OLD | NEW |
---|---|
(Empty) | |
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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "content/browser/android/gamepad_reader_impl.h" | |
6 | |
7 #include "base/android/jni_android.h" | |
8 #include "base/android/jni_string.h" | |
9 #include "base/strings/string_number_conversions.h" | |
10 #include "base/strings/string_util.h" | |
11 #include "base/strings/utf_string_conversions.h" | |
12 | |
13 #include "jni/GamepadList_jni.h" | |
14 | |
15 using base::android::AttachCurrentThread; | |
16 using base::android::CheckException; | |
17 using base::android::ClearException; | |
18 using base::android::ConvertJavaStringToUTF8; | |
19 using base::android::ScopedJavaLocalRef; | |
20 using blink::WebGamepad; | |
21 using blink::WebGamepads; | |
22 | |
23 namespace content { | |
24 | |
25 bool GamepadsReader::RegisterGamepadsReader(JNIEnv* env) { | |
26 return RegisterNativesImpl(env); | |
27 } | |
28 | |
29 GamepadsReader::GamepadsReader() { | |
30 JNIEnv* env = AttachCurrentThread(); | |
31 CreateJavaObject(env); | |
32 } | |
33 | |
34 GamepadsReader::~GamepadsReader() { CHECK(java_gamepadList_object_.is_null()); } | |
35 | |
36 GamepadsReader* GamepadsReader::GetInstance() { | |
37 return Singleton<GamepadsReader>::get(); | |
38 } | |
39 | |
40 void GamepadsReader::GetGamepadData(blink::WebGamepads* pads) { | |
41 JNIEnv* env = AttachCurrentThread(); | |
42 if (!env) | |
43 return; | |
44 | |
45 gamepads_data_ = pads; | |
46 Java_GamepadList_getGamepadData(env, java_gamepadList_object_.obj()); | |
47 } | |
48 | |
49 void GamepadsReader::UpdateDeviceCount(JNIEnv* env, | |
50 jobject obj, | |
51 int devicecount) { | |
52 gamepads_data_->length = devicecount; | |
kbalazs
2014/02/20 00:48:24
I don't think we need this, other platforms just i
| |
53 } | |
54 | |
55 void GamepadsReader::SetGamepadData(JNIEnv* env, | |
56 jobject obj, | |
57 int index, | |
58 bool connected, | |
59 jstring devicename, | |
60 int64 timestamp, | |
61 jfloatArray jaxes, | |
62 jfloatArray jbuttons) { | |
63 | |
64 blink::WebGamepad& pad = gamepads_data_->items[index]; | |
65 pad.connected = connected; | |
66 | |
67 pad.timestamp = timestamp; | |
68 | |
69 // Do not set gamepad parameters for all the gamepad devices that are not | |
70 // attached. | |
71 if (!connected) | |
72 return; | |
73 | |
74 // Map the Gamepad DeviceName String to the WebGamepad Id and then convert | |
75 // the utf-8 id string to WebUChar. Ideally it should be mapped to vendor and | |
76 // product information but it is only available at kernel level and it can | |
77 // not be queried using class android.hardware.input.InputManager. | |
78 | |
79 std::string device_name = | |
80 base::android::ConvertJavaStringToUTF8(env, devicename); | |
81 base::TruncateUTF8ToByteSize( | |
82 device_name, blink::WebGamepad::idLengthCap - 1, &device_name); | |
83 base::string16 tmp16 = base::UTF8ToUTF16(device_name); | |
kbalazs
2014/02/20 00:48:24
Can we get rid of converting back and forth (utf16
| |
84 memset(pad.id, 0, sizeof(pad.id)); | |
85 tmp16.copy(pad.id, arraysize(pad.id) - 1); | |
86 | |
87 pad.timestamp = timestamp; | |
88 | |
89 // Set WebGamepad axeslength to total number of axes on the gamepad device. | |
90 // Only return the first axesLengthCap if axeslength captured by GamepadList | |
91 // is larger than axesLengthCap. | |
92 | |
93 std::vector<float> axes; | |
94 base::android::JavaFloatArrayToFloatVector(env, jaxes, &axes); | |
95 pad.axesLength = (axes.size() > WebGamepad::axesLengthCap) | |
96 ? WebGamepad::axesLengthCap | |
97 : axes.size(); | |
98 | |
99 // Copy axes state to the WebGamepad axes[]. | |
100 for (unsigned int j = 0; j < pad.axesLength; j++) | |
kbalazs
2014/02/20 00:48:24
This can also be done with only one copy instead o
| |
101 pad.axes[j] = axes[j]; | |
102 | |
103 // Set WebGamepad buttonslength to total number of axes on the gamepad | |
104 // device. Only return the first buttonsLengthCap if axeslength captured by | |
105 // GamepadList is larger than buttonsLengthCap. | |
106 | |
107 std::vector<float> buttons; | |
108 base::android::JavaFloatArrayToFloatVector(env, jbuttons, &buttons); | |
kbalazs
2014/02/20 00:48:24
Ditto.
| |
109 pad.buttonsLength = (buttons.size() > WebGamepad::buttonsLengthCap) | |
110 ? WebGamepad::buttonsLengthCap | |
111 : buttons.size(); | |
112 | |
113 // Copy buttons state to the WebGamepad buttons[]. | |
114 for (unsigned int j = 0; j < pad.buttonsLength; j++) | |
115 pad.buttons[j] = buttons[j]; | |
116 } | |
117 | |
118 void GamepadsReader::NotifyForGamepadsAccess(bool isaccesspaused) { | |
kbalazs
2014/02/20 00:48:24
is_access_paused? Or just access_paused?
| |
119 JNIEnv* env = AttachCurrentThread(); | |
120 if (!env) | |
121 return; | |
122 | |
123 CHECK(!java_gamepadList_object_.is_null()); | |
124 Java_GamepadList_notifyForGamepadsAccess( | |
125 env, java_gamepadList_object_.obj(), isaccesspaused); | |
126 } | |
127 | |
128 void GamepadsReader::CreateJavaObject(JNIEnv* env) { | |
129 // Create the Java GamepadsReader object and attach it with GamepadList | |
130 // object. | |
131 java_gamepadList_object_.Reset( | |
132 Java_GamepadList_getInstance(env, reinterpret_cast<intptr_t>(this))); | |
133 CHECK(!java_gamepadList_object_.is_null()); | |
134 } | |
135 | |
136 } // namespace content | |
OLD | NEW |