DialogSurfaceManager implementation.

media/base/android/android_overlay_proxy.cc

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "media/base/android/android_overlay_proxy.h"
+
+#include "base/android/jni_android.h"
+#include "base/bind.h"
+#include "jni/AndroidOverlayProxy_jni.h"
+#include "media/base/android/android_overlay_callback.h"
+
+using base::android::AttachCurrentThread;
+using base::android::JavaRef;
+using base::android::ScopedJavaLocalRef;
+
+namespace media {
+
+AndroidOverlayProxy::AndroidOverlayProxy(
+    const JavaRef<jobject>& unwrapped_holder,
+    std::unique_ptr<AndroidOverlayCallback> wrapped_callback)
+    : wrapped_callback_(std::move(wrapped_callback)) {
+  JNIEnv* env = AttachCurrentThread();
+
+  // Set the callback that we'll use to get the java surface.
+  wrapped_callback_->SetAndroidSurfaceCB(base::Bind(
+      &AndroidOverlayProxy::OnAndroidSurface, base::Unretained(this)));
+
+  j_wrapped_surface_.Reset(
+      env, Java_AndroidOverlayProxy_wrap(env, unwrapped_holder).obj());
+}
+
+AndroidOverlayProxy::~AndroidOverlayProxy() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+
+  wrapped_callback_->SetAndroidSurfaceCB(
+      AndroidOverlayCallback::AndroidSurfaceCB());
+
+  JNIEnv* env = AttachCurrentThread();
+  if (j_wrapped_surface_.obj())
+    Java_AndroidOverlayProxy_release(env, j_wrapped_surface_.obj());
+}
+
+void AndroidOverlayProxy::ScheduleLayout(const Config& config) {
+  DCHECK(CalledOnValidThread());
+  JNIEnv* env = AttachCurrentThread();
+  Java_AndroidOverlayProxy_scheduleLayoutSurface(
+      env, j_wrapped_surface_.obj(), config.rect.x(), config.rect.y(),
+      config.rect.width(), config.rect.height());
+}
+
+bool AndroidOverlayProxy::CalledOnValidThread() const {
+  return thread_checker_.CalledOnValidThread();
+}
+
+void AndroidOverlayProxy::OnAndroidSurface(
+    const base::android::JavaRef<jobject>& jsurface) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  android_surface_ =
+      gl::ScopedJavaSurface::AcquireExternalSurface(jsurface.obj());
+}
+
+gl::ScopedJavaSurface& AndroidOverlayProxy::GetAndroidSurface() {
+  return android_surface_;
+}
+
+}  // namespace media