// 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/status_icons/status_icon_menu_model.h"

#include "base/compiler_specific.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/status_icons/status_icon.h"
#include "chrome/browser/status_icons/status_tray.h"
#include "grit/chrome_unscaled_resources.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/accelerators/accelerator.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/image/image.h"

class StatusIconMenuModelTest : public testing::Test,
                                public StatusIconMenuModel::Observer {
 public:
  virtual void SetUp() OVERRIDE {
    menu_.reset(new StatusIconMenuModel(NULL));
    menu_->AddObserver(this);
    changed_count_ = 0;
  }

  virtual void TearDown() OVERRIDE {
    menu_->RemoveObserver(this);
  }

  virtual int changed_count() {
    return changed_count_;
  }

  StatusIconMenuModel* menu_model() {
    return menu_.get();
  }

 private:
  virtual void OnMenuStateChanged() OVERRIDE {
    ++changed_count_;
  }

  scoped_ptr<StatusIconMenuModel> menu_;
  int changed_count_;
};

TEST_F(StatusIconMenuModelTest, ToggleBooleanProperties) {
  menu_model()->AddItem(0, ASCIIToUTF16("foo"));

  menu_model()->SetCommandIdChecked(0, true);
  EXPECT_TRUE(menu_model()->IsCommandIdChecked(0));
  menu_model()->SetCommandIdChecked(0, false);
  EXPECT_FALSE(menu_model()->IsCommandIdChecked(0));

  menu_model()->SetCommandIdEnabled(0, true);
  EXPECT_TRUE(menu_model()->IsCommandIdEnabled(0));
  menu_model()->SetCommandIdEnabled(0, false);
  EXPECT_FALSE(menu_model()->IsCommandIdEnabled(0));

  menu_model()->SetCommandIdVisible(0, true);
  EXPECT_TRUE(menu_model()->IsCommandIdVisible(0));
  menu_model()->SetCommandIdVisible(0, false);
  EXPECT_FALSE(menu_model()->IsCommandIdVisible(0));

  // Menu state should have changed 7 times in this test.
  EXPECT_EQ(7, changed_count());
}

TEST_F(StatusIconMenuModelTest, SetProperties) {
  menu_model()->AddItem(0, ASCIIToUTF16("foo1"));
  menu_model()->AddItem(1, ASCIIToUTF16("foo2"));

  ui::Accelerator test_accel(ui::VKEY_A, ui::EF_NONE);
  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
  gfx::Image test_image1(*rb.GetImageSkiaNamed(IDR_STATUS_TRAY_ICON));
  gfx::Image test_image2(*rb.GetImageSkiaNamed(IDR_STATUS_TRAY_ICON_PRESSED));
  ui::Accelerator accel_arg;
  gfx::Image image_arg;

  EXPECT_FALSE(menu_model()->GetAcceleratorForCommandId(0, &accel_arg));
  EXPECT_FALSE(menu_model()->GetIconForCommandId(0, &image_arg));
  EXPECT_FALSE(menu_model()->IsItemForCommandIdDynamic(0));

  // Set the accelerator and label for the first menu item.
  menu_model()->SetAcceleratorForCommandId(0, &test_accel);
  EXPECT_TRUE(menu_model()->GetAcceleratorForCommandId(0, &accel_arg));
  EXPECT_EQ(test_accel, accel_arg);

  // Try setting label and changing it. Also ensure that menu item is marked
  // dynamic since the label has changed.
  menu_model()->ChangeLabelForCommandId(0, ASCIIToUTF16("label1"));
  EXPECT_TRUE(menu_model()->IsItemForCommandIdDynamic(0));
  EXPECT_EQ(ASCIIToUTF16("label1"), menu_model()->GetLabelForCommandId(0));
  menu_model()->ChangeLabelForCommandId(0, ASCIIToUTF16("label2"));
  EXPECT_EQ(ASCIIToUTF16("label2"), menu_model()->GetLabelForCommandId(0));

  // Set the sublabel and icon image for the second menu item.
  menu_model()->ChangeSublabelForCommandId(1, ASCIIToUTF16("sublabel"));
  EXPECT_EQ(ASCIIToUTF16("sublabel"), menu_model()->GetSublabelForCommandId(1));

  // Try setting icon image and changing it.
  menu_model()->ChangeIconForCommandId(1, test_image1);
  EXPECT_TRUE(menu_model()->GetIconForCommandId(1, &image_arg));
  EXPECT_EQ(image_arg.ToImageSkia(), test_image1.ToImageSkia());
  menu_model()->ChangeIconForCommandId(1, test_image2);
  EXPECT_TRUE(menu_model()->GetIconForCommandId(1, &image_arg));
  EXPECT_EQ(image_arg.ToImageSkia(), test_image2.ToImageSkia());

  // Ensure changes to one menu item does not affect the other menu item.
  EXPECT_FALSE(menu_model()->GetAcceleratorForCommandId(1, &accel_arg));
  EXPECT_EQ(string16(), menu_model()->GetLabelForCommandId(1));
  EXPECT_EQ(string16(), menu_model()->GetSublabelForCommandId(0));
  EXPECT_FALSE(menu_model()->GetIconForCommandId(0, &image_arg));

  // Menu state should have changed 8 times in this test.
  EXPECT_EQ(8, changed_count());
}