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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2017-06-27 06:07:23 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2017-06-27 06:07:23 +0000 |
commit | 1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c (patch) | |
tree | 46dcd36c86e7fbc6e5df36deb463b33e9967a6f7 /Source/WebCore/Modules/modern-media-controls/controls/scrubber.js | |
parent | 32761a6cee1d0dee366b885b7b9c777e67885688 (diff) | |
download | WebKitGtk-tarball-master.tar.gz |
webkitgtk-2.16.5HEADwebkitgtk-2.16.5master
Diffstat (limited to 'Source/WebCore/Modules/modern-media-controls/controls/scrubber.js')
-rw-r--r-- | Source/WebCore/Modules/modern-media-controls/controls/scrubber.js | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/Source/WebCore/Modules/modern-media-controls/controls/scrubber.js b/Source/WebCore/Modules/modern-media-controls/controls/scrubber.js new file mode 100644 index 000000000..499399636 --- /dev/null +++ b/Source/WebCore/Modules/modern-media-controls/controls/scrubber.js @@ -0,0 +1,156 @@ +/* + * Copyright (C) 2016 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. ``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 + * 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. + */ + +class Scrubber extends Slider +{ + + constructor(layoutDelegate) + { + super({ + cssClassName: "scrubber", + layoutDelegate + }); + + this.height = 23; + + // Add the element used to draw the track on iOS. + if (this.layoutTraits & LayoutTraits.iOS) + this.addChild(new LayoutNode(`<div></div>`), 0); + + this._buffered = 0; + } + + // Public + + get buffered() + { + return this._buffered; + } + + set buffered(buffered) + { + if (this._buffered === buffered) + return; + + this._buffered = buffered; + this.needsLayout = true; + } + + // Protected + + draw(ctx) + { + const width = this.width; + const height = this.height; + + if (!this.width || !this.height) + return; + + const dpr = window.devicePixelRatio; + + ctx.save(); + ctx.scale(dpr, dpr); + ctx.clearRect(0, 0, width, height); + + const layoutTraits = this.layoutTraits; + if (layoutTraits & LayoutTraits.macOS) + this._drawMacOS(ctx, width, height); + else if (layoutTraits & LayoutTraits.iOS) + this._drawiOS(ctx, width, height); + + ctx.restore(); + } + + _drawMacOS(ctx, width, height) + { + const trackHeight = 3; + const trackY = (height - trackHeight) / 2; + const scrubberWidth = 4; + const scrubberHeight = height; + const borderSize = 2; + const scrubberPosition = Math.max(0, Math.min(width - scrubberWidth, Math.round(width * this.value))); + + // Draw background. + ctx.save(); + ctx.beginPath(); + addRoundedRect(ctx, 0, trackY, width, trackHeight, trackHeight / 2); + ctx.closePath(); + ctx.clip(); + ctx.fillStyle = "rgb(20, 20, 20)"; + ctx.fillRect(0, 0, width, height); + ctx.restore(); + + // Buffered. + ctx.save(); + ctx.beginPath(); + addRoundedRect(ctx, 0, trackY, width, trackHeight, trackHeight / 2); + ctx.closePath(); + ctx.clip(); + ctx.fillStyle = "rgb(39, 39, 39)"; + ctx.fillRect(0, 0, width * this._buffered, height); + ctx.restore(); + + // Draw played section. + ctx.save(); + ctx.beginPath(); + addRoundedRect(ctx, 0, trackY, width, trackHeight, trackHeight / 2); + ctx.closePath(); + ctx.clip(); + ctx.fillStyle = "rgb(84, 84, 84)"; + ctx.fillRect(0, 0, width * this.value, height); + ctx.restore(); + + // Draw the scrubber. + ctx.save(); + ctx.clearRect(scrubberPosition - 1, 0, scrubberWidth + borderSize, height, 0); + ctx.beginPath(); + addRoundedRect(ctx, scrubberPosition, 0, scrubberWidth, scrubberHeight, 1); + ctx.closePath(); + ctx.clip(); + ctx.fillStyle = "rgb(138, 138, 138)"; + ctx.fillRect(0, 0, width, height); + ctx.restore(); + } + + _drawiOS(ctx, width, height) + { + const trackHeight = 3; + const trackY = (height - trackHeight) / 2; + const scrubberWidth = 15; + const leftPadding = 2; + const rightPadding = 2; + const trackWidth = this.width - leftPadding - rightPadding - scrubberWidth; + + // Draw played section. + ctx.save(); + ctx.beginPath(); + addRoundedRect(ctx, leftPadding, trackY, scrubberWidth / 2 + trackWidth * this.value, trackHeight, trackHeight / 2); + ctx.closePath(); + ctx.fillStyle = "white"; + ctx.fill(); + ctx.restore(); + } + +} |