Snap for 7803083 from 38afbfd13622e10b8e74b9c114fa05f30ba480bb to mainline-tzdata2-release

Change-Id: Ic05c46aa04f9072b3dc93e023a17408956f14474

1 files changed, 133 insertions, 0 deletions

diff --git a/services/inputflinger/VibrationElement.cpp b/services/inputflinger/VibrationElement.cpp
new file mode 100644
index 0000000000..17e1ad4d15
--- /dev/null
+++ b/services/inputflinger/VibrationElement.cpp
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "VibrationElement.h"
+
+#include <android-base/stringprintf.h>
+
+#include <algorithm>
+#include <cinttypes>
+
+using android::base::StringPrintf;
+
+namespace android {
+// VibrationElement implementations
+VibrationElement::VibrationElement(size_t channelNum) {
+    channels.reserve(channelNum);
+}
+
+VibrationElement::VibrationElement(const VibrationElement& other) {
+    duration = other.duration;
+    channels.resize(other.channels.size());
+    for (size_t i = 0; i < other.channels.size(); i++) {
+        channels[i].first = other.channels[i].first;
+        channels[i].second = other.channels[i].second;
+    }
+}
+
+const std::string VibrationElement::toString() const {
+    std::string dump;
+    dump += StringPrintf("[duration=%lldms, channels=[", duration.count());
+
+    for (auto it = channels.begin(); it != channels.end(); ++it) {
+        dump += std::to_string(it->first);
+        dump += " : ";
+        dump += std::to_string(it->second);
+        if (std::next(it) != channels.end()) {
+            dump += ", ";
+        }
+    }
+
+    dump += "]]";
+    return dump;
+}
+
+uint16_t VibrationElement::getMagnitude(int32_t vibratorId) const {
+    auto it =
+            std::find_if(channels.begin(), channels.end(),
+                         [vibratorId](const std::pair<int32_t /*vibratorId*/, uint8_t /*amplitude*/>
+                                              pair) { return pair.first == vibratorId; });
+    if (it == channels.end()) {
+        return 0;
+    }
+    // convert range [0,255] to [0,65535] (android framework to linux ff ranges)
+    return static_cast<uint16_t>(it->second) << 8;
+}
+
+bool VibrationElement::isOn() const {
+    return std::any_of(channels.begin(), channels.end(),
+                       [](const auto& channel) { return channel.second != 0; });
+}
+
+void VibrationElement::addChannel(int32_t vibratorId, uint8_t amplitude) {
+    channels.push_back(std::make_pair(vibratorId, amplitude));
+}
+
+bool VibrationElement::operator==(const VibrationElement& other) const {
+    if (duration != other.duration || channels.size() != other.channels.size()) {
+        return false;
+    }
+    for (size_t i = 0; i < CHANNEL_SIZE; i++) {
+        if (channels[i] != other.channels[i]) {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool VibrationElement::operator!=(const VibrationElement& other) const {
+    return !(*this == other);
+}
+
+// VibrationSequence implementations
+VibrationSequence::VibrationSequence(size_t length) {
+    pattern.reserve(length);
+}
+
+void VibrationSequence::operator=(const VibrationSequence& other) {
+    pattern = other.pattern;
+}
+
+bool VibrationSequence::operator==(const VibrationSequence& other) const {
+    if (pattern.size() != other.pattern.size()) {
+        return false;
+    }
+    for (size_t i = 0; i < pattern.size(); i++) {
+        if (pattern[i] != other.pattern[i]) {
+            return false;
+        }
+    }
+    return true;
+}
+
+void VibrationSequence::addElement(VibrationElement element) {
+    pattern.push_back(element);
+}
+
+const std::string VibrationSequence::toString() const {
+    std::string dump;
+    dump += "[";
+
+    for (const auto& element : pattern) {
+        dump += element.toString();
+        dump += " ";
+    }
+
+    dump += "]";
+    return dump;
+}
+
+} // namespace android