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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "remoting/client/ui/direct_input_strategy.h" | |
| 6 #include "remoting/client/ui/desktop_viewport.h" | |
| 7 | |
| 8 namespace remoting { | |
| 9 | |
| 10 namespace { | |
| 11 | |
| 12 const float kTapFeedbackRadius = 25.f; | |
| 13 const float kDragFeedbackRadius = 55.f; | |
| 14 | |
| 15 } // namespace | |
| 16 | |
| 17 DirectInputStrategy::DirectInputStrategy() {} | |
| 18 | |
| 19 DirectInputStrategy::~DirectInputStrategy() {} | |
| 20 | |
| 21 void DirectInputStrategy::HandleZoom(const ViewMatrix::Point& pivot, | |
| 22 float scale, | |
| 23 DesktopViewport* viewport) { | |
| 24 viewport->ScaleDesktop(pivot.x, pivot.y, scale); | |
| 25 } | |
| 26 | |
| 27 bool DirectInputStrategy::HandlePan(const ViewMatrix::Vector2D& translation, | |
| 28 Gesture simultaneous_gesture, | |
| 29 DesktopViewport* viewport) { | |
| 30 if (simultaneous_gesture == DRAG) { | |
| 31 // If the user is dragging something, we should synchronize the movement | |
| 32 // with the object that the user is trying to move on the desktop, rather | |
| 33 // than moving the desktop around. | |
| 34 ViewMatrix::Vector2D viewport_movement = | |
| 35 viewport->GetTransformation().Invert().MapVector(translation); | |
| 36 viewport->MoveViewport(viewport_movement.x, viewport_movement.y); | |
| 37 return false; | |
| 38 } | |
| 39 | |
| 40 viewport->MoveDesktop(translation.x, translation.y); | |
| 41 return false; | |
| 42 } | |
| 43 | |
| 44 void DirectInputStrategy::TrackTouchInput(const ViewMatrix::Point& touch_point, | |
| 45 const DesktopViewport& viewport) { | |
| 46 cursor_position_ = | |
| 47 viewport.GetTransformation().Invert().MapPoint(touch_point); | |
| 48 } | |
| 49 | |
| 50 ViewMatrix::Point DirectInputStrategy::GetCursorPosition() const { | |
| 51 return cursor_position_; | |
| 52 } | |
| 53 | |
| 54 ViewMatrix::Vector2D DirectInputStrategy::MapScreenVectorToDesktop( | |
| 55 const ViewMatrix::Vector2D& delta, | |
| 56 const DesktopViewport& viewport) const { | |
| 57 return viewport.GetTransformation().Invert().MapVector(delta); | |
| 58 } | |
| 59 | |
| 60 float DirectInputStrategy::GetFeedbackRadius(InputFeedbackType type) const { | |
| 61 switch (type) { | |
| 62 case InputFeedbackType::TAP_FEEDBACK: | |
| 63 return kTapFeedbackRadius; | |
| 64 case InputFeedbackType::DRAG_FEEDBACK: | |
| 65 return kDragFeedbackRadius; | |
| 66 } | |
| 67 NOTREACHED(); | |
| 68 return 0.f; | |
| 69 } | |
| 70 | |
| 71 bool DirectInputStrategy::IsCursorVisible() const { | |
| 72 return false; | |
| 73 } | |
| 74 | |
| 75 } // namespace remoting | |
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