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 "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 <ScopedUtfChars.h>
28
29namespace android {
30
31// ----------------------------------------------------------------------------
32
33static struct {
34    jclass clazz;
35
36    jfieldID displayId;
37    jfieldID orientation;
38    jfieldID logicalFrame;
39    jfieldID physicalFrame;
40    jfieldID deviceWidth;
41    jfieldID deviceHeight;
42    jfieldID uniqueId;
43} gDisplayViewportClassInfo;
44
45static struct {
46    jfieldID left;
47    jfieldID top;
48    jfieldID right;
49    jfieldID bottom;
50} gRectClassInfo;
51
52// ----------------------------------------------------------------------------
53
54status_t android_hardware_display_DisplayViewport_toNative(JNIEnv* env, jobject viewportObj,
55        DisplayViewport* viewport) {
56    viewport->displayId = env->GetIntField(viewportObj, gDisplayViewportClassInfo.displayId);
57    viewport->orientation = env->GetIntField(viewportObj, gDisplayViewportClassInfo.orientation);
58    viewport->deviceWidth = env->GetIntField(viewportObj, gDisplayViewportClassInfo.deviceWidth);
59    viewport->deviceHeight = env->GetIntField(viewportObj, gDisplayViewportClassInfo.deviceHeight);
60
61    jstring uniqueId =
62            jstring(env->GetObjectField(viewportObj, gDisplayViewportClassInfo.uniqueId));
63    if (uniqueId != nullptr) {
64        viewport->uniqueId.setTo(ScopedUtfChars(env, uniqueId).c_str());
65    }
66
67    jobject logicalFrameObj =
68            env->GetObjectField(viewportObj, gDisplayViewportClassInfo.logicalFrame);
69    viewport->logicalLeft = env->GetIntField(logicalFrameObj, gRectClassInfo.left);
70    viewport->logicalTop = env->GetIntField(logicalFrameObj, gRectClassInfo.top);
71    viewport->logicalRight = env->GetIntField(logicalFrameObj, gRectClassInfo.right);
72    viewport->logicalBottom = env->GetIntField(logicalFrameObj, gRectClassInfo.bottom);
73
74    jobject physicalFrameObj =
75            env->GetObjectField(viewportObj, gDisplayViewportClassInfo.physicalFrame);
76    viewport->physicalLeft = env->GetIntField(physicalFrameObj, gRectClassInfo.left);
77    viewport->physicalTop = env->GetIntField(physicalFrameObj, gRectClassInfo.top);
78    viewport->physicalRight = env->GetIntField(physicalFrameObj, gRectClassInfo.right);
79    viewport->physicalBottom = env->GetIntField(physicalFrameObj, gRectClassInfo.bottom);
80
81    return OK;
82}
83
84// ----------------------------------------------------------------------------
85
86int register_android_hardware_display_DisplayViewport(JNIEnv* env) {
87    jclass clazz = FindClassOrDie(env, "android/hardware/display/DisplayViewport");
88    gDisplayViewportClassInfo.clazz = MakeGlobalRefOrDie(env, clazz);
89
90    gDisplayViewportClassInfo.displayId = GetFieldIDOrDie(env,
91            gDisplayViewportClassInfo.clazz, "displayId", "I");
92
93    gDisplayViewportClassInfo.orientation = GetFieldIDOrDie(env,
94            gDisplayViewportClassInfo.clazz, "orientation", "I");
95
96    gDisplayViewportClassInfo.deviceWidth = GetFieldIDOrDie(env,
97            gDisplayViewportClassInfo.clazz, "deviceWidth", "I");
98
99    gDisplayViewportClassInfo.deviceHeight = GetFieldIDOrDie(env,
100            gDisplayViewportClassInfo.clazz, "deviceHeight", "I");
101
102    gDisplayViewportClassInfo.logicalFrame = GetFieldIDOrDie(env,
103            gDisplayViewportClassInfo.clazz, "logicalFrame", "Landroid/graphics/Rect;");
104
105    gDisplayViewportClassInfo.physicalFrame = GetFieldIDOrDie(env,
106            gDisplayViewportClassInfo.clazz, "physicalFrame", "Landroid/graphics/Rect;");
107
108    gDisplayViewportClassInfo.uniqueId = GetFieldIDOrDie(env,
109            gDisplayViewportClassInfo.clazz, "uniqueId", "Ljava/lang/String;");
110
111    clazz = FindClassOrDie(env, "android/graphics/Rect");
112    gRectClassInfo.left = GetFieldIDOrDie(env, clazz, "left", "I");
113    gRectClassInfo.top = GetFieldIDOrDie(env, clazz, "top", "I");
114    gRectClassInfo.right = GetFieldIDOrDie(env, clazz, "right", "I");
115    gRectClassInfo.bottom = GetFieldIDOrDie(env, clazz, "bottom", "I");
116
117    return 0;
118}
119
120} // namespace android
121