OLD | NEW |
1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 package org.chromium.chromoting; | 5 package org.chromium.chromoting; |
6 | 6 |
7 import android.content.Context; | 7 import android.content.Context; |
8 import android.graphics.Point; | 8 import android.graphics.Point; |
9 import android.os.SystemClock; | 9 import android.os.SystemClock; |
10 import android.view.MotionEvent; | 10 import android.view.MotionEvent; |
11 import android.view.ViewConfiguration; | 11 import android.view.ViewConfiguration; |
12 | 12 |
13 import org.chromium.chromoting.jni.Client; | 13 import org.chromium.chromoting.jni.JniInterface; |
14 | 14 |
15 /** | 15 /** |
16 * This class receives local touch events and translates them into the appropria
te mouse based | 16 * This class receives local touch events and translates them into the appropria
te mouse based |
17 * events for the remote host. The net result is that the local input method fe
els like a touch | 17 * events for the remote host. The net result is that the local input method fe
els like a touch |
18 * interface but the remote host will be given mouse events to inject. | 18 * interface but the remote host will be given mouse events to inject. |
19 */ | 19 */ |
20 public class SimulatedTouchInputStrategy implements InputStrategyInterface { | 20 public class SimulatedTouchInputStrategy implements InputStrategyInterface { |
21 /** Used to adjust the size of the region used for double tap detection. */ | 21 /** Used to adjust the size of the region used for double tap detection. */ |
22 private static final float DOUBLE_TAP_SLOP_SCALE_FACTOR = 0.25f; | 22 private static final float DOUBLE_TAP_SLOP_SCALE_FACTOR = 0.25f; |
23 | 23 |
24 private final RenderData mRenderData; | 24 private final RenderData mRenderData; |
25 private final Client mClient; | |
26 | 25 |
27 /** | 26 /** |
28 * Stores the time of the most recent left button single tap processed. | 27 * Stores the time of the most recent left button single tap processed. |
29 */ | 28 */ |
30 private long mLastTapTimeInMs = 0; | 29 private long mLastTapTimeInMs = 0; |
31 | 30 |
32 /** | 31 /** |
33 * Stores the position of the last left button single tap processed. | 32 * Stores the position of the last left button single tap processed. |
34 */ | 33 */ |
35 private Point mLastTapPoint; | 34 private Point mLastTapPoint; |
36 | 35 |
37 /** | 36 /** |
38 * The maximum distance, in pixels, between two points in order for them to
be considered a | 37 * The maximum distance, in pixels, between two points in order for them to
be considered a |
39 * double tap gesture. | 38 * double tap gesture. |
40 */ | 39 */ |
41 private final int mDoubleTapSlopSquareInPx; | 40 private final int mDoubleTapSlopSquareInPx; |
42 | 41 |
43 /** | 42 /** |
44 * The interval, measured in milliseconds, in which two consecutive left but
ton taps must | 43 * The interval, measured in milliseconds, in which two consecutive left but
ton taps must |
45 * occur in order to be considered a double tap gesture. | 44 * occur in order to be considered a double tap gesture. |
46 */ | 45 */ |
47 private final long mDoubleTapDurationInMs; | 46 private final long mDoubleTapDurationInMs; |
48 | 47 |
49 /** Mouse-button currently held down, or BUTTON_UNDEFINED otherwise. */ | 48 /** Mouse-button currently held down, or BUTTON_UNDEFINED otherwise. */ |
50 private int mHeldButton = TouchInputHandlerInterface.BUTTON_UNDEFINED; | 49 private int mHeldButton = TouchInputHandlerInterface.BUTTON_UNDEFINED; |
51 | 50 |
52 public SimulatedTouchInputStrategy(RenderData renderData, Client client, Con
text context) { | 51 public SimulatedTouchInputStrategy(RenderData renderData, Context context) { |
53 mRenderData = renderData; | 52 mRenderData = renderData; |
54 mClient = client; | |
55 | 53 |
56 ViewConfiguration config = ViewConfiguration.get(context); | 54 ViewConfiguration config = ViewConfiguration.get(context); |
57 mDoubleTapDurationInMs = config.getDoubleTapTimeout(); | 55 mDoubleTapDurationInMs = config.getDoubleTapTimeout(); |
58 | 56 |
59 // In order to detect whether the user is attempting to double tap a tar
get, we define a | 57 // In order to detect whether the user is attempting to double tap a tar
get, we define a |
60 // region around the first point within which the second tap must occur.
The standard way | 58 // region around the first point within which the second tap must occur.
The standard way |
61 // to do this in an Android UI (meaning a UI comprised of UI elements wh
ich conform to the | 59 // to do this in an Android UI (meaning a UI comprised of UI elements wh
ich conform to the |
62 // visual guidelines for the platform which are 'Touch Friendly') is to
use the | 60 // visual guidelines for the platform which are 'Touch Friendly') is to
use the |
63 // getScaledDoubleTapSlop() value for checking this distance (or use a G
estureDetector). | 61 // getScaledDoubleTapSlop() value for checking this distance (or use a G
estureDetector). |
64 // Our scenario is a bit different as our UI consists of an image of a r
emote machine where | 62 // Our scenario is a bit different as our UI consists of an image of a r
emote machine where |
(...skipping 51 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
116 | 114 |
117 @Override | 115 @Override |
118 public boolean onPressAndHold(int button) { | 116 public boolean onPressAndHold(int button) { |
119 injectMouseButtonEvent(button, true, getCursorPosition()); | 117 injectMouseButtonEvent(button, true, getCursorPosition()); |
120 mHeldButton = button; | 118 mHeldButton = button; |
121 return true; | 119 return true; |
122 } | 120 } |
123 | 121 |
124 @Override | 122 @Override |
125 public void onScroll(float distanceX, float distanceY) { | 123 public void onScroll(float distanceX, float distanceY) { |
126 mClient.sendMouseWheelEvent((int) -distanceX, (int) -distanceY); | 124 JniInterface.sendMouseWheelEvent((int) -distanceX, (int) -distanceY); |
127 } | 125 } |
128 | 126 |
129 @Override | 127 @Override |
130 public void onMotionEvent(MotionEvent event) { | 128 public void onMotionEvent(MotionEvent event) { |
131 if (event.getActionMasked() == MotionEvent.ACTION_UP | 129 if (event.getActionMasked() == MotionEvent.ACTION_UP |
132 && mHeldButton != TouchInputHandlerInterface.BUTTON_UNDEFINED) { | 130 && mHeldButton != TouchInputHandlerInterface.BUTTON_UNDEFINED) { |
133 injectMouseButtonEvent(mHeldButton, false, getCursorPosition()); | 131 injectMouseButtonEvent(mHeldButton, false, getCursorPosition()); |
134 mHeldButton = TouchInputHandlerInterface.BUTTON_UNDEFINED; | 132 mHeldButton = TouchInputHandlerInterface.BUTTON_UNDEFINED; |
135 } | 133 } |
136 } | 134 } |
137 | 135 |
138 @Override | 136 @Override |
139 public void injectCursorMoveEvent(int x, int y) { | 137 public void injectCursorMoveEvent(int x, int y) { |
140 mClient.sendMouseEvent(x, y, TouchInputHandlerInterface.BUTTON_UNDEFINED
, false); | 138 JniInterface.sendMouseEvent(x, y, TouchInputHandlerInterface.BUTTON_UNDE
FINED, false); |
141 } | 139 } |
142 | 140 |
143 @Override | 141 @Override |
144 public DesktopView.InputFeedbackType getShortPressFeedbackType() { | 142 public DesktopView.InputFeedbackType getShortPressFeedbackType() { |
145 return DesktopView.InputFeedbackType.SMALL_ANIMATION; | 143 return DesktopView.InputFeedbackType.SMALL_ANIMATION; |
146 } | 144 } |
147 | 145 |
148 @Override | 146 @Override |
149 public DesktopView.InputFeedbackType getLongPressFeedbackType() { | 147 public DesktopView.InputFeedbackType getLongPressFeedbackType() { |
150 return DesktopView.InputFeedbackType.LARGE_ANIMATION; | 148 return DesktopView.InputFeedbackType.LARGE_ANIMATION; |
(...skipping 24 matching lines...) Expand all Loading... |
175 mRenderData.transform.mapPoints(currentValues); | 173 mRenderData.transform.mapPoints(currentValues); |
176 mRenderData.transform.mapPoints(previousValues); | 174 mRenderData.transform.mapPoints(previousValues); |
177 } | 175 } |
178 | 176 |
179 int deltaX = (int) (currentValues[0] - previousValues[0]); | 177 int deltaX = (int) (currentValues[0] - previousValues[0]); |
180 int deltaY = (int) (currentValues[1] - previousValues[1]); | 178 int deltaY = (int) (currentValues[1] - previousValues[1]); |
181 return ((deltaX * deltaX + deltaY * deltaY) <= mDoubleTapSlopSquareInPx)
; | 179 return ((deltaX * deltaX + deltaY * deltaY) <= mDoubleTapSlopSquareInPx)
; |
182 } | 180 } |
183 | 181 |
184 private void injectMouseButtonEvent(int button, boolean pressed, Point tapPo
int) { | 182 private void injectMouseButtonEvent(int button, boolean pressed, Point tapPo
int) { |
185 mClient.sendMouseEvent(tapPoint.x, tapPoint.y, button, pressed); | 183 JniInterface.sendMouseEvent(tapPoint.x, tapPoint.y, button, pressed); |
186 } | 184 } |
187 } | 185 } |
OLD | NEW |