vibrator: Async Callback API Example
Bug: 136220871
Test: VTS Tests
Change-Id: I338f16d72cd7b1ba60ddf812e4cb87a6011de752
Merged-In: I338f16d72cd7b1ba60ddf812e4cb87a6011de752
Signed-off-by: Harpreet \"Eli\" Sangha <eliptus@google.com>
diff --git a/vibrator/1.x/example/Vibrator.h b/vibrator/1.x/example/Vibrator.h
new file mode 100644
index 0000000..ff63431
--- /dev/null
+++ b/vibrator/1.x/example/Vibrator.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+#ifndef ANDROID_HARDWARE_VIBRATOR_V1_x_VIBRATOR_H
+#define ANDROID_HARDWARE_VIBRATOR_V1_x_VIBRATOR_H
+
+#include <android/hardware/vibrator/1.4/IVibrator.h>
+#include <hidl/Status.h>
+
+namespace android {
+namespace hardware {
+namespace vibrator {
+namespace V1_4 {
+namespace implementation {
+
+using android::hardware::vibrator::V1_0::EffectStrength;
+using android::hardware::vibrator::V1_0::Status;
+using android::hardware::vibrator::V1_3::Effect;
+
+class Vibrator : public IVibrator {
+ public:
+ Vibrator();
+
+ // Methods from ::android::hardware::vibrator::V1_0::IVibrator follow.
+ Return<Status> on(uint32_t timeoutMs) override;
+ Return<Status> off() override;
+ Return<bool> supportsAmplitudeControl() override;
+ Return<Status> setAmplitude(uint8_t amplitude) override;
+ Return<void> perform(V1_0::Effect effect, EffectStrength strength,
+ perform_cb _hidl_cb) override;
+
+ // Methods from ::android::hardware::vibrator::V1_1::IVibrator follow.
+ Return<void> perform_1_1(V1_1::Effect_1_1 effect, EffectStrength strength,
+ perform_cb _hidl_cb) override;
+
+ // Methods from ::android::hardware::vibrator::V1_2::IVibrator follow.
+ Return<void> perform_1_2(V1_2::Effect effect, EffectStrength strength,
+ perform_cb _hidl_cb) override;
+
+ // Methods from ::android::hardware::vibrator::V1_3::IVibrator follow.
+ Return<bool> supportsExternalControl() override;
+ Return<Status> setExternalControl(bool enabled) override;
+ Return<void> perform_1_3(V1_3::Effect effect, EffectStrength strength,
+ perform_cb _hidl_cb) override;
+
+ // Methods from ::android::hardware::vibrator::V1_4::IVibrator follow.
+ Return<hidl_bitfield<Capabilities>> getCapabilities() override;
+ Return<Status> on_1_4(uint32_t timeoutMs, const sp<IVibratorCallback>& callback) override;
+ Return<void> perform_1_4(V1_3::Effect effect, EffectStrength strength,
+ const sp<IVibratorCallback>& callback, perform_cb _hidl_cb) override;
+
+ private:
+ Return<void> perform(Effect effect, EffectStrength strength, perform_cb _hidl_cb);
+ template <typename T>
+ Return<void> perform(T effect, EffectStrength strength, perform_cb _hidl_cb);
+ Status enable(bool enabled);
+ Status activate(uint32_t ms);
+ void timeout();
+
+ static void timerCallback(union sigval sigval);
+ static const std::string effectToName(Effect effect);
+ static uint32_t effectToMs(Effect effect, Status* status);
+ static uint8_t strengthToAmplitude(EffectStrength strength, Status* status);
+
+ private:
+ bool mEnabled{false};
+ uint8_t mAmplitude{UINT8_MAX};
+ bool mExternalControl{false};
+ std::mutex mMutex;
+ timer_t mTimer{nullptr};
+ sp<IVibratorCallback> mCallback{nullptr};
+};
+} // namespace implementation
+} // namespace V1_4
+} // namespace vibrator
+} // namespace hardware
+} // namespace android
+
+#endif // ANDROID_HARDWARE_VIBRATOR_V1_x_VIBRATOR_H