VulpesOS/assets/webapps/keyboard.gaiamobile.org/js/keyboard/view_manager.js

;'use strict';(function(exports){function ViewManager(app){this.app=app;this.viewMap=new WeakMap();this.currentPageView=null;this.pageViews=new Map();this.alternativesCharMenu=null;this.columnCount=10;}
ViewManager.prototype={get candidatePanel(){if(!this.currentPageView||!this.currentPageView.candidatePanel){return;}
return this.currentPageView.candidatePanel.element;}};ViewManager.prototype.start=function(){this.container=document.getElementById('keyboard');this.cachedWindowHeight=window.innerHeight||window.screen.height;this.cachedWindowWidth=window.innerWidth||window.screen.width;window.addEventListener('resize',this);};ViewManager.prototype.stop=function(){this.container=null;this.viewMap=null;this.currentPageView=null;this.pageViews=null;window.removeEventListener('resize',this);};ViewManager.prototype.handleEvent=function(evt){if(evt.type!=='resize'){return;}
this.cachedWindowHeight=window.innerHeight||window.screen.height;this.cachedWindowWidth=window.innerWidth||window.screen.width;};ViewManager.prototype.setUpperCaseLock=function(state){if(!this.currentPageView){console.error('No current page view!');return;}
this.currentPageView.setUpperCaseLock(state);};ViewManager.prototype.render=function(layout,flags,callback){this.app.console.log('ViewManager.render()');this.app.console.time('ViewManager.render()');flags=flags||{};this.columnCount=layout.width||10;var supportsSwitching='mozInputMethod'in navigator?navigator.mozInputMethod.mgmt.supportsSwitching():false;var pageId=[layout.layoutName,layout.pageIndex,(''+flags.inputType).substr(0,1),(''+flags.showCandidatePanel).substr(0,1),supportsSwitching].join('-');var pageView=this.pageViews.get(pageId);if(!pageView){var options={classNames:['keyboard-type-container'],totalWidth:this.container.clientWidth,showCandidatePanel:flags.showCandidatePanel};pageView=this._createPageView(layout,options);if(!layout.updateByIMEngine){this.pageViews.set(pageId,pageView);}
pageView.render();this.container.appendChild(pageView.element);if(flags.showCandidatePanel){this.showCandidates([]);}}
pageView.setUpperCaseLock({isUpperCase:flags.uppercase,isUpperCaseLocked:false});if(this.currentPageView!==pageView){if(this.currentPageView){this.currentPageView.hide();}
if(this.currentPageView&&this.currentPageView.layout.updateByIMEngine){this.currentPageView.destroy();}
pageView.show();this.currentPageView=pageView;this.resize(callback);}else if((this.container.classList.contains('landscape')&&this.screenInPortraitMode())||(this.container.classList.contains('portrait')&&!this.screenInPortraitMode())){this.resize(callback);}
else{if(callback){window.requestAnimationFrame(callback);}}
this.app.console.timeEnd('ViewManager.render()');};ViewManager.prototype.drawHandwritingPad=function(press,start,strokeWidth){var handwritingPadView=this.viewMap.get(press.target);return handwritingPadView.drawHandwritingPad(press,start,strokeWidth);};ViewManager.prototype.clearHandwritingPad=function(target){var handwritingPadView=this.viewMap.get(target);return handwritingPadView.clearHandwritingPad();};ViewManager.prototype.highlightKey=function(target){if(!this.currentPageView){console.error('No current page view!');return;}
this.currentPageView.highlightKey(target);};ViewManager.prototype.unHighlightKey=function(target){if(!this.currentPageView){console.error('ViewManager: No current page view!');return;}
this.currentPageView.unHighlightKey(target);};ViewManager.prototype.toggleCandidatePanel=function(expand){if(!this.currentPageView){console.error('ViewManager: No current page view!');return;}
this.currentPageView.resetCandidatePanel();this._toggleCandidatePanelWithoutResetScroll(expand);};ViewManager.prototype._toggleCandidatePanelWithoutResetScroll=function(expand){if(expand){this.container.classList.remove('candidate-panel');this.container.classList.add('full-candidate-panel');}else{this.container.classList.remove('full-candidate-panel');this.container.classList.add('candidate-panel');}};ViewManager.prototype.showAlternativesCharMenu=function(key,altChars){var options={keyWidth:(this.cachedWindowWidth/this.columnCount)|0,screenInPortraitMode:this.screenInPortraitMode};var alternativesCharMenu=new AlternativesCharMenuView(this.currentPageView.element,altChars,options,this);var keyElement=this.viewMap.get(key).element;alternativesCharMenu.show(keyElement);this.alternativesCharMenu=alternativesCharMenu;return alternativesCharMenu;};ViewManager.prototype.hideAlternativesCharMenu=function(){if(!this.alternativesCharMenu){console.error('No alternative char menu to hide!');return;}
this.alternativesCharMenu.hide();};ViewManager.prototype.resize=function(callback){var changeScale;if(this.screenInPortraitMode()){changeScale=this.cachedWindowWidth/32;document.documentElement.style.fontSize=changeScale+'px';this.container.classList.remove('landscape');this.container.classList.add('portrait');}else{changeScale=this.cachedWindowWidth/64;document.documentElement.style.fontSize=changeScale+'px';this.container.classList.remove('portrait');this.container.classList.add('landscape');}
if(!this.currentPageView){return;}
this.currentPageView.resize(this.cachedWindowWidth);if(callback){window.requestAnimationFrame(callback);}};ViewManager.prototype.getWidth=function(){if(!this.currentPageView){return 0;}
return this.cachedWindowWidth;};ViewManager.prototype.getHeight=function(){if(!this.currentPageView){return 0;}
return this.currentPageView.getHeight()|0;};ViewManager.prototype.showCandidates=function(candidates){if(!this.currentPageView){return;}
this._toggleCandidatePanelWithoutResetScroll(false);this.currentPageView.showCandidates(candidates);};ViewManager.prototype.showMoreCandidates=function(rowLimit,candidates){if(!this.currentPageView){return;}
this.currentPageView.showMoreCandidates(rowLimit,candidates);};ViewManager.prototype.getNumberOfCandidatesPerRow=function(){if(!this.currentPageView){return;}
return this.currentPageView.getNumberOfCandidatesPerRow();};ViewManager.prototype.getKeyArray=function(){return this.currentPageView.getVisualData();};ViewManager.prototype.getKeyWidth=function(){return Math.ceil(this.cachedWindowWidth/this.columnCount);};ViewManager.prototype.getKeyHeight=function(){if(!this.currentPageView){return 0;}
return this.currentPageView.getKeyHeight();};ViewManager.prototype.registerView=function(target,view){this.app.layoutRenderingManager.domObjectMap.set(view.element,target);this.viewMap.set(target,view);};ViewManager.prototype.screenInPortraitMode=function(){return this.cachedWindowWidth<=this.cachedWindowHeight;};ViewManager.prototype.getRemToPx=function(){return this.screenInPortraitMode()?this.cachedWindowWidth/32:this.cachedWindowWidth/64;};ViewManager.prototype.getView=function(target){return this.viewMap.get(target);};ViewManager.prototype._createPageView=function(layout,options){var pageView;if(layout.panelKeys){pageView=new SwipeablePageView(layout,options,this);}else{pageView=new LayoutPageView(layout,options,this);}
return pageView;};exports.ViewManager=ViewManager;})(window);