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Add a |textlayerrendered| event

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This commit is contained in:
Jonas Jenwald 2014-12-31 13:10:59 +01:00
parent 34203e5367
commit 3f061cef86
2 changed files with 30 additions and 14 deletions
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15
web/text_layer_builder.js
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@ -46,6 +46,7 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
this.renderingDone = false;
this.divContentDone = false;
this.pageIdx = options.pageIndex;
this.pageNumber = this.pageIdx + 1;
this.matches = [];
this.viewport = options.viewport;
this.textDivs = [];
@ -53,6 +54,16 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
}
TextLayerBuilder.prototype = {
_finishRendering: function TextLayerBuilder_finishRendering() {
this.renderingDone = true;
var event = document.createEvent('CustomEvent');
event.initCustomEvent('textlayerrendered', true, true, {
pageNumber: this.pageNumber
});
this.textLayerDiv.dispatchEvent(event);
},
renderLayer: function TextLayerBuilder_renderLayer() {
var textLayerFrag = document.createDocumentFragment();
var textDivs = this.textDivs;
@ -63,7 +74,7 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
// No point in rendering many divs as it would make the browser
// unusable even after the divs are rendered.
if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
this.renderingDone = true;
this._finishRendering();
return;
}
@ -107,7 +118,7 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
}
this.textLayerDiv.appendChild(textLayerFrag);
this.renderingDone = true;
this._finishRendering();
this.updateMatches();
},