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phorge-phorge/webroot/rsrc/js/application/conpherence/behavior-menu.js

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JavaScript
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/**
* @provides javelin-behavior-conpherence-menu
* @requires javelin-behavior
* javelin-dom
* javelin-util
* javelin-stratcom
* javelin-workflow
* javelin-behavior-device
* javelin-history
* javelin-vector
* javelin-scrollbar
* phabricator-title
* phabricator-shaped-request
* conpherence-thread-manager
*/
JX.behavior('conpherence-menu', function(config) {
/**
* State for displayed thread.
*/
var _thread = {
selected: null,
visible: null,
node: null
};
var scrollbar = null;
var cur_theme = config.theme;
// TODO - move more logic into the ThreadManager
var threadManager = new JX.ConpherenceThreadManager();
threadManager.setMessagesRootCallback(function() {
return scrollbar.getContentNode();
});
threadManager.setWillLoadThreadCallback(function() {
markThreadsLoading(true);
});
threadManager.setDidLoadThreadCallback(function(r) {
var header = JX.$H(r.header);
var search = JX.$H(r.search);
var messages = JX.$H(r.transactions);
var form = JX.$H(r.form);
var root = JX.DOM.find(document, 'div', 'conpherence-layout');
var header_root = JX.DOM.find(root, 'div', 'conpherence-header-pane');
var search_root = JX.DOM.find(root, 'div', 'conpherence-search-main');
var form_root = JX.DOM.find(root, 'div', 'conpherence-form');
JX.DOM.setContent(header_root, header);
JX.DOM.setContent(search_root, search);
JX.DOM.setContent(scrollbar.getContentNode(), messages);
JX.DOM.setContent(form_root, form);
markThreadsLoading(false);
didRedrawThread(true);
});
threadManager.setDidUpdateThreadCallback(function(r) {
_scrollMessageWindow();
});
threadManager.setWillSendMessageCallback(function () {
var root = JX.DOM.find(document, 'div', 'conpherence-layout');
var form_root = JX.DOM.find(root, 'div', 'conpherence-form');
markThreadLoading(true);
JX.DOM.alterClass(form_root, 'loading', true);
});
threadManager.setDidSendMessageCallback(function (r, non_update) {
var root = JX.DOM.find(document, 'div', 'conpherence-layout');
var form_root = JX.DOM.find(root, 'div', 'conpherence-form');
var textarea = JX.DOM.find(form_root, 'textarea');
if (!non_update) {
_scrollMessageWindow();
}
markThreadLoading(false);
setTimeout(function() { JX.DOM.focus(textarea); }, 100);
});
threadManager.start();
/**
* Current role of this behavior. The two possible roles are to show a 'list'
* of threads or a specific 'thread'. On devices, this behavior stays in the
* 'list' role indefinitely, treating clicks normally and the next page
* loads the behavior with role = 'thread'. On desktop, this behavior
* auto-loads a thread as part of the 'list' role. As the thread loads the
* role is changed to 'thread'.
*/
var _currentRole = null;
/**
* When _oldDevice is null the code is executing for the first time.
*/
var _oldDevice = null;
/**
* Initializes this behavior based on all the configuration jonx and the
* result of JX.Device.getDevice();
*/
function init() {
_currentRole = config.role;
if (_currentRole == 'thread') {
markThreadsLoading(true);
} else {
markThreadLoading(true);
}
markWidgetLoading(true);
onDeviceChange();
var root = JX.DOM.find(document, 'div', 'conpherence-layout');
var messages_root = JX.DOM.find(root, 'div', 'conpherence-message-pane');
var messages = JX.DOM.find(messages_root, 'div', 'conpherence-messages');
scrollbar = new JX.Scrollbar(messages);
scrollbar.setAsScrollFrame();
}
init();
/**
* Selecting threads
*/
function selectThreadByID(id, update_page_data) {
var thread = JX.$(id);
selectThread(thread, update_page_data);
}
function selectThread(node, update_page_data) {
if (_thread.node) {
JX.DOM.alterClass(_thread.node, 'phui-list-item-selected', false);
}
JX.DOM.alterClass(node, 'phui-list-item-selected', true);
JX.DOM.alterClass(node, 'hide-unread-count', true);
_thread.node = node;
var data = JX.Stratcom.getData(node);
_thread.selected = data.threadID;
if (update_page_data) {
updatePageData(data);
}
redrawThread();
}
function updatePageData(data) {
var uri = '/Z' + _thread.selected;
var new_theme = data.theme;
if (new_theme != cur_theme) {
var root = JX.$('conpherence-main-layout');
JX.DOM.alterClass(root, cur_theme, false);
JX.DOM.alterClass(root, new_theme, true);
cur_theme = new_theme;
}
JX.History.replace(uri);
if (data.title) {
JX.Title.setTitle(data.title);
} else if (_thread.node) {
var threadData = JX.Stratcom.getData(_thread.node);
JX.Title.setTitle(threadData.title);
}
}
JX.Stratcom.listen(
'conpherence-update-page-data',
null,
function (e) {
updatePageData(e.getData());
}
);
function redrawThread() {
if (!_thread.node) {
return;
}
if (_thread.visible == _thread.selected) {
return;
}
var data = JX.Stratcom.getData(_thread.node);
if (_thread.visible !== null || !config.hasThread) {
threadManager.setLoadThreadURI('/conpherence/' + data.threadID + '/');
threadManager.loadThreadByID(data.threadID);
} else if (config.hasThread) {
// we loaded the thread via the server so let the thread manager know
threadManager.setLoadedThreadID(config.selectedThreadID);
threadManager.setLoadedThreadPHID(config.selectedThreadPHID);
threadManager.setLatestTransactionID(config.latestTransactionID);
threadManager.setCanEditLoadedThread(config.canEditSelectedThread);
threadManager.cacheCurrentTransactions();
_scrollMessageWindow();
_focusTextarea();
} else {
didRedrawThread();
}
if (_thread.visible !== null || !config.hasWidgets) {
reloadWidget(data);
}
_thread.visible = _thread.selected;
}
function markThreadsLoading(loading) {
var root = JX.$('conpherence-main-layout');
JX.DOM.alterClass(root, 'loading', loading);
}
function markThreadLoading(loading) {
try {
var textarea = JX.DOM.find(form, 'textarea');
textarea.disabled = loading;
var button = JX.DOM.find(form, 'button');
button.disabled = loading;
} catch (ex) {
// haven't loaded it yet!
}
}
function markWidgetLoading(loading) {
var root = JX.DOM.find(document, 'div', 'conpherence-layout');
var widgets_root = JX.DOM.find(root, 'div', 'conpherence-participant-pane');
JX.DOM.alterClass(widgets_root, 'loading', loading);
}
function reloadWidget(data) {
markWidgetLoading(true);
if (!data.widget) {
data.widget = getDefaultWidget();
}
var widget_uri = config.baseURI + 'participant/' + data.threadID + '/';
new JX.Workflow(widget_uri, {})
.setHandler(JX.bind(null, onWidgetResponse, data.threadID, data.widget))
.start();
}
JX.Stratcom.listen(
'conpherence-reload-widget',
null,
function (e) {
var data = e.getData();
if (data.threadID != _thread.selected) {
return;
}
reloadWidget(data);
}
);
function onWidgetResponse(thread_id, widget, response) {
// we got impatient and this is no longer the right answer :/
if (_thread.selected != thread_id) {
return;
}
var root = JX.DOM.find(document, 'div', 'conpherence-layout');
var widgets_root = JX.DOM.find(root, 'div', 'conpherence-widgets-holder');
JX.DOM.setContent(widgets_root, JX.$H(response.widgets));
}
function getDefaultWidget() {
return 'widgets-people';
}
/**
* This function is a wee bit tricky. Internally, we want to scroll the
* message window and let other stuff - notably widgets - redraw / build if
* necessary. Externally, we want a hook to scroll the message window
* - notably when the widget selector is used to invoke the message pane.
* The following three functions get 'er done.
*/
function didRedrawThread(build_device_widget_selector) {
_scrollMessageWindow();
_focusTextarea();
JX.Stratcom.invoke(
'conpherence-did-redraw-thread',
null,
{
widget : getDefaultWidget(),
threadID : _thread.selected,
buildDeviceWidgetSelector : build_device_widget_selector
});
}
var _firstScroll = true;
function _scrollMessageWindow() {
if (_firstScroll) {
_firstScroll = false;
// We want to let the standard #anchor tech take over after we make sure
// we don't have to present the user with a "load older message?" dialog
if (window.location.hash) {
var hash = window.location.hash.replace(/^#/, '');
try {
JX.$('anchor-' + hash);
} catch (ex) {
var uri = '/conpherence/' +
_thread.selected + '/' + hash + '/';
threadManager.setLoadThreadURI(uri);
threadManager.loadThreadByID(_thread.selected, true);
_firstScroll = true;
return;
}
return;
}
}
scrollbar.scrollTo(scrollbar.getViewportNode().scrollHeight);
}
function _focusTextarea() {
var root = JX.DOM.find(document, 'div', 'conpherence-layout');
var form_root = JX.DOM.find(root, 'div', 'conpherence-form');
try {
var textarea = JX.DOM.find(form_root, 'textarea');
// We may have a draft so do this JS trick so we end up focused at the
// end of the draft.
var textarea_value = textarea.value;
textarea.value = '';
JX.DOM.focus(textarea);
textarea.value = textarea_value;
} catch (ex) {
// no textarea? no problem
}
}
JX.Stratcom.listen(
'conpherence-redraw-thread',
null,
function () {
_scrollMessageWindow();
}
);
JX.Stratcom.listen(
'click',
'conpherence-menu-click',
function(e) {
if (!e.isNormalClick()) {
return;
}
// On devices, just follow the link normally.
if (JX.Device.getDevice() != 'desktop') {
return;
}
e.kill();
selectThread(e.getNode('conpherence-menu-click'), true);
});
/**
* On devices, we just show a thread list, so we don't want to automatically
* select or load any threads. On desktop, we automatically select the first
* thread, changing the _currentRole from list to thread.
*/
function onDeviceChange() {
var new_device = JX.Device.getDevice();
if (new_device === _oldDevice) {
return;
}
if (_oldDevice === null) {
_oldDevice = new_device;
if (_currentRole == 'list') {
if (new_device != 'desktop') {
return;
}
} else {
loadThreads();
return;
}
}
var update_toggled_widget =
new_device == 'desktop' || _oldDevice == 'desktop';
_oldDevice = new_device;
if (_thread.visible !== null && update_toggled_widget) {
JX.Stratcom.invoke(
'conpherence-did-redraw-thread',
null,
{
widget : getDefaultWidget(),
threadID : _thread.selected
});
}
if (_currentRole == 'list' && new_device == 'desktop') {
// this selects a thread and loads it
didLoadThreads();
_currentRole = 'thread';
var root = JX.DOM.find(document, 'div', 'conpherence-layout');
JX.DOM.alterClass(root, 'conpherence-role-list', false);
JX.DOM.alterClass(root, 'conpherence-role-thread', true);
}
}
JX.Stratcom.listen('phabricator-device-change', null, onDeviceChange);
function loadThreads() {
markThreadsLoading(true);
var uri = config.baseURI + 'thread/' + config.selectedThreadID + '/';
new JX.Workflow(uri)
.setHandler(onLoadThreadsResponse)
.start();
}
function onLoadThreadsResponse(r) {
var layout = JX.$(config.layoutID);
var menu = JX.DOM.find(layout, 'div', 'conpherence-menu-pane');
JX.DOM.setContent(menu, JX.$H(r));
config.selectedID && selectThreadByID(config.selectedID);
markThreadsLoading(false);
}
function didLoadThreads() {
// If there's no thread selected yet, select the current thread or the
// first thread.
if (!_thread.selected) {
if (config.selectedID) {
selectThreadByID(config.selectedID, true);
} else {
var layout = JX.$(config.layoutID);
var threads = JX.DOM.scry(layout, 'a', 'conpherence-menu-click');
if (threads.length) {
selectThread(threads[0]);
} else {
var nothreads = JX.DOM.find(layout, 'div', 'conpherence-no-threads');
nothreads.style.display = 'block';
markThreadLoading(false);
markWidgetLoading(false);
}
}
}
}
JX.Stratcom.listen(
['keydown'],
'conpherence-pontificate',
function (e) {
threadManager.handleDraftKeydown(e);
});
});