/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "DisplayViewport-JNI"
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#include <nativehelper/JNIHelp.h>
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#include "core_jni_helpers.h"
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#include <android_hardware_display_DisplayViewport.h>
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#include <android_runtime/AndroidRuntime.h>
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#include <android_runtime/Log.h>
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#include <utils/Log.h>
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#include <nativehelper/ScopedUtfChars.h>
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namespace android {
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// ----------------------------------------------------------------------------
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static struct {
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jclass clazz;
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jfieldID displayId;
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jfieldID orientation;
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jfieldID logicalFrame;
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jfieldID physicalFrame;
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jfieldID deviceWidth;
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jfieldID deviceHeight;
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jfieldID uniqueId;
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jfieldID physicalPort;
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jfieldID type;
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} gDisplayViewportClassInfo;
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static struct {
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jfieldID left;
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jfieldID top;
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jfieldID right;
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jfieldID bottom;
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} gRectClassInfo;
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// ----------------------------------------------------------------------------
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status_t android_hardware_display_DisplayViewport_toNative(JNIEnv* env, jobject viewportObj,
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DisplayViewport* viewport) {
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static const jclass byteClass = FindClassOrDie(env, "java/lang/Byte");
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static const jmethodID byteValue = env->GetMethodID(byteClass, "byteValue", "()B");
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viewport->displayId = env->GetIntField(viewportObj, gDisplayViewportClassInfo.displayId);
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viewport->orientation = env->GetIntField(viewportObj, gDisplayViewportClassInfo.orientation);
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viewport->deviceWidth = env->GetIntField(viewportObj, gDisplayViewportClassInfo.deviceWidth);
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viewport->deviceHeight = env->GetIntField(viewportObj, gDisplayViewportClassInfo.deviceHeight);
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jstring uniqueId =
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jstring(env->GetObjectField(viewportObj, gDisplayViewportClassInfo.uniqueId));
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if (uniqueId != nullptr) {
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viewport->uniqueId = ScopedUtfChars(env, uniqueId).c_str();
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}
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viewport->physicalPort = std::nullopt;
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jobject physicalPort = env->GetObjectField(viewportObj, gDisplayViewportClassInfo.physicalPort);
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if (physicalPort != nullptr) {
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viewport->physicalPort = std::make_optional(env->CallByteMethod(physicalPort, byteValue));
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}
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viewport->type = static_cast<ViewportType>(env->GetIntField(viewportObj,
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gDisplayViewportClassInfo.type));
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jobject logicalFrameObj =
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env->GetObjectField(viewportObj, gDisplayViewportClassInfo.logicalFrame);
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viewport->logicalLeft = env->GetIntField(logicalFrameObj, gRectClassInfo.left);
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viewport->logicalTop = env->GetIntField(logicalFrameObj, gRectClassInfo.top);
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viewport->logicalRight = env->GetIntField(logicalFrameObj, gRectClassInfo.right);
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viewport->logicalBottom = env->GetIntField(logicalFrameObj, gRectClassInfo.bottom);
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jobject physicalFrameObj =
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env->GetObjectField(viewportObj, gDisplayViewportClassInfo.physicalFrame);
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viewport->physicalLeft = env->GetIntField(physicalFrameObj, gRectClassInfo.left);
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viewport->physicalTop = env->GetIntField(physicalFrameObj, gRectClassInfo.top);
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viewport->physicalRight = env->GetIntField(physicalFrameObj, gRectClassInfo.right);
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viewport->physicalBottom = env->GetIntField(physicalFrameObj, gRectClassInfo.bottom);
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return OK;
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}
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// ----------------------------------------------------------------------------
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int register_android_hardware_display_DisplayViewport(JNIEnv* env) {
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jclass clazz = FindClassOrDie(env, "android/hardware/display/DisplayViewport");
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gDisplayViewportClassInfo.clazz = MakeGlobalRefOrDie(env, clazz);
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gDisplayViewportClassInfo.displayId = GetFieldIDOrDie(env,
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gDisplayViewportClassInfo.clazz, "displayId", "I");
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gDisplayViewportClassInfo.orientation = GetFieldIDOrDie(env,
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gDisplayViewportClassInfo.clazz, "orientation", "I");
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gDisplayViewportClassInfo.deviceWidth = GetFieldIDOrDie(env,
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gDisplayViewportClassInfo.clazz, "deviceWidth", "I");
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gDisplayViewportClassInfo.deviceHeight = GetFieldIDOrDie(env,
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gDisplayViewportClassInfo.clazz, "deviceHeight", "I");
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gDisplayViewportClassInfo.logicalFrame = GetFieldIDOrDie(env,
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gDisplayViewportClassInfo.clazz, "logicalFrame", "Landroid/graphics/Rect;");
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gDisplayViewportClassInfo.physicalFrame = GetFieldIDOrDie(env,
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gDisplayViewportClassInfo.clazz, "physicalFrame", "Landroid/graphics/Rect;");
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gDisplayViewportClassInfo.uniqueId = GetFieldIDOrDie(env,
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gDisplayViewportClassInfo.clazz, "uniqueId", "Ljava/lang/String;");
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gDisplayViewportClassInfo.physicalPort = GetFieldIDOrDie(env,
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gDisplayViewportClassInfo.clazz, "physicalPort", "Ljava/lang/Byte;");
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gDisplayViewportClassInfo.type = GetFieldIDOrDie(env,
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gDisplayViewportClassInfo.clazz, "type", "I");
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clazz = FindClassOrDie(env, "android/graphics/Rect");
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gRectClassInfo.left = GetFieldIDOrDie(env, clazz, "left", "I");
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gRectClassInfo.top = GetFieldIDOrDie(env, clazz, "top", "I");
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gRectClassInfo.right = GetFieldIDOrDie(env, clazz, "right", "I");
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gRectClassInfo.bottom = GetFieldIDOrDie(env, clazz, "bottom", "I");
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return 0;
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}
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} // namespace android
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