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// Copyright (c) 2011 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 "base/utf_string_conversions.h"
#include "ui/gfx/point.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/render_text.h"
#include "views/controls/textfield/native_textfield_views.h"
#include "views/controls/textfield/textfield.h"
#include "views/test/views_test_base.h"
#include "views/touchui/touch_selection_controller.h"
#include "views/touchui/touch_selection_controller_impl.h"
#include "views/widget/widget.h"
namespace views {
class TouchSelectionControllerImplTest : public ViewsTestBase {
public:
TouchSelectionControllerImplTest()
: widget_(NULL),
textfield_(NULL),
textfield_view_(NULL) {
}
virtual void TearDown() {
if (widget_)
widget_->Close();
ViewsTestBase::TearDown();
}
void CreateTextfield() {
textfield_ = new Textfield();
widget_ = new Widget;
Widget::InitParams params(Widget::InitParams::TYPE_POPUP);
params.bounds = gfx::Rect(0, 0, 200, 200);
widget_->Init(params);
View* container = new View();
widget_->SetContentsView(container);
container->AddChildView(textfield_);
textfield_view_ = static_cast<NativeTextfieldViews*>(
textfield_->GetNativeWrapperForTesting());
textfield_view_->SetBoundsRect(params.bounds);
textfield_->set_id(1);
DCHECK(textfield_view_);
textfield_->RequestFocus();
}
protected:
gfx::Point GetCursorPosition(int cursor_pos) {
gfx::RenderText* render_text = textfield_view_->GetRenderText();
gfx::Rect cursor_bounds = render_text->GetCursorBounds(
gfx::SelectionModel(cursor_pos), false);
return gfx::Point(cursor_bounds.x(), cursor_bounds.bottom() - 1);
}
TouchSelectionControllerImpl* GetSelectionController() {
return static_cast<TouchSelectionControllerImpl*>(
textfield_view_->touch_selection_controller_.get());
}
void SimulateSelectionHandleDrag(gfx::Point p, int selection_handle) {
TouchSelectionControllerImpl* controller = GetSelectionController();
// Do the work of OnMousePressed().
if (selection_handle == 1)
controller->dragging_handle_ = controller->selection_handle_1_.get();
else
controller->dragging_handle_ = controller->selection_handle_2_.get();
controller->SelectionHandleDragged(p);
// Do the work of OnMouseReleased().
controller->dragging_handle_ = NULL;
}
// If textfield has selection, this method verifies that the selection handles
// are visible and at the correct positions (at the end points of selection).
// |cursor_at_selection_handle_1| is used to decide whether selection
// handle 1's position is matched against the start of selection or the end.
void VerifySelectionHandlePositions(bool cursor_at_selection_handle_1) {
if (textfield_->HasSelection()) {
EXPECT_TRUE(GetSelectionController()->IsSelectionHandle1Visible());
EXPECT_TRUE(GetSelectionController()->IsSelectionHandle2Visible());
ui::Range selected_range;
textfield_view_->GetSelectedRange(&selected_range);
gfx::Point selection_start = GetCursorPosition(selected_range.start());
gfx::Point selection_end = GetCursorPosition(selected_range.end());
gfx::Point sh1 = GetSelectionController()->GetSelectionHandle1Position();
gfx::Point sh2 = GetSelectionController()->GetSelectionHandle2Position();
sh1.Offset(10, 0); // offset by kSelectionHandleRadius.
sh2.Offset(10, 0);
if (cursor_at_selection_handle_1) {
EXPECT_EQ(sh1, selection_end);
EXPECT_EQ(sh2, selection_start);
} else {
EXPECT_EQ(sh1, selection_start);
EXPECT_EQ(sh2, selection_end);
}
} else {
EXPECT_FALSE(GetSelectionController()->IsSelectionHandle1Visible());
EXPECT_FALSE(GetSelectionController()->IsSelectionHandle2Visible());
}
}
Widget* widget_;
Textfield* textfield_;
NativeTextfieldViews* textfield_view_;
private:
DISALLOW_COPY_AND_ASSIGN(TouchSelectionControllerImplTest);
};
// Tests that the selection handles are placed appropriately when selection in
// a Textfield changes.
TEST_F(TouchSelectionControllerImplTest, SelectionInTextfieldTest) {
CreateTextfield();
textfield_->SetText(ASCIIToUTF16("some text"));
// Test selecting a range.
textfield_->SelectRange(ui::Range(3, 7));
VerifySelectionHandlePositions(false);
// Test selecting everything.
textfield_->SelectAll();
VerifySelectionHandlePositions(false);
// Test with no selection.
textfield_->ClearSelection();
VerifySelectionHandlePositions(false);
// Test with lost focus.
widget_->GetFocusManager()->ClearFocus();
VerifySelectionHandlePositions(false);
// Test with focus re-gained.
widget_->GetFocusManager()->SetFocusedView(textfield_);
VerifySelectionHandlePositions(false);
}
// Tests if the SelectRect callback is called appropriately when selection
// handles are moved.
TEST_F(TouchSelectionControllerImplTest, SelectRectCallbackTest) {
CreateTextfield();
textfield_->SetText(ASCIIToUTF16("textfield with selected text"));
textfield_->SelectRange(ui::Range(3, 7));
EXPECT_EQ(UTF16ToUTF8(textfield_->GetSelectedText()), "tfie");
VerifySelectionHandlePositions(false);
// Drag selection handle 2 to right by 3 chars.
int x = textfield_->font().GetStringWidth(ASCIIToUTF16("ld "));
SimulateSelectionHandleDrag(gfx::Point(x, 0), 2);
EXPECT_EQ(UTF16ToUTF8(textfield_->GetSelectedText()), "tfield ");
VerifySelectionHandlePositions(false);
// Drag selection handle 1 to the left by a large amount (selection should
// just stick to the beginning of the textfield).
SimulateSelectionHandleDrag(gfx::Point(-50, 0), 1);
EXPECT_EQ(UTF16ToUTF8(textfield_->GetSelectedText()), "textfield ");
VerifySelectionHandlePositions(true);
// Drag selection handle 1 across selection handle 2.
x = textfield_->font().GetStringWidth(ASCIIToUTF16("textfield with "));
SimulateSelectionHandleDrag(gfx::Point(x, 0), 1);
EXPECT_EQ(UTF16ToUTF8(textfield_->GetSelectedText()), "with ");
VerifySelectionHandlePositions(true);
// Drag selection handle 2 across selection handle 1.
x = textfield_->font().GetStringWidth(ASCIIToUTF16("with selected "));
SimulateSelectionHandleDrag(gfx::Point(x, 0), 2);
EXPECT_EQ(UTF16ToUTF8(textfield_->GetSelectedText()), "selected ");
VerifySelectionHandlePositions(false);
}
} // namespace views
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