Add browser/sync to the repository.

chrome/browser/views/sync/sync_setup_flow.h

+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_VIEWS_SYNC_SYNC_SETUP_FLOW_H_
+#define CHROME_BROWSER_VIEWS_SYNC_SYNC_SETUP_FLOW_H_
+
+#include "chrome/browser/dom_ui/html_dialog_ui.h"
+#include "chrome/browser/sync/personalization_strings.h"
+#include "chrome/browser/views/sync/sync_setup_wizard.h"
+
+class FlowHandler;
+class SyncSetupFlowContainer;
+
+// The state machine used by SyncSetupWizard, exposed in its own header
+// to facilitate testing of SyncSetupWizard.  This class is used to open and
+// run the html dialog and deletes itself when the dialog closes.
+class SyncSetupFlow : public HtmlDialogUIDelegate {
+ public:
+  virtual ~SyncSetupFlow();
+
+  // Runs a flow from |start| to |end|, and does the work of actually showing
+  // the HTML dialog.  |container| is kept up-to-date with the lifetime of the
+  // flow (e.g it is emptied on dialog close).
+  static SyncSetupFlow* Run(ProfileSyncService* service,
+                            SyncSetupFlowContainer* container,
+                            SyncSetupWizard::State start,
+                            SyncSetupWizard::State end);
+
+  // Fills |args| with "user" and "error" arguments by querying |service|.
+  static void GetArgsForGaiaLogin(
+      const ProfileSyncService* service,
+      DictionaryValue* args);
+
+  // Triggers a state machine transition to advance_state.
+  void Advance(SyncSetupWizard::State advance_state);
+
+  // HtmlDialogUIDelegate implementation.
+  // Get the HTML file path for the content to load in the dialog.
+  virtual GURL GetDialogContentURL() const {
+    return GURL("cloudy://resources/setup");
+  }
+
+  // HtmlDialogUIDelegate implementation.
+  virtual void GetDOMMessageHandlers(
+      std::vector<DOMMessageHandler*>* handlers) const;
+
+  // HtmlDialogUIDelegate implementation.
+  // Get the size of the dialog.
+  virtual void GetDialogSize(gfx::Size* size) const;
+
+  // HtmlDialogUIDelegate implementation.
+  // Gets the JSON string input to use when opening the dialog.
+  virtual std::string GetDialogArgs() const {
+    return dialog_start_args_;
+  }
+
+  // HtmlDialogUIDelegate implementation.
+  // A callback to notify the delegate that the dialog closed.
+  virtual void OnDialogClosed(const std::string& json_retval);
+
+  // HtmlDialogUIDelegate implementation.
+  virtual std::wstring GetDialogTitle() const {
+    return kLoginDialogTitle;
+  }
+
+  // HtmlDialogUIDelegate implementation.
+  virtual bool IsDialogModal() const {
+    return false;
+  }
+
+  void OnUserSubmittedAuth(const std::string& username,
+                           const std::string& password) {
+    service_->OnUserSubmittedAuth(username, password);
+  }
+
+  void OnUserAcceptedMergeAndSync() {
+    service_->OnUserAcceptedMergeAndSync();
+  }
+
+ private:
+  FRIEND_TEST(SyncSetupWizardTest, InitialStepLogin);
+  FRIEND_TEST(SyncSetupWizardTest, InitialStepMergeAndSync);
+  FRIEND_TEST(SyncSetupWizardTest, DialogCancelled);
+  FRIEND_TEST(SyncSetupWizardTest, InvalidTransitions);
+  FRIEND_TEST(SyncSetupWizardTest, FullSuccessfulRunSetsPref);
+  FRIEND_TEST(SyncSetupWizardTest, DiscreteRun);
+
+  // Use static Run method to get an instance.
+  SyncSetupFlow(SyncSetupWizard::State start_state,
+                SyncSetupWizard::State end_state,
+                const std::string& args, SyncSetupFlowContainer* container,
+                FlowHandler* handler, ProfileSyncService* service)
+      : container_(container), dialog_start_args_(args),
+        current_state_(start_state), end_state_(end_state),
+        flow_handler_(handler), service_(service) {
+  }
+
+  // Returns true if |this| should transition its state machine to |state|
+  // based on |current_state_|, or false if that would be nonsense or is
+  // a no-op.
+  bool ShouldAdvance(SyncSetupWizard::State state);
+
+  SyncSetupFlowContainer* container_;  // Our container.  Don't own this.
+  std::string dialog_start_args_;  // The args to pass to the initial page.
+
+  SyncSetupWizard::State current_state_;
+  SyncSetupWizard::State end_state_;  // The goal.
+
+  // The handler needed for the entire flow.  We don't own this.
+  FlowHandler* flow_handler_;
+
+  // We need this to write the sentinel "setup completed" pref.
+  ProfileSyncService* service_;
+
+  DISALLOW_COPY_AND_ASSIGN(SyncSetupFlow);
+};
+
+// A really simple wrapper for a SyncSetupFlow so that we don't have to
+// add any public methods to the public SyncSetupWizard interface to notify it
+// when the dialog closes.
+class SyncSetupFlowContainer {
+ public:
+  SyncSetupFlowContainer() : flow_(NULL) { }
+  void set_flow(SyncSetupFlow* flow) {
+    DCHECK(!flow_ || !flow);
+    flow_ = flow;
+  }
+
+  SyncSetupFlow* get_flow() { return flow_; }
+ private:
+  SyncSetupFlow* flow_;
+
+  DISALLOW_COPY_AND_ASSIGN(SyncSetupFlowContainer);
+};
+
+// The FlowHandler connects the state machine to the dialog backing HTML and
+// JS namespace by implementing DOMMessageHandler and being invoked by the 
+// SyncSetupFlow.  Exposed here to facilitate testing.
+class FlowHandler : public DOMMessageHandler {
+ public:
+  FlowHandler()  {}
+  virtual ~FlowHandler() {}
+
+  // DOMMessageHandler implementation.  
+  virtual void RegisterMessages();
+
+  // Callbacks from the page.
+  void HandleSubmitAuth(const Value* value);
+  void HandleSubmitMergeAndSync(const Value* value);
+
+  // These functions control which part of the HTML is visible.
+  void ShowGaiaLogin(const DictionaryValue& args);
+  void ShowGaiaSuccessAndClose();
+  void ShowGaiaSuccessAndSettingUp();
+  void ShowMergeAndSync();
+  void ShowMergeAndSyncDone();
+
+  void set_flow(SyncSetupFlow* flow) {
+    flow_ = flow;
+  }
+
+ private:
+  void ExecuteJavascriptInIFrame(const std::wstring& iframe_xpath,
+                                 const std::wstring& js);
+  SyncSetupFlow* flow_;
+  DISALLOW_COPY_AND_ASSIGN(FlowHandler);
+};
+
+#endif  // CHROME_BROWSER_VIEWS_SYNC_SYNC_SETUP_FLOW_H_