1 files changed, 91 insertions, 0 deletions
diff --git a/chromium/chrome/browser/media/webrtc/desktop_media_picker_factory_impl.cc b/chromium/chrome/browser/media/webrtc/desktop_media_picker_factory_impl.cc
new file mode 100644
index 00000000000..fa7d872810a
--- /dev/null
+++ b/chromium/chrome/browser/media/webrtc/desktop_media_picker_factory_impl.cc
@@ -0,0 +1,91 @@
+// Copyright 2018 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 "chrome/browser/media/webrtc/desktop_media_picker_factory_impl.h"
+
+#include "base/no_destructor.h"
+#include "build/build_config.h"
+#include "chrome/browser/media/webrtc/desktop_media_list_ash.h"
+#include "chrome/browser/media/webrtc/native_desktop_media_list.h"
+#include "chrome/browser/media/webrtc/tab_desktop_media_list.h"
+#include "content/public/browser/desktop_capture.h"
+
+DesktopMediaPickerFactoryImpl::DesktopMediaPickerFactoryImpl() = default;
+
+DesktopMediaPickerFactoryImpl::~DesktopMediaPickerFactoryImpl() = default;
+
+// static
+DesktopMediaPickerFactoryImpl* DesktopMediaPickerFactoryImpl::GetInstance() {
+  static base::NoDestructor<DesktopMediaPickerFactoryImpl> impl;
+  return impl.get();
+}
+
+std::unique_ptr<DesktopMediaPicker>
+DesktopMediaPickerFactoryImpl::CreatePicker() {
+// DesktopMediaPicker is implemented only for Windows, OSX and Aura Linux
+// builds.
+#if defined(TOOLKIT_VIEWS) || defined(OS_MACOSX)
+  return DesktopMediaPicker::Create();
+#else
+  return nullptr;
+#endif
+}
+
+std::vector<std::unique_ptr<DesktopMediaList>>
+DesktopMediaPickerFactoryImpl::CreateMediaList(
+    const std::vector<content::DesktopMediaID::Type>& types) {
+  // Keep same order as the input |sources| and avoid duplicates.
+  std::vector<std::unique_ptr<DesktopMediaList>> source_lists;
+  bool have_screen_list = false;
+  bool have_window_list = false;
+  bool have_tab_list = false;
+  for (auto source_type : types) {
+    switch (source_type) {
+      case content::DesktopMediaID::TYPE_NONE:
+        break;
+      case content::DesktopMediaID::TYPE_SCREEN: {
+        if (have_screen_list)
+          continue;
+        std::unique_ptr<DesktopMediaList> screen_list;
+#if defined(OS_CHROMEOS)
+        screen_list = std::make_unique<DesktopMediaListAsh>(
+            content::DesktopMediaID::TYPE_SCREEN);
+#else   // !defined(OS_CHROMEOS)
+        screen_list = std::make_unique<NativeDesktopMediaList>(
+            content::DesktopMediaID::TYPE_SCREEN,
+            content::desktop_capture::CreateScreenCapturer());
+#endif  // !defined(OS_CHROMEOS)
+        have_screen_list = true;
+        source_lists.push_back(std::move(screen_list));
+        break;
+      }
+      case content::DesktopMediaID::TYPE_WINDOW: {
+        if (have_window_list)
+          continue;
+        std::unique_ptr<DesktopMediaList> window_list;
+#if defined(OS_CHROMEOS)
+        window_list = std::make_unique<DesktopMediaListAsh>(
+            content::DesktopMediaID::TYPE_WINDOW);
+#else   // !defined(OS_CHROMEOS)
+        window_list = std::make_unique<NativeDesktopMediaList>(
+            content::DesktopMediaID::TYPE_WINDOW,
+            content::desktop_capture::CreateWindowCapturer());
+#endif  // !defined(OS_CHROMEOS)
+        have_window_list = true;
+        source_lists.push_back(std::move(window_list));
+        break;
+      }
+      case content::DesktopMediaID::TYPE_WEB_CONTENTS: {
+        if (have_tab_list)
+          continue;
+        std::unique_ptr<DesktopMediaList> tab_list =
+            std::make_unique<TabDesktopMediaList>();
+        have_tab_list = true;
+        source_lists.push_back(std::move(tab_list));
+        break;
+      }
+    }
+  }
+  return source_lists;
+}