Add Mojo NativeDisplayDelegate / NativeDisplayObserver.

ui/display/manager/forwarding_display_delegate.cc

Index: ui/display/manager/forwarding_display_delegate.cc
diff --git a/ui/display/manager/forwarding_display_delegate.cc b/ui/display/manager/forwarding_display_delegate.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0a0813da8cab588c8d5d20957927bf6d4123447e
--- /dev/null
+++ b/ui/display/manager/forwarding_display_delegate.cc
@@ -0,0 +1,132 @@
+// 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 "ui/display/manager/forwarding_display_delegate.h"
+
+#include <utility>
+
+#include "base/bind.h"
+#include "ui/display/types/display_snapshot_mojo.h"
+
+namespace display {
+
+ForwardingDisplayDelegate::ForwardingDisplayDelegate(
+    mojom::NativeDisplayDelegatePtr delegate)
+    : delegate_(std::move(delegate)), binding_(this) {}
+
+ForwardingDisplayDelegate::~ForwardingDisplayDelegate() {}
+
+void ForwardingDisplayDelegate::Initialize() {
+  delegate_->Initialize(binding_.CreateInterfacePtrAndBind());
+}
+
+void ForwardingDisplayDelegate::GrabServer() {}
+
+void ForwardingDisplayDelegate::UngrabServer() {}
+
+void ForwardingDisplayDelegate::TakeDisplayControl(
+    const DisplayControlCallback& callback) {
+  delegate_->TakeDisplayControl(callback);
+}
+
+void ForwardingDisplayDelegate::RelinquishDisplayControl(
+    const DisplayControlCallback& callback) {
+  delegate_->TakeDisplayControl(callback);
+}
+
+void ForwardingDisplayDelegate::SyncWithServer() {}
+
+void ForwardingDisplayDelegate::SetBackgroundColor(uint32_t color_argb) {}
+
+void ForwardingDisplayDelegate::ForceDPMSOn() {}
+
+void ForwardingDisplayDelegate::GetDisplays(
+    const GetDisplaysCallback& callback) {
+  delegate_->GetDisplays(
+      base::Bind(&ForwardingDisplayDelegate::StoreAndForwardDisplays,
+                 base::Unretained(this), callback));
+}
+
+void ForwardingDisplayDelegate::AddMode(const DisplaySnapshot& snapshot,
+                                        const DisplayMode* mode) {}
+
+void ForwardingDisplayDelegate::Configure(const DisplaySnapshot& snapshot,
+                                          const DisplayMode* mode,
+                                          const gfx::Point& origin,
+                                          const ConfigureCallback& callback) {
+  delegate_->Configure(snapshot.display_id(), mode->Clone(), origin, callback);
+}
+
+void ForwardingDisplayDelegate::CreateFrameBuffer(const gfx::Size& size) {}
+
+void ForwardingDisplayDelegate::GetHDCPState(
+    const DisplaySnapshot& snapshot,
+    const GetHDCPStateCallback& callback) {
+  delegate_->GetHDCPState(snapshot.display_id(), callback);
+}
+
+void ForwardingDisplayDelegate::SetHDCPState(
+    const DisplaySnapshot& snapshot,
+    HDCPState state,
+    const SetHDCPStateCallback& callback) {
+  delegate_->SetHDCPState(snapshot.display_id(), state, callback);
+}
+
+std::vector<ColorCalibrationProfile>
+ForwardingDisplayDelegate::GetAvailableColorCalibrationProfiles(
+    const DisplaySnapshot& output) {
+  return std::vector<ColorCalibrationProfile>();
+}
+
+bool ForwardingDisplayDelegate::SetColorCalibrationProfile(
+    const DisplaySnapshot& output,
+    ColorCalibrationProfile new_profile) {
+  return false;
+}
+
+bool ForwardingDisplayDelegate::SetColorCorrection(
+    const DisplaySnapshot& output,
+    const std::vector<GammaRampRGBEntry>& degamma_lut,
+    const std::vector<GammaRampRGBEntry>& gamma_lut,
+    const std::vector<float>& correction_matrix) {
+  delegate_->SetColorCorrection(output.display_id(), degamma_lut, gamma_lut,
+                                correction_matrix);
+  // DrmNativeDisplayDelegate always returns true so this will too.
+  return true;
+}
+
+void ForwardingDisplayDelegate::AddObserver(
+    display::NativeDisplayObserver* observer) {
+  observers_.AddObserver(observer);
+}
+
+void ForwardingDisplayDelegate::RemoveObserver(
+    display::NativeDisplayObserver* observer) {
+  observers_.RemoveObserver(observer);
+}
+
+FakeDisplayController* ForwardingDisplayDelegate::GetFakeDisplayController() {
+  return nullptr;
+}
+
+void ForwardingDisplayDelegate::OnConfigurationChanged() {
+  // Forward OnConfigurationChanged received over Mojo to local observers.
+  for (auto& observer : observers_)
+    observer.OnConfigurationChanged();
+}
+
+void ForwardingDisplayDelegate::StoreAndForwardDisplays(
+    const GetDisplaysCallback& callback,
+    std::vector<std::unique_ptr<DisplaySnapshotMojo>> snapshots) {
+  for (auto& observer : observers_)
+    observer.OnDisplaySnapshotsInvalidated();
+  snapshots_ = std::move(snapshots);
+
+  std::vector<DisplaySnapshot*> snapshot_ptrs;
+  for (auto& snapshot : snapshots_)
+    snapshot_ptrs.push_back(snapshot.get());
+  callback.Run(snapshot_ptrs);
+}
+
+}  // namespace display