root/chrome/browser/ui/webui/chromeos/first_run/first_run_handler.cc

DEFINITIONS

1. is_finalizing_
2. IsInitialized
3. SetBackgroundVisible
4. AddRectangularHole
5. AddRoundHole
6. RemoveBackgroundHoles
7. ShowStepPositioned
8. ShowStepPointingTo
9. HideCurrentStep
10. Finalize
11. IsFinalizing
12. RegisterMessages
13. HandleInitialized
14. HandleNextButtonClicked
15. HandleHelpButtonClicked
16. HandleStepShown
17. HandleStepHidden
18. HandleFinalized

// Copyright 2013 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/ui/webui/chromeos/first_run/first_run_handler.h"

#include "base/bind.h"
#include "base/values.h"
#include "content/public/browser/web_ui.h"

namespace chromeos {

FirstRunHandler::FirstRunHandler()
    : is_initialized_(false),
      is_finalizing_(false) {
}

bool FirstRunHandler::IsInitialized() {
  return is_initialized_;
}

void FirstRunHandler::SetBackgroundVisible(bool visible) {
  web_ui()->CallJavascriptFunction("cr.FirstRun.setBackgroundVisible",
                                   base::FundamentalValue(visible));
}

void FirstRunHandler::AddRectangularHole(int x, int y, int width, int height) {
  web_ui()->CallJavascriptFunction("cr.FirstRun.addRectangularHole",
                                   base::FundamentalValue(x),
                                   base::FundamentalValue(y),
                                   base::FundamentalValue(width),
                                   base::FundamentalValue(height));
}

void FirstRunHandler::AddRoundHole(int x, int y, float radius) {
  web_ui()->CallJavascriptFunction("cr.FirstRun.addRoundHole",
                                   base::FundamentalValue(x),
                                   base::FundamentalValue(y),
                                   base::FundamentalValue(radius));
}

void FirstRunHandler::RemoveBackgroundHoles() {
  web_ui()->CallJavascriptFunction("cr.FirstRun.removeHoles");
}

void FirstRunHandler::ShowStepPositioned(const std::string& name,
                                         const StepPosition& position) {
  web_ui()->CallJavascriptFunction("cr.FirstRun.showStep",
                                   base::StringValue(name),
                                   *position.AsValue());
}

void FirstRunHandler::ShowStepPointingTo(const std::string& name,
                                         int x,
                                         int y,
                                         int offset) {
  scoped_ptr<base::Value> null(base::Value::CreateNullValue());
  base::ListValue point_with_offset;
  point_with_offset.AppendInteger(x);
  point_with_offset.AppendInteger(y);
  point_with_offset.AppendInteger(offset);
  web_ui()->CallJavascriptFunction("cr.FirstRun.showStep",
                                   base::StringValue(name),
                                   *null,
                                   point_with_offset);
}

void FirstRunHandler::HideCurrentStep() {
  web_ui()->CallJavascriptFunction("cr.FirstRun.hideCurrentStep");
}

void FirstRunHandler::Finalize() {
  is_finalizing_ = true;
  web_ui()->CallJavascriptFunction("cr.FirstRun.finalize");
}

bool FirstRunHandler::IsFinalizing() {
  return is_finalizing_;
}

void FirstRunHandler::RegisterMessages() {
  web_ui()->RegisterMessageCallback("initialized",
      base::Bind(&FirstRunHandler::HandleInitialized, base::Unretained(this)));
  web_ui()->RegisterMessageCallback("nextButtonClicked",
      base::Bind(&FirstRunHandler::HandleNextButtonClicked,
                 base::Unretained(this)));
  web_ui()->RegisterMessageCallback("helpButtonClicked",
      base::Bind(&FirstRunHandler::HandleHelpButtonClicked,
                 base::Unretained(this)));
  web_ui()->RegisterMessageCallback("stepShown",
      base::Bind(&FirstRunHandler::HandleStepShown,
                 base::Unretained(this)));
  web_ui()->RegisterMessageCallback("stepHidden",
      base::Bind(&FirstRunHandler::HandleStepHidden,
                 base::Unretained(this)));
  web_ui()->RegisterMessageCallback("finalized",
      base::Bind(&FirstRunHandler::HandleFinalized,
                 base::Unretained(this)));
}

void FirstRunHandler::HandleInitialized(const base::ListValue* args) {
  is_initialized_ = true;
  if (delegate())
    delegate()->OnActorInitialized();
}

void FirstRunHandler::HandleNextButtonClicked(const base::ListValue* args) {
  std::string step_name;
  CHECK(args->GetString(0, &step_name));
  if (delegate())
    delegate()->OnNextButtonClicked(step_name);
}

void FirstRunHandler::HandleHelpButtonClicked(const base::ListValue* args) {
  if (delegate())
    delegate()->OnHelpButtonClicked();
}

void FirstRunHandler::HandleStepShown(const base::ListValue* args) {
  std::string step_name;
  CHECK(args->GetString(0, &step_name));
  if (delegate())
    delegate()->OnStepShown(step_name);
}

void FirstRunHandler::HandleStepHidden(const base::ListValue* args) {
  std::string step_name;
  CHECK(args->GetString(0, &step_name));
  if (delegate())
    delegate()->OnStepHidden(step_name);
}

void FirstRunHandler::HandleFinalized(const base::ListValue* args) {
  is_finalizing_ = false;
  if (delegate())
    delegate()->OnActorFinalized();
}

}  // namespace chromeos