litesoft
@ 906
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/* * Copyright 2010 Daniel Kurka * * 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. */ package com.googlecode.mgwt.ui.client; import com.google.gwt.core.client.GWT; import com.google.gwt.core.client.JavaScriptObject; import com.google.gwt.core.client.Scheduler; import com.google.gwt.core.client.Scheduler.ScheduledCommand; import com.google.gwt.dom.client.BodyElement; import com.google.gwt.dom.client.Document; import com.google.gwt.dom.client.Element; import com.google.gwt.dom.client.LinkElement; import com.google.gwt.dom.client.MetaElement; import com.google.gwt.dom.client.NodeList; import com.google.gwt.dom.client.Style.Display; import com.google.gwt.dom.client.Style.Float; import com.google.gwt.dom.client.Style.Unit; import com.google.gwt.dom.client.StyleInjector; import com.google.gwt.event.logical.shared.CloseEvent; import com.google.gwt.event.logical.shared.CloseHandler; import com.google.gwt.event.logical.shared.ResizeEvent; import com.google.gwt.event.logical.shared.ResizeHandler; import com.google.gwt.event.shared.EventBus; import com.google.gwt.event.shared.HandlerRegistration; import com.google.gwt.event.shared.SimpleEventBus; import com.google.gwt.user.client.Timer; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.ui.Anchor; import com.google.gwt.user.client.ui.RootPanel; import com.googlecode.mgwt.dom.client.event.orientation.OrientationChangeEvent; import com.googlecode.mgwt.dom.client.event.orientation.OrientationChangeEvent.ORIENTATION; import com.googlecode.mgwt.dom.client.event.orientation.OrientationChangeHandler; import com.googlecode.mgwt.ui.client.MGWTSettings.ViewPort; import com.googlecode.mgwt.ui.client.theme.base.UtilCss; import com.googlecode.mgwt.ui.client.util.AddressBarUtil; /** * The MGWT Object is used to apply settings for an MGWT App. It also provides an instance of * {@link OsDetection}, as well a way to determine the device orientation * * * * @author Daniel Kurka */ public class MGWT { private static OsDetection OS_DETECTION; private static EventBus manager; private static ORIENTATION currentOrientation; private static Timer timer; private static boolean scrollingDisabled; private static JavaScriptObject nativeJsFunction; private static AddressBarUtil addressBarUtil; /** * Add a orientation handler to detect the device orientation * * @param handler the handler to add * {@link com.googlecode.mgwt.dom.client.event.orientation.OrientationChangeHandler} . * @return a {@link com.google.gwt.event.shared.HandlerRegistration} object. */ public static HandlerRegistration addOrientationChangeHandler(OrientationChangeHandler handler) { maybeSetupOrientation(); return getManager().addHandler(OrientationChangeEvent.getType(), handler); } /** * Apply settings for this mgwt app. Every app should call this method with the options its wants * for their app * * The options are documented in @link {@link MGWTSettings} * * @param settings the settings for this app * */ public static void applySettings(MGWTSettings settings) { // This is a very nasty workaround because GWT CssResource does not // support @media correctly! StyleInjector.inject(MGWTStyle.getTheme().getMGWTClientBundle().utilTextResource().getText()); Element head = getHead(); if (settings.getIconUrl() != null) { LinkElement iconUrlLinkElement = Document.get().createLinkElement(); if (settings.isAddGlosToIcon()) { iconUrlLinkElement.setRel("apple-touch-startup-image"); } else { iconUrlLinkElement.setRel("apple-touch-startup-image-precomposed"); } iconUrlLinkElement.setHref(settings.getIconUrl()); head.appendChild(iconUrlLinkElement); } if (settings.getStartUrl() != null) { LinkElement startUrlLinkElement = Document.get().createLinkElement(); startUrlLinkElement.setRel("apple-touch-startup-image"); startUrlLinkElement.setHref(settings.getStartUrl()); head.appendChild(startUrlLinkElement); } ViewPort viewPort = settings.getViewPort(); if (viewPort != null) { MetaElement fixViewPortElement = Document.get().createMetaElement(); fixViewPortElement.setName("viewport"); fixViewPortElement.setContent(viewPort.getContent()); head.appendChild(fixViewPortElement); } if (settings.isFullscreen()) { MetaElement fullScreenMetaTag = Document.get().createMetaElement(); fullScreenMetaTag.setName("apple-mobile-web-app-capable"); fullScreenMetaTag.setContent("yes"); head.appendChild(fullScreenMetaTag); if (settings.getStatusBar() != null) { MetaElement statusBarMetaTag = Document.get().createMetaElement(); statusBarMetaTag.setName("apple-mobile-web-app-status-bar-style"); statusBarMetaTag.setContent(settings.getStatusBar()); head.appendChild(statusBarMetaTag); } } scrollingDisabled = settings.isPreventScrolling(); if (settings.isPreventScrolling() && getOsDetection().isIOs()) { BodyElement body = Document.get().getBody(); setupPreventScrolling(body); } if (settings.isDisablePhoneNumberDetection()) { MetaElement fullScreenMetaTag = Document.get().createMetaElement(); fullScreenMetaTag.setName("format-detection"); fullScreenMetaTag.setContent("telephone=no"); head.appendChild(fullScreenMetaTag); } if (settings.getStatusBarStyle() != null) { MetaElement statusBarTag = Document.get().createMetaElement(); statusBarTag.setName("apple-mobile-web-app-status-bar-style"); switch (settings.getStatusBarStyle()) { case BLACK: statusBarTag.setContent("black"); break; case BLACK_TRANSLUCENT: statusBarTag.setContent("black-translucent"); break; case DEFAULT: default: statusBarTag.setContent("default"); break; } head.appendChild(statusBarTag); } } /** * Detect if a web app is in full screen mode * * fullscreen currently only exits on ios * * @return true if the web app is in full screen mode, otherwise false */ public static native boolean isFullScreen()/*-{ if ($wnd.navigator.standalone) { return true; } return false; }-*/; /** * * Considered internal don`t call! * <p> * fixIOSScrollIssueBlur * </p> */ public static void fixIOSScrollIssueBlur() { if (!scrollingDisabled) { return; } if (timer != null) { timer.cancel(); } timer = new Timer() { @Override public void run() { Window.scrollTo(0, 0); } }; timer.schedule(100); } /** * Considered internal don`t call! * <p> * fixIOSScrollIssueFocus * </p> */ public static void fixIOSScrollIssueFocus() { if (!scrollingDisabled) { return; } if (timer != null) { timer.cancel(); } timer = null; } /** * Get the os detection interface * * @return a {@link com.googlecode.mgwt.ui.client.OsDetection} object. */ public static OsDetection getOsDetection() { if (OS_DETECTION == null) { OS_DETECTION = GWT.create(OsDetection.class); } return OS_DETECTION; } /** * Get the current orientation of the device * * @return the current orientation of the device */ public static ORIENTATION getOrientation() { if (!orientationSupport()) { int height = Window.getClientHeight(); int width = Window.getClientWidth(); if (width > height) { return ORIENTATION.LANDSCAPE; } else { return ORIENTATION.PORTRAIT; } } else { int orientation = getOrientation0(); ORIENTATION o; switch (orientation) { case 0: case 180: o = ORIENTATION.PORTRAIT; break; case 90: case -90: o = ORIENTATION.LANDSCAPE; break; default: throw new IllegalStateException("this should not happen!?"); } return o; } } private static void fireOrientationChangedEvent(ORIENTATION orientation) { setClasses(orientation); getManager().fireEvent(new OrientationChangeEvent(orientation)); } private static Element getHead() { NodeList<Element> elementsByTagName = Document.get().getElementsByTagName("head"); if (elementsByTagName.getLength() != 1) { throw new RuntimeException("there is no head element"); } return elementsByTagName.getItem(0); } private static native int getOrientation0()/*-{ if (typeof ($wnd.orientation) == 'undefined') { return 0; } return $wnd.orientation; }-*/; private static void onorientationChange(int orientation) { ORIENTATION o; switch (orientation) { case 0: case 180: o = ORIENTATION.PORTRAIT; break; case 90: case -90: o = ORIENTATION.LANDSCAPE; break; default: o = ORIENTATION.PORTRAIT; break; } currentOrientation = o; fireOrientationChangedEvent(o); } // update styles on body private static void setClasses(ORIENTATION o) { UtilCss utilCss = MGWTStyle.getTheme().getMGWTClientBundle().getUtilCss(); switch (o) { case PORTRAIT: Document.get().getBody().addClassName(utilCss.portrait()); Document.get().getBody().removeClassName(utilCss.landscape()); break; case LANDSCAPE: Document.get().getBody().addClassName(utilCss.landscape()); Document.get().getBody().removeClassName(utilCss.portrait()); break; default: break; } } private native static boolean orientationSupport()/*-{ var ua = window.navigator.userAgent.toLowerCase(); if (ua.indexOf('android') != -1) { return false; } if (ua.indexOf('iphone') != -1) { return true; } if (ua.indexOf('ipad') != -1) { return true; } return false; }-*/; private static boolean orientationInitialized; private static void maybeSetupOrientation() { if (orientationInitialized) return; if (!GWT.isClient()) { return; } if (!orientationSupport()) { Window.addResizeHandler(new ResizeHandler() { @Override public void onResize(ResizeEvent event) { ORIENTATION orientation = getOrientation(); if (orientation != currentOrientation) { currentOrientation = orientation; fireOrientationChangedEvent(orientation); } } }); } else { nativeJsFunction = setupOrientation0(); Window.addCloseHandler(new CloseHandler<Window>() { @Override public void onClose(CloseEvent<Window> event) { destroyOrientation(nativeJsFunction); } }); } } private static native JavaScriptObject setupOrientation0()/*-{ var func = $entry(function() { @com.googlecode.mgwt.ui.client.MGWT::onorientationChange(I)($wnd.orientation); }); $doc.body.onorientationchange = func; $doc.addEventListener("orientationChanged", func); return func; }-*/; private static native void destroyOrientation(JavaScriptObject o)/*-{ $doc.body.onorientationchange = null; $doc.removeEventListener("orientationChanged", o); }-*/; private static native void setupPreventScrolling(Element el)/*-{ var func = function(event) { event.preventDefault(); return false; }; el.ontouchmove = func; }-*/; /** * A utility method to hide the soft keyboard */ public static void hideKeyBoard() { final Anchor anchor = new Anchor(" "); anchor.getElement().getStyle().setWidth(1, Unit.PX); anchor.getElement().getStyle().setHeight(1, Unit.PX); anchor.getElement().getStyle().setDisplay(Display.INLINE); anchor.getElement().getStyle().setFloat(Float.LEFT); RootPanel.get().add(anchor); anchor.setFocus(true); Scheduler.get().scheduleDeferred(new ScheduledCommand() { @Override public void execute() { anchor.removeFromParent(); } }); } public static void showAddressBar(boolean s) { if (s) { getAddressBarUtil().showAddressBar(); } else { getAddressBarUtil().hideAddressBar(); } } private static AddressBarUtil getAddressBarUtil() { if (addressBarUtil == null) { addressBarUtil = GWT.create(AddressBarUtil.class); } return addressBarUtil; } private static EventBus getManager() { if (manager == null) { manager = new SimpleEventBus(); } return manager; } } |
Commits for litesoft/trunk/mobileGWT/mgwt/src/main/java/com/googlecode/mgwt/ui/client/MGWT.java
Revision | Author | Commited | Message |
---|---|---|---|
906 Diff | GeorgeS | Fri 07 Jun, 2013 22:50:38 +0000 | Update to latest gwt-phonegap & MGWT. |
887 Diff | GeorgeS | Tue 11 Dec, 2012 02:05:08 +0000 | |
876 Diff | GeorgeS | Mon 10 Dec, 2012 03:38:59 +0000 | Updated to current Version |
740 Diff | GeorgeS | Tue 26 Jun, 2012 00:47:02 +0000 | |
681 | GeorgeS | Sun 20 May, 2012 23:24:07 +0000 |