[Ozone-GBM] Add basic support for display configuration over IPC

ui/ozone/platform/dri/chromeos/native_display_delegate_proxy.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 "ui/ozone/platform/dri/chromeos/native_display_delegate_proxy.h"
+
+#include "base/logging.h"
+#include "ui/display/types/chromeos/display_snapshot.h"
+#include "ui/display/types/chromeos/native_display_observer.h"
+#include "ui/events/ozone/device/device_event.h"
+#include "ui/events/ozone/device/device_manager.h"
+#include "ui/ozone/platform/dri/gpu_platform_support_host_gbm.h"
+
+namespace ui {
+
+NativeDisplayDelegateProxy::NativeDisplayDelegateProxy(
+    GpuPlatformSupportHostGbm* proxy,
+    DeviceManager* device_manager)
+    : proxy_(proxy),
+      device_manager_(device_manager) {}
+
+NativeDisplayDelegateProxy::~NativeDisplayDelegateProxy() {
+  if (device_manager_)
+    device_manager_->RemoveObserver(this);
+
+  proxy_->RegisterDisplayDelegate(NULL);
+}
+
+void NativeDisplayDelegateProxy::Initialize() {
+  if (device_manager_)
+    device_manager_->AddObserver(this);
+
+  proxy_->RegisterDisplayDelegate(this);
+}
+
+void NativeDisplayDelegateProxy::GrabServer() {}
+
+void NativeDisplayDelegateProxy::UngrabServer() {}
+
+void NativeDisplayDelegateProxy::SyncWithServer() {}
+
+void NativeDisplayDelegateProxy::SetBackgroundColor(uint32_t color_argb) {
+  NOTIMPLEMENTED();
+}
+
+void NativeDisplayDelegateProxy::ForceDPMSOn() {
+  proxy_->ForceDPMSOn();
+}
+
+std::vector<DisplaySnapshot*> NativeDisplayDelegateProxy::GetDisplays() {
+  return displays_.get();
+}
+
+void NativeDisplayDelegateProxy::AddMode(const DisplaySnapshot& output,
+                                         const DisplayMode* mode) {}
+
+bool NativeDisplayDelegateProxy::Configure(const DisplaySnapshot& output,
+                                           const DisplayMode* mode,
+                                           const gfx::Point& origin) {
+  // TODO(dnicoara) Should handle an asynchronous response.
+  proxy_->ConfigureNativeDisplay(output.display_id(), mode, origin);
+  return true;
+}
+
+void NativeDisplayDelegateProxy::CreateFrameBuffer(const gfx::Size& size) {}
+
+bool NativeDisplayDelegateProxy::GetHDCPState(const DisplaySnapshot& output,
+                                              HDCPState* state) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+bool NativeDisplayDelegateProxy::SetHDCPState(const DisplaySnapshot& output,
+                                              HDCPState state) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+std::vector<ColorCalibrationProfile>
+NativeDisplayDelegateProxy::GetAvailableColorCalibrationProfiles(
+    const DisplaySnapshot& output) {
+  NOTIMPLEMENTED();
+  return std::vector<ColorCalibrationProfile>();
+}
+
+bool NativeDisplayDelegateProxy::SetColorCalibrationProfile(
+    const DisplaySnapshot& output,
+    ColorCalibrationProfile new_profile) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+void NativeDisplayDelegateProxy::AddObserver(NativeDisplayObserver* observer) {
+  observers_.AddObserver(observer);
+}
+
+void NativeDisplayDelegateProxy::RemoveObserver(
+    NativeDisplayObserver* observer) {
+  observers_.RemoveObserver(observer);
+}
+
+void NativeDisplayDelegateProxy::OnDeviceEvent(const DeviceEvent& event) {
+  if (event.device_type() != DeviceEvent::DISPLAY)
+    return;
+
+  if (event.action_type() == DeviceEvent::CHANGE) {
+    VLOG(1) << "Got display changed event";
+    proxy_->RefreshNativeDisplays();
+  }
+}
+
+void NativeDisplayDelegateProxy::OnUpdateNativeDisplays(
+    ScopedVector<DisplaySnapshot> displays) {
+  displays_.swap(displays);
+  FOR_EACH_OBSERVER(
+      NativeDisplayObserver, observers_, OnConfigurationChanged());
+}
+
+}  // namespace ui