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/*
* 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.FontView = function(resource)
{
WebInspector.ResourceView.call(this, resource);
this.element.addStyleClass("font");
var uniqueFontName = "WebInspectorFontPreview" + this.resource.identifier;
this.fontStyleElement = document.createElement("style");
this.fontStyleElement.textContent = "@font-face { font-family: \"" + uniqueFontName + "\"; src: url(" + this.resource.url + "); }";
document.head.appendChild(this.fontStyleElement);
this.fontPreviewElement = document.createElement("div");
this.fontPreviewElement.className = "preview";
this.contentElement.appendChild(this.fontPreviewElement);
this.fontPreviewElement.style.setProperty("font-family", uniqueFontName, null);
this.fontPreviewElement.innerHTML = "ABCDEFGHIJKLM<br>NOPQRSTUVWXYZ<br>abcdefghijklm<br>nopqrstuvwxyz<br>1234567890";
this.updateFontPreviewSize();
}
WebInspector.FontView.prototype = {
show: function(parentElement)
{
WebInspector.ResourceView.prototype.show.call(this, parentElement);
this.updateFontPreviewSize();
},
resize: function()
{
this.updateFontPreviewSize();
},
updateFontPreviewSize: function ()
{
if (!this.fontPreviewElement || !this.visible)
return;
this.fontPreviewElement.removeStyleClass("preview");
var measureFontSize = 50;
this.fontPreviewElement.style.setProperty("position", "absolute", null);
this.fontPreviewElement.style.setProperty("font-size", measureFontSize + "px", null);
this.fontPreviewElement.style.removeProperty("height");
var height = this.fontPreviewElement.offsetHeight;
var width = this.fontPreviewElement.offsetWidth;
var containerWidth = this.contentElement.offsetWidth;
// Subtract some padding. This should match the padding in the CSS plus room for the scrollbar.
containerWidth -= 40;
if (!height || !width || !containerWidth) {
this.fontPreviewElement.style.removeProperty("font-size");
this.fontPreviewElement.style.removeProperty("position");
this.fontPreviewElement.addStyleClass("preview");
return;
}
var lineCount = this.fontPreviewElement.getElementsByTagName("br").length + 1;
var realLineHeight = Math.floor(height / lineCount);
var fontSizeLineRatio = measureFontSize / realLineHeight;
var widthRatio = containerWidth / width;
var finalFontSize = Math.floor(realLineHeight * widthRatio * fontSizeLineRatio) - 1;
this.fontPreviewElement.style.setProperty("font-size", finalFontSize + "px", null);
this.fontPreviewElement.style.setProperty("height", this.fontPreviewElement.offsetHeight + "px", null);
this.fontPreviewElement.style.removeProperty("position");
this.fontPreviewElement.addStyleClass("preview");
}
}
WebInspector.FontView.prototype.__proto__ = WebInspector.ResourceView.prototype;
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