[CRD iOS] Hook the touch input feedback

remoting/client/ui/renderer_proxy.cc

+// Copyright 2017 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/client/ui/renderer_proxy.h"
+
+#include "base/bind.h"
+#include "base/logging.h"
+#include "remoting/client/display/gl_renderer.h"
+#include "remoting/client/queued_task_poster.h"
+#include "remoting/client/ui/view_matrix.h"
+
+namespace remoting {
+
+RendererProxy::RendererProxy(
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner)
+    : task_runner_(task_runner),
+      ui_task_poster_(new remoting::QueuedTaskPoster(task_runner_)),
+      weak_factory_(this) {}
+
+RendererProxy::~RendererProxy() {}
+
+void RendererProxy::Initialize(base::WeakPtr<GlRenderer> renderer) {
+  renderer_ = renderer;
+}
+
+void RendererProxy::SetTransformation(const ViewMatrix& transformation) {
+  // Viewport and cursor movements need to be synchronized into the same frame.
+  RunTaskOnProperThread(base::Bind(&GlRenderer::OnPixelTransformationChanged,
+                                   renderer_, transformation.ToMatrixArray()),
+                        true);
+}
+
+void RendererProxy::SetCursorPosition(float x, float y) {
+  RunTaskOnProperThread(base::Bind(&GlRenderer::OnCursorMoved, renderer_, x, y),
+                        true);
+}
+
+void RendererProxy::SetCursorVisibility(bool visible) {
+  RunTaskOnProperThread(
+      base::Bind(&GlRenderer::OnCursorVisibilityChanged, renderer_, visible),
+      false);
+}
+
+void RendererProxy::StartInputFeedback(float x, float y, float diameter) {
+  RunTaskOnProperThread(
+      base::Bind(&GlRenderer::OnCursorInputFeedback, renderer_, x, y, diameter),
+      false);
+}
+
+base::WeakPtr<RendererProxy> RendererProxy::GetWeakPtr() {
+  return weak_factory_.GetWeakPtr();
+}
+
+void RendererProxy::RunTaskOnProperThread(const base::Closure& task,
+                                          bool needs_synchronization) {
+  if (task_runner_->BelongsToCurrentThread()) {
+    task.Run();
+    return;
+  }
+
+  if (needs_synchronization) {
+    ui_task_poster_->AddTask(task);
+    return;
+  }
+
+  task_runner_->PostTask(FROM_HERE, task);
+}
+
+}  // namespace remoting