/*
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* Copyright (C) 2018 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 "InputReaderBase"
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//#define LOG_NDEBUG 0
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#include "InputReaderBase.h"
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#include <android/log.h>
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#include <android-base/stringprintf.h>
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#define INDENT " "
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#define INDENT2 " "
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#define INDENT3 " "
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#define INDENT4 " "
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#define INDENT5 " "
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using android::base::StringPrintf;
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namespace android {
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// --- InputReaderThread ---
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InputReaderThread::InputReaderThread(const sp<InputReaderInterface>& reader) :
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Thread(/*canCallJava*/ true), mReader(reader) {
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}
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InputReaderThread::~InputReaderThread() {
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}
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bool InputReaderThread::threadLoop() {
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mReader->loopOnce();
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return true;
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}
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// --- InputReaderConfiguration ---
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std::optional<DisplayViewport> InputReaderConfiguration::getDisplayViewportByUniqueId(
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const std::string& uniqueDisplayId) const {
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if (uniqueDisplayId.empty()) {
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ALOGE("Empty string provided to %s", __func__);
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return std::nullopt;
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}
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size_t count = 0;
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std::optional<DisplayViewport> result = std::nullopt;
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for (const DisplayViewport& currentViewport : mDisplays) {
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if (uniqueDisplayId == currentViewport.uniqueId) {
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result = std::make_optional(currentViewport);
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count++;
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}
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}
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if (count > 1) {
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ALOGE("Found %zu viewports with uniqueId %s, but expected 1 at most",
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count, uniqueDisplayId.c_str());
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}
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return result;
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}
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std::optional<DisplayViewport> InputReaderConfiguration::getDisplayViewportByType(ViewportType type)
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const {
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size_t count = 0;
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std::optional<DisplayViewport> result = std::nullopt;
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for (const DisplayViewport& currentViewport : mDisplays) {
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// Return the first match
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if (currentViewport.type == type && !result) {
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result = std::make_optional(currentViewport);
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count++;
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}
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}
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if (count > 1) {
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ALOGE("Found %zu viewports with type %s, but expected 1 at most",
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count, viewportTypeToString(type));
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}
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return result;
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}
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std::optional<DisplayViewport> InputReaderConfiguration::getDisplayViewportByPort(
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uint8_t displayPort) const {
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for (const DisplayViewport& currentViewport : mDisplays) {
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const std::optional<uint8_t>& physicalPort = currentViewport.physicalPort;
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if (physicalPort && (*physicalPort == displayPort)) {
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return std::make_optional(currentViewport);
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}
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}
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return std::nullopt;
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}
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void InputReaderConfiguration::setDisplayViewports(const std::vector<DisplayViewport>& viewports) {
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mDisplays = viewports;
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}
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void InputReaderConfiguration::dump(std::string& dump) const {
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for (const DisplayViewport& viewport : mDisplays) {
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dumpViewport(dump, viewport);
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}
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}
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void InputReaderConfiguration::dumpViewport(std::string& dump, const DisplayViewport& viewport)
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const {
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dump += StringPrintf(INDENT4 "%s\n", viewport.toString().c_str());
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}
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// -- TouchAffineTransformation --
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void TouchAffineTransformation::applyTo(float& x, float& y) const {
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float newX, newY;
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newX = x * x_scale + y * x_ymix + x_offset;
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newY = x * y_xmix + y * y_scale + y_offset;
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x = newX;
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y = newY;
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}
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} // namespace android
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