Example usage for com.google.gwt.user.client Timer Timer

Introduction

In this page you can find the example usage for com.google.gwt.user.client Timer Timer.

Prototype

Timer

Source Link

Usage

From source file:com.google.appinventor.client.explorer.commands.WaitForBuildWebResultCommand.java

License:Open Source License

@Override
public void execute(final ProjectNode node) {
    final Ode ode = Ode.getInstance();
    messagesOutput.clear();/* w  w w . j ava2  s  . c om*/
    messagesOutput.addMessages(MESSAGES.buildRequestedMessage(node.getName(), buildRequestTime));

    OdeAsyncCallback<RpcResult> callback = new OdeAsyncCallback<RpcResult>(
            // failure message
            MESSAGES.buildError()) {
        @Override
        public void onSuccess(RpcResult result) {
            messagesOutput.addMessages("Waiting for " + getElapsedMillis() / 1000 + " seconds.");
            messagesOutput.addMessages(result.getOutput());
            messagesOutput.addMessages(result.getError());
            Tracking.trackEvent(Tracking.PROJECT_EVENT, Tracking.PROJECT_SUBACTION_BUILD_YA, node.getName(),
                    getElapsedMillis());
            if (result.succeeded()) {
                ode.getTopToolbar().updateKeystoreFileMenuButtons();
                executeNextCommand(node);
            } else if (result.getResult() == 1) {
                // General build error
                String errorMsg = result.getError();
                // This is not an internal App Inventor bug. The error should be
                // reported in a yellow info box.
                ErrorReporter
                        .reportInfo(MESSAGES.buildFailedError() + (errorMsg.isEmpty() ? "" : " " + errorMsg));
                executionFailedOrCanceled();
            } else if (result.getResult() == 2) {
                // Yail generation error
                String formName = extractFormName(result);
                ErrorReporter.reportError(MESSAGES.errorGeneratingYail(formName));
                String blocksFileName = formName + YoungAndroidSourceAnalyzer.CODEBLOCKS_SOURCE_EXTENSION;
                YoungAndroidBlocksNode blocksNode = findBlocksNode((YoungAndroidProjectNode) node,
                        blocksFileName);
                if (blocksNode != null) {
                    showProblemBlocks(blocksNode);
                }
                executionFailedOrCanceled();
            } else {
                // Build isn't done yet
                Timer timer = new Timer() {
                    @Override
                    public void run() {
                        execute(node);
                    }
                };
                // TODO(user): Maybe do an exponential backoff here.
                timer.schedule(WAIT_INTERVAL_MILLIS);
            }
        }

        @Override
        public void onFailure(Throwable caught) {
            super.onFailure(caught);
            executionFailedOrCanceled();
        }
    };

    ode.getProjectService().getBuildWebResult(node.getProjectId(), target, callback);
}

From source file:com.google.appinventor.client.explorer.commands.WaitForEclipseProjectBuildResultCommand.java

License:Open Source License

@Override
public void execute(final ProjectNode node) {
    final Ode ode = Ode.getInstance();
    messagesOutput.clear();/*ww w  .  java 2  s .  c o  m*/
    messagesOutput.addMessages(MESSAGES.buildRequestedMessage(node.getName(), buildRequestTime));

    OdeAsyncCallback<RpcResult> callback = new OdeAsyncCallback<RpcResult>(
            // failure message
            MESSAGES.buildError()) {
        @Override
        public void onSuccess(RpcResult result) {
            messagesOutput.addMessages("Waiting for " + getElapsedMillis() / 1000 + " seconds.");
            messagesOutput.addMessages(result.getOutput());
            messagesOutput.addMessages(result.getError());
            Tracking.trackEvent(Tracking.PROJECT_EVENT, Tracking.PROJECT_SUBACTION_BUILD_YA, node.getName(),
                    getElapsedMillis());
            if (result.succeeded()) {
                executeNextCommand(node);
            } else if (result.getResult() == 3) {
                // General build error
                String errorMsg = result.getError();
                // This is not an internal App Inventor bug. The error should be
                // reported in a yellow info box.
                ErrorReporter
                        .reportInfo(MESSAGES.buildFailedError() + (errorMsg.isEmpty() ? "" : " " + errorMsg));
                executionFailedOrCanceled();
            } else {
                // Build isn't done yet
                Timer timer = new Timer() {
                    @Override
                    public void run() {
                        execute(node);
                    }
                };
                // TODO(user): Maybe do an exponential backoff here.
                timer.schedule(WAIT_INTERVAL_MILLIS);
            }
        }

        @Override
        public void onFailure(Throwable caught) {
            super.onFailure(caught);
            executionFailedOrCanceled();
        }
    };

    ode.getProjectService().getEclipseProjectBuildResult(node.getProjectId(), target, buildOption, callback);
}

From source file:com.google.appinventor.client.jsonp.JsonpConnection.java

License:Open Source License

/**
 * Sends a JSONP request by embedding a SCRIPT tag into the document and
 * then polls for the result by resending the request with the parameter
 * {@link JsonpConstants#POLLING}. We continue polling until we receive a
 * response that is not {@link JsonpConstants#NOT_FINISHED_YET}.
 *
 * @param request the request to be made
 * @param p the parameters for the request
 * @param function a function that transforms the response into the type
 *        that the callback needs//from  w  w  w .jav a 2  s .  com
 * @param callback the callback that should be called with the transformed
 *        response
 */
public <T> void sendJsonpRequestAndPoll(final String request, Map<String, Object> p,
        final Function<String, ? extends T> function, final AsyncCallback<T> callback) {
    // Make a new parameters Map so we can add the POLLING parameter below.
    final Map<String, Object> parameters = new HashMap<String, Object>();
    if (p != null) {
        parameters.putAll(p);
    }
    final String initialRequestId = getNextRequestId();

    AsyncCallback<String> pollingCallback = new AsyncCallback<String>() {
        @Override
        public void onSuccess(String response) {
            if (JsonpConstants.NOT_FINISHED_YET.equals(response)) {
                // No response is available yet, create a timer to try again in a second.
                parameters.put(JsonpConstants.POLLING, initialRequestId);

                final AsyncCallback<String> pollingCallback = this;
                Timer timer = new Timer() {
                    @Override
                    public void run() {
                        sendJsonpRequest(request, parameters, stringResponseDecoder, pollingCallback);
                    }
                };
                timer.schedule(1000); // schedule the timer
            } else {
                // The response is available, convert it to the correct type T.
                T result;
                try {
                    result = function.apply(response);
                } catch (RuntimeException e) {
                    callback.onFailure(e);
                    return;
                }
                callback.onSuccess(result);
            }
        }

        @Override
        public void onFailure(Throwable caught) {
            callback.onFailure(caught);
        }
    };

    sendJsonpRequest(initialRequestId, request, parameters, stringResponseDecoder, pollingCallback);
}

From source file:com.google.appinventor.client.jsonp.JsonpConnection.java

License:Open Source License

private void createConnectivityTimers() {
    // We create these GWT timers lazily.
    // We must not create them during a java test because they will cause test failures.

    if (contactTimer == null) {
        // Create (but don't schedule) a timer to send a contact request.
        contactTimer = new Timer() {
            @Override//from   www  .j  a va 2  s.c  om
            public void run() {
                sendContactRequest();
            }
        };
    }
    if (unresponsiveConnectionTimer == null) {
        unresponsiveConnectionTimer = new Timer() {
            @Override
            public void run() {
                handleUnresponsiveConnection();
            }
        };
    }
}

From source file:com.google.appinventor.client.Ode.java

License:Open Source License

public void blocksTruncatedDialog(final long projectId, final String fileId, final String content,
        final OdeAsyncCallback callback) {
    final DialogBox dialogBox = new DialogBox(false, true); // DialogBox(autohide, modal)
    dialogBox.setStylePrimaryName("ode-DialogBox");
    dialogBox.setText(MESSAGES.blocksTruncatedDialogText());
    dialogBox.setHeight("150px");
    dialogBox.setWidth("600px");
    dialogBox.setGlassEnabled(true);//from www. java  2  s.co m
    dialogBox.setAnimationEnabled(true);
    dialogBox.center();
    String[] fileParts = fileId.split("/");
    String screenNameParts = fileParts[fileParts.length - 1];
    final String screenName = screenNameParts.split("\\.")[0]; // Get rid of the .bky part
    final String userEmail = user.getUserEmail();
    VerticalPanel DialogBoxContents = new VerticalPanel();
    HTML message = new HTML(MESSAGES.blocksTruncatedDialogMessage().replace("%1", screenName));
    message.setStyleName("DialogBox-message");
    FlowPanel holder = new FlowPanel();
    final Button continueSession = new Button(MESSAGES.blocksTruncatedDialogButtonSave());
    continueSession.addClickListener(new ClickListener() {
        public void onClick(Widget sender) {
            dialogBox.hide();
            // call save2 again, this time with force = true so the empty workspace will be written
            getProjectService().save2(getSessionId(), projectId, fileId, true, content, callback);
        }
    });
    holder.add(continueSession);
    final Button cancelSession = new Button(MESSAGES.blocksTruncatedDialogButtonNoSave());
    final OdeAsyncCallback<Void> logReturn = new OdeAsyncCallback<Void>() {
        @Override
        public void onSuccess(Void result) {
            reloadWindow(false);
        }
    };
    cancelSession.addClickListener(new ClickListener() {
        public void onClick(Widget sender) {
            // Note: We do *not* remove the dialog, this locks the UI up (our intent)
            // Wait for a few seconds for other I/O to complete
            cancelSession.setEnabled(false); // Disable button to prevent further clicking
            continueSession.setEnabled(false); // This one as well
            Timer t = new Timer() {
                int count = 5;

                @Override
                public void run() {
                    if (count > 0) {
                        HTML html = (HTML) ((VerticalPanel) dialogBox.getWidget()).getWidget(0);
                        html.setHTML(MESSAGES.blocksTruncatedDialogButtonHTML().replace("%1", "" + count));
                        count -= 1;
                    } else {
                        this.cancel();
                        getProjectService().log("Disappearing Blocks: ProjectId = " + projectId + " fileId = "
                                + fileId + " User = " + userEmail, logReturn);
                    }
                }
            };
            t.scheduleRepeating(1000); // Run every second
        }
    });
    holder.add(cancelSession);
    DialogBoxContents.add(message);
    DialogBoxContents.add(holder);
    dialogBox.setWidget(DialogBoxContents);
    dialogBox.show();
}

From source file:com.google.appinventor.client.youngandroid.CodeblocksManager.java

License:Open Source License

private void downloadJnlpAndMakeConnection() {
    // fire up codeblocks via JavaWebStart. The download command goes from
    // the client to the ODE Server, which responds with the JNLP file
    // that causes the browser to start codeblocks via JavaWebStart.
    // We append a hash of the userid to the file name because we need the
    // jnlp file to be user-specific, while still be cacheable.
    String userId = Ode.getInstance().getUser().getUserId();
    Downloader.getInstance().download(ServerLayout.WEBSTART_JNLP_SERVLET_BASE
            + ServerLayout.WEBSTART_JNLP_PURPOSE_CODEBLOCKS + "/" + userId.hashCode());

    final long[] timeToStopTryingToConnect = { System.currentTimeMillis() + MAX_TIME_TO_CONNECT_MILLIS };

    // Get the connection info for the codeblocks HTTP server.
    Timer timer = new Timer() {
        @Override//  w  ww.  j  a v  a 2 s . c om
        public void run() {
            Ode.getInstance().getLaunchService().retrieveJsonpConnectionInfo(
                    YaHttpServerConstants.CODEBLOCKS_INFO_FILE_PREFIX,
                    new AsyncCallback<JsonpConnectionInfo>() {
                        @Override
                        public void onSuccess(JsonpConnectionInfo connInfo) {
                            if (connInfo == null) {
                                // The connection info has not been sent to the ODE server yet.
                                boolean continueConnecting = true;
                                if (System.currentTimeMillis() > timeToStopTryingToConnect[0]) {
                                    continueConnecting = askIfUserWantsToContinueTryingToConnect();
                                    if (continueConnecting) {
                                        timeToStopTryingToConnect[0] = System.currentTimeMillis()
                                                + MAX_TIME_TO_CONNECT_MILLIS;
                                    }
                                }
                                // Try again, unless the user has canceled.
                                if (startCanceled || !continueConnecting) {
                                    startingCodeblocks = false;
                                    updateCodeblocksButton();
                                } else {
                                    schedule(CODEBLOCKS_CONNECTION_RETRY_DELAY_MILLIS); // schedule the timer
                                }
                            } else {
                                conn = new CodeblocksConnection(connInfo, new ClientJsonParser(),
                                        Urls.getEscapeQueryParameterFunction());
                                conn.addConnectivityListener(CodeblocksManager.this);

                                startingCodeblocks = false;
                                updateCodeblocksButton();

                                // The user may have switched projects/forms while codeblocks was starting.
                                // We want the current project/form now.
                                YaFormEditor formEditor = Ode.getInstance().getCurrentYoungAndroidFormEditor();
                                if (formEditor != null) {
                                    YoungAndroidFormNode formNode = formEditor.getFormNode();
                                    loadPropertiesAndBlocks(formNode, null);
                                }
                            }
                        }

                        @Override
                        public void onFailure(Throwable caught) {
                            ErrorReporter.reportError(MESSAGES.startingCodeblocksFailed());
                            startingCodeblocks = false;
                            updateCodeblocksButton();
                        }
                    });
        }
    };

    // Schedule the timer for 1 second to give some time for the download to occur.
    timer.schedule(CODEBLOCKS_CONNECTION_RETRY_DELAY_MILLIS);
}

From source file:com.google.code.p.gwtchismes.client.GWTCPopupBox.java

License:Apache License

/**
 * Shows the alert dialog, and hides it after a period
 *  //ww w .j a v  a  2 s.  c  o  m
 * @param timeout
 *            timeout in seconds for autohide           
 */
public void show(int timeout) {
    if (timeout > 0) {
        Timer t = new Timer() {
            public void run() {
                hide();
            }
        };
        t.schedule(timeout * 1000);
    }
    center();
}

From source file:com.google.code.p.gwtchismes.client.GWTCPrint.java

License:Apache License

/**
 * Sends the page to the printer/*ww  w  . j  av  a 2s .com*/
 */
public void print() {
    setVisible(false);
    Window.print();
    Timer t = new Timer() {
        public void run() {
            setVisible(true);
        }
    };
    t.schedule(5 * 1000);
}

From source file:com.google.code.p.gwtchismes.client.GWTCWait.java

License:Apache License

/**
 *  Show the wait dialog for timeout seconds
 *  //w  w w  .  j a va2s.c o m
 * @param timeout seconds to wait before hide the dialog (timeout=0 wait for ever)
 */
public void show(int timeout) {
    if (timeout > 0) {
        Timer t = new Timer() {
            public void run() {
                hide();
            }
        };
        t.schedule(timeout * 1000);
    }
    setVisible(true);
    center();
}

From source file:com.google.collide.client.ui.dropdown.AutocompleteController.java

License:Open Source License

private void attachHandlers() {

    inputBox.addEventListener(Event.INPUT, new EventListener() {
        final Timer deferredShow = new Timer() {
            @Override//from www  .  ja va2s . c  om
            public void run() {
                JsonArray<M> items = callback.doCompleteQuery(inputBox.getValue());
                if (items.size() > 0) {
                    dropdown.setItems(items);
                    dropdown.show();
                } else {
                    dropdown.hide();
                }
            }
        };

        @Override
        public void handleEvent(Event evt) {
            KeyboardEvent event = (KeyboardEvent) evt;

            if (inputBox.getValue().length() < minimumCharactersBeforeCompletion) {
                dropdown.hide();
            } else {
                deferredShow.cancel();
                deferredShow.schedule(AUTOCOMPLETE_DELAY);
            }
        }
    }, false);

    inputBox.addEventListener(Event.BLUR, new EventListener() {
        @Override
        public void handleEvent(Event evt) {
            dropdown.hide();
        }
    }, false);

    inputBox.addEventListener(Event.KEYUP, new EventListener() {
        @Override
        public void handleEvent(Event evt) {
            KeyboardEvent event = (KeyboardEvent) evt;

            if (event.getKeyCode() == KeyCode.ESC) {
                dropdown.hide();
            }
        }
    }, false);

}