Use webrtc::MouseCursorMonitor for cursor shapes

remoting/host/fake_mouse_cursor_monitor.cc

+// Copyright 2014 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 "remoting/host/fake_mouse_cursor_monitor.h"
+
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
+#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
+#include "third_party/webrtc/modules/desktop_capture/mouse_cursor.h"
+
+namespace remoting {
+
+FakeMouseCursorMonitor::FakeMouseCursorMonitor() : callback_(NULL) {}
+
+FakeMouseCursorMonitor::~FakeMouseCursorMonitor() {}
+
+void FakeMouseCursorMonitor::Init(
+    webrtc::MouseCursorMonitor::Callback* callback,
+    webrtc::MouseCursorMonitor::Mode mode) {
+  DCHECK(!callback_);
+  DCHECK(callback);
+
+  // Only shapes supported right now.
+  CHECK(mode == SHAPE_ONLY);
+
+  callback_ = callback;
+}
+
+void FakeMouseCursorMonitor::Capture() {
+  DCHECK(callback_);
+
+  const int kWidth = 32;
+  const int kHeight = 32;
+
+  scoped_ptr<webrtc::DesktopFrame> desktop_frame(
+      new webrtc::BasicDesktopFrame(webrtc::DesktopSize(kWidth, kHeight)));
+  memset(desktop_frame->data(), 0xFF,
+         webrtc::DesktopFrame::kBytesPerPixel * kWidth * kHeight);
+
+  scoped_ptr<webrtc::MouseCursor> mouse_cursor(
+      new webrtc::MouseCursor(desktop_frame.release(),
+                              webrtc::DesktopVector()));
+
+  callback_->OnMouseCursor(mouse_cursor.release());
+}
+
+}  // namespace remoting