Publish Vulpes Preview 15 sources for desktop, Android and Tundra
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
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243
gaia/apps/keyboard/js/settings/layout_item.js
Executable file
243
gaia/apps/keyboard/js/settings/layout_item.js
Executable file
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'use strict';
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(function(exports) {
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var LayoutItemErrorInfo = function(layoutItemState) {
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switch (layoutItemState) {
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case LayoutItem.prototype.STATE_INSTALLING_CANCELLABLE:
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this.error = this.ERROR_DOWNLOADERROR;
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break;
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case LayoutItem.prototype.STATE_INSTALLING:
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this.error = this.ERROR_INSTALLERROR;
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break;
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case LayoutItem.prototype.STATE_REMOVING:
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this.error = this.ERROR_REMOVEERROR;
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break;
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default:
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throw new Error('LayoutItemErrorInfo: Error at invalid state.');
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}
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};
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LayoutItemErrorInfo.prototype.ERROR_DOWNLOADERROR = 1;
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LayoutItemErrorInfo.prototype.ERROR_INSTALLERROR = 2;
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LayoutItemErrorInfo.prototype.ERROR_REMOVEERROR = 3;
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var LayoutItem = function(list, layout) {
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this.list = list;
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this.id = layout.id;
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this.name = layout.name;
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this.nameL10nId = layout.nameL10nId;
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this.imEngineId = layout.imEngineId;
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this.dictFilePath = layout.dictFilePath;
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this.fileSize = layout.dictFileSize;
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this.types = layout.types;
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// Set the initial state.
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if (layout.preloaded) {
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this.state = this.STATE_PRELOADED;
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} else if (layout.installed) {
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this.state = this.STATE_INSTALLED;
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} else {
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this.state = this.STATE_INSTALLABLE;
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}
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this._dictionary = null;
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this._userCancelled = undefined;
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};
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LayoutItem.prototype.STATE_PRELOADED = 1;
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LayoutItem.prototype.STATE_INSTALLABLE = 2;
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LayoutItem.prototype.STATE_INSTALLING_CANCELLABLE = 3;
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LayoutItem.prototype.STATE_INSTALLING = 4;
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LayoutItem.prototype.STATE_INSTALLED = 5;
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LayoutItem.prototype.STATE_REMOVING = 6;
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LayoutItem.prototype.onerror = null;
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LayoutItem.prototype.onstatechange = null;
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LayoutItem.prototype.onprogress = null;
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LayoutItem.prototype.oninstall = null;
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LayoutItem.prototype.id = '';
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LayoutItem.prototype.name = '';
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LayoutItem.prototype.nameL10nId = '';
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LayoutItem.prototype.types = null;
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LayoutItem.prototype.fileSize = 0;
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LayoutItem.prototype.downloadLoadedSize = 0;
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LayoutItem.prototype.downloadTotalSize = 0;
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LayoutItem.prototype.start = function() {
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if (this.state !== this.STATE_PRELOADED) {
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this._dictionary = this.list.dictionaryList
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.getDictionary(this.imEngineId, this.dictFilePath);
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}
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};
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LayoutItem.prototype.stop = function() {
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// noop
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};
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LayoutItem.prototype.install = function() {
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if (this.state !== this.STATE_INSTALLABLE) {
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throw new Error('LayoutItem: ' +
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'Can\'t install a layout under this state.');
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}
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var openLock = this.list.closeLockManager.requestLock('stayAwake');
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this._userCancelled = false;
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var p = Promise.resolve()
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.then(function() {
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var p = this._dictionary.installForLayout(this);
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if (this._dictionary.state ===
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this._dictionary.STATE_INSTALLING_CANCELLABLE) {
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this.downloadLoadedSize = this._dictionary.downloadLoadedSize;
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this.downloadTotalSize = this._dictionary.downloadTotalSize;
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this._changeState(this.STATE_INSTALLING_CANCELLABLE);
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} else {
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this._changeState(this.STATE_INSTALLING);
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}
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// Resolve until the dictionary is in the installed state.
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return p;
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}.bind(this))
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.then(function() {
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if (this.state !== this.STATE_INSTALLING) {
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this.downloadLoadedSize = 0;
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this.downloadTotalSize = 0;
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this._changeState(this.STATE_INSTALLING);
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}
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return navigator.mozInputMethod.addInput(this.id, {
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launch_path: '/index.html#' + this.id,
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name: this.name,
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description: this.name,
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types: this.types
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});
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}.bind(this))
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.then(this.list.setLayoutAsInstalled.bind(this.list, this.id))
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.then(function() {
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this._userCancelled = undefined;
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openLock.unlock();
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this._changeState(this.STATE_INSTALLED);
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if (typeof this.oninstall === 'function') {
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this.oninstall();
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}
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}.bind(this))
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.catch(function(e) {
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if (!this._userCancelled) {
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this._triggerError();
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}
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this._userCancelled = undefined;
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this.downloadLoadedSize = 0;
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this.downloadTotalSize = 0;
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openLock.unlock();
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this._changeState(this.STATE_INSTALLABLE);
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throw (e || new Error('LayoutItem: Installation failed/cancelled.'));
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}.bind(this));
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return p;
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};
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LayoutItem.prototype.cancelInstall = function() {
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if (this.state !== this.STATE_INSTALLING_CANCELLABLE) {
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throw new Error('LayoutItem: ' +
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'Can\'t cancel an install under this state.');
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}
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this._userCancelled = true;
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this._dictionary.removeForLayout(this);
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};
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LayoutItem.prototype.remove = function() {
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if (this.state !== this.STATE_INSTALLED) {
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throw new Error('LayoutItem: ' +
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'Can\'t remove a layout under this state.');
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}
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var openLock = this.list.closeLockManager.requestLock('stayAwake');
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var p = Promise.resolve()
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.then(function() {
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this._changeState(this.STATE_REMOVING);
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return navigator.mozInputMethod.removeInput(this.id);
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}.bind(this))
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.then(function() {
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return this.list.setLayoutAsUninstalled(this.id)
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.catch(function(e) {
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// This is not good; we'd de-registered globally but failed to
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// de-register internally ourselves.
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// There isn't an obvious way to fix this, other than ignoring the
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// error and hope the user can fix the inconsistency by complete
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// another install-remove cycle.
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console.error(
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'LayoutItem: Ignoring set uninstall failure.', e);
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});
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}.bind(this))
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.then(function() {
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return this._dictionary.removeForLayout(this)
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.catch(function(e) {
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// Ignore failed removal and still mark the layout as removed here,
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// since we have already de-registered at this point.
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console.error(
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'LayoutItem: Ignoring dictionary removal failure.', e);
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});
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}.bind(this))
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.then(openLock.unlock.bind(openLock))
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.then(this._changeState.bind(this, this.STATE_INSTALLABLE))
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.catch(function(e) {
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this._triggerError();
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openLock.unlock();
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this._changeState(this.STATE_INSTALLED);
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throw (e || new Error('LayoutItem: Removing failed.'));
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}.bind(this));
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return p;
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};
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// Will be called by LayoutDictionary during the downloading process.
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LayoutItem.prototype.updateInstallProgress = function(loaded, total) {
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if (this.state !== this.STATE_INSTALLING_CANCELLABLE) {
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console.warn(
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'LayoutItem: Ignoring updateInstallProgress call in the wrong state.');
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return;
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}
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this.downloadLoadedSize = loaded;
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this.downloadTotalSize = total;
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if (typeof this.onprogress === 'function') {
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return this.onprogress(loaded, total);
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}
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};
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LayoutItem.prototype._triggerError = function() {
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if (typeof this.onerror === 'function') {
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this.onerror(new LayoutItemErrorInfo(this.state));
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}
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};
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LayoutItem.prototype._changeState = function(state) {
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this.state = state;
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if (typeof this.onstatechange === 'function') {
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return this.onstatechange();
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}
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};
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exports.LayoutItemErrorInfo = LayoutItemErrorInfo;
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exports.LayoutItem = LayoutItem;
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}(window));
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