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// 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/aura/event.h"
#include "ui/aura/root_window.h"
#include "ui/aura/test/aura_test_base.h"
#include "ui/aura/test/test_window_delegate.h"
#include "ui/aura/test/test_windows.h"
#include "ui/base/hit_test.h"
#include "ui/gfx/point.h"
#include "ui/gfx/rect.h"
namespace aura {
namespace test {
namespace {
// A delegate that keeps track of gesture events.
class GestureEventConsumeDelegate : public TestWindowDelegate {
public:
GestureEventConsumeDelegate()
: tap_(false),
tap_down_(false),
double_tap_(false),
scroll_begin_(false),
scroll_update_(false),
scroll_end_(false),
scroll_x_(0),
scroll_y_(0) {
}
virtual ~GestureEventConsumeDelegate() {}
void Reset() {
tap_ = false;
tap_down_ = false;
double_tap_ = false;
scroll_begin_ = false;
scroll_update_ = false;
scroll_end_ = false;
scroll_x_ = 0;
scroll_y_ = 0;
}
bool tap() const { return tap_; }
bool tap_down() const { return tap_down_; }
bool double_tap() const { return double_tap_; }
bool scroll_begin() const { return scroll_begin_; }
bool scroll_update() const { return scroll_update_; }
bool scroll_end() const { return scroll_end_; }
float scroll_x() const { return scroll_x_; }
float scroll_y() const { return scroll_y_; }
virtual ui::GestureStatus OnGestureEvent(GestureEvent* gesture) OVERRIDE {
switch (gesture->type()) {
case ui::ET_GESTURE_TAP:
tap_ = true;
break;
case ui::ET_GESTURE_TAP_DOWN:
tap_down_ = true;
break;
case ui::ET_GESTURE_DOUBLE_TAP:
double_tap_ = true;
break;
case ui::ET_GESTURE_SCROLL_BEGIN:
scroll_begin_ = true;
break;
case ui::ET_GESTURE_SCROLL_UPDATE:
scroll_update_ = true;
scroll_x_ += gesture->delta_x();
scroll_y_ += gesture->delta_y();
break;
case ui::ET_GESTURE_SCROLL_END:
scroll_end_ = true;
break;
default:
NOTREACHED();
}
return ui::GESTURE_STATUS_CONSUMED;
}
private:
bool tap_;
bool tap_down_;
bool double_tap_;
bool scroll_begin_;
bool scroll_update_;
bool scroll_end_;
float scroll_x_;
float scroll_y_;
DISALLOW_COPY_AND_ASSIGN(GestureEventConsumeDelegate);
};
// A delegate that ignores gesture events but keeps track of [synthetic] mouse
// events.
class GestureEventSynthDelegate : public TestWindowDelegate {
public:
GestureEventSynthDelegate()
: mouse_enter_(false),
mouse_exit_(false),
mouse_press_(false),
mouse_release_(false),
mouse_move_(false) {
}
void Reset() {
mouse_enter_ = false;
mouse_exit_ = false;
mouse_press_ = false;
mouse_release_ = false;
mouse_move_ = false;
}
bool mouse_enter() const { return mouse_enter_; }
bool mouse_exit() const { return mouse_exit_; }
bool mouse_press() const { return mouse_press_; }
bool mouse_move() const { return mouse_move_; }
bool mouse_release() const { return mouse_release_; }
virtual bool OnMouseEvent(MouseEvent* event) OVERRIDE {
switch (event->type()) {
case ui::ET_MOUSE_PRESSED:
mouse_press_ = true;
break;
case ui::ET_MOUSE_RELEASED:
mouse_release_ = true;
break;
case ui::ET_MOUSE_MOVED:
mouse_move_ = true;
break;
case ui::ET_MOUSE_ENTERED:
mouse_enter_ = true;
break;
case ui::ET_MOUSE_EXITED:
mouse_exit_ = true;
break;
default:
NOTREACHED();
}
return true;
}
private:
bool mouse_enter_;
bool mouse_exit_;
bool mouse_press_;
bool mouse_release_;
bool mouse_move_;
DISALLOW_COPY_AND_ASSIGN(GestureEventSynthDelegate);
};
} // namespace
typedef AuraTestBase GestureRecognizerTest;
// Check that appropriate touch events generate tap gesture events.
TEST_F(GestureRecognizerTest, GestureEventTap) {
scoped_ptr<GestureEventConsumeDelegate> delegate(
new GestureEventConsumeDelegate());
const int kWindowWidth = 123;
const int kWindowHeight = 45;
gfx::Rect bounds(100, 200, kWindowWidth, kWindowHeight);
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
delegate.get(), -1234, bounds, NULL));
delegate->Reset();
TouchEvent press(ui::ET_TOUCH_PRESSED, gfx::Point(101, 201), 0);
RootWindow::GetInstance()->DispatchTouchEvent(&press);
EXPECT_FALSE(delegate->tap());
EXPECT_TRUE(delegate->tap_down());
EXPECT_FALSE(delegate->double_tap());
EXPECT_FALSE(delegate->scroll_begin());
EXPECT_FALSE(delegate->scroll_update());
EXPECT_FALSE(delegate->scroll_end());
// Make sure there is enough delay before the touch is released so that it is
// recognized as a tap.
delegate->Reset();
TouchEvent release(ui::ET_TOUCH_RELEASED, gfx::Point(101, 201), 0);
Event::TestApi test_release(&release);
test_release.set_time_stamp(press.time_stamp() +
base::TimeDelta::FromMilliseconds(50));
RootWindow::GetInstance()->DispatchTouchEvent(&release);
EXPECT_TRUE(delegate->tap());
EXPECT_FALSE(delegate->tap_down());
EXPECT_FALSE(delegate->double_tap());
EXPECT_FALSE(delegate->scroll_begin());
EXPECT_FALSE(delegate->scroll_update());
EXPECT_FALSE(delegate->scroll_end());
}
// Check that appropriate touch events generate scroll gesture events.
TEST_F(GestureRecognizerTest, GestureEventScroll) {
scoped_ptr<GestureEventConsumeDelegate> delegate(
new GestureEventConsumeDelegate());
const int kWindowWidth = 123;
const int kWindowHeight = 45;
gfx::Rect bounds(100, 200, kWindowWidth, kWindowHeight);
scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
delegate.get(), -1234, bounds, NULL));
delegate->Reset();
TouchEvent press(ui::ET_TOUCH_PRESSED, gfx::Point(101, 201), 0);
RootWindow::GetInstance()->DispatchTouchEvent(&press);
EXPECT_FALSE(delegate->tap());
EXPECT_TRUE(delegate->tap_down());
EXPECT_FALSE(delegate->double_tap());
EXPECT_FALSE(delegate->scroll_begin());
EXPECT_FALSE(delegate->scroll_update());
EXPECT_FALSE(delegate->scroll_end());
// Move the touch-point enough so that it is considered as a scroll. This
// should generate both SCROLL_BEGIN and SCROLL_UPDATE gestures.
delegate->Reset();
TouchEvent move(ui::ET_TOUCH_MOVED, gfx::Point(130, 201), 0);
RootWindow::GetInstance()->DispatchTouchEvent(&move);
EXPECT_FALSE(delegate->tap());
EXPECT_FALSE(delegate->tap_down());
EXPECT_FALSE(delegate->double_tap());
EXPECT_TRUE(delegate->scroll_begin());
EXPECT_TRUE(delegate->scroll_update());
EXPECT_FALSE(delegate->scroll_end());
EXPECT_EQ(29, delegate->scroll_x());
EXPECT_EQ(0, delegate->scroll_y());
// Release the touch. This should end the scroll.
delegate->Reset();
TouchEvent release(ui::ET_TOUCH_RELEASED, gfx::Point(101, 201), 0);
Event::TestApi test_release(&release);
test_release.set_time_stamp(press.time_stamp() +
base::TimeDelta::FromMilliseconds(50));
RootWindow::GetInstance()->DispatchTouchEvent(&release);
EXPECT_FALSE(delegate->tap());
EXPECT_FALSE(delegate->tap_down());
EXPECT_FALSE(delegate->double_tap());
EXPECT_FALSE(delegate->scroll_begin());
EXPECT_FALSE(delegate->scroll_update());
EXPECT_TRUE(delegate->scroll_end());
}
// Check that unprocessed gesture events generate appropriate synthetic mouse
// events.
TEST_F(GestureRecognizerTest, GestureTapSyntheticMouse) {
scoped_ptr<GestureEventSynthDelegate> delegate(
new GestureEventSynthDelegate());
scoped_ptr<Window> window(CreateTestWindowWithDelegate(delegate.get(), -1234,
gfx::Rect(0, 0, 123, 45), NULL));
delegate->Reset();
GestureEvent tap(ui::ET_GESTURE_TAP, 20, 20, 0, base::Time::Now(), 0, 0);
RootWindow::GetInstance()->DispatchGestureEvent(&tap);
EXPECT_TRUE(delegate->mouse_enter());
EXPECT_TRUE(delegate->mouse_press());
EXPECT_TRUE(delegate->mouse_release());
EXPECT_TRUE(delegate->mouse_exit());
}
} // namespace test
} // namespace aura
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