--- /dev/null
+/*\r
+© Copyright 2008 Nokia Corporation. All rights reserved.\r
+\r
+IMPORTANT: The Nokia software ("WRTKit and Example Widget files") is supplied to you by Nokia\r
+Corporation (ÒNokiaÓ) in consideration of your agreement to the following terms. Your use, installation\r
+and/or redistribution of the WRTKit and Example Widget files constitutes acceptance of these terms. If\r
+you do not agree with these terms, please do not use, install, or redistribute the WRTKit and Example\r
+Widget files.\r
+\r
+In consideration of your agreement to abide by the following terms, and subject to these terms, Nokia\r
+grants you a personal, non-exclusive license, under NokiaÕs copyrights in the WRTKit and Example\r
+Widget files, to use, reproduce, and redistribute the WRTKit and Example files, in text form (for HTML,\r
+CSS, or JavaScript files) or binary form (for associated images), for the sole purpose of creating S60\r
+Widgets.\r
+\r
+If you redistribute the WRTKit and Example files, you must retain this entire notice in all such\r
+redistributions of the WRTKit and Example files.\r
+\r
+You may not use the name, trademarks, service marks or logos of Nokia to endorse or promote products\r
+that include the WRTKit and Example files without the prior written explicit agreement with Nokia.\r
+Except as expressly stated in this notice, no other rights or licenses, express or implied, are granted by\r
+Nokia herein, including but not limited to any patent rights that may be infringed by your products that\r
+incorporate the WRTKit and Example files or by other works in which the WRTKit and Example files\r
+may be incorporated.\r
+\r
+The WRTKit and Example files are provided on an "AS IS" basis. NOKIA MAKES NO\r
+WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED\r
+WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A\r
+PARTICULAR PURPOSE, REGARDING THE EXAMPLES OR ITS USE AND OPERATION\r
+ALONE OR IN COMBINATION WITH YOUR PRODUCTS.\r
+\r
+IN NO EVENT SHALL NOKIA BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR\r
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
+INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, AND/OR\r
+DISTRIBUTION OF THE EXAMPLES, HOWEVER CAUSED AND WHETHER UNDER THEORY\r
+OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE,\r
+EVEN IF NOKIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
+\r
+*/\r
+\r
+///////////////////////////////////////////////////////////////////////////////\r
+// The UI manager manages a set of views and other user interface elements.\r
+\r
+// Constructor.\r
+function UIManager(viewParentElement, scrollbarParentElement, enableScrollBar, delayInit) { \r
+ uiLogger.debug("UIManager(" + viewParentElement + ", " + scrollbarParentElement + ")");\r
+ if (delayInit == null) {\r
+ this.init(viewParentElement, enableScrollBar, scrollbarParentElement);\r
+ }\r
+}\r
+\r
+// Parent element for views.\r
+UIManager.prototype.viewParentElement = null;\r
+\r
+// Parent element for scrollbar.\r
+UIManager.prototype.scrollbarParentElement = null;\r
+\r
+// The currently displayed view.\r
+UIManager.prototype.currentView = null;\r
+\r
+// Reference to the scrollbar.\r
+UIManager.prototype.scrollbar = null;\r
+\r
+// Current scroll Y position.\r
+UIManager.prototype.scrollY = -1;\r
+\r
+// Current viewport height.\r
+UIManager.prototype.viewportHeight = -1;\r
+\r
+// Current document height.\r
+UIManager.prototype.documentHeight = -1;\r
+\r
+// Timer identifier or null if no active timer.\r
+UIManager.prototype.timerId = null;\r
+\r
+// Interval for timer ticks for the UI manager timer (in milliseconds)\r
+UIManager.prototype.TIMER_INTERVAL = 250;\r
+\r
+// Reference to the notification popup used to displays notifications.\r
+UIManager.prototype.notificationPopup = null;\r
+\r
+// is scrollbar enabled\r
+UIManager.prototype.enableScrollBar = null;\r
+\r
+// init function\r
+UIManager.prototype.init = function(viewParentElement, enableScrollBar, scrollbarParentElement) {\r
+ this.enableScrollBar = enableScrollBar;\r
+ \r
+ // parent element for views\r
+ if (viewParentElement == null) {\r
+ // create a parent for views\r
+ this.viewParentElement = document.createElement("div");\r
+ this.viewParentElement.className = "ViewContainer";\r
+ document.body.appendChild(this.viewParentElement);\r
+ }\r
+ else {\r
+ this.viewParentElement = viewParentElement;\r
+ }\r
+ \r
+ // parent element for scrollbar\r
+ if (enableScrollBar) {\r
+ if (scrollbarParentElement == null) {\r
+ // create a parent for the scrollbar\r
+ this.scrollbarParentElement = document.createElement("div");\r
+ this.scrollbarParentElement.className = "DocumentScrollbarContainer";\r
+ document.body.appendChild(this.scrollbarParentElement);\r
+ }\r
+ else {\r
+ this.scrollbarParentElement = scrollbarParentElement;\r
+ }\r
+ }\r
+ \r
+ // currently selected view\r
+ this.currentView = null;\r
+ \r
+ // create the notification popup\r
+ // the notification popup adds itself as a child element to the document body\r
+ this.notificationPopup = new NotificationPopup();\r
+ \r
+ // create scrollbar\r
+ if (enableScrollBar) {\r
+ this.scrollbar = new Scrollbar(this.scrollbarParentElement);\r
+ }\r
+ \r
+ // setup scrollbar tracking\r
+ var self = this;\r
+ this.startTimer();\r
+ if (enableScrollBar) {\r
+ window.addEventListener("resize", function(){\r
+ self.updateScrollbar();\r
+ }, false);\r
+ window.addEventListener("scroll", function(){\r
+ self.updateScrollbar();\r
+ }, false);\r
+ }\r
+}\r
+\r
+// Returns the current view.\r
+UIManager.prototype.getView = function() {\r
+ return this.currentView;\r
+}\r
+\r
+// Switches to the specified view.\r
+UIManager.prototype.setView = function(view) {\r
+ uiLogger.debug("View set to " + view.id);\r
+ \r
+ // remove the current view from the parent element\r
+ if (this.currentView != null) {\r
+ this.viewParentElement.removeChild(this.currentView.rootElement);\r
+ }\r
+ \r
+ // reset scroll\r
+ window.scrollTo(0, 0);\r
+ \r
+ // add the new view to the parent element\r
+ if (view != null) {\r
+ this.currentView = view;\r
+ this.currentView.resetControlFocusStates();\r
+ this.viewParentElement.appendChild(this.currentView.rootElement);\r
+ }\r
+ \r
+ // update scrollbar\r
+ if (this.enableScrollBar) {\r
+ this.updateScrollbar();\r
+ }\r
+ \r
+ // focus the first focusable control\r
+ // a timer is used to prevent unwanted focus shift\r
+ setTimeout(function() { view.focusFirstControl(); }, 1);\r
+}\r
+\r
+// Updates the scrollbar.\r
+UIManager.prototype.updateScrollbar = function() {\r
+ if (this.enableScrollBar) {\r
+ // get current viewport and document position and dimensions\r
+ var scrollY = window.scrollY;\r
+ var viewportHeight = window.innerHeight;\r
+ var documentHeight = Math.max(document.documentElement.scrollHeight, document.height);\r
+ \r
+ // check if the scroll position or view has changed\r
+ if (this.scrollY != scrollY ||\r
+ this.viewportHeight != viewportHeight ||\r
+ this.documentHeight != documentHeight) {\r
+ // scroll position or view has changed\r
+ this.scrollY = scrollY;\r
+ this.viewportHeight = viewportHeight;\r
+ this.documentHeight = documentHeight;\r
+ \r
+ // update the scrollbar\r
+ this.scrollbar.update(scrollY, viewportHeight, documentHeight);\r
+ uiLogger.debug("Scrollbar updated");\r
+ }\r
+ }\r
+}\r
+\r
+// Starts the view manager timer.\r
+UIManager.prototype.startTimer = function() {\r
+ if (this.timerId == null) {\r
+ uiLogger.debug("UIManager timer started");\r
+ var self = this;\r
+ // setup the timer\r
+ this.timerId = setInterval(function() { self.onTimer(); }, this.TIMER_INTERVAL);\r
+ } else {\r
+ uiLogger.warn("UIManager timer already running");\r
+ }\r
+}\r
+\r
+// Stops the view manager timer.\r
+UIManager.prototype.stopTimer = function() {\r
+ if (this.timerId != null) {\r
+ // stop the timer\r
+ clearTimeout(this.timerId);\r
+ this.timerId = null;\r
+ } else {\r
+ uiLogger.warn("UIManager timer already stopped");\r
+ }\r
+}\r
+\r
+// Timer callback function.\r
+UIManager.prototype.onTimer = function() {\r
+ if (this.enableScrollBar) {\r
+ // make sure the scrollbar is up to date\r
+ this.updateScrollbar();\r
+ }\r
+}\r
+\r
+// Displays a notification.\r
+UIManager.prototype.showNotification = function(displayTime, type, text, progress) {\r
+ uiLogger.debug("UIManager.showNotification(" + displayTime + ", " + type + ", " + text + ", " + progress + ")");\r
+ // use the notification popup to show the notification\r
+ this.notificationPopup.showNotification(displayTime, type, text, progress);\r
+}\r
+\r
+// Hides the currently displayed notification.\r
+UIManager.prototype.hideNotification = function() {\r
+ uiLogger.debug("UIManager.hideNotification()");\r
+ // hide the notification popup\r
+ this.notificationPopup.hideNotification();\r
+}\r
projects / ptas / blobdiff