DialogSurfaceHolder implementation.

media/base/android/dialog_surface_holder.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/dialog_surface_holder.h"
+
+#include <algorithm>
+#include <limits>
+#include <map>
+#include <memory>
+#include <utility>
+
+#include "base/android/build_info.h"
+#include "base/android/jni_android.h"
+#include "base/android/jni_array.h"
+#include "base/android/jni_string.h"
+#include "base/lazy_instance.h"
+#include "base/logging.h"
+#include "base/numerics/safe_conversions.h"
+#include "base/strings/string_util.h"
+#include "base/synchronization/lock.h"
+#include "base/synchronization/waitable_event.h"
+#include "jni/DialogSurfaceHolderWrapper_jni.h"
+#include "media/base/android/dialog_surface_callback.h"
+#include "media/base/android/dialog_surface_manager.h"
+#include "media/base/bind_to_current_loop.h"
+#include "media/base/bit_reader.h"
+#include "media/base/decrypt_config.h"
+
+using base::android::AttachCurrentThread;
+using base::android::JavaRef;
+using base::android::ScopedJavaLocalRef;
+
+namespace media {
+
+DialogSurfaceHolder::DialogSurfaceHolder(
+    const JavaRef<jobject>& unwrapped_holder,
+    std::unique_ptr<DialogSurfaceCallback>&& wrapped_callback)
+    : wrapped_callback_(std::move(wrapped_callback)) {
+  JNIEnv* env = AttachCurrentThread();
+  CHECK(env);
+  j_wrapped_surface_.Reset(
+      env,
+      Java_DialogSurfaceHolderWrapper_wrap(env, unwrapped_holder.obj()).obj());
+}
+
+DialogSurfaceHolder::~DialogSurfaceHolder() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+
+  JNIEnv* env = AttachCurrentThread();
+  CHECK(env);
+  if (j_wrapped_surface_.obj())
+    Java_DialogSurfaceHolderWrapper_release(env, j_wrapped_surface_.obj());
+}
+
+void DialogSurfaceHolder::ScheduleLayout(const Config& config) {
+  DCHECK(CalledOnValidThread());
+  JNIEnv* env = AttachCurrentThread();
+  CHECK(env);
+  Java_DialogSurfaceHolderWrapper_scheduleLayoutSurface(
+      env, j_wrapped_surface_.obj(), config.rect.x(), config.rect.y(),
+      config.rect.width(), config.rect.height());
+}
+
+gl::ScopedJavaSurface DialogSurfaceHolder::GetSurface() {
+  DCHECK(CalledOnValidThread());
+  JNIEnv* env = AttachCurrentThread();
+  CHECK(env);
+  ScopedJavaLocalRef<jobject> surface(
+      Java_DialogSurfaceHolderWrapper_getSurface(env,
+                                                 j_wrapped_surface_.obj()));
+  if (surface.obj() == nullptr)
+    return gl::ScopedJavaSurface();
+
+  return gl::ScopedJavaSurface::AcquireExternalSurface(surface.obj());
+}
+
+bool DialogSurfaceHolder::CalledOnValidThread() const {
+  return thread_checker_.CalledOnValidThread();
+}
+
+}  // namespace media