Revert "Remove MediaStreamTrack.getSources()."

third_party/WebKit/Source/platform/exported/WebSourceInfo.cpp

+/*
+ * Copyright (C) 2013 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GOOGLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "public/platform/WebSourceInfo.h"
+
+#include "public/platform/WebString.h"
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefCounted.h"
+
+namespace blink {
+
+class WebSourceInfoPrivate final : public RefCounted<WebSourceInfoPrivate> {
+ public:
+  static PassRefPtr<WebSourceInfoPrivate> create(
+      const WebString& id,
+      WebSourceInfo::SourceKind,
+      const WebString& label,
+      WebSourceInfo::VideoFacingMode);
+
+  const WebString& id() const { return m_id; }
+  WebSourceInfo::SourceKind kind() const { return m_kind; }
+  const WebString& label() const { return m_label; }
+  WebSourceInfo::VideoFacingMode facing() const { return m_facing; }
+
+ private:
+  WebSourceInfoPrivate(const WebString& id,
+                       WebSourceInfo::SourceKind,
+                       const WebString& label,
+                       WebSourceInfo::VideoFacingMode);
+
+  WebString m_id;
+  WebSourceInfo::SourceKind m_kind;
+  WebString m_label;
+  WebSourceInfo::VideoFacingMode m_facing;
+};
+
+PassRefPtr<WebSourceInfoPrivate> WebSourceInfoPrivate::create(
+    const WebString& id,
+    WebSourceInfo::SourceKind kind,
+    const WebString& label,
+    WebSourceInfo::VideoFacingMode facing) {
+  return adoptRef(new WebSourceInfoPrivate(id, kind, label, facing));
+}
+
+WebSourceInfoPrivate::WebSourceInfoPrivate(
+    const WebString& id,
+    WebSourceInfo::SourceKind kind,
+    const WebString& label,
+    WebSourceInfo::VideoFacingMode facing)
+    : m_id(id), m_kind(kind), m_label(label), m_facing(facing) {}
+
+void WebSourceInfo::assign(const WebSourceInfo& other) {
+  m_private = other.m_private;
+}
+
+void WebSourceInfo::reset() {
+  m_private.reset();
+}
+
+void WebSourceInfo::initialize(const WebString& id,
+                               WebSourceInfo::SourceKind kind,
+                               const WebString& label,
+                               WebSourceInfo::VideoFacingMode facing) {
+  m_private = WebSourceInfoPrivate::create(id, kind, label, facing);
+}
+
+WebString WebSourceInfo::id() const {
+  ASSERT(!m_private.isNull());
+  return m_private->id();
+}
+
+WebSourceInfo::SourceKind WebSourceInfo::kind() const {
+  ASSERT(!m_private.isNull());
+  return m_private->kind();
+}
+
+WebString WebSourceInfo::label() const {
+  ASSERT(!m_private.isNull());
+  return m_private->label();
+}
+
+WebSourceInfo::VideoFacingMode WebSourceInfo::facing() const {
+  ASSERT(!m_private.isNull());
+  return m_private->facing();
+}
+
+}  // namespace blink