polygerrit-ui/app/elements/gr-app.js - gerrit - Git at Google

 // Copyright (C) 2016 The Android Open Source Project
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 // http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 (function() {
   'use strict';

   // The maximum age of a keydown event to be used in a jump navigation. This is
   // only for cases when the keyup event is lost.
   const G_KEY_TIMEOUT_MS = 1000;

   // Eagerly render Polymer components when backgrounded. (Skips
   // requestAnimationFrame.)
   // @see https://github.com/Polymer/polymer/issues/3851
   // TODO: Reassess after Polymer 2.0 upgrade.
   // @see Issue 4699
   Polymer.RenderStatus._makeReady();

   Polymer({
     is: 'gr-app',

     /**
      * Fired when the URL location changes.
      *
      * @event location-change
      */

     properties: {
       /**
        * @type {{ query: string, view: string, screen: string }}
        */
       params: Object,
       keyEventTarget: {
         type: Object,
         value() { return document.body; },
       },

       _account: {
         type: Object,
         observer: '_accountChanged',
       },

       /**
        * The last time the g key was pressed in milliseconds (or a keydown event
        * was handled if the key is held down).
        * @type {number|null}
        */
       _lastGKeyPressTimestamp: {
         type: Number,
         value: null,
       },

       /**
        * @type {{ plugin: Object }}
        */
       _serverConfig: Object,
       _version: String,
       _showChangeListView: Boolean,
       _showDashboardView: Boolean,
       _showChangeView: Boolean,
       _showDiffView: Boolean,
       _showSettingsView: Boolean,
       _showAdminView: Boolean,
       _showCLAView: Boolean,
       _showEditorView: Boolean,
       _showPluginScreen: Boolean,
       /** @type {?} */
       _viewState: Object,
       /** @type {?} */
       _lastError: Object,
       _lastSearchPage: String,
       _path: String,
       _isShadowDom: Boolean,
       _pluginScreenName: {
         type: String,
         computed: '_computePluginScreenName(params)',
       },
       _settingsUrl: String,
     },

     listeners: {
       'page-error': '_handlePageError',
       'title-change': '_handleTitleChange',
       'location-change': '_handleLocationChange',
     },

     observers: [
       '_viewChanged(params.view)',
     ],

     behaviors: [
       Gerrit.BaseUrlBehavior,
       Gerrit.KeyboardShortcutBehavior,
     ],

     keyBindings: {
       '?': '_showKeyboardShortcuts',
       'g:keydown': '_gKeyDown',
       'g:keyup': '_gKeyUp',
       'a m o': '_jumpKeyPressed',
     },

     ready() {
       this._isShadowDom = Polymer.Settings.useShadow;
       this.$.router.start();

       this.$.restAPI.getAccount().then(account => {
         this._account = account;
       });
       this.$.restAPI.getConfig().then(config => {
         this._serverConfig = config;
       });
       this.$.restAPI.getVersion().then(version => {
         this._version = version;
       });

       // Note: this is evaluated here to ensure that it only happens after the
       // router has been initialized. @see Issue 7837
       this._settingsUrl = Gerrit.Nav.getUrlForSettings();

       this.$.reporting.appStarted();
       this._viewState = {
         changeView: {
           changeNum: null,
           patchRange: null,
           selectedFileIndex: 0,
           showReplyDialog: false,
           diffMode: null,
           numFilesShown: null,
           scrollTop: 0,
         },
         changeListView: {
           query: null,
           offset: 0,
           selectedChangeIndex: 0,
         },
         dashboardView: {
           selectedChangeIndex: 0,
         },
       };
     },

     _accountChanged(account) {
       if (!account) { return; }

       // Preferences are cached when a user is logged in; warm them.
       this.$.restAPI.getPreferences();
       this.$.restAPI.getDiffPreferences();
       this.$.restAPI.getEditPreferences();
       this.$.errorManager.knownAccountId =
           this._account && this._account._account_id || null;
     },

     _viewChanged(view) {
       this.$.errorView.classList.remove('show');
       this.set('_showChangeListView', view === Gerrit.Nav.View.SEARCH);
       this.set('_showDashboardView', view === Gerrit.Nav.View.DASHBOARD);
       this.set('_showChangeView', view === Gerrit.Nav.View.CHANGE);
       this.set('_showDiffView', view === Gerrit.Nav.View.DIFF);
       this.set('_showSettingsView', view === Gerrit.Nav.View.SETTINGS);
       this.set('_showAdminView', view === Gerrit.Nav.View.ADMIN ||
           view === Gerrit.Nav.View.GROUP || view === Gerrit.Nav.View.REPO);
       this.set('_showCLAView', view === Gerrit.Nav.View.AGREEMENTS);
       this.set('_showEditorView', view === Gerrit.Nav.View.EDIT);
       const isPluginScreen = view === Gerrit.Nav.View.PLUGIN_SCREEN;
       this.set('_showPluginScreen', false);
       // Navigation within plugin screens does not restamp gr-endpoint-decorator
       // because _showPluginScreen value does not change. To force restamp,
       // change _showPluginScreen value between true and false.
       if (isPluginScreen) {
         this.async(() => this.set('_showPluginScreen', true), 1);
       }
       if (this.params.justRegistered) {
         this.$.registration.open();
       }
       this.$.header.unfloat();
     },

     _computeShowGwtUiLink(config) {
       return config.gerrit.web_uis && config.gerrit.web_uis.includes('GWT');
     },

     _handlePageError(e) {
       const props = [
         '_showChangeListView',
         '_showDashboardView',
         '_showChangeView',
         '_showDiffView',
         '_showSettingsView',
         '_showAdminView',
       ];
       for (const showProp of props) {
         this.set(showProp, false);
       }

       this.$.errorView.classList.add('show');
       const response = e.detail.response;
       const err = {text: [response.status, response.statusText].join(' ')};
       if (response.status === 404) {
         err.emoji = '¯\\_(ツ)_/¯';
         this._lastError = err;
       } else {
         err.emoji = 'o_O';
         response.text().then(text => {
           err.moreInfo = text;
           this._lastError = err;
         });
       }
     },

     _handleLocationChange(e) {
       const hash = e.detail.hash.substring(1);
       let pathname = e.detail.pathname;
       if (pathname.startsWith('/c/') && parseInt(hash, 10) > 0) {
         pathname += '@' + hash;
       }
       this.set('_path', pathname);
       this._handleSearchPageChange();
     },

     _handleSearchPageChange() {
       if (!this.params) {
         return;
       }
       const viewsToCheck = [Gerrit.Nav.View.SEARCH, Gerrit.Nav.View.DASHBOARD];
       if (viewsToCheck.includes(this.params.view)) {
         this.set('_lastSearchPage', location.pathname);
       }
     },

     _handleTitleChange(e) {
       if (e.detail.title) {
         document.title = e.detail.title + ' · Gerrit Code Review';
       } else {
         document.title = '';
       }
     },

     _showKeyboardShortcuts(e) {
       if (this.shouldSuppressKeyboardShortcut(e)) { return; }
       this.$.keyboardShortcuts.open();
     },

     _handleKeyboardShortcutDialogClose() {
       this.$.keyboardShortcuts.close();
     },

     _handleAccountDetailUpdate(e) {
       this.$.mainHeader.reload();
       if (this.params.view === Gerrit.Nav.View.SETTINGS) {
         this.$$('gr-settings-view').reloadAccountDetail();
       }
     },

     _handleRegistrationDialogClose(e) {
       this.params.justRegistered = false;
       this.$.registration.close();
     },

     _computeShadowClass(isShadowDom) {
       return isShadowDom ? 'shadow' : '';
     },

     _gKeyDown(e) {
       if (this.modifierPressed(e)) { return; }
       this._lastGKeyPressTimestamp = Date.now();
     },

     _gKeyUp() {
       this._lastGKeyPressTimestamp = null;
     },

     _jumpKeyPressed(e) {
       if (!this._lastGKeyPressTimestamp ||
           (Date.now() - this._lastGKeyPressTimestamp > G_KEY_TIMEOUT_MS) ||
           this.shouldSuppressKeyboardShortcut(e)) { return; }
       e.preventDefault();

       let status = null;
       if (e.detail.key === 'a') {
         status = 'abandoned';
       } else if (e.detail.key === 'm') {
         status = 'merged';
       } else if (e.detail.key === 'o') {
         status = 'open';
       }
       if (status !== null) {
         Gerrit.Nav.navigateToStatusSearch(status);
       }
     },

     _computePluginScreenName({plugin, screen}) {
       return Gerrit._getPluginScreenName(plugin, screen);
     },
   });
 })();
	// Copyright (C) 2016 The Android Open Source Project
	//
	// Licensed under the Apache License, Version 2.0 (the "License");
	// you may not use this file except in compliance with the License.
	// You may obtain a copy of the License at
	//
	// http://www.apache.org/licenses/LICENSE-2.0
	//
	// Unless required by applicable law or agreed to in writing, software
	// distributed under the License is distributed on an "AS IS" BASIS,
	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	// See the License for the specific language governing permissions and
	// limitations under the License.
	(function() {
	'use strict';

	// The maximum age of a keydown event to be used in a jump navigation. This is
	// only for cases when the keyup event is lost.
	const G_KEY_TIMEOUT_MS = 1000;

	// Eagerly render Polymer components when backgrounded. (Skips
	// requestAnimationFrame.)
	// @see https://github.com/Polymer/polymer/issues/3851
	// TODO: Reassess after Polymer 2.0 upgrade.
	// @see Issue 4699
	Polymer.RenderStatus._makeReady();

	Polymer({
	is: 'gr-app',

	/**
	* Fired when the URL location changes.
	*
	* @event location-change
	*/

	properties: {
	/**
	* @type {{ query: string, view: string, screen: string }}
	*/
	params: Object,
	keyEventTarget: {
	type: Object,
	value() { return document.body; },
	},

	_account: {
	type: Object,
	observer: '_accountChanged',
	},

	/**
	* The last time the g key was pressed in milliseconds (or a keydown event
	* was handled if the key is held down).
	* @type {number\|null}
	*/
	_lastGKeyPressTimestamp: {
	type: Number,
	value: null,
	},

	/**
	* @type {{ plugin: Object }}
	*/
	_serverConfig: Object,
	_version: String,
	_showChangeListView: Boolean,
	_showDashboardView: Boolean,
	_showChangeView: Boolean,
	_showDiffView: Boolean,
	_showSettingsView: Boolean,
	_showAdminView: Boolean,
	_showCLAView: Boolean,
	_showEditorView: Boolean,
	_showPluginScreen: Boolean,
	/** @type {?} */
	_viewState: Object,
	/** @type {?} */
	_lastError: Object,
	_lastSearchPage: String,
	_path: String,
	_isShadowDom: Boolean,
	_pluginScreenName: {
	type: String,
	computed: '_computePluginScreenName(params)',
	},
	_settingsUrl: String,
	},

	listeners: {
	'page-error': '_handlePageError',
	'title-change': '_handleTitleChange',
	'location-change': '_handleLocationChange',
	},

	observers: [
	'_viewChanged(params.view)',
	],

	behaviors: [
	Gerrit.BaseUrlBehavior,
	Gerrit.KeyboardShortcutBehavior,
	],

	keyBindings: {
	'?': '_showKeyboardShortcuts',
	'g:keydown': '_gKeyDown',
	'g:keyup': '_gKeyUp',
	'a m o': '_jumpKeyPressed',
	},

	ready() {
	this._isShadowDom = Polymer.Settings.useShadow;
	this.$.router.start();

	this.$.restAPI.getAccount().then(account => {
	this._account = account;
	});
	this.$.restAPI.getConfig().then(config => {
	this._serverConfig = config;
	});
	this.$.restAPI.getVersion().then(version => {
	this._version = version;
	});

	// Note: this is evaluated here to ensure that it only happens after the
	// router has been initialized. @see Issue 7837
	this._settingsUrl = Gerrit.Nav.getUrlForSettings();

	this.$.reporting.appStarted();
	this._viewState = {
	changeView: {
	changeNum: null,
	patchRange: null,
	selectedFileIndex: 0,
	showReplyDialog: false,
	diffMode: null,
	numFilesShown: null,
	scrollTop: 0,
	},
	changeListView: {
	query: null,
	offset: 0,
	selectedChangeIndex: 0,
	},
	dashboardView: {
	selectedChangeIndex: 0,
	},
	};
	},

	_accountChanged(account) {
	if (!account) { return; }

	// Preferences are cached when a user is logged in; warm them.
	this.$.restAPI.getPreferences();
	this.$.restAPI.getDiffPreferences();
	this.$.restAPI.getEditPreferences();
	this.$.errorManager.knownAccountId =
	this._account && this._account._account_id \|\| null;
	},

	_viewChanged(view) {
	this.$.errorView.classList.remove('show');
	this.set('_showChangeListView', view === Gerrit.Nav.View.SEARCH);
	this.set('_showDashboardView', view === Gerrit.Nav.View.DASHBOARD);
	this.set('_showChangeView', view === Gerrit.Nav.View.CHANGE);
	this.set('_showDiffView', view === Gerrit.Nav.View.DIFF);
	this.set('_showSettingsView', view === Gerrit.Nav.View.SETTINGS);
	this.set('_showAdminView', view === Gerrit.Nav.View.ADMIN \|\|
	view === Gerrit.Nav.View.GROUP \|\| view === Gerrit.Nav.View.REPO);
	this.set('_showCLAView', view === Gerrit.Nav.View.AGREEMENTS);
	this.set('_showEditorView', view === Gerrit.Nav.View.EDIT);
	const isPluginScreen = view === Gerrit.Nav.View.PLUGIN_SCREEN;
	this.set('_showPluginScreen', false);
	// Navigation within plugin screens does not restamp gr-endpoint-decorator
	// because _showPluginScreen value does not change. To force restamp,
	// change _showPluginScreen value between true and false.
	if (isPluginScreen) {
	this.async(() => this.set('_showPluginScreen', true), 1);
	}
	if (this.params.justRegistered) {
	this.$.registration.open();
	}
	this.$.header.unfloat();
	},

	_computeShowGwtUiLink(config) {
	return config.gerrit.web_uis && config.gerrit.web_uis.includes('GWT');
	},

	_handlePageError(e) {
	const props = [
	'_showChangeListView',
	'_showDashboardView',
	'_showChangeView',
	'_showDiffView',
	'_showSettingsView',
	'_showAdminView',
	];
	for (const showProp of props) {
	this.set(showProp, false);
	}

	this.$.errorView.classList.add('show');
	const response = e.detail.response;
	const err = {text: [response.status, response.statusText].join(' ')};
	if (response.status === 404) {
	err.emoji = '¯\\_(ツ)_/¯';
	this._lastError = err;
	} else {
	err.emoji = 'o_O';
	response.text().then(text => {
	err.moreInfo = text;
	this._lastError = err;
	});
	}
	},

	_handleLocationChange(e) {
	const hash = e.detail.hash.substring(1);
	let pathname = e.detail.pathname;
	if (pathname.startsWith('/c/') && parseInt(hash, 10) > 0) {
	pathname += '@' + hash;
	}
	this.set('_path', pathname);
	this._handleSearchPageChange();
	},

	_handleSearchPageChange() {
	if (!this.params) {
	return;
	}
	const viewsToCheck = [Gerrit.Nav.View.SEARCH, Gerrit.Nav.View.DASHBOARD];
	if (viewsToCheck.includes(this.params.view)) {
	this.set('_lastSearchPage', location.pathname);
	}
	},

	_handleTitleChange(e) {
	if (e.detail.title) {
	document.title = e.detail.title + ' · Gerrit Code Review';
	} else {
	document.title = '';
	}
	},

	_showKeyboardShortcuts(e) {
	if (this.shouldSuppressKeyboardShortcut(e)) { return; }
	this.$.keyboardShortcuts.open();
	},

	_handleKeyboardShortcutDialogClose() {
	this.$.keyboardShortcuts.close();
	},

	_handleAccountDetailUpdate(e) {
	this.$.mainHeader.reload();
	if (this.params.view === Gerrit.Nav.View.SETTINGS) {
	this.$$('gr-settings-view').reloadAccountDetail();
	}
	},

	_handleRegistrationDialogClose(e) {
	this.params.justRegistered = false;
	this.$.registration.close();
	},

	_computeShadowClass(isShadowDom) {
	return isShadowDom ? 'shadow' : '';
	},

	_gKeyDown(e) {
	if (this.modifierPressed(e)) { return; }
	this._lastGKeyPressTimestamp = Date.now();
	},

	_gKeyUp() {
	this._lastGKeyPressTimestamp = null;
	},

	_jumpKeyPressed(e) {
	if (!this._lastGKeyPressTimestamp \|\|
	(Date.now() - this._lastGKeyPressTimestamp > G_KEY_TIMEOUT_MS) \|\|
	this.shouldSuppressKeyboardShortcut(e)) { return; }
	e.preventDefault();

	let status = null;
	if (e.detail.key === 'a') {
	status = 'abandoned';
	} else if (e.detail.key === 'm') {
	status = 'merged';
	} else if (e.detail.key === 'o') {
	status = 'open';
	}
	if (status !== null) {
	Gerrit.Nav.navigateToStatusSearch(status);
	}
	},

	_computePluginScreenName({plugin, screen}) {
	return Gerrit._getPluginScreenName(plugin, screen);
	},
	});
	})();