1 /*
2 * Copyright (C) 2019 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "InputTarget.h"
18
19 #include <android-base/stringprintf.h>
20 #include <inttypes.h>
21 #include <string>
22
23 using android::base::StringPrintf;
24
25 namespace android::inputdispatcher {
26
dispatchModeToString(int32_t dispatchMode)27 std::string dispatchModeToString(int32_t dispatchMode) {
28 switch (dispatchMode) {
29 case InputTarget::FLAG_DISPATCH_AS_IS:
30 return "DISPATCH_AS_IS";
31 case InputTarget::FLAG_DISPATCH_AS_OUTSIDE:
32 return "DISPATCH_AS_OUTSIDE";
33 case InputTarget::FLAG_DISPATCH_AS_HOVER_ENTER:
34 return "DISPATCH_AS_HOVER_ENTER";
35 case InputTarget::FLAG_DISPATCH_AS_HOVER_EXIT:
36 return "DISPATCH_AS_HOVER_EXIT";
37 case InputTarget::FLAG_DISPATCH_AS_SLIPPERY_EXIT:
38 return "DISPATCH_AS_SLIPPERY_EXIT";
39 case InputTarget::FLAG_DISPATCH_AS_SLIPPERY_ENTER:
40 return "DISPATCH_AS_SLIPPERY_ENTER";
41 }
42 return StringPrintf("%" PRId32, dispatchMode);
43 }
44
addPointers(BitSet32 newPointerIds,float xOffset,float yOffset,float windowXScale,float windowYScale)45 void InputTarget::addPointers(BitSet32 newPointerIds, float xOffset, float yOffset,
46 float windowXScale, float windowYScale) {
47 // The pointerIds can be empty, but still a valid InputTarget. This can happen for Monitors
48 // and non splittable windows since we will just use all the pointers from the input event.
49 if (newPointerIds.isEmpty()) {
50 setDefaultPointerInfo(xOffset, yOffset, windowXScale, windowYScale);
51 return;
52 }
53
54 // Ensure that the new set of pointers doesn't overlap with the current set of pointers.
55 ALOG_ASSERT((pointerIds & newPointerIds) == 0);
56
57 pointerIds |= newPointerIds;
58 while (!newPointerIds.isEmpty()) {
59 int32_t pointerId = newPointerIds.clearFirstMarkedBit();
60 pointerInfos[pointerId].xOffset = xOffset;
61 pointerInfos[pointerId].yOffset = yOffset;
62 pointerInfos[pointerId].windowXScale = windowXScale;
63 pointerInfos[pointerId].windowYScale = windowYScale;
64 }
65 }
66
setDefaultPointerInfo(float xOffset,float yOffset,float windowXScale,float windowYScale)67 void InputTarget::setDefaultPointerInfo(float xOffset, float yOffset, float windowXScale,
68 float windowYScale) {
69 pointerIds.clear();
70 pointerInfos[0].xOffset = xOffset;
71 pointerInfos[0].yOffset = yOffset;
72 pointerInfos[0].windowXScale = windowXScale;
73 pointerInfos[0].windowYScale = windowYScale;
74 }
75
useDefaultPointerInfo() const76 bool InputTarget::useDefaultPointerInfo() const {
77 return pointerIds.isEmpty();
78 }
79
getDefaultPointerInfo() const80 const PointerInfo& InputTarget::getDefaultPointerInfo() const {
81 return pointerInfos[0];
82 }
83
getPointerInfoString() const84 std::string InputTarget::getPointerInfoString() const {
85 if (useDefaultPointerInfo()) {
86 const PointerInfo& pointerInfo = getDefaultPointerInfo();
87 return StringPrintf("xOffset=%.1f, yOffset=%.1f windowScaleFactor=(%.1f, %.1f)",
88 pointerInfo.xOffset, pointerInfo.yOffset, pointerInfo.windowXScale,
89 pointerInfo.windowYScale);
90 }
91
92 std::string out;
93 for (uint32_t i = pointerIds.firstMarkedBit(); i <= pointerIds.lastMarkedBit(); i++) {
94 if (!pointerIds.hasBit(i)) {
95 continue;
96 }
97 out += StringPrintf("\n pointerId %d: xOffset=%.1f, yOffset=%.1f "
98 "windowScaleFactor=(%.1f, %.1f)",
99 i, pointerInfos[i].xOffset, pointerInfos[i].yOffset,
100 pointerInfos[i].windowXScale, pointerInfos[i].windowYScale);
101 }
102 return out;
103 }
104 } // namespace android::inputdispatcher
105