1 files changed, 152 insertions, 0 deletions
diff --git a/core/jni/android/graphics/ParcelSurfaceTexture.cpp b/core/jni/android/graphics/ParcelSurfaceTexture.cpp
new file mode 100644
index 0000000..517d7e2
--- /dev/null
+++ b/core/jni/android/graphics/ParcelSurfaceTexture.cpp
@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) 2011 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.
+ */
+
+#define LOG_TAG "ParcelSurfaceTexture"
+
+#include <gui/SurfaceTextureClient.h>
+
+#include <android_runtime/AndroidRuntime.h>
+
+#include <utils/Log.h>
+
+#include <binder/Parcel.h>
+
+#include "android_util_Binder.h"
+#include "jni.h"
+#include "JNIHelp.h"
+#include "SurfaceTexture.h"
+
+// ----------------------------------------------------------------------------
+
+namespace android {
+
+const char* const kParcelSurfaceTextureClassPathName =
+    "android/graphics/ParcelSurfaceTexture";
+
+struct fields_t {
+    jfieldID iSurfaceTexture;
+};
+static fields_t fields;
+
+#define ANDROID_GRAPHICS_ISURFACETEXTURE_JNI_ID "mISurfaceTexture"
+
+// ----------------------------------------------------------------------------
+
+static void ParcelSurfaceTexture_setISurfaceTexture(
+        JNIEnv* env, jobject thiz, const sp<ISurfaceTexture>& iSurfaceTexture)
+{
+    ISurfaceTexture* const p =
+            (ISurfaceTexture*)env->GetIntField(thiz, fields.iSurfaceTexture);
+    if (iSurfaceTexture.get()) {
+        iSurfaceTexture->incStrong(thiz);
+    }
+    if (p) {
+        p->decStrong(thiz);
+    }
+    env->SetIntField(thiz, fields.iSurfaceTexture, (int)iSurfaceTexture.get());
+}
+
+static sp<ISurfaceTexture> ParcelSurfaceTexture_getISurfaceTexture(
+        JNIEnv* env, jobject thiz)
+{
+    sp<ISurfaceTexture> iSurfaceTexture(
+        (ISurfaceTexture*)env->GetIntField(thiz, fields.iSurfaceTexture));
+    return iSurfaceTexture;
+}
+
+sp<ANativeWindow> android_ParcelSurfaceTexture_getNativeWindow(
+        JNIEnv* env, jobject thiz)
+{
+    sp<ISurfaceTexture> iSurfaceTexture(
+            ParcelSurfaceTexture_getISurfaceTexture(env, thiz));
+    sp<SurfaceTextureClient> surfaceTextureClient(iSurfaceTexture != NULL ?
+            new SurfaceTextureClient(iSurfaceTexture) : NULL);
+    return surfaceTextureClient;
+}
+
+bool android_ParcelSurfaceTexture_isInstanceOf(JNIEnv* env, jobject thiz)
+{
+    jclass parcelSurfaceTextureClass = env->FindClass(
+            kParcelSurfaceTextureClassPathName);
+    return env->IsInstanceOf(thiz, parcelSurfaceTextureClass);
+}
+
+// ----------------------------------------------------------------------------
+
+static void ParcelSurfaceTexture_classInit(JNIEnv* env, jclass clazz)
+{
+    fields.iSurfaceTexture =
+            env->GetFieldID(clazz, ANDROID_GRAPHICS_ISURFACETEXTURE_JNI_ID, "I");
+    if (fields.iSurfaceTexture == NULL) {
+        LOGE("can't find android/graphics/ParcelSurfaceTexture.%s",
+             ANDROID_GRAPHICS_ISURFACETEXTURE_JNI_ID);
+    }
+}
+
+static void ParcelSurfaceTexture_init(JNIEnv* env, jobject thiz, jobject jSurfaceTexture)
+{
+    sp<ISurfaceTexture> iSurfaceTexture(
+            SurfaceTexture_getSurfaceTexture(env, jSurfaceTexture));
+    ParcelSurfaceTexture_setISurfaceTexture(env, thiz, iSurfaceTexture);
+}
+
+static void ParcelSurfaceTexture_finalize(JNIEnv* env, jobject thiz)
+{
+    ParcelSurfaceTexture_setISurfaceTexture(env, thiz, 0);
+}
+
+static void ParcelSurfaceTexture_writeToParcel(
+        JNIEnv* env, jobject thiz, jobject jParcel, jint flags)
+{
+    Parcel* parcel = parcelForJavaObject(env, jParcel);
+    sp<ISurfaceTexture> iSurfaceTexture(
+            ParcelSurfaceTexture_getISurfaceTexture(env, thiz));
+    sp<IBinder> b(iSurfaceTexture->asBinder());
+    parcel->writeStrongBinder(b);
+}
+
+static void ParcelSurfaceTexture_readFromParcel(
+        JNIEnv* env, jobject thiz, jobject jParcel)
+{
+    Parcel* parcel = parcelForJavaObject(env, jParcel);
+    sp<ISurfaceTexture> iSurfaceTexture(
+            interface_cast<ISurfaceTexture>(parcel->readStrongBinder()));
+    ParcelSurfaceTexture_setISurfaceTexture(env, thiz, iSurfaceTexture);
+}
+
+// ----------------------------------------------------------------------------
+
+static JNINativeMethod gParcelSurfaceTextureMethods[] = {
+    {"nativeClassInit", "()V",   (void*)ParcelSurfaceTexture_classInit },
+    {"nativeInit", "(Landroid/graphics/SurfaceTexture;)V",
+      (void *)ParcelSurfaceTexture_init },
+    { "nativeFinalize", "()V", (void *)ParcelSurfaceTexture_finalize },
+    { "nativeWriteToParcel", "(Landroid/os/Parcel;I)V",
+      (void *)ParcelSurfaceTexture_writeToParcel },
+    { "nativeReadFromParcel", "(Landroid/os/Parcel;)V",
+      (void *)ParcelSurfaceTexture_readFromParcel },
+};
+
+
+int register_android_graphics_ParcelSurfaceTexture(JNIEnv* env)
+{
+    int err = 0;
+    err = AndroidRuntime::registerNativeMethods(env, kParcelSurfaceTextureClassPathName,
+            gParcelSurfaceTextureMethods, NELEM(gParcelSurfaceTextureMethods));
+    return err;
+}
+
+} // namespace android