Ozone integration.

ui/ozone/common/display_util.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/common/display_util.h"
+
+#include "base/command_line.h"
+#include "base/files/file_path.h"
+#include "base/files/file_util.h"
+#include "ui/display/types/display_mode.h"
+#include "ui/display/types/display_snapshot.h"
+#include "ui/display/util/edid_parser.h"
+#include "ui/display/util/edid_parser.h"
+#include "ui/ozone/public/ozone_switches.h"
+
+namespace ui {
+
+namespace {
+
+const int64_t kDummyDisplayId = 1;
+const int64_t kDummyProductId = 1;
+
+}  // namespace
+
+FindDisplayById::FindDisplayById(int64_t display_id) : display_id_(display_id) {
+}
+
+bool FindDisplayById::operator()(const DisplaySnapshot_Params& display) const {
+  return display.display_id == display_id_;
+}
+
+DisplayMode_Params GetDisplayModeParams(const DisplayMode& mode) {
+  DisplayMode_Params params;
+  params.size = mode.size();
+  params.is_interlaced = mode.is_interlaced();
+  params.refresh_rate = mode.refresh_rate();
+
+  return params;
+}
+
+DisplaySnapshot_Params GetDisplaySnapshotParams(
+    const DisplaySnapshot& display) {
+  DisplaySnapshot_Params params;
+  params.display_id = display.display_id();
+  params.origin = display.origin();
+  params.physical_size = display.physical_size();
+  params.type = display.type();
+  params.is_aspect_preserving_scaling = display.is_aspect_preserving_scaling();
+  params.has_overscan = display.has_overscan();
+  params.display_name = display.display_name();
+  for (size_t i = 0; i < display.modes().size(); ++i)
+    params.modes.push_back(GetDisplayModeParams(*display.modes()[i]));
+
+  params.has_current_mode = display.current_mode() != NULL;
+  if (params.has_current_mode)
+    params.current_mode = GetDisplayModeParams(*display.current_mode());
+
+  params.has_native_mode = display.native_mode() != NULL;
+  if (params.has_native_mode)
+    params.native_mode = GetDisplayModeParams(*display.native_mode());
+
+  params.product_id = display.product_id();
+  params.string_representation = display.ToString();
+
+  return params;
+}
+
+bool CreateSnapshotFromCommandLine(DisplaySnapshot_Params* snapshot_out) {
+  base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
+  std::string spec =
+      cmd->GetSwitchValueASCII(switches::kOzoneInitialDisplayBounds);
+  std::string physical_spec =
+      cmd->GetSwitchValueASCII(switches::kOzoneInitialDisplayPhysicalSizeMm);
+
+  int width = 0;
+  int height = 0;
+  if (spec.empty() || sscanf(spec.c_str(), "%dx%d", &width, &height) < 2 ||
+      width == 0 || height == 0) {
+    return false;
+  }
+
+  int physical_width = 0;
+  int physical_height = 0;
+  sscanf(physical_spec.c_str(), "%dx%d", &physical_width, &physical_height);
+
+  DisplayMode_Params mode_param;
+  mode_param.size = gfx::Size(width, height);
+  mode_param.refresh_rate = 60;
+
+  snapshot_out->display_id = kDummyDisplayId;
+  snapshot_out->modes.push_back(mode_param);
+  snapshot_out->type = DISPLAY_CONNECTION_TYPE_INTERNAL;
+  snapshot_out->physical_size = gfx::Size(physical_width, physical_height);
+  snapshot_out->has_current_mode = true;
+  snapshot_out->current_mode = mode_param;
+  snapshot_out->has_native_mode = true;
+  snapshot_out->native_mode = mode_param;
+  snapshot_out->product_id = kDummyProductId;
+  return true;
+}
+
+}  // namespace ui