Prune dead code.
Review at http://gwt-code-reviews.appspot.com/1627803
git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@10829 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/ProvidesPresenter.java b/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/ProvidesPresenter.java
deleted file mode 100644
index 8b7480d..0000000
--- a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/ProvidesPresenter.java
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright 2011 Google Inc.
- *
- * 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.google.gwt.sample.mobilewebapp.client;
-
-/**
- * Provides the presenter to run a given view for a new session.
- *
- * @param <P> the presenter type
- * @param <V> the view type
- */
-public interface ProvidesPresenter<P, V> {
- P getPresenter(V view);
-}
diff --git a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/desktop/PieChart.java b/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/desktop/PieChart.java
deleted file mode 100644
index 679cd75..0000000
--- a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/desktop/PieChart.java
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * Copyright 2011 Google Inc.
- *
- * 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.google.gwt.sample.mobilewebapp.client.desktop;
-
-import com.google.gwt.canvas.client.Canvas;
-import com.google.gwt.canvas.dom.client.Context2d;
-import com.google.gwt.canvas.dom.client.FillStrokeStyle;
-import com.google.gwt.core.client.Scheduler;
-import com.google.gwt.core.client.Scheduler.ScheduledCommand;
-import com.google.gwt.dom.client.PartialSupport;
-import com.google.gwt.user.client.ui.Composite;
-import com.google.gwt.user.client.ui.RequiresResize;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * A pie chart representation of data.
- */
-@PartialSupport
-public class PieChart extends Composite implements RequiresResize {
-
- /**
- * Information about a slice of pie.
- */
- private static class Slice {
- private final double weight;
- private final FillStrokeStyle fill;
-
- public Slice(double weight, FillStrokeStyle fill) {
- this.weight = weight;
- this.fill = fill;
- }
- }
-
- /**
- * The number of radians in a circle.
- */
- private static final double RADIANS_IN_CIRCLE = 2 * Math.PI;
-
- /**
- * Return a new {@link Canvas} if supported, and null otherwise.
- *
- * @return a new {@link Canvas} if supported, and null otherwise
- */
- public static PieChart createIfSupported() {
- return isSupported() ? new PieChart() : null;
- }
-
- /**
- * Runtime check for whether the canvas element is supported in this browser.
- *
- * @return whether the canvas element is supported
- */
- public static boolean isSupported() {
- return Canvas.isSupported();
- }
-
- private final Canvas canvas;
- private final List<Slice> slices = new ArrayList<Slice>();
-
- /**
- * Create using factory methods.
- */
- private PieChart() {
- canvas = Canvas.createIfSupported();
- canvas.setCoordinateSpaceHeight(300);
- canvas.setCoordinateSpaceWidth(300);
- initWidget(canvas);
- }
-
- /**
- * Add a slice to the chart.
- *
- * @param weight the weight of the slice
- * @param fill the fill color
- */
- public void addSlice(double weight, FillStrokeStyle fill) {
- slices.add(new Slice(weight, fill));
- }
-
- /**
- * Clear all slices.
- */
- public void clearSlices() {
- slices.clear();
- }
-
- public void onResize() {
- redraw();
- }
-
- /**
- * Redraw the pie chart.
- */
- public void redraw() {
- if (!isAttached()) {
- return;
- }
-
- // Get the dimensions of the chart.
- int width = canvas.getCoordinateSpaceWidth();
- int height = canvas.getCoordinateSpaceHeight();
- double radius = Math.min(width, height) / 2.0;
- double cx = width / 2.0;
- double cy = height / 2.0;
-
- // Clear the context.
- Context2d context = canvas.getContext2d();
- context.clearRect(0, 0, width, height);
-
- // Get the total weight of all slices.
- double totalWeight = 0;
- for (Slice slice : slices) {
- totalWeight += slice.weight;
- }
-
- // Draw the slices.
- double startAngle = -0.5 * Math.PI;
- for (Slice slice : slices) {
- double weight = slice.weight / totalWeight;
- double endAngle = startAngle + (weight * RADIANS_IN_CIRCLE);
- context.setFillStyle(slice.fill);
- context.beginPath();
- context.moveTo(cx, cy);
- context.arc(cx, cy, radius, startAngle, endAngle);
- context.fill();
- startAngle = endAngle;
- }
- }
-
- @Override
- protected void onLoad() {
- super.onLoad();
- Scheduler.get().scheduleDeferred(new ScheduledCommand() {
- public void execute() {
- redraw();
- }
- });
- }
-}
diff --git a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/event/AddTaskEvent.java b/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/event/AddTaskEvent.java
deleted file mode 100644
index cdf3216..0000000
--- a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/event/AddTaskEvent.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright 2011 Google Inc.
- *
- * 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.google.gwt.sample.mobilewebapp.client.event;
-
-import com.google.gwt.event.shared.EventHandler;
-import com.google.gwt.event.shared.GwtEvent;
-
-/**
- * Fired when the user wants a new task.
- */
-public class AddTaskEvent extends GwtEvent<AddTaskEvent.Handler> {
-
- /**
- * Implemented by objects that handle {@link AddTaskEvent}.
- */
- public interface Handler extends EventHandler {
- void onAddTask(AddTaskEvent event);
- }
-
- /**
- * The event type.
- */
- public static final Type<AddTaskEvent.Handler> TYPE = new Type<AddTaskEvent.Handler>();
-
- @Override
- public final Type<AddTaskEvent.Handler> getAssociatedType() {
- return TYPE;
- }
-
- @Override
- protected void dispatch(AddTaskEvent.Handler handler) {
- handler.onAddTask(this);
- }
-}
diff --git a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/event/EditingCanceledEvent.java b/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/event/EditingCanceledEvent.java
deleted file mode 100644
index 6eca5d5..0000000
--- a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/event/EditingCanceledEvent.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright 2011 Google Inc.
- *
- * 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.google.gwt.sample.mobilewebapp.client.event;
-
-import com.google.gwt.event.shared.EventHandler;
-import com.google.gwt.event.shared.GwtEvent;
-
-/**
- * Fired when the user abandons edits of a task.
- */
-public class EditingCanceledEvent extends GwtEvent<EditingCanceledEvent.Handler> {
-
- /**
- * Implemented by objects that handle {@link EditingCanceledEvent}.
- */
- public interface Handler extends EventHandler {
- void onEditCanceled(EditingCanceledEvent event);
- }
-
- /**
- * The event type.
- */
- public static final Type<EditingCanceledEvent.Handler> TYPE = new Type<EditingCanceledEvent.Handler>();
-
- @Override
- public final Type<EditingCanceledEvent.Handler> getAssociatedType() {
- return TYPE;
- }
-
- @Override
- protected void dispatch(EditingCanceledEvent.Handler handler) {
- handler.onEditCanceled(this);
- }
-}
diff --git a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/event/GoHomeEvent.java b/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/event/GoHomeEvent.java
deleted file mode 100644
index 645899d..0000000
--- a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/event/GoHomeEvent.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright 2011 Google Inc.
- *
- * 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.google.gwt.sample.mobilewebapp.client.event;
-
-import com.google.gwt.event.shared.EventHandler;
-import com.google.gwt.event.shared.GwtEvent;
-
-/**
- * Fired when the user wants to return to the main screen of the app.
- */
-public class GoHomeEvent extends GwtEvent<GoHomeEvent.Handler> {
-
- /**
- * Implemented by objects that handle {@link GoHomeEvent}.
- */
- public interface Handler extends EventHandler {
- void onGoHome(GoHomeEvent event);
- }
-
- /**
- * The event type.
- */
- public static final Type<GoHomeEvent.Handler> TYPE = new Type<GoHomeEvent.Handler>();
-
- @Override
- public final Type<GoHomeEvent.Handler> getAssociatedType() {
- return TYPE;
- }
-
- @Override
- protected void dispatch(GoHomeEvent.Handler handler) {
- handler.onGoHome(this);
- }
-}
diff --git a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/event/TaskSavedEvent.java b/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/event/TaskSavedEvent.java
deleted file mode 100644
index 0204352..0000000
--- a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/event/TaskSavedEvent.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright 2011 Google Inc.
- *
- * 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.google.gwt.sample.mobilewebapp.client.event;
-
-import com.google.gwt.event.shared.EventHandler;
-import com.google.gwt.event.shared.GwtEvent;
-
-/**
- * Fired when the user has saved a task.
- */
-public class TaskSavedEvent extends GwtEvent<TaskSavedEvent.Handler> {
-
- /**
- * Implemented by objects that handle {@link TaskSavedEvent}.
- */
- public interface Handler extends EventHandler {
- void onTaskSaved(TaskSavedEvent event);
- }
-
- /**
- * The event type.
- */
- public static final Type<TaskSavedEvent.Handler> TYPE = new Type<TaskSavedEvent.Handler>();
-
- @Override
- public final Type<TaskSavedEvent.Handler> getAssociatedType() {
- return TYPE;
- }
-
- @Override
- protected void dispatch(TaskSavedEvent.Handler handler) {
- handler.onTaskSaved(this);
- }
-}
diff --git a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/place/AppPlaceHistoryMapper.java b/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/place/AppPlaceHistoryMapper.java
deleted file mode 100644
index af56cbd..0000000
--- a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/place/AppPlaceHistoryMapper.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright 2010 Google Inc.
- *
- * 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.google.gwt.sample.mobilewebapp.client.place;
-
-import com.google.gwt.place.shared.PlaceHistoryMapper;
-import com.google.gwt.place.shared.WithTokenizers;
-
-/**
- * This interface is the hub of your application's navigation system. It links
- * the {@link com.google.gwt.place.shared.Place Place}s your user navigates to
- * with the browser history system — that is, it makes the browser's back
- * and forth buttons work for you, and also makes each spot in your app
- * bookmarkable.
- * <p>
- * Its implementation is code generated based on the @WithTokenizers
- * annotation.
- */
-@WithTokenizers({TaskListPlace.Tokenizer.class, TaskEditPlace.Tokenizer.class})
-public interface AppPlaceHistoryMapper extends PlaceHistoryMapper {
-}
diff --git a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/place/TaskEditPlace.java b/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/place/TaskEditPlace.java
deleted file mode 100644
index bbd3eca..0000000
--- a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/place/TaskEditPlace.java
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright 2011 Google Inc.
- *
- * 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.google.gwt.sample.mobilewebapp.client.place;
-
-import com.google.gwt.place.shared.Place;
-import com.google.gwt.place.shared.PlaceTokenizer;
-import com.google.gwt.place.shared.Prefix;
-import com.google.gwt.sample.mobilewebapp.shared.TaskProxy;
-
-/**
- * The place in the app that show a task in an editable view.
- */
-public class TaskEditPlace extends Place {
-
- /**
- * The tokenizer for this place.
- */
- @Prefix("edit")
- public static class Tokenizer implements PlaceTokenizer<TaskEditPlace> {
-
- private static final String NO_ID = "create";
-
- public TaskEditPlace getPlace(String token) {
- try {
- // Parse the task ID from the URL.
- Long taskId = Long.parseLong(token);
- return new TaskEditPlace(taskId, null);
- } catch (NumberFormatException e) {
- // If the ID cannot be parsed, assume we are creating a task.
- return TaskEditPlace.getTaskCreatePlace();
- }
- }
-
- public String getToken(TaskEditPlace place) {
- Long taskId = place.getTaskId();
- return (taskId == null) ? NO_ID : taskId.toString();
- }
- }
-
- /**
- * The singleton instance of this place used for creation.
- */
- private static TaskEditPlace singleton;
-
- /**
- * Create an instance of {@link TaskEditPlace} associated with the specified
- * task ID.
- *
- * @param taskId the ID of the task to edit
- * @param task the task to edit, or null if not available
- * @return the place
- */
- public static TaskEditPlace createTaskEditPlace(Long taskId, TaskProxy task) {
- return new TaskEditPlace(taskId, task);
- }
-
- /**
- * Get the singleton instance of the {@link TaskEditPlace} used to create a
- * new task.
- *
- * @return the place
- */
- public static TaskEditPlace getTaskCreatePlace() {
- if (singleton == null) {
- singleton = new TaskEditPlace(null, null);
- }
- return singleton;
- }
-
- private final TaskProxy task;
- private final Long taskId;
-
- /**
- * Construct a new {@link TaskEditPlace} for the specified task id.
- *
- * @param taskId the ID of the task to edit
- * @param task the task to edit, or null if not available
- */
- private TaskEditPlace(Long taskId, TaskProxy task) {
- this.taskId = taskId;
- this.task = task;
- }
-
- /**
- * Get the task to edit.
- *
- * @return the task to edit, or null if not available
- */
- public TaskProxy getTask() {
- return task;
- }
-
- /**
- * Get the ID of the task to edit.
- *
- * @return the ID of the task, or null if creating a new task
- */
- public Long getTaskId() {
- return taskId;
- }
-}
diff --git a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/place/TaskListPlace.java b/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/place/TaskListPlace.java
deleted file mode 100644
index 616a6a8..0000000
--- a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/place/TaskListPlace.java
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Copyright 2011 Google Inc.
- *
- * 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.google.gwt.sample.mobilewebapp.client.place;
-
-import com.google.gwt.place.shared.Place;
-import com.google.gwt.place.shared.PlaceTokenizer;
-import com.google.gwt.place.shared.Prefix;
-
-/**
- * The place in the app that shows a list of tasks.
- */
-public class TaskListPlace extends Place {
-
- /**
- * The tokenizer for this place. TaskList doesn't have any state, so we don't
- * have anything to encode.
- */
- @Prefix("tl")
- public static class Tokenizer implements PlaceTokenizer<TaskListPlace> {
-
- public TaskListPlace getPlace(String token) {
- return new TaskListPlace(true);
- }
-
- public String getToken(TaskListPlace place) {
- return "";
- }
- }
-
- private final boolean taskListStale;
-
- /**
- * Construct a new {@link TaskListPlace}.
- *
- * @param taskListStale true if the task list is stale and should be cleared
- */
- public TaskListPlace(boolean taskListStale) {
- this.taskListStale = taskListStale;
- }
-
- /**
- * Check if the task list is stale and should be cleared.
- *
- * @return true if stale, false if not
- */
- public boolean isTaskListStale() {
- return taskListStale;
- }
-}
diff --git a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/ui/OrientationHelper.java b/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/ui/OrientationHelper.java
deleted file mode 100644
index a384f5a..0000000
--- a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/ui/OrientationHelper.java
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright 2011 Google Inc.
- *
- * 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.google.gwt.sample.mobilewebapp.client.ui;
-
-import com.google.gwt.event.logical.shared.HasAttachHandlers;
-import com.google.gwt.user.client.Command;
-import com.google.web.bindery.event.shared.HandlerRegistration;
-
-/**
- * Accepts {@link Command}s to be run when the browser window or device's
- * orientation changes. Commands operate only while the associated widget is
- * attached.
- */
-public interface OrientationHelper {
- /**
- * Gives efficient on demand access to the orientation of the window or
- * device.
- *
- * @return true for portrait, false for landscape
- */
- boolean isPortrait();
-
- /**
- * Set commands to run on orientation change, one for portrait and one for
- * landscape. The appropriate command is fired immediately if this method is
- * called while the widget is attached.
- * <p>
- * Commands are also fired each time the widget is attached. If that is not
- * desired a widget should call {@link HandlerRegistration#removeHandler()} on
- * the returned object when it detaches.
- *
- * @param widget the widget to help
- * @param forPortrait command to run when on shift to portrait
- * @param forLandscape command to run when on shift to landscape
- * @return registration object to be used to stop and dereference the commands
- */
- HandlerRegistration setCommands(HasAttachHandlers widget, Command forPortrait,
- Command forLandscape);
-}
diff --git a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/ui/WindowBasedOrientationHelper.java b/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/ui/WindowBasedOrientationHelper.java
deleted file mode 100644
index 40568cc..0000000
--- a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/client/ui/WindowBasedOrientationHelper.java
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * Copyright 2011 Google Inc.
- *
- * 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.google.gwt.sample.mobilewebapp.client.ui;
-
-import com.google.gwt.event.logical.shared.AttachEvent;
-import com.google.gwt.event.logical.shared.HasAttachHandlers;
-import com.google.gwt.event.logical.shared.ResizeEvent;
-import com.google.gwt.event.logical.shared.ResizeHandler;
-import com.google.gwt.user.client.Command;
-import com.google.gwt.user.client.Window;
-import com.google.web.bindery.event.shared.HandlerRegistration;
-
-import java.util.HashSet;
-
-/**
- * OrientationHelper implementation that works by by monitoring window size
- * changes, and so works on both mobile devices and desktop browsers.
- * <p>
- * Expected to be used as an app-wide singleton.
- */
-public class WindowBasedOrientationHelper implements OrientationHelper {
- private class CommandSet implements AttachEvent.Handler, HandlerRegistration {
- final Command portraitCommand;
- final Command landscapeCommand;
- final HandlerRegistration attachEventReg;
-
- boolean active;
-
- CommandSet(HasAttachHandlers widget, Command portrait, Command landscape) {
- this.portraitCommand = portrait;
- this.landscapeCommand = landscape;
-
- attachEventReg = widget.addAttachHandler(this);
- active = widget.isAttached();
- }
-
- @Override
- public void onAttachOrDetach(AttachEvent event) {
- active = event.isAttached();
- fire();
- }
-
- @Override
- public void removeHandler() {
- commandSets.remove(this);
- attachEventReg.removeHandler();
- }
-
- void fire() {
- if (active) {
- if (isPortrait) {
- portraitCommand.execute();
- } else {
- landscapeCommand.execute();
- }
- }
- }
- }
-
- private static boolean calculateIsPortrait() {
- return Window.getClientHeight() > Window.getClientWidth();
- }
-
- private boolean isPortrait;
- private HandlerRegistration windowResizeReg;
- private HashSet<CommandSet> commandSets = new HashSet<CommandSet>();
-
- public WindowBasedOrientationHelper() {
- isPortrait = calculateIsPortrait();
- windowResizeReg = Window.addResizeHandler(new ResizeHandler() {
- public void onResize(ResizeEvent event) {
- update();
- }
- });
- }
-
- @Override
- public boolean isPortrait() {
- assertLive();
- return isPortrait;
- }
-
- @Override
- public HandlerRegistration setCommands(HasAttachHandlers widget, Command forPortrait,
- Command forLandscape) {
- assertLive();
- CommandSet commandSet = new CommandSet(widget, forPortrait, forLandscape);
- commandSets.add(commandSet);
- commandSet.fire();
- return commandSet;
- }
-
- public void stop() {
- assertLive();
- windowResizeReg.removeHandler();
- windowResizeReg = null;
-
- for (CommandSet commandSet : commandSets) {
- commandSet.attachEventReg.removeHandler();
- }
- commandSets = null;
- }
-
- private void assertLive() {
- assert windowResizeReg != null : "Cannot do this after stop() is called";
- }
-
- private void update() {
- boolean was = isPortrait;
- isPortrait = calculateIsPortrait();
- if (was != isPortrait) {
- for (CommandSet helper : commandSets) {
- helper.fire();
- }
- }
- }
-}
diff --git a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/shared/FieldVerifier.java b/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/shared/FieldVerifier.java
deleted file mode 100644
index d6ddb9d..0000000
--- a/samples/mobilewebapp/src/main/java/com/google/gwt/sample/mobilewebapp/shared/FieldVerifier.java
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright 2011 Google Inc.
- *
- * 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.google.gwt.sample.mobilewebapp.shared;
-
-/**
- * <p>
- * FieldVerifier validates that the name the user enters is valid.
- * </p>
- * <p>
- * This class is in the <code>shared</code> package because we use it in both
- * the client code and on the server. On the client, we verify that the name is
- * valid before sending an RPC request so the user doesn't have to wait for a
- * network round trip to get feedback. On the server, we verify that the name is
- * correct to ensure that the input is correct regardless of where the RPC
- * originates.
- * </p>
- * <p>
- * When creating a class that is used on both the client and the server, be sure
- * that all code is translatable and does not use native JavaScript. Code that
- * is note translatable (such as code that interacts with a database or the file
- * system) cannot be compiled into client side JavaScript. Code that uses native
- * JavaScript (such as Widgets) cannot be run on the server.
- * </p>
- */
-public class FieldVerifier {
-
- /**
- * Verifies that the specified name is valid for our service.
- *
- * In this example, we only require that the name is at least four
- * characters. In your application, you can use more complex checks to ensure
- * that usernames, passwords, email addresses, URLs, and other fields have the
- * proper syntax.
- *
- * @param name the name to validate
- * @return true if valid, false if invalid
- */
- public static boolean isValidName(String name) {
- if (name == null) {
- return false;
- }
- return name.length() > 3;
- }
-}
