| OLD | NEW |
| 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 UI_ANDROID_OVERSCROLL_REFRESH_H_ | 5 #ifndef UI_ANDROID_OVERSCROLL_REFRESH_H_ |
| 6 #define UI_ANDROID_OVERSCROLL_REFRESH_H_ | 6 #define UI_ANDROID_OVERSCROLL_REFRESH_H_ |
| 7 | 7 |
| 8 #include "base/macros.h" | 8 #include "base/macros.h" |
| 9 #include "ui/android/ui_android_export.h" | 9 #include "ui/android/ui_android_export.h" |
| 10 #include "ui/gfx/geometry/size_f.h" | 10 #include "ui/gfx/geometry/size_f.h" |
| (...skipping 19 matching lines...) Expand all Loading... |
| 30 enum { kMinPullsToActivate = 3 }; | 30 enum { kMinPullsToActivate = 3 }; |
| 31 | 31 |
| 32 explicit OverscrollRefresh(OverscrollRefreshHandler* handler); | 32 explicit OverscrollRefresh(OverscrollRefreshHandler* handler); |
| 33 ~OverscrollRefresh(); | 33 ~OverscrollRefresh(); |
| 34 | 34 |
| 35 // Scroll event stream listening methods. | 35 // Scroll event stream listening methods. |
| 36 void OnScrollBegin(); | 36 void OnScrollBegin(); |
| 37 // Returns whether the refresh was activated. | 37 // Returns whether the refresh was activated. |
| 38 void OnScrollEnd(const gfx::Vector2dF& velocity); | 38 void OnScrollEnd(const gfx::Vector2dF& velocity); |
| 39 | 39 |
| 40 // Scroll ack listener. The effect will only be activated if the initial | 40 // Scroll ack listener. The effect will only be activated if the controller |
| 41 // updates go unconsumed. | 41 // decides it can navigate based on the consumed result and |
| 42 void OnScrollUpdateAck(bool was_consumed); | 42 // scroll-boundary-behavior. |
| 43 void OnOverscrolled(bool can_navigate); |
| 43 | 44 |
| 44 // Returns true if the effect has consumed the |scroll_delta|. | 45 // Returns true if the effect has consumed the |scroll_delta|. |
| 45 bool WillHandleScrollUpdate(const gfx::Vector2dF& scroll_delta); | 46 bool WillHandleScrollUpdate(const gfx::Vector2dF& scroll_delta); |
| 46 | 47 |
| 47 // Release the effect (if active), preventing any associated refresh action. | 48 // Release the effect (if active), preventing any associated refresh action. |
| 48 void ReleaseWithoutActivation(); | 49 void ReleaseWithoutActivation(); |
| 49 | 50 |
| 50 // Notify the effect of the latest scroll offset and overflow properties. | 51 // Notify the effect of the latest scroll offset and overflow properties. |
| 51 // The effect will be disabled when the offset is non-zero or overflow is | 52 // The effect will be disabled when the offset is non-zero or overflow is |
| 52 // hidden. Note: All dimensions are in device pixels. | 53 // hidden. Note: All dimensions are in device pixels. |
| (...skipping 23 matching lines...) Expand all Loading... |
| 76 } scroll_consumption_state_; | 77 } scroll_consumption_state_; |
| 77 | 78 |
| 78 OverscrollRefreshHandler* const handler_; | 79 OverscrollRefreshHandler* const handler_; |
| 79 | 80 |
| 80 DISALLOW_COPY_AND_ASSIGN(OverscrollRefresh); | 81 DISALLOW_COPY_AND_ASSIGN(OverscrollRefresh); |
| 81 }; | 82 }; |
| 82 | 83 |
| 83 } // namespace ui | 84 } // namespace ui |
| 84 | 85 |
| 85 #endif // UI_ANDROID_OVERSCROLL_REFRESH_H_ | 86 #endif // UI_ANDROID_OVERSCROLL_REFRESH_H_ |
| OLD | NEW |