Merge branch 'develop' into request_logging

Conflicts:
	setup.py
	synapse/storage/_base.py
	synapse/util/async.py

1 files changed, 275 insertions, 0 deletions

diff --git a/syweb/webclient/room/room-directive.js b/syweb/webclient/room/room-directive.js
new file mode 100644
index 0000000000..187032aa88
--- /dev/null
+++ b/syweb/webclient/room/room-directive.js
@@ -0,0 +1,275 @@
+/*
+ Copyright 2014 OpenMarket Ltd
+ 
+ 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.
+ */
+
+'use strict';
+
+angular.module('RoomController')
+.directive('tabComplete', ['$timeout', function ($timeout) {
+    return function (scope, element, attrs) {
+        element.bind("keydown keypress", function (event) {
+            // console.log("event: " + event.which);
+            var TAB = 9;
+            var SHIFT = 16;
+            var keypressCode = event.which;
+            if (keypressCode === TAB) {
+                if (!scope.tabCompleting) { // cache our starting text
+                    scope.tabCompleteOriginal = element[0].value;
+                    scope.tabCompleting = true;
+                    scope.tabCompleteIndex = 0;
+                }
+                
+                // loop in the right direction
+                if (event.shiftKey) {
+                    scope.tabCompleteIndex--;
+                    if (scope.tabCompleteIndex < 0) {
+                        // wrap to the last search match, and fix up to a real
+                        // index value after we've matched
+                        scope.tabCompleteIndex = Number.MAX_VALUE;
+                    }
+                }
+                else {
+                    scope.tabCompleteIndex++;
+                }
+                
+
+                var searchIndex = 0;
+                var targetIndex = scope.tabCompleteIndex;
+                var text = scope.tabCompleteOriginal;
+                
+                // console.log("targetIndex: " + targetIndex + ", 
+                // text=" + text);
+                                    
+                // FIXME: use the correct regexp to recognise userIDs --M
+                //
+                // XXX: I don't really know what the point of this is. You
+                // WANT to match freeform text given you want to match display
+                // names AND user IDs. Surely you just want to get the last
+                // word out of the input text and that's that?
+                // Am I missing something here? -- Kegan
+                //
+                // You're not missing anything - my point was that we should
+                // explicitly define the syntax for user IDs /somewhere/.
+                // Meanwhile as long as the delimeters are well defined, we
+                // could just pick "the last word".  But to know what the
+                // correct delimeters are, we probably do need a formal
+                // syntax for user IDs to refer to... --Matthew
+                
+                var search = /@?([a-zA-Z0-9_\-:\.]+)$/.exec(text);
+
+                if (targetIndex === 0) { // 0 is always the original text
+                    element[0].value = text;                    
+                    // Force angular to wake up and update the input ng-model 
+                    // by firing up input event
+                    angular.element(element[0]).triggerHandler('input');
+                }
+                else if (search && search[1]) {
+                    // console.log("search found: " + search+" from "+text);
+                    var expansion;
+                    
+                    // FIXME: could do better than linear search here
+                    angular.forEach(scope.members, function(item, name) {
+                        if (item.displayname && searchIndex < targetIndex) {
+                            if (item.displayname.toLowerCase().indexOf(search[1].toLowerCase()) === 0) {
+                                expansion = item.displayname;
+                                searchIndex++;
+                            }
+                        }
+                    });
+                    if (searchIndex < targetIndex) { // then search raw mxids
+                        angular.forEach(scope.members, function(item, name) {
+                            if (searchIndex < targetIndex) {
+                                // === 1 because mxids are @username
+                                if (name.toLowerCase().indexOf(search[1].toLowerCase()) === 1) {
+                                    expansion = name;
+                                    searchIndex++;
+                                }
+                            }
+                        });
+                    }
+                    
+                    if (searchIndex === targetIndex || 
+                            targetIndex === Number.MAX_VALUE) {
+                        // xchat-style tab complete, add a colon if tab 
+                        // completing at the start of the text
+                        if (search[0].length === text.length)
+                            expansion += ": ";
+                        else
+                            expansion += " ";
+                        element[0].value = text.replace(/@?([a-zA-Z0-9_\-:\.]+)$/, expansion);
+                        // cancel blink
+                        element[0].className = "";     
+                        if (targetIndex === Number.MAX_VALUE) {
+                            // wrap the index around to the last index found
+                            scope.tabCompleteIndex = searchIndex;
+                            targetIndex = searchIndex;
+                        }
+                    }
+                    else {
+                        // console.log("wrapped!");
+                        element[0].className = "blink"; // XXX: slightly naughty to bypass angular
+                        $timeout(function() {
+                             element[0].className = "";
+                        }, 150);
+                        element[0].value = text;
+                        scope.tabCompleteIndex = 0;
+                    }
+
+                    // Force angular to wak up and update the input ng-model by
+                    // firing up input event
+                    angular.element(element[0]).triggerHandler('input');
+                }
+                else {
+                    scope.tabCompleteIndex = 0;
+                }
+                // prevent the default TAB operation (typically focus shifting)
+                event.preventDefault();
+            }
+            else if (keypressCode !== SHIFT && scope.tabCompleting) {
+                scope.tabCompleting = false;
+                scope.tabCompleteIndex = 0;
+            }
+        });
+    };
+}])
+// A directive which stores text sent into it and restores it via up/down arrows
+.directive('commandHistory', [ function() {
+    var BROADCAST_NEW_HISTORY_ITEM = "commandHistory:BROADCAST_NEW_HISTORY_ITEM(item)";
+
+    // Manage history of typed messages
+    // History is saved in sessionStorage so that it survives when the user
+    // navigates through the rooms and when it refreshes the page
+    var history = {
+        // The list of typed messages. Index 0 is the more recents
+        data: [],
+
+        // The position in the history currently displayed
+        position: -1,
+        
+        element: undefined,
+        roomId: undefined,
+
+        // The message the user has started to type before going into the history
+        typingMessage: undefined,
+
+        // Init/load data for the current room
+        init: function(element, roomId) {
+            this.roomId = roomId;
+            this.element = element;
+            var data = sessionStorage.getItem("history_" + this.roomId);
+            if (data) {
+                this.data = JSON.parse(data);
+            }
+        },
+
+        // Store a message in the history
+        push: function(message) {
+            this.data.unshift(message);
+
+            // Update the session storage
+            sessionStorage.setItem("history_" + this.roomId, JSON.stringify(this.data));
+
+            // Reset history position
+            this.position = -1;
+            this.typingMessage = undefined;
+        },
+
+        // Move in the history
+        go: function(offset) {
+
+            if (-1 === this.position) {
+                // User starts to go to into the history, save the current line
+                this.typingMessage = this.element.val();
+            }
+            else {
+                // If the user modified this line in history, keep the change
+                this.data[this.position] = this.element.val();
+            }
+
+            // Bounds the new position to valid data
+            var newPosition = this.position + offset;
+            newPosition = Math.max(-1, newPosition);
+            newPosition = Math.min(newPosition, this.data.length - 1);
+            this.position = newPosition;
+
+            if (-1 !== this.position) {
+                // Show the message from the history
+                this.element.val(this.data[this.position]);
+            }
+            else if (undefined !== this.typingMessage) {
+                // Go back to the message the user started to type
+                this.element.val(this.typingMessage);
+            }
+        }
+    };
+
+    return {
+        restrict: "AE",
+        scope: {
+            roomId: "=commandHistory"
+        },
+        link: function (scope, element, attrs) {
+            element.bind("keydown", function (event) {
+                var keycodePressed = event.which;
+                var UP_ARROW = 38;
+                var DOWN_ARROW = 40;
+                if (scope.roomId) {
+                    if (keycodePressed === UP_ARROW) {
+                        history.go(1);
+                        event.preventDefault();
+                    }
+                    else if (keycodePressed === DOWN_ARROW) {
+                        history.go(-1);
+                        event.preventDefault();
+                    }
+                }
+            });
+            
+            scope.$on(BROADCAST_NEW_HISTORY_ITEM, function(ngEvent, item) {
+                history.push(item);
+            });
+            
+            history.init(element, scope.roomId);
+        },
+        
+    }
+}])
+
+// A directive to anchor the scroller position at the bottom when the browser is resizing.
+// When the screen resizes, the bottom of the element remains the same, not the top.
+.directive('keepScroll', ['$window', function($window) {
+    return {
+        link: function(scope, elem, attrs) {
+
+            scope.windowHeight = $window.innerHeight;
+
+            // Listen to window size change
+            angular.element($window).bind('resize', function() {
+
+                // If the scroller is scrolled to the bottom, there is nothing to do.
+                // The browser will move it as expected
+                if (elem.scrollTop() + elem.height() !== elem[0].scrollHeight) {
+                    // Else, move the scroller position according to the window height change delta
+                    var windowHeightDelta = $window.innerHeight - scope.windowHeight;
+                    elem.scrollTop(elem.scrollTop() - windowHeightDelta);
+                }
+
+                // Store the new window height for the next screen size change
+                scope.windowHeight = $window.innerHeight;
+            });
+        }
+    };
+}]);
+