+// 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 <string>
+#include <vector>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/time/time.h"
+#include "content/browser/renderer_host/input/gesture_text_selector.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/events/event_constants.h"
+#include "ui/events/gesture_detection/gesture_event_data.h"
+#include "ui/events/gesture_detection/motion_event.h"
+#include "ui/events/test/mock_motion_event.h"
+#include "ui/gfx/geometry/rect_f.h"
+
+using ui::GestureEventData;
+using ui::GestureEventDetails;
+using ui::MotionEvent;
+using ui::test::MockMotionEvent;
+
+namespace content {
+
+class GestureTextSelectorTest : public testing::Test,
+ public GestureTextSelectorClient {
+ public:
+ GestureTextSelectorTest() {}
+ virtual ~GestureTextSelectorTest() {}
+
+ // Test implementation.
+ virtual void SetUp() OVERRIDE {
+ selector_.reset(new GestureTextSelector(this));
+ event_log_.clear();
+ }
+
+ virtual void TearDown() OVERRIDE {
+ selector_.reset();
+ event_log_.clear();
+ }
+
+ // GestureTextSelectorClient implementation.
+ virtual void ShowSelectionHandlesAutomatically() OVERRIDE {
+ event_log_.push_back("Show");
+ }
+
+ virtual void SelectRange(float x1, float y1, float x2, float y2) OVERRIDE {
+ event_log_.push_back("SelectRange");
+ }
+
+ virtual void Unselect() OVERRIDE {
+ event_log_.push_back("Unselect");
+ }
+
+ virtual void LongPress(base::TimeTicks time, float x, float y) OVERRIDE {
+ event_log_.push_back("LongPress");
+ }
+
+ protected:
+ scoped_ptr<GestureTextSelector> selector_;
+ std::vector<std::string> event_log_;
+};
+
+TEST_F(GestureTextSelectorTest, ShouldStartTextSelection) {
+ base::TimeTicks event_time = base::TimeTicks::Now();
+ { // Touched with a finger.
+ MockMotionEvent e(MotionEvent::ACTION_DOWN, event_time, 50.0f, 50.0f);
+ e.SetToolType(0, MotionEvent::TOOL_TYPE_FINGER);
+ e.SetButtonState(0);
+ EXPECT_FALSE(selector_->ShouldStartTextSelection(e));
+ }
+
+ { // Touched with a stylus, but no button pressed.
+ MockMotionEvent e(MotionEvent::ACTION_DOWN, event_time, 50.0f, 50.0f);
+ e.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
+ e.SetButtonState(0);
+ EXPECT_FALSE(selector_->ShouldStartTextSelection(e));
+ }
+
+ { // Touched with a stylus, with first button (BUTTON_SECONDARY) pressed.
+ MockMotionEvent e(MotionEvent::ACTION_DOWN, event_time, 50.0f, 50.0f);
+ e.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
+ e.SetButtonState(MotionEvent::BUTTON_SECONDARY);
+ EXPECT_TRUE(selector_->ShouldStartTextSelection(e));
+ }
+
+ { // Touched with a stylus, with two buttons pressed.
+ MockMotionEvent e(MotionEvent::ACTION_DOWN, event_time, 50.0f, 50.0f);
+ e.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
+ e.SetButtonState(
+ MotionEvent::BUTTON_SECONDARY | MotionEvent::BUTTON_TERTIARY);
+ EXPECT_FALSE(selector_->ShouldStartTextSelection(e));
+ }
+}
+
+TEST_F(GestureTextSelectorTest, FingerTouch) {
+ base::TimeTicks event_time = base::TimeTicks::Now();
+ const float x = 50.0f;
+ const float y = 30.0f;
+ // 1. Touched with a finger: ignored
+ MockMotionEvent finger(MotionEvent::ACTION_DOWN, event_time, x, y);
+ finger.SetToolType(0, MotionEvent::TOOL_TYPE_FINGER);
+ EXPECT_FALSE(selector_->OnTouchEvent(finger));
+ // We do not consume finger events.
+ EXPECT_TRUE(event_log_.empty());
+}
+
+TEST_F(GestureTextSelectorTest, PenDragging) {
+ base::TimeTicks event_time = base::TimeTicks::Now();
+ const float x1 = 50.0f;
+ const float y1 = 30.0f;
+ const float x2 = 100.0f;
+ const float y2 = 90.0f;
+ // 1. ACTION_DOWN with stylus + button
+ event_time += base::TimeDelta::FromMilliseconds(10);
+ MockMotionEvent action_down(MotionEvent::ACTION_DOWN, event_time, x1, y1);
+ action_down.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
+ action_down.SetButtonState(MotionEvent::BUTTON_SECONDARY);
+ EXPECT_TRUE(selector_->OnTouchEvent(action_down));
+ EXPECT_TRUE(event_log_.empty());
+
+ // 2. ACTION_MOVE
+ event_time += base::TimeDelta::FromMilliseconds(10);
+ MockMotionEvent action_move(MotionEvent::ACTION_MOVE, event_time, x2, y2);
+ action_move.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
+ action_move.SetButtonState(MotionEvent::BUTTON_SECONDARY);
+ EXPECT_TRUE(selector_->OnTouchEvent(action_move));
+ EXPECT_TRUE(event_log_.empty());
+
+ // 3. DOUBLE TAP
+ // Suppress most gesture events when in text selection mode.
+ event_time += base::TimeDelta::FromMilliseconds(10);
+ const GestureEventData double_tap(
+ GestureEventDetails(ui::ET_GESTURE_DOUBLE_TAP, 0, 0), 0, event_time,
+ x2, y2, x2, y2, 1, gfx::RectF(0, 0, 0, 0));
+ EXPECT_TRUE(selector_->OnGestureEvent(double_tap));
+ EXPECT_TRUE(event_log_.empty());
+
+ // 4. ET_GESTURE_SCROLL_BEGIN
+ event_time += base::TimeDelta::FromMilliseconds(10);
+ const GestureEventData scroll_begin(
+ GestureEventDetails(ui::ET_GESTURE_SCROLL_BEGIN, 0, 0), 0, event_time,
+ x1, y1, x1, y1, 1, gfx::RectF(0, 0, 0, 0));
+ EXPECT_TRUE(selector_->OnGestureEvent(scroll_begin));
+ EXPECT_EQ(1u, event_log_.size()); // Unselect
+
+ // 5. ET_GESTURE_SCROLL_UPDATE
+ event_time += base::TimeDelta::FromMilliseconds(10);
+ const GestureEventData scroll_update(
+ GestureEventDetails(ui::ET_GESTURE_SCROLL_UPDATE, 0, 0), 0, event_time,
+ x2, y2, x2, y2, 1, gfx::RectF(0, 0, 0, 0));
+ EXPECT_TRUE(selector_->OnGestureEvent(scroll_update));
+ EXPECT_EQ(3u, event_log_.size()); // Unselect, Show, SelectRange
+ EXPECT_STREQ("SelectRange", event_log_.back().c_str());
+
+ // 6. ACTION_UP
+ event_time += base::TimeDelta::FromMilliseconds(10);
+ MockMotionEvent action_up(MotionEvent::ACTION_UP, event_time, x2, y2);
+ action_up.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
+ action_up.SetButtonState(0);
+ EXPECT_TRUE(selector_->OnTouchEvent(action_up));
+ EXPECT_EQ(3u, event_log_.size()); // NO CHANGE
+
+ // 7. ET_GESTURE_SCROLL_END
+ event_time += base::TimeDelta::FromMilliseconds(10);
+ const GestureEventData scroll_end(
+ GestureEventDetails(ui::ET_GESTURE_SCROLL_END, 0, 0), 0, event_time,
+ x2, y2, x2, y2, 1, gfx::RectF(0, 0, 0, 0));
+ EXPECT_TRUE(selector_->OnGestureEvent(scroll_end));
+ EXPECT_EQ(3u, event_log_.size()); // NO CHANGE
+}
+
+TEST_F(GestureTextSelectorTest, TapToSelectWord) {
+ base::TimeTicks event_time = base::TimeTicks::Now();
+ const float x1 = 50.0f;
+ const float y1 = 30.0f;
+ const float x2 = 51.0f;
+ const float y2 = 31.0f;
+ // 1. ACTION_DOWN with stylus + button
+ event_time += base::TimeDelta::FromMilliseconds(10);
+ MockMotionEvent action_down(MotionEvent::ACTION_DOWN, event_time, x1, y1);
+ action_down.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
+ action_down.SetButtonState(MotionEvent::BUTTON_SECONDARY);
+ EXPECT_TRUE(selector_->OnTouchEvent(action_down));
+ EXPECT_TRUE(event_log_.empty());
+
+ // 5. TAP_DOWN
+ event_time += base::TimeDelta::FromMilliseconds(10);
+ const GestureEventData tap_down(
+ GestureEventDetails(ui::ET_GESTURE_TAP_DOWN, 0, 0), 0, event_time,
+ x2, y2, x2, y2, 1, gfx::RectF(0, 0, 0, 0));
+ EXPECT_TRUE(selector_->OnGestureEvent(tap_down));
+ EXPECT_TRUE(event_log_.empty());
+
+ // 2. ACTION_MOVE
+ event_time += base::TimeDelta::FromMilliseconds(10);
+ MockMotionEvent action_move(MotionEvent::ACTION_MOVE, event_time, x2, y2);
+ action_move.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
+ action_move.SetButtonState(MotionEvent::BUTTON_SECONDARY);
+ EXPECT_TRUE(selector_->OnTouchEvent(action_move));
+ EXPECT_TRUE(event_log_.empty());
+
+ // 3. ACTION_UP
+ event_time += base::TimeDelta::FromMilliseconds(10);
+ MockMotionEvent action_up(MotionEvent::ACTION_UP, event_time, x2, y2);
+ action_up.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
+ action_up.SetButtonState(0);
+ EXPECT_TRUE(selector_->OnTouchEvent(action_up));
+ EXPECT_TRUE(event_log_.empty());
+
+ // 4. TAP
+ event_time += base::TimeDelta::FromMilliseconds(10);
+ const GestureEventData tap(
+ GestureEventDetails(ui::ET_GESTURE_TAP, 0, 0), 0, event_time,
+ x1, y1, x1, y1, 1, gfx::RectF(0, 0, 0, 0));
+ EXPECT_TRUE(selector_->OnGestureEvent(tap));
+ EXPECT_EQ(1u, event_log_.size()); // LongPress
+ EXPECT_STREQ("LongPress", event_log_.back().c_str());
+}
+
+} // namespace content