/* | |
* 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; |