| // Copyright (c) 2012 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 "testing/gtest/include/gtest/gtest.h" |
| #include "ui/base/layout.h" |
| #include "ui/views/border.h" |
| #include "ui/views/controls/button/image_button.h" |
| #include "ui/views/test/views_test_base.h" |
| |
| namespace { |
| |
| gfx::ImageSkia CreateTestImage(int width, int height) { |
| SkBitmap bitmap; |
| bitmap.allocN32Pixels(width, height); |
| return gfx::ImageSkia::CreateFrom1xBitmap(bitmap); |
| } |
| |
| } // namespace |
| |
| namespace views { |
| |
| typedef ViewsTestBase ImageButtonTest; |
| |
| TEST_F(ImageButtonTest, Basics) { |
| ImageButton button(NULL); |
| |
| // Our image to paint starts empty. |
| EXPECT_TRUE(button.GetImageToPaint().isNull()); |
| |
| // Without a theme, buttons are 16x14 by default. |
| EXPECT_EQ("16x14", button.GetPreferredSize().ToString()); |
| |
| // We can set a preferred size when we have no image. |
| button.SetPreferredSize(gfx::Size(5, 15)); |
| EXPECT_EQ("5x15", button.GetPreferredSize().ToString()); |
| |
| // Set a normal image. |
| gfx::ImageSkia normal_image = CreateTestImage(10, 20); |
| button.SetImage(CustomButton::STATE_NORMAL, &normal_image); |
| |
| // Image uses normal image for painting. |
| EXPECT_FALSE(button.GetImageToPaint().isNull()); |
| EXPECT_EQ(10, button.GetImageToPaint().width()); |
| EXPECT_EQ(20, button.GetImageToPaint().height()); |
| |
| // Preferred size is the normal button size. |
| EXPECT_EQ("10x20", button.GetPreferredSize().ToString()); |
| |
| // Set a pushed image. |
| gfx::ImageSkia pushed_image = CreateTestImage(11, 21); |
| button.SetImage(CustomButton::STATE_PRESSED, &pushed_image); |
| |
| // By convention, preferred size doesn't change, even though pushed image |
| // is bigger. |
| EXPECT_EQ("10x20", button.GetPreferredSize().ToString()); |
| |
| // We're still painting the normal image. |
| EXPECT_FALSE(button.GetImageToPaint().isNull()); |
| EXPECT_EQ(10, button.GetImageToPaint().width()); |
| EXPECT_EQ(20, button.GetImageToPaint().height()); |
| } |
| |
| TEST_F(ImageButtonTest, SetAndGetImage) { |
| ImageButton button(NULL); |
| |
| // Images start as null. |
| EXPECT_TRUE(button.GetImage(Button::STATE_NORMAL).isNull()); |
| EXPECT_TRUE(button.GetImage(Button::STATE_HOVERED).isNull()); |
| EXPECT_TRUE(button.GetImage(Button::STATE_PRESSED).isNull()); |
| EXPECT_TRUE(button.GetImage(Button::STATE_DISABLED).isNull()); |
| |
| // Setting images works as expected. |
| gfx::ImageSkia image1 = CreateTestImage(10, 11); |
| gfx::ImageSkia image2 = CreateTestImage(20, 21); |
| button.SetImage(Button::STATE_NORMAL, &image1); |
| button.SetImage(Button::STATE_HOVERED, &image2); |
| EXPECT_TRUE( |
| button.GetImage(Button::STATE_NORMAL).BackedBySameObjectAs(image1)); |
| EXPECT_TRUE( |
| button.GetImage(Button::STATE_HOVERED).BackedBySameObjectAs(image2)); |
| EXPECT_TRUE(button.GetImage(Button::STATE_PRESSED).isNull()); |
| EXPECT_TRUE(button.GetImage(Button::STATE_DISABLED).isNull()); |
| |
| // ImageButton supports NULL image pointers. |
| button.SetImage(Button::STATE_NORMAL, NULL); |
| EXPECT_TRUE(button.GetImage(Button::STATE_NORMAL).isNull()); |
| } |
| |
| TEST_F(ImageButtonTest, ImagePositionWithBorder) { |
| ImageButton button(NULL); |
| gfx::ImageSkia image = CreateTestImage(20, 30); |
| button.SetImage(CustomButton::STATE_NORMAL, &image); |
| |
| // The image should be painted at the top-left corner. |
| EXPECT_EQ(gfx::Point().ToString(), |
| button.ComputeImagePaintPosition(image).ToString()); |
| |
| button.SetBorder(views::Border::CreateEmptyBorder(10, 5, 0, 0)); |
| EXPECT_EQ(gfx::Point(5, 10).ToString(), |
| button.ComputeImagePaintPosition(image).ToString()); |
| |
| button.SetBorder(Border::NullBorder()); |
| button.SetBounds(0, 0, 50, 50); |
| EXPECT_EQ(gfx::Point().ToString(), |
| button.ComputeImagePaintPosition(image).ToString()); |
| |
| button.SetImageAlignment(ImageButton::ALIGN_CENTER, |
| ImageButton::ALIGN_MIDDLE); |
| EXPECT_EQ(gfx::Point(15, 10).ToString(), |
| button.ComputeImagePaintPosition(image).ToString()); |
| button.SetBorder(views::Border::CreateEmptyBorder(10, 10, 0, 0)); |
| EXPECT_EQ(gfx::Point(20, 15).ToString(), |
| button.ComputeImagePaintPosition(image).ToString()); |
| } |
| |
| TEST_F(ImageButtonTest, LeftAlignedMirrored) { |
| ImageButton button(NULL); |
| gfx::ImageSkia image = CreateTestImage(20, 30); |
| button.SetImage(CustomButton::STATE_NORMAL, &image); |
| button.SetBounds(0, 0, 50, 30); |
| button.SetImageAlignment(ImageButton::ALIGN_LEFT, |
| ImageButton::ALIGN_BOTTOM); |
| button.SetDrawImageMirrored(true); |
| |
| // Because the coordinates are flipped, we should expect this to draw as if |
| // it were ALIGN_RIGHT. |
| EXPECT_EQ(gfx::Point(30, 0).ToString(), |
| button.ComputeImagePaintPosition(image).ToString()); |
| } |
| |
| TEST_F(ImageButtonTest, RightAlignedMirrored) { |
| ImageButton button(NULL); |
| gfx::ImageSkia image = CreateTestImage(20, 30); |
| button.SetImage(CustomButton::STATE_NORMAL, &image); |
| button.SetBounds(0, 0, 50, 30); |
| button.SetImageAlignment(ImageButton::ALIGN_RIGHT, |
| ImageButton::ALIGN_BOTTOM); |
| button.SetDrawImageMirrored(true); |
| |
| // Because the coordinates are flipped, we should expect this to draw as if |
| // it were ALIGN_LEFT. |
| EXPECT_EQ(gfx::Point(0, 0).ToString(), |
| button.ComputeImagePaintPosition(image).ToString()); |
| } |
| |
| } // namespace views |