1 /*
2 * Copyright (C) 2017 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 #define LOG_TAG "DisplayViewport-JNI"
18
19 #include <nativehelper/JNIHelp.h>
20 #include "core_jni_helpers.h"
21
22 #include <android_hardware_display_DisplayViewport.h>
23 #include <android_runtime/AndroidRuntime.h>
24 #include <android_runtime/Log.h>
25 #include <utils/Log.h>
26
27 #include <nativehelper/ScopedUtfChars.h>
28
29 namespace android {
30
31 // ----------------------------------------------------------------------------
32
33 static struct {
34 jclass clazz;
35
36 jfieldID displayId;
37 jfieldID isActive;
38 jfieldID orientation;
39 jfieldID logicalFrame;
40 jfieldID physicalFrame;
41 jfieldID deviceWidth;
42 jfieldID deviceHeight;
43 jfieldID uniqueId;
44 jfieldID physicalPort;
45 jfieldID type;
46 } gDisplayViewportClassInfo;
47
48 static struct {
49 jfieldID left;
50 jfieldID top;
51 jfieldID right;
52 jfieldID bottom;
53 } gRectClassInfo;
54
55 // ----------------------------------------------------------------------------
56
android_hardware_display_DisplayViewport_toNative(JNIEnv * env,jobject viewportObj,DisplayViewport * viewport)57 status_t android_hardware_display_DisplayViewport_toNative(JNIEnv* env, jobject viewportObj,
58 DisplayViewport* viewport) {
59 static const jclass intClass = FindClassOrDie(env, "java/lang/Integer");
60 static const jmethodID byteValue = env->GetMethodID(intClass, "byteValue", "()B");
61
62 viewport->displayId = env->GetIntField(viewportObj, gDisplayViewportClassInfo.displayId);
63 viewport->isActive = env->GetBooleanField(viewportObj, gDisplayViewportClassInfo.isActive);
64 jint orientation = env->GetIntField(viewportObj, gDisplayViewportClassInfo.orientation);
65 viewport->orientation = static_cast<ui::Rotation>(orientation);
66 viewport->deviceWidth = env->GetIntField(viewportObj, gDisplayViewportClassInfo.deviceWidth);
67 viewport->deviceHeight = env->GetIntField(viewportObj, gDisplayViewportClassInfo.deviceHeight);
68
69 jstring uniqueId =
70 jstring(env->GetObjectField(viewportObj, gDisplayViewportClassInfo.uniqueId));
71 if (uniqueId != nullptr) {
72 viewport->uniqueId = ScopedUtfChars(env, uniqueId).c_str();
73 }
74
75 viewport->physicalPort = std::nullopt;
76 jobject physicalPort = env->GetObjectField(viewportObj, gDisplayViewportClassInfo.physicalPort);
77 if (physicalPort != nullptr) {
78 viewport->physicalPort = std::make_optional(env->CallByteMethod(physicalPort, byteValue));
79 }
80
81 viewport->type = static_cast<ViewportType>(env->GetIntField(viewportObj,
82 gDisplayViewportClassInfo.type));
83
84 jobject logicalFrameObj =
85 env->GetObjectField(viewportObj, gDisplayViewportClassInfo.logicalFrame);
86 viewport->logicalLeft = env->GetIntField(logicalFrameObj, gRectClassInfo.left);
87 viewport->logicalTop = env->GetIntField(logicalFrameObj, gRectClassInfo.top);
88 viewport->logicalRight = env->GetIntField(logicalFrameObj, gRectClassInfo.right);
89 viewport->logicalBottom = env->GetIntField(logicalFrameObj, gRectClassInfo.bottom);
90
91 jobject physicalFrameObj =
92 env->GetObjectField(viewportObj, gDisplayViewportClassInfo.physicalFrame);
93 viewport->physicalLeft = env->GetIntField(physicalFrameObj, gRectClassInfo.left);
94 viewport->physicalTop = env->GetIntField(physicalFrameObj, gRectClassInfo.top);
95 viewport->physicalRight = env->GetIntField(physicalFrameObj, gRectClassInfo.right);
96 viewport->physicalBottom = env->GetIntField(physicalFrameObj, gRectClassInfo.bottom);
97
98 return OK;
99 }
100
101 // ----------------------------------------------------------------------------
102
register_android_hardware_display_DisplayViewport(JNIEnv * env)103 int register_android_hardware_display_DisplayViewport(JNIEnv* env) {
104 jclass clazz = FindClassOrDie(env, "android/hardware/display/DisplayViewport");
105 gDisplayViewportClassInfo.clazz = MakeGlobalRefOrDie(env, clazz);
106
107 gDisplayViewportClassInfo.displayId = GetFieldIDOrDie(env,
108 gDisplayViewportClassInfo.clazz, "displayId", "I");
109
110 gDisplayViewportClassInfo.isActive =
111 GetFieldIDOrDie(env, gDisplayViewportClassInfo.clazz, "isActive", "Z");
112
113 gDisplayViewportClassInfo.orientation = GetFieldIDOrDie(env,
114 gDisplayViewportClassInfo.clazz, "orientation", "I");
115
116 gDisplayViewportClassInfo.deviceWidth = GetFieldIDOrDie(env,
117 gDisplayViewportClassInfo.clazz, "deviceWidth", "I");
118
119 gDisplayViewportClassInfo.deviceHeight = GetFieldIDOrDie(env,
120 gDisplayViewportClassInfo.clazz, "deviceHeight", "I");
121
122 gDisplayViewportClassInfo.logicalFrame = GetFieldIDOrDie(env,
123 gDisplayViewportClassInfo.clazz, "logicalFrame", "Landroid/graphics/Rect;");
124
125 gDisplayViewportClassInfo.physicalFrame = GetFieldIDOrDie(env,
126 gDisplayViewportClassInfo.clazz, "physicalFrame", "Landroid/graphics/Rect;");
127
128 gDisplayViewportClassInfo.uniqueId = GetFieldIDOrDie(env,
129 gDisplayViewportClassInfo.clazz, "uniqueId", "Ljava/lang/String;");
130
131 gDisplayViewportClassInfo.physicalPort = GetFieldIDOrDie(env, gDisplayViewportClassInfo.clazz,
132 "physicalPort", "Ljava/lang/Integer;");
133
134 gDisplayViewportClassInfo.type = GetFieldIDOrDie(env,
135 gDisplayViewportClassInfo.clazz, "type", "I");
136
137 clazz = FindClassOrDie(env, "android/graphics/Rect");
138 gRectClassInfo.left = GetFieldIDOrDie(env, clazz, "left", "I");
139 gRectClassInfo.top = GetFieldIDOrDie(env, clazz, "top", "I");
140 gRectClassInfo.right = GetFieldIDOrDie(env, clazz, "right", "I");
141 gRectClassInfo.bottom = GetFieldIDOrDie(env, clazz, "bottom", "I");
142
143 return 0;
144 }
145
146 } // namespace android
147