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// Copyright 2016 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/views/location_bar/icon_label_bubble_view.h"
#include "base/strings/utf_string_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/test/views_test_base.h"
namespace {
const int kStayOpenTimeMS = 100;
const int kOpenTimeMS = 100;
const int kAnimationDurationMS = (kOpenTimeMS * 2) + kStayOpenTimeMS;
const int kImageSize = 15;
const SkColor kTestColor = SkColorSetRGB(64, 64, 64);
const int kNumberOfSteps = 300;
class TestIconLabelBubbleView : public IconLabelBubbleView {
public:
enum State {
GROWING,
STEADY,
SHRINKING,
};
TestIconLabelBubbleView(const gfx::FontList& font_list, SkColor color)
: IconLabelBubbleView(0, font_list, color, false), value_(0) {
GetImageView()->SetImageSize(gfx::Size(kImageSize, kImageSize));
SetLabel(base::ASCIIToUTF16("Label"));
}
void SetCurrentAnimationValue(int value) {
value_ = value;
SizeToPreferredSize();
}
int width() { return bounds().width(); }
bool IsLabelVisible() const { return label()->visible(); }
void SetLabelVisible(bool visible) { label()->SetVisible(visible); }
const gfx::Rect& GetLabelBounds() const { return label()->bounds(); }
State state() const {
const double kOpenFraction =
static_cast<double>(kOpenTimeMS) / kAnimationDurationMS;
double state = value_ / (double)kNumberOfSteps;
if (state < kOpenFraction)
return GROWING;
if (state > (1.0 - kOpenFraction))
return SHRINKING;
return STEADY;
}
protected:
// IconLabelBubbleView:
SkColor GetTextColor() const override { return kTestColor; }
SkColor GetBorderColor() const override { return kTestColor; }
bool ShouldShowBackground() const override {
return !IsShrinking() || label()->width() > 0;
}
double WidthMultiplier() const override {
const double kOpenFraction =
static_cast<double>(kOpenTimeMS) / kAnimationDurationMS;
double fraction = value_ / (double)kNumberOfSteps;
switch (state()) {
case GROWING:
return fraction / kOpenFraction;
case STEADY:
return 1.0;
case SHRINKING:
return (1.0 - fraction) / kOpenFraction;
}
NOTREACHED();
return 1.0;
}
bool IsShrinking() const override { return state() == SHRINKING; }
private:
int value_;
DISALLOW_COPY_AND_ASSIGN(TestIconLabelBubbleView);
};
} // namespace
class IconLabelBubbleViewTest : public views::ViewsTestBase {
public:
IconLabelBubbleViewTest()
: views::ViewsTestBase(),
steady_reached_(false),
shrinking_reached_(false),
minimum_size_reached_(false),
previous_width_(0),
initial_image_x_(0) {}
~IconLabelBubbleViewTest() override {}
protected:
// views::ViewsTestBase:
void SetUp() override {
views::ViewsTestBase::SetUp();
gfx::FontList font_list;
view_.reset(new TestIconLabelBubbleView(font_list, kTestColor));
}
void VerifyWithAnimationStep(int step) {
Reset();
for (int value = 0; value < kNumberOfSteps; value += step) {
SetValue(value);
VerifyAnimationStep();
}
view_->SetLabelVisible(false);
}
private:
void Reset() {
view_->SetLabelVisible(true);
SetValue(0);
steady_reached_ = false;
shrinking_reached_ = false;
minimum_size_reached_ = false;
previous_width_ = 0;
initial_image_x_ = GetImageBounds().x();
EXPECT_NE(0, initial_image_x_);
}
void VerifyAnimationStep() {
switch (state()) {
case TestIconLabelBubbleView::State::GROWING: {
EXPECT_GE(width(), previous_width_);
EXPECT_EQ(initial_image_x_, GetImageBounds().x());
EXPECT_GE(GetImageBounds().x(), 0);
if (GetImageBounds().width() > 0)
EXPECT_LE(GetImageBounds().right(), width());
EXPECT_TRUE(IsLabelVisible());
if (GetLabelBounds().width() > 0) {
EXPECT_GT(GetLabelBounds().x(), GetImageBounds().right());
EXPECT_LT(GetLabelBounds().right(), width());
}
break;
}
case TestIconLabelBubbleView::State::STEADY: {
if (steady_reached_)
EXPECT_EQ(previous_width_, width());
EXPECT_EQ(initial_image_x_, GetImageBounds().x());
EXPECT_GT(GetImageBounds().x(), 0);
EXPECT_LT(GetImageBounds().right(), width());
EXPECT_TRUE(IsLabelVisible());
EXPECT_GT(GetLabelBounds().x(), GetImageBounds().right());
EXPECT_LT(GetLabelBounds().right(), width());
steady_reached_ = true;
break;
}
case TestIconLabelBubbleView::State::SHRINKING: {
if (shrinking_reached_)
EXPECT_LE(width(), previous_width_);
if (minimum_size_reached_)
EXPECT_EQ(previous_width_, width());
EXPECT_GE(GetImageBounds().x(), 0);
if (width() <= initial_image_x_ + kImageSize) {
EXPECT_EQ(width(), GetImageBounds().right());
EXPECT_EQ(0, GetLabelBounds().width());
} else {
EXPECT_EQ(initial_image_x_, GetImageBounds().x());
EXPECT_LE(GetImageBounds().right(), width());
}
if (GetLabelBounds().width() > 0) {
EXPECT_GT(GetLabelBounds().x(), GetImageBounds().right());
EXPECT_LT(GetLabelBounds().right(), width());
}
shrinking_reached_ = true;
if (width() == kImageSize)
minimum_size_reached_ = true;
break;
}
}
previous_width_ = width();
}
void SetValue(int value) { view_->SetCurrentAnimationValue(value); }
TestIconLabelBubbleView::State state() const { return view_->state(); }
int width() { return view_->width(); }
bool IsLabelVisible() { return view_->IsLabelVisible(); }
const gfx::Rect& GetLabelBounds() const { return view_->GetLabelBounds(); }
const gfx::Rect& GetImageBounds() const {
return view_->GetImageView()->bounds();
}
scoped_ptr<TestIconLabelBubbleView> view_;
bool steady_reached_;
bool shrinking_reached_;
bool minimum_size_reached_;
int previous_width_;
int initial_image_x_;
};
// Tests layout rules for IconLabelBubbleView while simulating animation.
// The animation is first growing the bubble from zero, then keeping its size
// constant and finally shrinking it down to its minimum size which is the image
// size.
// Various step sizes during animation simulate different possible timing.
TEST_F(IconLabelBubbleViewTest, AnimateLayout) {
VerifyWithAnimationStep(1);
VerifyWithAnimationStep(5);
VerifyWithAnimationStep(10);
VerifyWithAnimationStep(25);
}
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