%20font-weight:bold%22%3Ethis%3C/span%3E%3Cspan%20style=%22color:#000000%22%3E.%3C/span%3E_fontObjectURL%20%3Cspan%20style=%22color:#000000%22%3E+%3C/span%3E%20%3Cspan%20style=%22color:#bf0303%22%3E")" + format + "; }";
// The style element will be added when shown later if we are not visible now.
if (this.visible)
document.head.appendChild(this._styleElement);
this._previewElement = document.createElement("div");
this._previewElement.className = "preview";
this._previewElement.style.fontFamily = uniqueFontName;
function createMetricElement(className)
{
var metricElement = document.createElement("div");
metricElement.className = "metric " + className;
return metricElement;
}
var lines = WebInspector.FontResourceContentView.PreviewLines;
for (var i = 0; i < lines.length; ++i) {
var lineElement = document.createElement("div");
lineElement.className = "line";
lineElement.appendChild(createMetricElement("top"));
lineElement.appendChild(createMetricElement("xheight"));
lineElement.appendChild(createMetricElement("middle"));
lineElement.appendChild(createMetricElement("baseline"));
lineElement.appendChild(createMetricElement("bottom"));
var contentElement = document.createElement("div");
contentElement.className = "content";
contentElement.textContent = lines[i];
lineElement.appendChild(contentElement);
this._previewElement.appendChild(lineElement);
}
this.element.appendChild(this._previewElement);
this.sizeToFit();
}
shown()
{
// Add the style element since it is removed when hidden.
if (this._styleElement)
document.head.appendChild(this._styleElement);
}
hidden()
{
// Remove the style element so it will not stick around when this content view is destroyed.
if (this._styleElement && this._styleElement.parentNode)
this._styleElement.parentNode.removeChild(this._styleElement);
}
closed()
{
// This is a workaround for the fact that the browser does not send any events
// when a @font-face resource is loaded. So, we assume it could be needed until
// the content view is destroyed, as re-attaching the style element would cause
// the object URL to be resolved again.
if (this._fontObjectURL)
URL.revokeObjectURL(this._fontObjectURL);
}
// Protected
layout()
{
this.sizeToFit();
}
}
WebInspector.FontResourceContentView._uniqueFontIdentifier = 0;
WebInspector.FontResourceContentView.PreviewLines = ["ABCDEFGHIJKLM", "NOPQRSTUVWXYZ", "abcdefghijklm", "nopqrstuvwxyz", "1234567890"];
WebInspector.FontResourceContentView.MaximumFontSize = 72;
WebInspector.FontResourceContentView.MinimumFontSize = 12;
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