1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "chrome/browser/extensions/api/system_display/display_info_provider.h"
7 #include "base/strings/string_number_conversions.h"
8 #include "ui/gfx/display.h"
9 #include "ui/gfx/screen.h"
11 namespace extensions {
15 // Converts Rotation enum to integer.
16 int RotationToDegrees(gfx::Display::Rotation rotation) {
18 case gfx::Display::ROTATE_0:
20 case gfx::Display::ROTATE_90:
22 case gfx::Display::ROTATE_180:
24 case gfx::Display::ROTATE_270:
30 // Creates new DisplayUnitInfo struct for |display|.
31 extensions::api::system_display::DisplayUnitInfo*
32 CreateDisplayUnitInfo(const gfx::Display& display, int64 primary_display_id) {
33 extensions::api::system_display::DisplayUnitInfo* unit =
34 new extensions::api::system_display::DisplayUnitInfo();
35 const gfx::Rect& bounds = display.bounds();
36 const gfx::Rect& work_area = display.work_area();
37 unit->id = base::Int64ToString(display.id());
38 unit->is_primary = (display.id() == primary_display_id);
39 unit->is_internal = display.IsInternal();
40 unit->is_enabled = true;
41 unit->rotation = RotationToDegrees(display.rotation());
42 unit->bounds.left = bounds.x();
43 unit->bounds.top = bounds.y();
44 unit->bounds.width = bounds.width();
45 unit->bounds.height = bounds.height();
46 unit->work_area.left = work_area.x();
47 unit->work_area.top = work_area.y();
48 unit->work_area.width = work_area.width();
49 unit->work_area.height = work_area.height();
53 DisplayInfoProvider* g_display_info_provider = NULL;
58 DisplayInfoProvider::DisplayInfoProvider() {}
60 DisplayInfoProvider::~DisplayInfoProvider() {}
62 DisplayInfoProvider* DisplayInfoProvider::Get() {
63 if (g_display_info_provider == NULL)
64 g_display_info_provider = new DisplayInfoProvider();
65 return g_display_info_provider;
68 void DisplayInfoProvider::InitializeForTesting(
69 DisplayInfoProvider* display_info_provider) {
70 DCHECK(display_info_provider);
71 g_display_info_provider = display_info_provider;
74 DisplayInfo DisplayInfoProvider::GetAllDisplaysInfo() {
75 // TODO(scottmg): Native is wrong http://crbug.com/133312
76 gfx::Screen* screen = gfx::Screen::GetNativeScreen();
77 int64 primary_id = screen->GetPrimaryDisplay().id();
78 std::vector<gfx::Display> displays = screen->GetAllDisplays();
79 DisplayInfo all_displays;
80 for (int i = 0; i < screen->GetNumDisplays(); ++i) {
81 linked_ptr<extensions::api::system_display::DisplayUnitInfo> unit(
82 CreateDisplayUnitInfo(displays[i], primary_id));
83 UpdateDisplayUnitInfoForPlatform(displays[i], unit.get());
84 all_displays.push_back(unit);
89 } // namespace extensions