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Issue 2808093006: [Device Service] Move Gamepad Blink headers to be part of the Gamepad client library (Closed)
Patch Set: rebase and address comments Created 3 years, 8 months ago
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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 #include "device/gamepad/gamepad_platform_data_fetcher_android.h" 5 #include "device/gamepad/gamepad_platform_data_fetcher_android.h"
6 6
7 #include <stddef.h> 7 #include <stddef.h>
8 8
9 #include "base/android/jni_android.h" 9 #include "base/android/jni_android.h"
10 #include "base/android/jni_array.h" 10 #include "base/android/jni_array.h"
11 #include "base/android/jni_string.h" 11 #include "base/android/jni_string.h"
12 #include "base/strings/string_number_conversions.h" 12 #include "base/strings/string_number_conversions.h"
13 #include "base/strings/string_util.h" 13 #include "base/strings/string_util.h"
14 #include "base/strings/utf_string_conversions.h" 14 #include "base/strings/utf_string_conversions.h"
15 #include "base/trace_event/trace_event.h" 15 #include "base/trace_event/trace_event.h"
16 16
17 #include "jni/GamepadList_jni.h" 17 #include "jni/GamepadList_jni.h"
18 18
19 #include "third_party/WebKit/public/platform/WebGamepads.h"
20
21 using base::android::AttachCurrentThread; 19 using base::android::AttachCurrentThread;
22 using base::android::CheckException; 20 using base::android::CheckException;
23 using base::android::ClearException; 21 using base::android::ClearException;
24 using base::android::ConvertJavaStringToUTF8; 22 using base::android::ConvertJavaStringToUTF8;
25 using base::android::JavaParamRef; 23 using base::android::JavaParamRef;
26 using base::android::ScopedJavaLocalRef; 24 using base::android::ScopedJavaLocalRef;
27 using blink::WebGamepad;
28 using blink::WebGamepads;
29 25
30 namespace device { 26 namespace device {
31 27
32 bool GamepadPlatformDataFetcherAndroid:: 28 bool GamepadPlatformDataFetcherAndroid::
33 RegisterGamepadPlatformDataFetcherAndroid(JNIEnv* env) { 29 RegisterGamepadPlatformDataFetcherAndroid(JNIEnv* env) {
34 return RegisterNativesImpl(env); 30 return RegisterNativesImpl(env);
35 } 31 }
36 32
37 GamepadPlatformDataFetcherAndroid::GamepadPlatformDataFetcherAndroid() { 33 GamepadPlatformDataFetcherAndroid::GamepadPlatformDataFetcherAndroid() {
38 } 34 }
(...skipping 35 matching lines...) Expand 10 before | Expand all | Expand 10 after
74 jint index, 70 jint index,
75 jboolean mapping, 71 jboolean mapping,
76 jboolean connected, 72 jboolean connected,
77 const JavaParamRef<jstring>& devicename, 73 const JavaParamRef<jstring>& devicename,
78 jlong timestamp, 74 jlong timestamp,
79 const JavaParamRef<jfloatArray>& jaxes, 75 const JavaParamRef<jfloatArray>& jaxes,
80 const JavaParamRef<jfloatArray>& jbuttons) { 76 const JavaParamRef<jfloatArray>& jbuttons) {
81 DCHECK(data_fetcher); 77 DCHECK(data_fetcher);
82 GamepadPlatformDataFetcherAndroid* fetcher = 78 GamepadPlatformDataFetcherAndroid* fetcher =
83 reinterpret_cast<GamepadPlatformDataFetcherAndroid*>(data_fetcher); 79 reinterpret_cast<GamepadPlatformDataFetcherAndroid*>(data_fetcher);
84 DCHECK_LT(index, static_cast<int>(blink::WebGamepads::kItemsLengthCap)); 80 DCHECK_LT(index, static_cast<int>(Gamepads::kItemsLengthCap));
85 81
86 // Do not set gamepad parameters for all the gamepad devices that are not 82 // Do not set gamepad parameters for all the gamepad devices that are not
87 // attached. 83 // attached.
88 if (!connected) 84 if (!connected)
89 return; 85 return;
90 86
91 PadState* state = fetcher->GetPadState(index); 87 PadState* state = fetcher->GetPadState(index);
92 88
93 if (!state) 89 if (!state)
94 return; 90 return;
95 91
96 blink::WebGamepad& pad = state->data; 92 Gamepad& pad = state->data;
97 93
98 // Is this the first time we've seen this device? 94 // Is this the first time we've seen this device?
99 if (state->active_state == GAMEPAD_NEWLY_ACTIVE) { 95 if (state->active_state == GAMEPAD_NEWLY_ACTIVE) {
100 // Map the Gamepad DeviceName String to the WebGamepad Id. Ideally it should 96 // Map the Gamepad DeviceName String to the Gamepad Id. Ideally it should
101 // be mapped to vendor and product information but it is only available at 97 // be mapped to vendor and product information but it is only available at
102 // kernel level and it can not be queried using class 98 // kernel level and it can not be queried using class
103 // android.hardware.input.InputManager. 99 // android.hardware.input.InputManager.
104 base::string16 device_name; 100 base::string16 device_name;
105 base::android::ConvertJavaStringToUTF16(env, devicename, &device_name); 101 base::android::ConvertJavaStringToUTF16(env, devicename, &device_name);
106 const size_t name_to_copy = 102 const size_t name_to_copy =
107 std::min(device_name.size(), WebGamepad::kIdLengthCap - 1); 103 std::min(device_name.size(), Gamepad::kIdLengthCap - 1);
108 memcpy(pad.id, device_name.data(), 104 memcpy(pad.id, device_name.data(),
109 name_to_copy * sizeof(base::string16::value_type)); 105 name_to_copy * sizeof(base::string16::value_type));
110 pad.id[name_to_copy] = 0; 106 pad.id[name_to_copy] = 0;
111 107
112 base::string16 mapping_name = base::UTF8ToUTF16(mapping ? "standard" : ""); 108 base::string16 mapping_name = base::UTF8ToUTF16(mapping ? "standard" : "");
113 const size_t mapping_to_copy = 109 const size_t mapping_to_copy =
114 std::min(mapping_name.size(), WebGamepad::kMappingLengthCap - 1); 110 std::min(mapping_name.size(), Gamepad::kMappingLengthCap - 1);
115 memcpy(pad.mapping, mapping_name.data(), 111 memcpy(pad.mapping, mapping_name.data(),
116 mapping_to_copy * sizeof(base::string16::value_type)); 112 mapping_to_copy * sizeof(base::string16::value_type));
117 pad.mapping[mapping_to_copy] = 0; 113 pad.mapping[mapping_to_copy] = 0;
118 } 114 }
119 115
120 pad.connected = true; 116 pad.connected = true;
121 pad.timestamp = timestamp; 117 pad.timestamp = timestamp;
122 118
123 std::vector<float> axes; 119 std::vector<float> axes;
124 base::android::JavaFloatArrayToFloatVector(env, jaxes, &axes); 120 base::android::JavaFloatArrayToFloatVector(env, jaxes, &axes);
125 121
126 // Set WebGamepad axeslength to total number of axes on the gamepad device. 122 // Set Gamepad axeslength to total number of axes on the gamepad device.
127 // Only return the first axesLengthCap if axeslength captured by GamepadList 123 // Only return the first axesLengthCap if axeslength captured by GamepadList
128 // is larger than axesLengthCap. 124 // is larger than axesLengthCap.
129 pad.axes_length = std::min(static_cast<int>(axes.size()), 125 pad.axes_length = std::min(static_cast<int>(axes.size()),
130 static_cast<int>(WebGamepad::kAxesLengthCap)); 126 static_cast<int>(Gamepad::kAxesLengthCap));
131 127
132 // Copy axes state to the WebGamepad axes[]. 128 // Copy axes state to the Gamepad axes[].
133 for (unsigned int i = 0; i < pad.axes_length; i++) { 129 for (unsigned int i = 0; i < pad.axes_length; i++) {
134 pad.axes[i] = static_cast<double>(axes[i]); 130 pad.axes[i] = static_cast<double>(axes[i]);
135 } 131 }
136 132
137 std::vector<float> buttons; 133 std::vector<float> buttons;
138 base::android::JavaFloatArrayToFloatVector(env, jbuttons, &buttons); 134 base::android::JavaFloatArrayToFloatVector(env, jbuttons, &buttons);
139 135
140 // Set WebGamepad buttonslength to total number of axes on the gamepad 136 // Set Gamepad buttonslength to total number of axes on the gamepad
141 // device. Only return the first buttonsLengthCap if axeslength captured by 137 // device. Only return the first buttonsLengthCap if axeslength captured by
142 // GamepadList is larger than buttonsLengthCap. 138 // GamepadList is larger than buttonsLengthCap.
143 pad.buttons_length = 139 pad.buttons_length = std::min(static_cast<int>(buttons.size()),
144 std::min(static_cast<int>(buttons.size()), 140 static_cast<int>(Gamepad::kButtonsLengthCap));
145 static_cast<int>(WebGamepad::kButtonsLengthCap));
146 141
147 // Copy buttons state to the WebGamepad buttons[]. 142 // Copy buttons state to the Gamepad buttons[].
148 for (unsigned int j = 0; j < pad.buttons_length; j++) { 143 for (unsigned int j = 0; j < pad.buttons_length; j++) {
149 pad.buttons[j].pressed = buttons[j]; 144 pad.buttons[j].pressed = buttons[j];
150 pad.buttons[j].value = buttons[j]; 145 pad.buttons[j].value = buttons[j];
151 } 146 }
152 } 147 }
153 148
154 } // namespace device 149 } // namespace device
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