Support for Cordova media api.

1 files changed, 104 insertions, 0 deletions

diff --git a/kvision-modules/kvision-cordova/src/main/kotlin/pl/treksoft/kvision/cordova/Media.kt b/kvision-modules/kvision-cordova/src/main/kotlin/pl/treksoft/kvision/cordova/Media.kt
new file mode 100644
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+++ b/kvision-modules/kvision-cordova/src/main/kotlin/pl/treksoft/kvision/cordova/Media.kt
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2017-present Robert Jaros
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package pl.treksoft.kvision.cordova
+
+import kotlin.coroutines.resume
+import kotlin.coroutines.suspendCoroutine
+
+/**
+ * Media error class.
+ */
+external class MediaError {
+    val code: Int
+    val message: String
+
+    companion object {
+        val MEDIA_ERR_ABORTED: Int
+        val MEDIA_ERR_NETWORK: Int
+        val MEDIA_ERR_DECODE: Int
+        val MEDIA_ERR_NONE_SUPPORTED: Int
+    }
+}
+
+/**
+ * Cordova media class.
+ */
+external class Media(
+    src: String,
+    mediaSuccess: (() -> Unit)? = definedExternally,
+    mediaError: ((MediaError) -> Unit)? = definedExternally,
+    mediaStatus: ((Int) -> Unit)? = definedExternally
+) {
+
+    fun play()
+    fun pause()
+    fun stop()
+    fun startRecord()
+    fun pauseRecord()
+    fun resumeRecord()
+    fun stopRecord()
+    fun seekTo(millis: Number)
+    fun setRate(rate: Number)
+    fun setVolume(volume: Number)
+    fun getDuration(): Number
+    fun getCurrentAmplitude(mediaSuccess: (Number) -> Unit, mediaError: ((Int) -> Unit)? = definedExternally)
+    fun getCurrentPosition(mediaSuccess: (Number) -> Unit, mediaError: ((Int) -> Unit)? = definedExternally)
+    fun release()
+
+    val position: Number
+    val duration: Number
+
+    companion object {
+        val MEDIA_NONE: Int
+        val MEDIA_STARTING: Int
+        val MEDIA_RUNNING: Int
+        val MEDIA_PAUSED: Int
+        val MEDIA_STOPPED: Int
+    }
+}
+
+/**
+ * Returns the current amplitude within an audio file.
+ */
+suspend fun Media.getCurrentAmplitude(): Number {
+    return suspendCoroutine { continuation ->
+        this.getCurrentAmplitude({ amp ->
+            continuation.resume(amp)
+        }, {
+            continuation.resume(-1)
+        })
+    }
+}
+
+/**
+ * Returns the current position within an audio file.
+ */
+suspend fun Media.getCurrentPosition(): Number {
+    return suspendCoroutine { continuation ->
+        this.getCurrentPosition({ pos ->
+            continuation.resume(pos)
+        }, {
+            continuation.resume(-1)
+        })
+    }
+}