Input Injection API on Ozone

ui/events/ozone/evdev/input_injector_evdev_unittest.cc

+// 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 "ui/events/ozone/evdev/input_injector_evdev.h"
+
+#include "base/bind.h"
+#include "base/run_loop.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/events/ozone/evdev/cursor_delegate_evdev.h"
+#include "ui/events/ozone/evdev/event_modifiers_evdev.h"
+#include "ui/events/ozone/evdev/keyboard_evdev.h"
+#include "ui/events/ozone/events_ozone.h"
+
+namespace ui {
+
+using testing::AllOf;
+using testing::InSequence;
+using testing::Property;
+
+class EventObserver {
+ public:
+  void EventDispatchCallback(scoped_ptr<Event> event) {
+    DispatchEventFromNativeUiEvent(
+        event.get(),
+        base::Bind(&EventObserver::OnEvent, base::Unretained(this)));
+  }
+
+  void OnEvent(Event* event) {
+    if (event->IsMouseEvent()) {
+      if (event->type() == ET_MOUSEWHEEL) {
+        OnMouseWheelEvent(static_cast<MouseWheelEvent*>(event));
+      } else {
+        OnMouseEvent(static_cast<MouseEvent*>(event));
+      }
+    }
+  }
+
+  // Mock functions for intercepting mouse events.
+  MOCK_METHOD1(OnMouseEvent, void(MouseEvent* event));
+  MOCK_METHOD1(OnMouseWheelEvent, void(MouseWheelEvent* event));
+};
+
+class MockCursorEvdev : public CursorDelegateEvdev {
+ public:
+  MockCursorEvdev() {}
+  ~MockCursorEvdev() override {}
+
+  // CursorDelegateEvdev:
+  void MoveCursorTo(gfx::AcceleratedWidget widget,
+                    const gfx::PointF& location) override {
+    cursor_location_ = location;
+  }
+  void MoveCursorTo(const gfx::PointF& location) override {
+    cursor_location_ = location;
+  }
+  void MoveCursor(const gfx::Vector2dF& delta) override {
+    cursor_location_ = gfx::PointF(delta.x(), delta.y());
+  }
+  bool IsCursorVisible() override { return 1; }
+  gfx::Rect GetCursorDisplayBounds() override {
+    NOTIMPLEMENTED();
+    return gfx::Rect();
+  }
+  gfx::PointF location() override { return cursor_location_; }
+
+ private:
+  // The location of the mock cursor.
+  gfx::PointF cursor_location_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockCursorEvdev);
+};
+
+MATCHER_P4(MatchesMouseEvent, type, button, x, y, "") {
+  if (arg->type() != type) {
+    *result_listener << "Expected type: " << type << " actual: " << arg->type()
+                     << " (" << arg->name() << ")";
+    return false;
+  }
+  if (button == EF_LEFT_MOUSE_BUTTON && !arg->IsLeftMouseButton()) {
+    *result_listener << "Expected the left button flag is set.";
+    return false;
+  }
+  if (button == EF_RIGHT_MOUSE_BUTTON && !arg->IsRightMouseButton()) {
+    *result_listener << "Expected the right button flag is set.";
+    return false;
+  }
+  if (button == EF_MIDDLE_MOUSE_BUTTON && !arg->IsMiddleMouseButton()) {
+    *result_listener << "Expected the middle button flag is set.";
+    return false;
+  }
+  if (arg->x() != x || arg->y() != y) {
+    *result_listener << "Expected location: (" << x << ", " << y
+                     << ") actual: (" << arg->x() << ", " << arg->y() << ")";
+    return false;
+  }
+  return true;
+}
+
+class InputInjectorEvdevTest : public testing::Test {
+ public:
+  InputInjectorEvdevTest();
+
+ protected:
+  void SimulateMouseClick(int x, int y, EventFlags button, int count);
+  void ExpectClick(int x, int y, int button, int count);
+
+  EventObserver event_observer_;
+  EventModifiersEvdev modifiers_;
+  EventDispatchCallback dispatch_callback_;
+  MockCursorEvdev cursor_;
+  KeyboardEvdev keyboard_;
+
+  InputInjectorEvdev injector_;
+
+  base::MessageLoop message_loop_;
+  base::RunLoop run_loop_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(InputInjectorEvdevTest);
+};
+
+InputInjectorEvdevTest::InputInjectorEvdevTest()
+    : dispatch_callback_(base::Bind(&EventObserver::EventDispatchCallback,
+                                    base::Unretained(&event_observer_))),
+      keyboard_(&modifiers_, dispatch_callback_),
+      injector_(&modifiers_, &cursor_, &keyboard_, dispatch_callback_) {
+}
+
+void InputInjectorEvdevTest::SimulateMouseClick(int x,
+                                                int y,
+                                                EventFlags button,
+                                                int count) {
+  injector_.MoveCursorTo(gfx::PointF(x, y));
+  for (int i = 0; i < count; i++) {
+    injector_.InjectMouseButton(button, true);
+    injector_.InjectMouseButton(button, false);
+  }
+}
+
+void InputInjectorEvdevTest::ExpectClick(int x, int y, int button, int count) {
+  InSequence dummy;
+  EXPECT_CALL(event_observer_,
+              OnMouseEvent(MatchesMouseEvent(ET_MOUSE_MOVED, EF_NONE, x, y)));
+
+  for (int i = 0; i < count; i++) {
+    EXPECT_CALL(event_observer_, OnMouseEvent(MatchesMouseEvent(
+                                     ET_MOUSE_PRESSED, button, x, y)));
+    EXPECT_CALL(event_observer_, OnMouseEvent(MatchesMouseEvent(
+                                     ET_MOUSE_RELEASED, button, x, y)));
+  }
+}
+
+TEST_F(InputInjectorEvdevTest, LeftClick) {
+  ExpectClick(12, 13, EF_LEFT_MOUSE_BUTTON, 1);
+  SimulateMouseClick(12, 13, EF_LEFT_MOUSE_BUTTON, 1);
+  run_loop_.RunUntilIdle();
+}
+
+TEST_F(InputInjectorEvdevTest, RightClick) {
+  ExpectClick(12, 13, EF_RIGHT_MOUSE_BUTTON, 1);
+  SimulateMouseClick(12, 13, EF_RIGHT_MOUSE_BUTTON, 1);
+  run_loop_.RunUntilIdle();
+}
+
+TEST_F(InputInjectorEvdevTest, DoubleClick) {
+  ExpectClick(12, 13, EF_LEFT_MOUSE_BUTTON, 2);
+  SimulateMouseClick(12, 13, EF_LEFT_MOUSE_BUTTON, 2);
+  run_loop_.RunUntilIdle();
+}
+
+TEST_F(InputInjectorEvdevTest, MouseMoved) {
+  injector_.MoveCursorTo(gfx::PointF(1, 1));
+  run_loop_.RunUntilIdle();
+  EXPECT_EQ(cursor_.location(), gfx::PointF(1, 1));
+}
+
+TEST_F(InputInjectorEvdevTest, MouseDragged) {
+  InSequence dummy;
+  EXPECT_CALL(event_observer_,
+              OnMouseEvent(MatchesMouseEvent(ET_MOUSE_PRESSED,
+                                             EF_LEFT_MOUSE_BUTTON, 0, 0)));
+  EXPECT_CALL(event_observer_,
+              OnMouseEvent(MatchesMouseEvent(ET_MOUSE_DRAGGED,
+                                             EF_LEFT_MOUSE_BUTTON, 1, 1)));
+  EXPECT_CALL(event_observer_,
+              OnMouseEvent(MatchesMouseEvent(ET_MOUSE_DRAGGED,
+                                             EF_LEFT_MOUSE_BUTTON, 2, 3)));
+  EXPECT_CALL(event_observer_,
+              OnMouseEvent(MatchesMouseEvent(ET_MOUSE_RELEASED,
+                                             EF_LEFT_MOUSE_BUTTON, 2, 3)));
+  injector_.InjectMouseButton(EF_LEFT_MOUSE_BUTTON, true);
+  injector_.MoveCursorTo(gfx::PointF(1, 1));
+  injector_.MoveCursorTo(gfx::PointF(2, 3));
+  injector_.InjectMouseButton(EF_LEFT_MOUSE_BUTTON, false);
+  run_loop_.RunUntilIdle();
+}
+
+TEST_F(InputInjectorEvdevTest, MouseWheel) {
+  InSequence dummy;
+  EXPECT_CALL(event_observer_, OnMouseWheelEvent(AllOf(
+                                   MatchesMouseEvent(ET_MOUSEWHEEL, 0, 10, 20),
+                                   Property(&MouseWheelEvent::x_offset, 0),
+                                   Property(&MouseWheelEvent::y_offset, 100))));
+  EXPECT_CALL(event_observer_, OnMouseWheelEvent(AllOf(
+                                   MatchesMouseEvent(ET_MOUSEWHEEL, 0, 10, 20),
+                                   Property(&MouseWheelEvent::x_offset, 100),
+                                   Property(&MouseWheelEvent::y_offset, 0))));
+  injector_.MoveCursorTo(gfx::PointF(10, 20));
+  injector_.InjectMouseWheel(0, 100);
+  injector_.InjectMouseWheel(100, 0);
+  run_loop_.RunUntilIdle();
+}
+
+}  // namespace ui