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// Copyright 2014 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 "ash/ime/candidate_view.h"
#include "base/logging.h"
#include "base/strings/utf_string_conversions.h"
#include "ui/aura/window.h"
#include "ui/events/test/event_generator.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/test/views_test_base.h"
#include "ui/views/widget/widget_delegate.h"
namespace ash {
namespace ime {
namespace {
const char* const kDummyCandidates[] = {
"candidate1",
"candidate2",
"candidate3",
};
} // namespace
class CandidateViewTest : public views::ViewsTestBase,
public views::ButtonListener {
public:
CandidateViewTest() : widget_(NULL), last_pressed_(NULL) {}
virtual ~CandidateViewTest() {}
virtual void SetUp() override {
views::ViewsTestBase::SetUp();
views::Widget::InitParams init_params(CreateParams(
views::Widget::InitParams::TYPE_WINDOW));
init_params.delegate = new views::WidgetDelegateView();
container_ = init_params.delegate->GetContentsView();
container_->SetLayoutManager(
new views::BoxLayout(views::BoxLayout::kVertical, 0, 0, 0));
for (size_t i = 0; i < arraysize(kDummyCandidates); ++i) {
CandidateView* candidate = new CandidateView(
this, ui::CandidateWindow::VERTICAL);
ui::CandidateWindow::Entry entry;
entry.value = base::UTF8ToUTF16(kDummyCandidates[i]);
candidate->SetEntry(entry);
container_->AddChildView(candidate);
}
widget_ = new views::Widget();
widget_->Init(init_params);
widget_->Show();
aura::Window* native_window = widget_->GetNativeWindow();
event_generator_.reset(new ui::test::EventGenerator(
native_window->GetRootWindow(), native_window));
}
virtual void TearDown() override {
widget_->Close();
views::ViewsTestBase::TearDown();
}
protected:
CandidateView* GetCandidateAt(int index) {
return static_cast<CandidateView*>(container_->child_at(index));
}
int GetHighlightedIndex(int* highlighted_count) const {
*highlighted_count = 0;
int last_highlighted = -1;
for (int i = 0; i < container_->child_count(); ++i) {
if (container_->child_at(i)->background() != NULL) {
(*highlighted_count)++;
last_highlighted = i;
}
}
return last_highlighted;
}
int GetLastPressedIndexAndReset() {
for (int i = 0; i < container_->child_count(); ++i) {
if (last_pressed_ == container_->child_at(i)) {
last_pressed_ = NULL;
return i;
}
}
DCHECK(last_pressed_ == NULL);
last_pressed_ = NULL;
return -1;
}
ui::test::EventGenerator* event_generator() { return event_generator_.get(); }
private:
virtual void ButtonPressed(views::Button* sender,
const ui::Event& event) override {
last_pressed_ = sender;
}
views::Widget* widget_;
views::View* container_;
scoped_ptr<ui::test::EventGenerator> event_generator_;
views::View* last_pressed_;
DISALLOW_COPY_AND_ASSIGN(CandidateViewTest);
};
TEST_F(CandidateViewTest, MouseHovers) {
GetCandidateAt(0)->SetHighlighted(true);
int highlighted_count = 0;
EXPECT_EQ(0, GetHighlightedIndex(&highlighted_count));
EXPECT_EQ(1, highlighted_count);
// Mouse hover shouldn't change the background.
event_generator()->MoveMouseTo(
GetCandidateAt(0)->GetBoundsInScreen().CenterPoint());
EXPECT_EQ(0, GetHighlightedIndex(&highlighted_count));
EXPECT_EQ(1, highlighted_count);
// Mouse hover shouldn't change the background.
event_generator()->MoveMouseTo(
GetCandidateAt(1)->GetBoundsInScreen().CenterPoint());
EXPECT_EQ(0, GetHighlightedIndex(&highlighted_count));
EXPECT_EQ(1, highlighted_count);
// Mouse hover shouldn't change the background.
event_generator()->MoveMouseTo(
GetCandidateAt(2)->GetBoundsInScreen().CenterPoint());
EXPECT_EQ(0, GetHighlightedIndex(&highlighted_count));
EXPECT_EQ(1, highlighted_count);
}
TEST_F(CandidateViewTest, MouseClick) {
event_generator()->MoveMouseTo(
GetCandidateAt(1)->GetBoundsInScreen().CenterPoint());
event_generator()->ClickLeftButton();
EXPECT_EQ(1, GetLastPressedIndexAndReset());
}
TEST_F(CandidateViewTest, ClickAndMove) {
GetCandidateAt(0)->SetHighlighted(true);
int highlighted_count = 0;
EXPECT_EQ(0, GetHighlightedIndex(&highlighted_count));
EXPECT_EQ(1, highlighted_count);
event_generator()->MoveMouseTo(
GetCandidateAt(2)->GetBoundsInScreen().CenterPoint());
event_generator()->PressLeftButton();
EXPECT_EQ(2, GetHighlightedIndex(&highlighted_count));
EXPECT_EQ(1, highlighted_count);
// Highlight follows the drag.
event_generator()->MoveMouseTo(
GetCandidateAt(1)->GetBoundsInScreen().CenterPoint());
EXPECT_EQ(1, GetHighlightedIndex(&highlighted_count));
EXPECT_EQ(1, highlighted_count);
event_generator()->MoveMouseTo(
GetCandidateAt(0)->GetBoundsInScreen().CenterPoint());
EXPECT_EQ(0, GetHighlightedIndex(&highlighted_count));
EXPECT_EQ(1, highlighted_count);
event_generator()->MoveMouseTo(
GetCandidateAt(1)->GetBoundsInScreen().CenterPoint());
EXPECT_EQ(1, GetHighlightedIndex(&highlighted_count));
EXPECT_EQ(1, highlighted_count);
event_generator()->ReleaseLeftButton();
EXPECT_EQ(1, GetLastPressedIndexAndReset());
}
} // namespace ime
} // namespace ash
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