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roundcubemail-swipe/swipe.js

498 lines
20 KiB
JavaScript

/**
* Swipe plugin script
*
* @licstart The following is the entire license notice for the
* JavaScript code in this file.
*
* Copyright (C) 2018 Philip Weir
*
* The JavaScript code in this page is free software: you can redistribute it
* and/or modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* @licend The above is the entire license notice
* for the JavaScript code in this file.
*/
rcube_webmail.prototype.swipe_position_target = function(obj, pos, vertical) {
var translate = '';
if (pos)
translate = (vertical ? 'translatey' : 'translatex') + '('+ pos +'px)';
if (bw.edge && $(obj).is('tr')) // Edge does not support transform on <tr>s
$(obj).children('td').css('transform', translate);
else
$(obj).css('transform', translate);
};
rcube_webmail.prototype.swipe_list_selection = function(uid, show, prev_sel) {
// make the system think no preview pane exists while we do some fake message selects
// to enable/disable relevant commands for current selection
var prev_contentframe = rcmail.env.contentframe, i;
this.env.contentframe = null;
if (show) {
if (this.message_list.selection.length == 0 || !this.message_list.in_selection(uid)) {
prev_sel = prev_sel ? prev_sel : this.message_list.get_selection();
this.message_list.clear_selection();
this.message_list.highlight_row(uid, true);
}
}
else if (prev_sel) {
this.message_list.clear_selection();
for (i in prev_sel)
rcmail[this.list_object].highlight_row(prev_sel[i], true);
}
else {
this.message_list.clear_selection();
}
this.env.contentframe = prev_contentframe;
return prev_sel;
};
rcube_webmail.prototype.swipe_action_callback = function(command, type, props) {
if (!props.uid)
return;
if (type == 'mark') {
this.mark_message(command, props.uid);
}
else if (type == 'compose') {
this.enable_command(command, true);
this.env.uid = props.uid;
this.command(command, '', props.obj, props.originalEvent);
}
else if (type == 'select') {
this.message_list.highlight_row(props.uid, true);
var select_class = '';
if (select_class = $('#swipeoptions-menu').data('listselection-class')) {
if (command == 'deselect' && this.message_list.get_selection().length == 0)
$(this.gui_objects.messagelist).removeClass(select_class);
else
$(this.gui_objects.messagelist).addClass(select_class);
}
}
else {
var prev_sel = this.swipe_list_selection(props.uid, true);
// enable command
var prev_command = this.commands[command];
this.enable_command(command, true);
// some actions require a button click in the UI to trigger things like popovers
// rather than a direct command call
$('#' + this.buttons[command][0].id).trigger('click');
if (props.delay_disable) {
return {'prev_command': prev_command, 'prev_sel': prev_sel};
}
else {
// restore original state
this.enable_command(command, prev_command);
this.swipe_list_selection(props.uid, false, prev_sel);
}
}
};
rcube_webmail.prototype.swipe_select_action = function(direction, obj) {
var action = {
'class': '',
'text': '',
'callback': null
};
ret = this.triggerEvent('swipe-action', {'direction': direction, 'obj': obj});
if (ret !== undefined) {
// abort if one of the handlers returned false
if (ret === false)
return action;
else
return ret;
}
if (this.env.swipe_actions[direction] == 'archive' && this.env.archive_folder) {
action.class = 'archive';
action.text = 'archive.buttontext';
action.callback = function(p) { rcmail.swipe_action_callback('plugin.archive', null, p); };
}
else if (this.env.swipe_actions[direction] == 'checkmail') {
action.class = 'checkmail';
action.text = 'refresh';
action.callback = function(p) { rcmail.command('checkmail'); };
}
else if (this.env.swipe_actions[direction] == 'delete') {
action.class = 'delete';
action.text = 'delete';
action.callback = function(p) { rcmail.swipe_action_callback('delete', null, p); };
}
else if (this.env.swipe_actions[direction] == 'forward') {
action.class = 'forward';
action.text = 'forward';
action.callback = function(p) { rcmail.swipe_action_callback('forward', 'compose', p); };
}
else if (this.env.swipe_actions[direction] == 'markasjunk') {
action.class = 'junk';
action.text = 'markasjunk.buttontitle';
action.callback = function(p) { rcmail.swipe_action_callback('plugin.markasjunk', null, p); };
}
else if (this.env.swipe_actions[direction] == 'move') {
action.class = 'move';
action.text = 'moveto';
action.callback = function(p) {
p.delay_disable = true;
var ret = rcmail.swipe_action_callback('move', null, p);
// delay disabling the action until the next click
rcmail.env.swipe_delayed_action = function(e) {
if ($(e.target).parents('.folderlist').length == 0) {
rcmail.enable_command('move', ret.prev_command);
rcmail.swipe_list_selection(p.uid, false, ret.prev_sel);
rcmail.env.swipe_delayed_action = null;
}
};
};
}
else if (this.env.swipe_actions[direction] == 'reply') {
action.class = 'reply';
action.text = 'reply';
action.callback = function(p) { rcmail.swipe_action_callback('reply', 'compose', p); };
}
else if (this.env.swipe_actions[direction] == 'reply-all') {
action.class = 'replyall';
action.text = 'replyall';
action.callback = function(p) { rcmail.swipe_action_callback('reply-all', 'compose', p); };
}
else if (this.env.swipe_actions[direction] == 'swipe-read') {
if (obj.hasClass('unread')) {
action.class = 'read';
action.text = 'swipe.markasread';
action.callback = function(p) { rcmail.swipe_action_callback('read', 'mark', p); };
}
else {
action.class = 'unread';
action.text = 'swipe.markasunread';
action.callback = function(p) { rcmail.swipe_action_callback('unread', 'mark', p); };
}
}
else if (this.env.swipe_actions[direction] == 'swipe-flagged') {
if (obj.hasClass('flagged')) {
action.class = 'unflagged';
action.text = 'swipe.markasunflagged';
action.callback = function(p) { rcmail.swipe_action_callback('unflagged', 'mark', p); };
}
else {
action.class = 'flagged';
action.text = 'swipe.markasflagged';
action.callback = function(p) { rcmail.swipe_action_callback('flagged', 'mark', p); };
}
}
else if (this.env.swipe_actions[direction] == 'swipe-select') {
if (obj.hasClass('selected')) {
action.class = 'deselect';
action.text = 'swipe.deselect';
action.callback = function(p) { rcmail.swipe_action_callback('deselect', 'select', p); };
}
else {
action.class = 'select';
action.text = 'select';
action.callback = function(p) { rcmail.swipe_action_callback('select', 'select', p); };
}
}
return action;
};
rcube_webmail.prototype.swipe_event = function(opts) {
var touchevents = {
'startevent': 'pointerdown',
'moveevent': 'pointermove',
'endevent': 'pointerup',
'id': function(e) { return e.pointerId; },
'type': function(e) { return e.pointerType; },
'pos': function(e, x) { return e.originalEvent[ x ? 'pageX' : 'pageY']; }
};
var touchstart = {};
// fallback to touch events if there is no pointer support
if (!bw.pointer) {
touchevents = {
'startevent': 'touchstart',
'moveevent': 'touchmove',
'endevent': 'touchend',
'id': function(e) { return 1; },
'type': function(e) { return 'touch'; },
'pos': function(e, x) { return e.originalEvent.targetTouches[0][ x ? 'pageX' : 'pageY']; }
};
}
// prevent accidental message list scroll when swipe active
rcmail.env.swipe_parent.on('scroll', function() {
if (bw.pointer) {
// allow vertical pointer events to fire (if one is configured)
if ($(this).scrollTop() == 0) {
var action = rcmail.swipe_select_action('down');
// Edge does not support pan-down, only pan-y
rcmail.env.swipe_parent.css('touch-action', action.callback ? (bw.edge ? 'none' : 'pan-down') : 'pan-y');
$(rcmail.gui_objects.messagelist).children('tbody > tr').css('touch-action', action.callback ? (bw.edge ? 'none' : 'pan-down') : 'pan-y');
}
}
else if (bw.touch) {
if (rcmail.env.swipe_active)
return false;
}
}).trigger('scroll');
// swipe down on message list container
opts.source_obj
.on(touchevents.startevent, function(e) {
if (!rcmail.env.swipe_active && touchevents.type(e) == 'touch') {
touchstart.x = touchevents.pos(e, true);
touchstart.y = touchevents.pos(e, false);
touchstart.id = touchevents.id(e);
touchstart.scrollable = rcmail.env.swipe_parent[0].offsetHeight < rcmail.env.swipe_parent[0].scrollHeight;
if (opts.parent_obj)
opts.parent_obj.off(touchevents.moveevent, rcube_event.cancel);
// set display block to make table height work on android
if ($.isEmptyObject(rcmail.message_list.rows))
$(rcmail.gui_objects.messagelist).addClass('swipe-block');
}
})
.on(touchevents.moveevent, function(e) {
// make sure no other swipes are active and no other pointers
if (touchstart.id != touchevents.id(e) || touchevents.type(e) != 'touch')
return;
var changeX = touchevents.pos(e, true) - touchstart.x;
var changeY = touchevents.pos(e, false) - touchstart.y;
// stop the message row from sliding off the screen completely
changeY = opts.vertical ? Math.min(opts.vertical.maxmove, changeY) : 0;
changeX = opts.horizontal ? (changeX < 0 ? Math.max(opts.horizontal.maxmove * -1, changeX) : Math.min(opts.horizontal.maxmove, changeX)) : 0;
var temp_axis;
if (((changeY > 5 || changeY < -5) && changeX < 5 && changeX > -5) || (opts.vertical && opts.vertical.target_obj.hasClass('swipe-active'))) {
temp_axis = 'vertical';
}
else if (((changeX > 5 || changeX < -5) && changeY < 5 && changeY > -5) || (opts.horizontal && opts.horizontal.target_obj.hasClass('swipe-active'))) {
temp_axis = 'horizontal';
}
else {
return;
}
// make sure no other swipes are active
if (!temp_axis || !opts[temp_axis] || (rcmail.env.swipe_active && rcmail.env.swipe_active != temp_axis))
return;
if (temp_axis == 'vertical') {
if (bw.pointer && changeY < 0) {
$('#swipe-action').removeClass().hide();
if (touchstart.scrollable) {
rcmail.env.swipe_parent.css('touch-action', 'pan-y');
$(rcmail.gui_objects.messagelist).children('tbody > tr').css('touch-action', 'pan-y');
}
return;
}
else if (changeY < 0 || (changeY > 0 && opts.vertical.target_obj.parent().scrollTop() > 0)) {
return;
}
}
// save the axis info
touchstart.axis = temp_axis;
var direction = (touchstart.axis == 'vertical' ? 'down' : (changeX < 0 ? 'left' : 'right'));
var action = rcmail.swipe_select_action(direction, opts.source_obj);
// skip if there is no event
if (!action.callback)
return;
$('#swipe-action')
.data('callback', action.callback)
.children('div')
.removeClass()
.addClass(direction)
.children('span')
.removeClass()
.addClass(action.class)
.text(rcmail.gettext(action.text));
if (!opts[touchstart.axis].target_obj.hasClass('swipe-active')) {
var action_style = opts[touchstart.axis].action_sytle(opts[touchstart.axis].target_obj);
$('#swipe-action').css({
'top': action_style.top,
'left': action_style.left,
'width': action_style.width,
'height': action_style.height
}).show();
opts[touchstart.axis].target_obj.addClass('swipe-active');
rcmail.env.swipe_active = touchstart.axis; // set the active swipe
if (opts.parent_obj)
opts.parent_obj.on(touchevents.moveevent, rcube_event.cancel);
}
// the user must swipe a certain about before the action is activated, try to prevent accidental actions
if ((touchstart.axis == 'vertical' && changeY > opts[touchstart.axis].minmove) ||
(touchstart.axis == 'horizontal' && (changeX < (opts[touchstart.axis].minmove * -1) || changeX > opts[touchstart.axis].minmove))) {
$('#swipe-action').addClass(action.class);
}
else {
// reset the swipe if the user takes the row back to the start
$('#swipe-action').removeClass();
$('#swipe-action').data('callback', null);
}
rcmail.swipe_position_target(opts[touchstart.axis].target_obj, touchstart.axis == 'vertical' ? changeY : changeX, touchstart.axis == 'vertical');
})
.on(touchevents.endevent, function(e) {
if (touchevents.type(e) == 'touch' && touchstart.id == touchevents.id(e) && rcmail.env.swipe_active &&
rcmail.env.swipe_active == touchstart.axis && opts[touchstart.axis].target_obj.hasClass('swipe-active')) {
rcmail.swipe_position_target(opts[touchstart.axis].target_obj, 0, touchstart.axis == 'vertical');
var callback = null;
if (callback = $('#swipe-action').data('callback'))
callback({'uid': opts[touchstart.axis].uid, 'obj': opts[touchstart.axis].target_obj, 'originalEvent': e});
$('#swipe-action').removeClass().hide();
opts[touchstart.axis].target_obj.removeClass('swipe-active');
$(rcmail.gui_objects.messagelist).removeClass('swipe-block');
touchstart = {};
rcmail.env.swipe_active = null;
if (opts.parent_obj)
opts.parent_obj.off(touchevents.moveevent, rcube_event.cancel);
}
});
}
$(document).ready(function() {
if (window.rcmail && ((bw.touch && !bw.ie) || bw.pointer)) {
rcmail.addEventListener('init', function() {
var messagelist_container = $(rcmail.gui_objects.messagelist).parent();
if (rcmail.message_list.draggable || !messagelist_container[0].addEventListener)
return;
rcmail.env.swipe_parent = messagelist_container;
rcmail.env.swipe_parent.prepend($('<div>').attr('id', 'swipe-action').html($('<div>').append($('<span>'))).hide());
// down swipe on message list container
var swipe_config = {
'source_obj': rcmail.env.swipe_parent,
'parent_obj': null,
'vertical': {
'minmove': $(window).height() * 0.1,
'maxmove': $(window).height() * 0.2,
'action_sytle': function(o) {
return {
'top': 0,
'left': 0,
'width': rcmail.env.swipe_parent.width() + 'px',
'height': $(window).height() * 0.2 + 'px'
};
},
'target_obj': $(rcmail.gui_objects.messagelist),
'uid': null
}
};
rcmail.swipe_event(swipe_config);
});
// right/left/down swipe on message list
rcmail.addEventListener('insertrow', function(props) {
if (rcmail.message_list.draggable || !$('#' + props.row.id)[0].addEventListener)
return;
var swipe_config = {
'source_obj': $('#' + props.row.id),
'parent_obj': rcmail.env.swipe_parent,
'horizontal': {
'minmove': $('#' + props.row.id).width() * 0.25,
'maxmove': $('#' + props.row.id).width() * 0.6,
'action_sytle': function(o) {
return {
'top': o.position().top,
'left': o.position().left,
'width': o.width() + 'px',
'height': (o.height() - 2) + 'px' // subtract the border
};
},
'target_obj': $('#' + props.row.id),
'uid': props.uid
},
'vertical': {
'minmove': $(window).height() * 0.1,
'maxmove': $(window).height() * 0.2,
'action_sytle': function(o) {
return {
'top': o.children('tbody').position().top,
'left': o.children('tbody').position().left,
'width': o.children('tbody').width() + 'px',
'height': $(window).height() * 0.2 + 'px'
};
},
'target_obj': $(rcmail.gui_objects.messagelist),
'uid': null
}
};
rcmail.swipe_event(swipe_config);
});
// disable delayed commands (eg move)
$(document.body).on('click', function(e) {
if (rcmail.env.swipe_delayed_action)
rcmail.env.swipe_delayed_action(e);
});
// add swipe options to list options menu
rcmail.addEventListener('menu-open', function(p) {
if (p.name == $('#swipeoptions-menu').data('options-menuname')) {
if (!rcmail.message_list.draggable) {
// set form values
$.each(['left', 'right', 'down'], function() {
$('select[name="swipe_' + this + '"]:visible').val(rcmail.env.swipe_actions[this]);
});
$('fieldset.swipe').show();
}
else {
$('fieldset.swipe').hide();
}
}
});
// save swipe options
rcmail.set_list_options_core = rcmail.set_list_options;
rcmail.set_list_options = function(cols, sort_col, sort_order, threads, layout)
{
var post = {};
$.each(['left', 'right', 'down'], function() {
if ($('select[name="swipe_' + this + '"]:visible').val() != rcmail.env.swipe_actions[this]) {
rcmail.env.swipe_actions[this] = $('select[name="swipe_' + this + '"]:visible').val();
post['swipe_' + this] = rcmail.env.swipe_actions[this];
}
});
if (!$.isEmptyObject(post))
rcmail.http_post('plugin.swipe.save_settings', post);
rcmail.set_list_options_core(cols, sort_col, sort_order, threads, layout);
}
if ($('#swipeoptions-menu > fieldset').find('select').length > 0)
$('#swipeoptions-menu > fieldset').appendTo('#' + $('#swipeoptions-menu').data('options-menuid'));
}
});