New remoting setup flow.

chrome/browser/remoting/setup_flow.cc

+// Copyright (c) 2010 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.
+
+#include "chrome/browser/remoting/setup_flow.h"
+
+#include "app/gfx/font_util.h"
+#include "app/l10n_util.h"
+#include "base/json/json_reader.h"
+#include "base/json/json_writer.h"
+#include "base/utf_string_conversions.h"
+#include "base/values.h"
+#include "chrome/browser/browser_thread.h"
+#include "chrome/browser/prefs/pref_service.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/remoting/remoting_resources_source.h"
+#include "chrome/browser/remoting/setup_flow_login_step.h"
+#include "chrome/browser/renderer_host/render_view_host.h"
+#include "chrome/browser/tab_contents/tab_contents.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_list.h"
+#include "chrome/common/pref_names.h"
+#include "gfx/font.h"
+#include "grit/generated_resources.h"
+#include "grit/locale_settings.h"
+
+namespace remoting {
+
+static const wchar_t kDoneIframeXPath[] = L"//iframe[@id='done']";
+
+SetupFlowStep::SetupFlowStep() { }
+SetupFlowStep::~SetupFlowStep() { }
+
+SetupFlowStepBase::SetupFlowStepBase()
+    : flow_(NULL) {
+}
+
+SetupFlowStepBase::~SetupFlowStepBase() { }
+
+void SetupFlowStepBase::Start(SetupFlow* flow, DoneCallback* done_callback) {
+  done_callback_.reset(done_callback);
+  flow_ = flow;
+  DoStart();
+}
+
+SetupFlowStep* SetupFlowStepBase::GetNextStep() {
+  DCHECK(done_);
+  return next_step_;
+}
+
+void SetupFlowStepBase::ExecuteJavascriptInIFrame(
+    const std::wstring& iframe_xpath, const std::wstring& js) {
+  DOMUI* dom_ui = flow()->dom_ui();
+  DCHECK(dom_ui);
+
+  RenderViewHost* rvh = dom_ui->tab_contents()->render_view_host();
+  rvh->ExecuteJavascriptInWebFrame(iframe_xpath, js);
+}
+
+void SetupFlowStepBase::FinishStep(SetupFlowStep* next_step) {
+  next_step_ = next_step;
+  done_ = true;
+  done_callback_->Run();
+}
+
+SetupFlowDoneStep::SetupFlowDoneStep() { }
+SetupFlowDoneStep::~SetupFlowDoneStep() { }
+
+void SetupFlowDoneStep::HandleMessage(const std::string& message,
+                                      const ListValue* args) {
+}
+
+void SetupFlowDoneStep::Cancel() { }
+
+void SetupFlowDoneStep::DoStart() {
+  std::wstring javascript = L"setMessage('You are all set!');";
+  ExecuteJavascriptInIFrame(kDoneIframeXPath, javascript);
+
+  flow()->dom_ui()->CallJavascriptFunction(L"showSetupDone");
+
+  ExecuteJavascriptInIFrame(kDoneIframeXPath, L"onPageShown();");
+}
+
+SetupFlow::SetupFlow(const std::string& args, Profile* profile,
+                     SetupFlowStep* first_step)
+    : dom_ui_(NULL),
+      dialog_start_args_(args),
+      profile_(profile),
+      current_step_(first_step) {
+  // TODO(hclam): The data source should be added once.
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      NewRunnableMethod(ChromeURLDataManager::GetInstance(),
+                        &ChromeURLDataManager::AddDataSource,
+                        make_scoped_refptr(new RemotingResourcesSource())));
+}
+
+SetupFlow::~SetupFlow() { }
+
+// static
+SetupFlow* SetupFlow::OpenSetupDialog(Profile* profile) {
+  // Set the arguments for showing the gaia login page.
+  DictionaryValue args;
+  args.SetString("iframeToShow", "login");
+  args.SetString("user", "");
+  args.SetInteger("error", 0);
+  args.SetBoolean("editable_user", true);
+
+  std::string json_args;
+  base::JSONWriter::Write(&args, false, &json_args);
+
+  Browser* b = BrowserList::GetLastActive();
+  if (!b)
+    return NULL;
+
+  SetupFlow *flow = new SetupFlow(json_args, profile, new SetupFlowLoginStep());
+  b->BrowserShowHtmlDialog(flow, NULL);
+  return flow;
+}
+
+GURL SetupFlow::GetDialogContentURL() const {
+  return GURL("chrome://remotingresources/setup");
+}
+
+void SetupFlow::GetDOMMessageHandlers(
+    std::vector<DOMMessageHandler*>* handlers) const {
+  // The called will be responsible for deleting this object.
+  handlers->push_back(const_cast<SetupFlow*>(this));
+}
+
+void SetupFlow::GetDialogSize(gfx::Size* size) const {
+  PrefService* prefs = profile_->GetPrefs();
+  gfx::Font approximate_web_font(
+      UTF8ToWide(prefs->GetString(prefs::kWebKitSansSerifFontFamily)),
+      prefs->GetInteger(prefs::kWebKitDefaultFontSize));
+
+  // TODO(pranavk) Replace the following SYNC resources with REMOTING Resources.
+  *size = gfx::GetLocalizedContentsSizeForFont(
+      IDS_SYNC_SETUP_WIZARD_WIDTH_CHARS,
+      IDS_SYNC_SETUP_WIZARD_HEIGHT_LINES,
+      approximate_web_font);
+}
+
+// A callback to notify the delegate that the dialog closed.
+void SetupFlow::OnDialogClosed(const std::string& json_retval) {
+  if (current_step_ != NULL)
+    current_step_->Cancel();
+}
+
+std::string SetupFlow::GetDialogArgs() const {
+    return dialog_start_args_;
+}
+
+void SetupFlow::OnCloseContents(TabContents* source,
+                                bool* out_close_dialog) {
+}
+
+std::wstring  SetupFlow::GetDialogTitle() const {
+  return l10n_util::GetString(IDS_REMOTING_SETUP_DIALOG_TITLE);
+}
+
+bool SetupFlow::IsDialogModal() const {
+  return false;
+}
+
+bool SetupFlow::ShouldShowDialogTitle() const {
+  return true;
+}
+
+DOMMessageHandler* SetupFlow::Attach(DOMUI* dom_ui) {
+  dom_ui_ = dom_ui;
+  StartCurrentStep();
+  return DOMMessageHandler::Attach(dom_ui);
+}
+
+void SetupFlow::RegisterMessages() {
+  dom_ui_->RegisterMessageCallback("SubmitAuth",
+      NewCallback(this, &SetupFlow::HandleSubmitAuth));
+}
+
+void SetupFlow::HandleSubmitAuth(const ListValue* args) {
+  current_step_->HandleMessage("SubmitAuth", args);
+}
+
+void SetupFlow::StartCurrentStep() {
+  current_step_->Start(this, NewCallback(this, &SetupFlow::OnStepDone));
+}
+
+void SetupFlow::OnStepDone() {
+  current_step_.reset(current_step_->GetNextStep());
+  StartCurrentStep();
+}
+
+}  // namespace remoting