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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503
gaia/apps/system/js/app_text_selection_dialog.js
Executable file
503
gaia/apps/system/js/app_text_selection_dialog.js
Executable file
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/* global SettingsListener, Service */
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'use strict';
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(function(exports) {
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var DEBUG = false;
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var _id = 0;
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var _globalStates = null;
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// Manipulate global states for app text selection dialog across all apps. All
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// states which are shared by apps should be put in this class.
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var AppTextSelectionDialogGlobalStates = function() {
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this._hasCutOrCopiedTimeoutId = null;
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this._isPrefOn = true;
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this.appTSDs = new Set();
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this.bindOnObservePrefChanged = this.onObservePrefChanged.bind(this);
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SettingsListener.observe('copypaste.enabled', true,
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this.bindOnObservePrefChanged);
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};
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// If a user cuts or copies something, a paste shortcut will pop up every time
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// when single tapping on an editable field within this timeout.
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AppTextSelectionDialogGlobalStates.prototype.CUT_OR_COPIED_TIMEOUT_MS = 15000;
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AppTextSelectionDialogGlobalStates.prototype.hasCutOrCopied =
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function() {
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return !!this._hasCutOrCopiedTimeoutId;
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};
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AppTextSelectionDialogGlobalStates.prototype.launchHasCutOrCopiedTimer =
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function() {
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this._hasCutOrCopiedTimeoutId = window.setTimeout(() => {
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this._hasCutOrCopiedTimeoutId = null;
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}, this.CUT_OR_COPIED_TIMEOUT_MS);
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};
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AppTextSelectionDialogGlobalStates.prototype.cancelHasCutOrCopiedTimer =
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function() {
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window.clearTimeout(this._hasCutOrCopiedTimeoutId);
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this._hasCutOrCopiedTimeoutId = null;
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};
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AppTextSelectionDialogGlobalStates.prototype.resetAllStates =
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function() {
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this._hasCutOrCopiedTimeoutId = null;
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this._isPrefOn = true;
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this.appTSDs.clear();
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};
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AppTextSelectionDialogGlobalStates.prototype.onObservePrefChanged =
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function (value) {
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this._isPrefOn = value;
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this.appTSDs.forEach(appTSD => {
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this._isPrefOn ? appTSD.start() : appTSD.stop();
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});
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};
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// Text selection dialog per AppWindow.
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var AppTextSelectionDialog = function (app) {
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this.app = app;
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this.containerElement = (app && app.element) ? app.element :
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document.getElementById('text-selection-dialog-root');
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this.instanceID = _id++;
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this.event = null;
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this._enabled = false;
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this._injected = false;
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this._isCommandSendable = false;
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this._transitionState = 'closed';
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this._transitionStateOnPressCaret = null;
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this.textualmenuDetail = null;
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this.globalStates = _globalStates =
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_globalStates || new AppTextSelectionDialogGlobalStates();
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this.globalStates.appTSDs.add(this);
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};
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AppTextSelectionDialog.prototype = Object.create(window.BaseUI.prototype);
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AppTextSelectionDialog.prototype.TEXTDIALOG_HEIGHT = 46;
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AppTextSelectionDialog.prototype.TEXTDIALOG_WIDTH = 48;
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// Distance between selected area and the bottom of menu when menu show on
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// the top of selected area.
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// By UI spec, 12px from the top of selected area to utility menu.
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AppTextSelectionDialog.prototype.DISTANCE_FROM_MENUBOTTOM_TO_SELECTEDAREA =
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12;
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// Distance between selected area and the top of menu when menu show on
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// the bottom of selected area.
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// Caret height is 36px which is controlled by gecko (libpref/init/all.js).
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// Note that 36px includes 28px for caret and 8px for space underneath caret.
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// So 28px plus 12px which defined in UI spec, we get 40px from the bottom
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// of selected area to utility menu.
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AppTextSelectionDialog.prototype.DISTANCE_FROM_SELECTEDAREA_TO_MENUTOP = 40;
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// Minimum distance between bubble and boundary.
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AppTextSelectionDialog.prototype.DISTANCE_FROM_BOUNDARY = 5;
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AppTextSelectionDialog.prototype.ID_NAME = 'AppTextSelectionDialog';
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AppTextSelectionDialog.prototype.ELEMENT_PREFIX = 'textselection-dialog-';
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// Overwrite _unregisterEvents to remove this AppTextSelectionDialog
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// from global states when destroying this app.
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AppTextSelectionDialog.prototype._unregisterEvents =
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function tsd__unregisterEvents() {
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this.globalStates.appTSDs.delete(this);
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};
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AppTextSelectionDialog.prototype.start = function tsd_start() {
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if (this._enabled) {
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return;
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}
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this._enabled = true;
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if (this.app && this.app.element) {
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this.app.element.addEventListener('mozbrowsercaretstatechanged', this);
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} else {
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window.addEventListener('mozChromeEvent', this);
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}
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};
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AppTextSelectionDialog.prototype.stop = function tsd_stop() {
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if (!this._enabled) {
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return;
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}
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this._enabled = false;
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if (this.app && this.app.element) {
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this.app.element.removeEventListener('mozbrowsercaretstatechanged', this);
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} else {
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window.removeEventListener('mozChromeEvent', this);
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}
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};
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AppTextSelectionDialog.prototype.debug = function tsd_debug(msg) {
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if (DEBUG || this._DEBUG) {
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console.log(this.ID_NAME + '(' + this.CLASS_NAME + this.instanceID +
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'): ' + msg);
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}
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};
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AppTextSelectionDialog.prototype.handleEvent = function tsd_handleEvent(evt) {
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switch (evt.type) {
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case 'mozbrowsercaretstatechanged':
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evt.preventDefault();
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evt.stopPropagation();
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this._handleCaretStateChanged(evt.detail);
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break;
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case 'mozChromeEvent':
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switch (evt.detail.type) {
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case 'caretstatechanged':
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evt.preventDefault();
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evt.stopPropagation();
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this._handleCaretStateChanged(evt.detail.detail);
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break;
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}
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}
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};
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AppTextSelectionDialog.prototype._handleCaretStateChanged =
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function tsd__handleCaretStateChanged(detail) {
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if (!detail) {
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return;
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}
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this.debug('on receive caret state change event');
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this.debug(JSON.stringify(detail));
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if (detail.reason === 'visibilitychange' && !detail.caretVisible) {
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this.hide();
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return;
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}
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if (detail.reason === 'presscaret') {
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this._transitionStateOnPressCaret = this._transitionState;
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this.hide();
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return;
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}
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if (!detail.selectionVisible) {
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this.hide();
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return;
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}
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if (detail.collapsed) {
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this._onCollapsedMode(detail);
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} else {
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this._onSelectionMode(detail);
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}
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};
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AppTextSelectionDialog.prototype._onCollapsedMode =
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function tsd__onCollapsedMode(detail) {
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var showDialog = false;
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switch (detail.reason) {
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case 'taponcaret':
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case 'longpressonemptycontent':
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// Always allow, do nothing here.
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showDialog = true;
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break;
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case 'updateposition':
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// Only allow when something had been cut or copied.
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if (this.globalStates.hasCutOrCopied()) {
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showDialog = true;
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}
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break;
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case 'releasecaret':
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// Show the dialog if it was shown when pressing the caret.
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if (this._transitionStateOnPressCaret === 'opened') {
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showDialog = true;
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}
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this._transitionStateOnPressCaret = null;
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break;
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default:
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// Not allow
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break;
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}
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if (showDialog) {
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detail.commands.canCut = false;
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detail.commands.canCopy = false;
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detail.commands.canSelectAll = false;
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this.show(detail);
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} else {
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this.hide();
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}
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};
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AppTextSelectionDialog.prototype._onSelectionMode =
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function tsd__onSelectionMode(detail) {
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// make sure cut command option is only shown on editable element
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detail.commands.canCut = detail.commands.canCut &&
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detail.selectionEditable;
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this.show(detail);
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};
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AppTextSelectionDialog.prototype._fetchElements =
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function tsd__fetchElements() {
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this.element = document.getElementById(this.CLASS_NAME + this.instanceID);
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this.elements = {};
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var toCamelCase = function toCamelCase(str) {
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return str.replace(/\-(.)/g, function replacer(str, p1) {
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return p1.toUpperCase();
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});
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};
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this.elementClasses = ['copy', 'cut', 'paste', 'selectall'];
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// Loop and add element with camel style name to Modal Dialog attribute.
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this.elementClasses.forEach(function createElementRef(name) {
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this.elements[toCamelCase(name)] =
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this.element.querySelector('.' + this.ELEMENT_PREFIX + name);
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}, this);
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};
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AppTextSelectionDialog.prototype._registerEvents =
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function tsd__registerEvents() {
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var elements = this.elements;
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for (var ele in elements) {
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elements[ele].addEventListener('mousedown',
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this._elementEventHandler.bind(this));
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// We should not send command to gecko if user move their finger out of
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// the original button.
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elements[ele].addEventListener('mouseout',
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this._elementEventHandler.bind(this));
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elements[ele].addEventListener('click',
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this._elementEventHandler.bind(this));
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}
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this.element.addEventListener('transitionend',
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this._elementEventHandler.bind(this));
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};
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AppTextSelectionDialog.prototype._elementEventHandler =
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function tsd__elementEventHandler(evt) {
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switch (evt.type) {
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case 'mousedown':
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this._isCommandSendable = true;
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evt.preventDefault();
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break;
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case 'transitionend':
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if (this._transitionState === 'closing') {
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this._changeTransitionState('closed');
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}
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break;
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case 'click':
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this[evt.target.dataset.action + 'Handler'] &&
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this[evt.target.dataset.action + 'Handler'](evt);
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break;
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case 'mouseout':
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this._isCommandSendable = false;
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break;
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}
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};
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AppTextSelectionDialog.prototype._changeTransitionState =
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function tsd__changeTransitionState(state) {
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if (!this.element) {
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return;
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}
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switch (state) {
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case 'opened':
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this.element.classList.add('active');
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this.element.classList.add('visible');
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break;
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case 'closing':
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this.element.classList.remove('visible');
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break;
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case 'closed':
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this.element.classList.remove('active');
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break;
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}
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this._transitionState = state;
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};
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AppTextSelectionDialog.prototype._doCommand =
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function tsd_doCommand(evt, cmd, closeDialog) {
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if (!this._isCommandSendable) {
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return;
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}
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if (this.app && this.app.element) {
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if (this.textualmenuDetail) {
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this.textualmenuDetail.sendDoCommandMsg(cmd);
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}
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} else {
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var props = {
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detail: {
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type: 'copypaste-do-command',
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cmd: cmd
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}
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};
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this.debug(JSON.stringify(props));
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window.dispatchEvent(
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new CustomEvent('mozContentEvent', props));
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}
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if (closeDialog) {
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this.close();
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}
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evt.preventDefault();
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evt.stopPropagation();
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};
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AppTextSelectionDialog.prototype.copyHandler =
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function tsd_copyHandler(evt) {
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this._doCommand(evt, 'copy', true);
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this.globalStates.launchHasCutOrCopiedTimer();
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};
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AppTextSelectionDialog.prototype.cutHandler =
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function tsd_cutHandler(evt) {
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this._doCommand(evt, 'cut', true);
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this.globalStates.launchHasCutOrCopiedTimer();
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};
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AppTextSelectionDialog.prototype.pasteHandler =
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function tsd_pasteHandler(evt) {
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this._doCommand(evt, 'paste', true);
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this.globalStates.cancelHasCutOrCopiedTimer();
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};
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AppTextSelectionDialog.prototype.selectallHandler =
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function tsd_selectallHandler(evt) {
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this._doCommand(evt, 'selectall', false);
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};
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AppTextSelectionDialog.prototype.view = function tsd_view() {
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var id = this.CLASS_NAME + this.instanceID;
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var temp = `<div class="textselection-dialog" id="${id}">
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<div data-action="selectall"
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class="textselection-dialog-selectall"></div>
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<div data-action="cut" class="textselection-dialog-cut"></div>
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<div data-action="copy" class="textselection-dialog-copy">
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</div>
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<div data-action="paste" class="textselection-dialog-paste">
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</div>
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</div>`;
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return temp;
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};
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AppTextSelectionDialog.prototype.show = function tsd_show(detail) {
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var numOfSelectOptions = 0;
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var options = [ 'Paste', 'Copy', 'Cut', 'SelectAll' ];
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// Check this._injected here to make sure this.elements is initialized.
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if (!this._injected) {
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this.render();
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this._injected = true;
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}
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// Based on UI spec, we should have dividers ONLY between each select option
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// So, we use css to put divider in pseudo element and set the last visible
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// option without it.
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var lastVisibleOption;
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options.forEach(function(option) {
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if (detail.commands['can' + option]) {
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numOfSelectOptions++;
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lastVisibleOption = this.elements[option.toLowerCase()];
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lastVisibleOption.classList.remove('hidden', 'last-option');
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} else {
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this.elements[option.toLowerCase()].classList.add('hidden');
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}
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}, this);
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this.numOfSelectOptions = numOfSelectOptions;
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this.textualmenuDetail = detail;
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// Add last-option class to the last item of options array;
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if (lastVisibleOption) {
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lastVisibleOption.classList.add('last-option');
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}
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this.updateDialogPosition();
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};
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AppTextSelectionDialog.prototype.updateDialogPosition =
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function tsd_updateDialogPosition() {
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var pos = this.calculateDialogPostion();
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this.debug(JSON.stringify(pos));
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this.element.style.top = pos.top + 'px';
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this.element.style.left = pos.left + 'px';
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this.element.style.height = this.TEXTDIALOG_HEIGHT + 'px';
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this._changeTransitionState('opened');
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};
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AppTextSelectionDialog.prototype.calculateDialogPostion =
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function tsd_calculateDialogPostion() {
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var numOfSelectOptions = this.numOfSelectOptions;
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var detail = this.textualmenuDetail;
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var frameHeight = Service.query('LayoutManager.height') ||
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window.innerHeight;
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var frameWidth = Service.query('LayoutManager.width') ||
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window.innerWidth;
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var selectOptionWidth = this.TEXTDIALOG_WIDTH;
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var selectOptionHeight = this.TEXTDIALOG_HEIGHT;
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var selectDialogTop = (detail.rect.top) *
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detail.zoomFactor;
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var selectDialogBottom =
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(detail.rect.bottom) * detail.zoomFactor;
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var selectDialogLeft = (detail.rect.left) *
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detail.zoomFactor;
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var selectDialogRight =
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(detail.rect.right) * detail.zoomFactor;
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var distanceFromBottom = this.DISTANCE_FROM_SELECTEDAREA_TO_MENUTOP;
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var distanceFromTop = this.DISTANCE_FROM_MENUBOTTOM_TO_SELECTEDAREA;
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var posTop = selectDialogTop - selectOptionHeight - distanceFromTop;
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// Dialog position align to the center of selected area.
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var posLeft = (selectDialogLeft + selectDialogRight -
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numOfSelectOptions * selectOptionWidth)/ 2;
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// Put dialog under selected area if it overlap statusbar.
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if (posTop < 0) {
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posTop = selectDialogBottom + distanceFromBottom;
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}
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var offset = 0;
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if (this.app && this.app.appChrome) {
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offset = this.app.appChrome.isMaximized() ?
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this.app.appChrome.height -
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this.app.appChrome.scrollable.scrollTop :
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Service.query('Statusbar.height');
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}
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posTop += offset;
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// Put dialog in the center of selected area if it overlap keyboard.
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if (posTop >= (frameHeight - selectOptionHeight)) {
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posTop = (((selectDialogTop >= 0) ? selectDialogTop : 0) +
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((selectDialogBottom >= frameHeight) ? frameHeight :
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selectDialogBottom) - selectOptionHeight) / 2;
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}
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if (posLeft < this.DISTANCE_FROM_BOUNDARY) {
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posLeft = this.DISTANCE_FROM_BOUNDARY;
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}
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if ((posLeft + numOfSelectOptions * selectOptionWidth +
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this.DISTANCE_FROM_BOUNDARY) > frameWidth) {
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posLeft = frameWidth - numOfSelectOptions * selectOptionWidth -
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this.DISTANCE_FROM_BOUNDARY;
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}
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return {
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top: posTop,
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left: posLeft
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};
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};
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AppTextSelectionDialog.prototype.hide = function tsd_hide() {
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if (!this.element) {
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return;
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}
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this._changeTransitionState('closing');
|
||||
};
|
||||
|
||||
AppTextSelectionDialog.prototype.close = function tsd_close() {
|
||||
if (this._transitionState !== 'opened') {
|
||||
return;
|
||||
}
|
||||
this.hide();
|
||||
this.element.blur();
|
||||
this.textualmenuDetail = null;
|
||||
};
|
||||
|
||||
exports.AppTextSelectionDialog = AppTextSelectionDialog;
|
||||
}(window));
|
||||
Loading…
Reference in a new issue