110 lines
4.5 KiB
JavaScript
110 lines
4.5 KiB
JavaScript
/*
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* Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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WebInspector.FontView = function(resource)
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{
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WebInspector.ResourceView.call(this, resource);
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this.element.addStyleClass("font");
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}
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WebInspector.FontView.prototype = {
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hasContent: function()
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{
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return true;
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},
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_createContentIfNeeded: function()
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{
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if (this.fontPreviewElement)
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return;
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var uniqueFontName = "WebInspectorFontPreview" + this.resource.identifier;
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this.fontStyleElement = document.createElement("style");
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this.fontStyleElement.textContent = "@font-face { font-family: \"" + uniqueFontName + "\"; src: url(" + this.resource.url + "); }";
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document.head.appendChild(this.fontStyleElement);
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this.fontPreviewElement = document.createElement("div");
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this.element.appendChild(this.fontPreviewElement);
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this.fontPreviewElement.style.setProperty("font-family", uniqueFontName, null);
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this.fontPreviewElement.innerHTML = "ABCDEFGHIJKLM<br>NOPQRSTUVWXYZ<br>abcdefghijklm<br>nopqrstuvwxyz<br>1234567890";
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this._lineCount = this.fontPreviewElement.getElementsByTagName("br").length + 1;
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this.updateFontPreviewSize();
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},
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show: function(parentElement)
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{
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WebInspector.ResourceView.prototype.show.call(this, parentElement);
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this._createContentIfNeeded();
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this.updateFontPreviewSize();
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},
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resize: function()
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{
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this.updateFontPreviewSize();
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WebInspector.ResourceView.prototype.resize.call(this);
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},
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updateFontPreviewSize: function()
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{
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if (!this.fontPreviewElement || !this.visible)
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return;
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var measureFontSize = 50;
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this.fontPreviewElement.style.setProperty("font-size", measureFontSize + "px", null);
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this.fontPreviewElement.style.setProperty("position", "absolute", null);
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this.fontPreviewElement.style.removeProperty("height");
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var height = this.fontPreviewElement.offsetHeight;
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var width = this.fontPreviewElement.offsetWidth;
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// Subtract some padding. This should match the padding in the CSS plus room for the scrollbar.
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var containerWidth = this.element.offsetWidth - 50;
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if (!height || !width || !containerWidth) {
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this.fontPreviewElement.style.removeProperty("font-size");
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this.fontPreviewElement.style.removeProperty("position");
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return;
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}
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var realLineHeight = Math.floor(height / this._lineCount);
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var fontSizeLineRatio = measureFontSize / realLineHeight;
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var widthRatio = containerWidth / width;
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var finalFontSize = Math.floor(realLineHeight * widthRatio * fontSizeLineRatio) - 2;
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this.fontPreviewElement.style.setProperty("font-size", finalFontSize + "px", null);
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this.fontPreviewElement.style.setProperty("height", this.fontPreviewElement.offsetHeight + "px", null);
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this.fontPreviewElement.style.removeProperty("position");
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}
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}
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WebInspector.FontView.prototype.__proto__ = WebInspector.ResourceView.prototype;
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