Merge changes from topic "migrate-sc-bt" into sc-v2-dev-plus-aosp

* changes:
  Migrating BT files into packages/modules/Bluetooth
  Merge history of Bluetooth API from frameworks/base

1 files changed, 208 insertions, 0 deletions

diff --git a/framework/java/android/bluetooth/BluetoothCodecStatus.java b/framework/java/android/bluetooth/BluetoothCodecStatus.java
new file mode 100644
index 0000000000..02606feb3b
--- /dev/null
+++ b/framework/java/android/bluetooth/BluetoothCodecStatus.java
@@ -0,0 +1,208 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+package android.bluetooth;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+
+/**
+ * Represents the codec status (configuration and capability) for a Bluetooth
+ * A2DP source device.
+ *
+ * {@see BluetoothA2dp}
+ */
+public final class BluetoothCodecStatus implements Parcelable {
+    /**
+     * Extra for the codec configuration intents of the individual profiles.
+     *
+     * This extra represents the current codec status of the A2DP
+     * profile.
+     */
+    public static final String EXTRA_CODEC_STATUS =
+            "android.bluetooth.extra.CODEC_STATUS";
+
+    private final @Nullable BluetoothCodecConfig mCodecConfig;
+    private final @Nullable List<BluetoothCodecConfig> mCodecsLocalCapabilities;
+    private final @Nullable List<BluetoothCodecConfig> mCodecsSelectableCapabilities;
+
+    public BluetoothCodecStatus(@Nullable BluetoothCodecConfig codecConfig,
+            @Nullable List<BluetoothCodecConfig> codecsLocalCapabilities,
+            @Nullable List<BluetoothCodecConfig> codecsSelectableCapabilities) {
+        mCodecConfig = codecConfig;
+        mCodecsLocalCapabilities = codecsLocalCapabilities;
+        mCodecsSelectableCapabilities = codecsSelectableCapabilities;
+    }
+
+    private BluetoothCodecStatus(Parcel in) {
+        mCodecConfig = in.readTypedObject(BluetoothCodecConfig.CREATOR);
+        mCodecsLocalCapabilities = in.createTypedArrayList(BluetoothCodecConfig.CREATOR);
+        mCodecsSelectableCapabilities = in.createTypedArrayList(BluetoothCodecConfig.CREATOR);
+    }
+
+    @Override
+    public boolean equals(@Nullable Object o) {
+        if (o instanceof BluetoothCodecStatus) {
+            BluetoothCodecStatus other = (BluetoothCodecStatus) o;
+            return (Objects.equals(other.mCodecConfig, mCodecConfig)
+                    && sameCapabilities(other.mCodecsLocalCapabilities, mCodecsLocalCapabilities)
+                    && sameCapabilities(other.mCodecsSelectableCapabilities,
+                    mCodecsSelectableCapabilities));
+        }
+        return false;
+    }
+
+    /**
+     * Checks whether two lists of capabilities contain same capabilities.
+     * The order of the capabilities in each list is ignored.
+     *
+     * @param c1 the first list of capabilities to compare
+     * @param c2 the second list of capabilities to compare
+     * @return {@code true} if both lists contain same capabilities
+     */
+    private static boolean sameCapabilities(@Nullable List<BluetoothCodecConfig> c1,
+                                           @Nullable List<BluetoothCodecConfig> c2) {
+        if (c1 == null) {
+            return (c2 == null);
+        }
+        if (c2 == null) {
+            return false;
+        }
+        if (c1.size() != c2.size()) {
+            return false;
+        }
+        return c1.containsAll(c2);
+    }
+
+    /**
+     * Checks whether the codec config matches the selectable capabilities.
+     * Any parameters of the codec config with NONE value will be considered a wildcard matching.
+     *
+     * @param codecConfig the codec config to compare against
+     * @return {@code true} if the codec config matches, {@code false} otherwise
+     */
+    public boolean isCodecConfigSelectable(@Nullable BluetoothCodecConfig codecConfig) {
+        if (codecConfig == null || !codecConfig.hasSingleSampleRate()
+                || !codecConfig.hasSingleBitsPerSample() || !codecConfig.hasSingleChannelMode()) {
+            return false;
+        }
+        for (BluetoothCodecConfig selectableConfig : mCodecsSelectableCapabilities) {
+            if (codecConfig.getCodecType() != selectableConfig.getCodecType()) {
+                continue;
+            }
+            int sampleRate = codecConfig.getSampleRate();
+            if ((sampleRate & selectableConfig.getSampleRate()) == 0
+                    && sampleRate != BluetoothCodecConfig.SAMPLE_RATE_NONE) {
+                continue;
+            }
+            int bitsPerSample = codecConfig.getBitsPerSample();
+            if ((bitsPerSample & selectableConfig.getBitsPerSample()) == 0
+                    && bitsPerSample != BluetoothCodecConfig.BITS_PER_SAMPLE_NONE) {
+                continue;
+            }
+            int channelMode = codecConfig.getChannelMode();
+            if ((channelMode & selectableConfig.getChannelMode()) == 0
+                    && channelMode != BluetoothCodecConfig.CHANNEL_MODE_NONE) {
+                continue;
+            }
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Returns a hash based on the codec config and local capabilities.
+     */
+    @Override
+    public int hashCode() {
+        return Objects.hash(mCodecConfig, mCodecsLocalCapabilities,
+                mCodecsLocalCapabilities);
+    }
+
+    /**
+     * Returns a {@link String} that describes each BluetoothCodecStatus parameter
+     * current value.
+     */
+    @Override
+    public String toString() {
+        return "{mCodecConfig:" + mCodecConfig
+                + ",mCodecsLocalCapabilities:" + mCodecsLocalCapabilities
+                + ",mCodecsSelectableCapabilities:" + mCodecsSelectableCapabilities
+                + "}";
+    }
+
+    /**
+     * @return 0
+     * @hide
+     */
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    public static final @android.annotation.NonNull Parcelable.Creator<BluetoothCodecStatus> CREATOR =
+            new Parcelable.Creator<BluetoothCodecStatus>() {
+                public BluetoothCodecStatus createFromParcel(Parcel in) {
+                    return new BluetoothCodecStatus(in);
+                }
+
+                public BluetoothCodecStatus[] newArray(int size) {
+                    return new BluetoothCodecStatus[size];
+                }
+            };
+
+    /**
+     * Flattens the object to a parcel.
+     *
+     * @param out The Parcel in which the object should be written
+     * @param flags Additional flags about how the object should be written
+     */
+    @Override
+    public void writeToParcel(@NonNull Parcel out, int flags) {
+        out.writeTypedObject(mCodecConfig, 0);
+        out.writeTypedList(mCodecsLocalCapabilities);
+        out.writeTypedList(mCodecsSelectableCapabilities);
+    }
+
+    /**
+     * Returns the current codec configuration.
+     */
+    public @Nullable BluetoothCodecConfig getCodecConfig() {
+        return mCodecConfig;
+    }
+
+    /**
+     * Returns the codecs local capabilities.
+     */
+    public @NonNull List<BluetoothCodecConfig> getCodecsLocalCapabilities() {
+        return (mCodecsLocalCapabilities == null)
+                ? Collections.emptyList() : mCodecsLocalCapabilities;
+    }
+
+    /**
+     * Returns the codecs selectable capabilities.
+     */
+    public @NonNull List<BluetoothCodecConfig> getCodecsSelectableCapabilities() {
+        return (mCodecsSelectableCapabilities == null)
+                ? Collections.emptyList() : mCodecsSelectableCapabilities;
+    }
+}