Switch DRM platform to using a separate thread

ui/ozone/platform/drm/gpu/drm_thread_proxy.cc

+// Copyright 2015 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 "ui/ozone/platform/drm/gpu/drm_thread_proxy.h"
+
+namespace ui {
+
+DrmThreadProxy::DrmThreadProxy() : drm_thread_("DrmThread") {}
+
+void DrmThreadProxy::Initialize() {
+  // The DRM thread needs to be started late since we need to wait for the
+  // sandbox to start.
+  drm_thread_->Start();
+}
+
+void DrmThreadProxy::OnCreateWindow(gfx::AcceleratedWidget widget) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE, base::Bind(DrmThread::OnCreateWindow,
+                            base::Unretained(&drm_thread_), widget));
+}
+
+void DrmThreadProxy::OnDestroyWindow(gfx::AcceleratedWidget widget) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE, base::Bind(DrmThread::OnDestroyWindow,
+                            base::Unretained(&drm_thread_), widget));
+}
+
+void DrmThreadProxy::OnWindowBoundsChanged(gfx::AcceleratedWidget widget,
+                                           const gfx::Rect& bounds) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE, base::Bind(DrmThread::OnWindowBoundsChanged,
+                            base::Unretained(&drm_thread_), widget, bounds));
+}
+
+void DrmThreadProxy::OnCursorSet(gfx::AcceleratedWidget widget,
+                                 const std::vector<SkBitmap>& bitmaps,
+                                 const gfx::Point& location,
+                                 int frame_delay_ms) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE,
+      base::Bind(DrmThread::OnCursorSet, base::Unretained(&drm_thread_), widget,
+                 bitmaps, location, frame_delay_ms));
+}
+
+void DrmThreadProxy::OnCursorMove(gfx::AcceleratedWidget widget,
+                                  const gfx::Point& location) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE, base::Bind(DrmThread::OnCursorMove,
+                            base::Unretained(&drm_thread_), widget, location));
+}
+
+void DrmThreadProxy::OnCheckOverlayCapabilities(
+    gfx::AcceleratedWidget widget,
+    const std::vector<OverlayCheck_Params>& overlays,
+    const base::Callback<void(gfx::AcceleratedWidget, bool)>& callback) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE, base::Bind(DrmThread::OnCheckOverlayCapabilities,
+                            base::Unretained(&drm_thread_), widget, overlays,
+                            CreateSafeCallback(callback)));
+}
+
+void DrmThreadProxy::OnRefreshNativeDisplays(
+    const base::Callback<void(const std::vector<DisplaySnapshot_Params>&)>&
+        callback) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE,
+      base::Bind(DrmThread::OnRefreshNativeDisplays,
+                 base::Unretained(&drm_thread_), CreateSafeCallback(callback)));
+}
+
+void DrmThreadProxy::OnConfigureNativeDisplay(
+    int64_t id,
+    const DisplayMode_Params& mode,
+    const gfx::Point& origin,
+    const base::Callback<void(int64_t, bool)>& callback) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE, base::Bind(DrmThread::OnConfigureNativeDisplay,
+                            base::Unretained(&drm_thread_), id, mode, origin,
+                            CreateSafeCallback(callback)));
+}
+
+void DrmThreadProxy::OnDisableNativeDisplay(
+    int64_t id,
+    const base::Callback<void(int64_t, bool)>& callback) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE, base::Bind(DrmThread::OnDisableNativeDisplay,
+                            base::Unretained(&drm_thread_), id,
+                            CreateSafeCallback(callback)));
+}
+
+void DrmThreadProxy::OnTakeDisplayControl(
+    const base::Callback<void(bool)>& callback) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE,
+      base::Bind(DrmThread::OnTakeDisplayControl,
+                 base::Unretained(&drm_thread_), CreateSafeCallback(callback)));
+}
+
+void DrmThreadProxy::OnRelinquishDisplayControl(
+    const base::Callback<void(bool)>& callback) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE,
+      base::Bind(DrmThread::OnRelinquishDisplayControl,
+                 base::Unretained(&drm_thread_), CreateSafeCallback(callback)));
+}
+
+void DrmThreadProxy::OnAddGraphicsDevice(const base::FilePath& path,
+                                         const base::FileDescriptor& fd) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE, base::Bind(DrmThread::OnAddGraphicsDevice,
+                            base::Unretained(&drm_thread_), path, fd));
+}
+
+void DrmThreadProxy::OnRemoveGraphicsDevice(const base::FilePath& path) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE, base::Bind(DrmThread::OnRemoveGraphicsDevice,
+                            base::Unretained(&drm_thread_), path));
+}
+
+void DrmThreadProxy::OnGetHDCPState(
+    int64_t display_id,
+    const base::Callback<void(int64_t, bool, HDCPState>& callback) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE,
+      base::Bind(DrmThread::OnGetHDCPState, base::Unretained(&drm_thread_),
+                 display_id, CreateSafeCallback(callback)));
+}
+
+void DrmThreadProxy::OnSetHDCPState(
+    int64_t display_id, HDCPState state,
+    const base::Callback<void(int64_t, bool>& callback) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE,
+      base::Bind(DrmThread::OnSetHDCPState, base::Unretained(&drm_thread_),
+                 display_id, state, CreateSafeCallback(callback)));
+}
+
+void DrmThreadProxy::OnSetGammaRamp(int64_t id,
+                                    const std::vector<GammaRampRGBEntry>& lut) {
+  DCHECK(drm_thread_->IsRunning());
+  drm_thread_->task_runner()->PostTask(
+      FROM_HERE, base::Bind(DrmThread::OnSetGammaRamp,
+                            base::Unretained(&drm_thread_), id, lut));
+}
+
+}  // namespace ui