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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_GESTURE_TEXT_SELECTOR_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_GESTURE_TEXT_SELECTOR_H_ |
| 6 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_GESTURE_TEXT_SELECTOR_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_GESTURE_TEXT_SELECTOR_H_ |
| 7 | 7 |
| 8 #include "base/gtest_prod_util.h" | 8 #include "base/gtest_prod_util.h" |
| 9 #include "base/macros.h" | 9 #include "base/macros.h" |
| 10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
| (...skipping 19 matching lines...) Expand all Loading... |
| 30 virtual void SelectRange(float x1, float y1, float x2, float y2) = 0; | 30 virtual void SelectRange(float x1, float y1, float x2, float y2) = 0; |
| 31 virtual void LongPress(base::TimeTicks time, float x, float y) = 0; | 31 virtual void LongPress(base::TimeTicks time, float x, float y) = 0; |
| 32 }; | 32 }; |
| 33 | 33 |
| 34 // A class to handle gesture-based text selection, such as when clicking first | 34 // A class to handle gesture-based text selection, such as when clicking first |
| 35 // button on stylus input. It also generates a synthetic long press gesture on | 35 // button on stylus input. It also generates a synthetic long press gesture on |
| 36 // tap so that a word can be selected or the contextual menu can be shown. | 36 // tap so that a word can be selected or the contextual menu can be shown. |
| 37 class CONTENT_EXPORT GestureTextSelector : public ui::SimpleGestureListener { | 37 class CONTENT_EXPORT GestureTextSelector : public ui::SimpleGestureListener { |
| 38 public: | 38 public: |
| 39 explicit GestureTextSelector(GestureTextSelectorClient* client); | 39 explicit GestureTextSelector(GestureTextSelectorClient* client); |
| 40 virtual ~GestureTextSelector(); | 40 ~GestureTextSelector() override; |
| 41 | 41 |
| 42 // This should be called before |event| is seen by the platform gesture | 42 // This should be called before |event| is seen by the platform gesture |
| 43 // detector or forwarded to web content. | 43 // detector or forwarded to web content. |
| 44 bool OnTouchEvent(const ui::MotionEvent& event); | 44 bool OnTouchEvent(const ui::MotionEvent& event); |
| 45 | 45 |
| 46 private: | 46 private: |
| 47 friend class GestureTextSelectorTest; | 47 friend class GestureTextSelectorTest; |
| 48 FRIEND_TEST_ALL_PREFIXES(GestureTextSelectorTest, | 48 FRIEND_TEST_ALL_PREFIXES(GestureTextSelectorTest, |
| 49 ShouldStartTextSelection); | 49 ShouldStartTextSelection); |
| 50 | 50 |
| 51 // SimpleGestureListener implementation. | 51 // SimpleGestureListener implementation. |
| 52 virtual bool OnSingleTapUp(const ui::MotionEvent& e) override; | 52 bool OnSingleTapUp(const ui::MotionEvent& e) override; |
| 53 virtual bool OnScroll(const ui::MotionEvent& e1, | 53 bool OnScroll(const ui::MotionEvent& e1, |
| 54 const ui::MotionEvent& e2, | 54 const ui::MotionEvent& e2, |
| 55 float distance_x, | 55 float distance_x, |
| 56 float distance_y) override; | 56 float distance_y) override; |
| 57 | 57 |
| 58 static bool ShouldStartTextSelection(const ui::MotionEvent& event); | 58 static bool ShouldStartTextSelection(const ui::MotionEvent& event); |
| 59 | 59 |
| 60 GestureTextSelectorClient* client_; | 60 GestureTextSelectorClient* client_; |
| 61 bool text_selection_triggered_; | 61 bool text_selection_triggered_; |
| 62 bool secondary_button_pressed_; | 62 bool secondary_button_pressed_; |
| 63 float anchor_x_; | 63 float anchor_x_; |
| 64 float anchor_y_; | 64 float anchor_y_; |
| 65 scoped_ptr<ui::GestureDetector> gesture_detector_; | 65 scoped_ptr<ui::GestureDetector> gesture_detector_; |
| 66 | 66 |
| 67 DISALLOW_COPY_AND_ASSIGN(GestureTextSelector); | 67 DISALLOW_COPY_AND_ASSIGN(GestureTextSelector); |
| 68 }; | 68 }; |
| 69 | 69 |
| 70 } // namespace content | 70 } // namespace content |
| 71 | 71 |
| 72 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_GESTURE_TEXT_SELECTOR_H_ | 72 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_GESTURE_TEXT_SELECTOR_H_ |
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