Move system.* family of APIs to extensions/

chrome/browser/extensions/api/system_display/display_info_provider.cc

-// Copyright 2013 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 "chrome/browser/extensions/api/system_display/display_info_provider.h"
-
-#include "base/strings/string_number_conversions.h"
-#include "chrome/common/extensions/api/system_display.h"
-#include "ui/gfx/display.h"
-#include "ui/gfx/screen.h"
-
-namespace extensions {
-
-namespace {
-
-// Created on demand and will leak when the process exits.
-DisplayInfoProvider* g_display_info_provider = NULL;
-
-// Converts Rotation enum to integer.
-int RotationToDegrees(gfx::Display::Rotation rotation) {
-  switch (rotation) {
-    case gfx::Display::ROTATE_0:
-      return 0;
-    case gfx::Display::ROTATE_90:
-      return 90;
-    case gfx::Display::ROTATE_180:
-      return 180;
-    case gfx::Display::ROTATE_270:
-      return 270;
-  }
-  return 0;
-}
-
-// Creates new DisplayUnitInfo struct for |display|.
-extensions::api::system_display::DisplayUnitInfo*
-CreateDisplayUnitInfo(const gfx::Display& display, int64 primary_display_id) {
-  extensions::api::system_display::DisplayUnitInfo* unit =
-      new extensions::api::system_display::DisplayUnitInfo();
-  const gfx::Rect& bounds = display.bounds();
-  const gfx::Rect& work_area = display.work_area();
-  unit->id = base::Int64ToString(display.id());
-  unit->is_primary = (display.id() == primary_display_id);
-  unit->is_internal = display.IsInternal();
-  unit->is_enabled = true;
-  unit->rotation = RotationToDegrees(display.rotation());
-  unit->bounds.left = bounds.x();
-  unit->bounds.top = bounds.y();
-  unit->bounds.width = bounds.width();
-  unit->bounds.height = bounds.height();
-  unit->work_area.left = work_area.x();
-  unit->work_area.top = work_area.y();
-  unit->work_area.width = work_area.width();
-  unit->work_area.height = work_area.height();
-  return unit;
-}
-
-}  // namespace
-
-DisplayInfoProvider::~DisplayInfoProvider() {
-}
-
-// static
-DisplayInfoProvider* DisplayInfoProvider::Get() {
-  if (g_display_info_provider == NULL)
-    g_display_info_provider = DisplayInfoProvider::Create();
-  return g_display_info_provider;
-}
-
-// static
-void DisplayInfoProvider::InitializeForTesting(
-    DisplayInfoProvider* display_info_provider) {
-  DCHECK(display_info_provider);
-  g_display_info_provider = display_info_provider;
-}
-
-DisplayInfo DisplayInfoProvider::GetAllDisplaysInfo() {
-  // TODO(scottmg): Native is wrong http://crbug.com/133312
-  gfx::Screen* screen = gfx::Screen::GetNativeScreen();
-  int64 primary_id = screen->GetPrimaryDisplay().id();
-  std::vector<gfx::Display> displays = screen->GetAllDisplays();
-  DisplayInfo all_displays;
-  for (int i = 0; i < screen->GetNumDisplays(); ++i) {
-    linked_ptr<extensions::api::system_display::DisplayUnitInfo> unit(
-        CreateDisplayUnitInfo(displays[i], primary_id));
-    UpdateDisplayUnitInfoForPlatform(displays[i], unit.get());
-    all_displays.push_back(unit);
-  }
-  return all_displays;
-}
-
-DisplayInfoProvider::DisplayInfoProvider() {
-}
-
-}  // namespace extensions