display_manager_test_api.cc revision 68043e1e95eeb07d5cae7aca370b26518b0867d6 
1// Copyright (c) 2012 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.
4
5#include "ash/test/display_manager_test_api.h"
6
7#include <vector>
8
9#include "ash/display/display_info.h"
10#include "ash/display/display_manager.h"
11#include "ash/shell.h"
12#include "base/strings/string_split.h"
13#include "ui/aura/root_window.h"
14#include "ui/gfx/display.h"
15
16namespace ash {
17namespace test {
18typedef std::vector<gfx::Display> DisplayList;
19typedef internal::DisplayInfo DisplayInfo;
20typedef std::vector<DisplayInfo> DisplayInfoList;
21
22namespace {
23
24std::vector<DisplayInfo> CreateDisplayInfoListFromString(
25    const std::string specs,
26    internal::DisplayManager* display_manager) {
27  std::vector<DisplayInfo> display_info_list;
28  std::vector<std::string> parts;
29  base::SplitString(specs, ',', &parts);
30  size_t index = 0;
31  for (std::vector<std::string>::const_iterator iter = parts.begin();
32       iter != parts.end(); ++iter, ++index) {
33    int64 id = index < display_manager->GetNumDisplays() ?
34        display_manager->GetDisplayAt(index).id() :
35        gfx::Display::kInvalidDisplayID;
36    display_info_list.push_back(
37        DisplayInfo::CreateFromSpecWithID(*iter, id));
38  }
39  return display_info_list;
40}
41
42}  // namespace
43
44DisplayManagerTestApi::DisplayManagerTestApi(
45    internal::DisplayManager* display_manager)
46        : display_manager_(display_manager) {
47}
48
49DisplayManagerTestApi::~DisplayManagerTestApi() {}
50
51void DisplayManagerTestApi::UpdateDisplay(
52    const std::string& display_specs) {
53  std::vector<DisplayInfo> display_info_list =
54      CreateDisplayInfoListFromString(display_specs, display_manager_);
55  bool is_host_origin_set = false;
56  for (size_t i = 0; i < display_info_list.size(); ++i) {
57    const DisplayInfo& display_info = display_info_list[i];
58    if (display_info.bounds_in_native().origin() != gfx::Point(0, 0)) {
59      is_host_origin_set = true;
60      break;
61    }
62  }
63
64  // On non-testing environment, when a secondary display is connected, a new
65  // native (i.e. X) window for the display is always created below the
66  // previous one for GPU performance reasons. Try to emulate the behavior
67  // unless host origins are explicitly set.
68  if (!is_host_origin_set) {
69    // Sart from (1,1) so that windows won't overlap with native mouse cursor.
70    // See |AshTestBase::SetUp()|.
71    int next_y = 1;
72    for (std::vector<DisplayInfo>::iterator iter = display_info_list.begin();
73         iter != display_info_list.end(); ++iter) {
74      gfx::Rect bounds(iter->bounds_in_native().size());
75      bounds.set_x(1);
76      bounds.set_y(next_y);
77      next_y += bounds.height();
78      iter->SetBounds(bounds);
79    }
80  }
81
82  display_manager_->OnNativeDisplaysChanged(display_info_list);
83}
84
85int64 DisplayManagerTestApi::SetFirstDisplayAsInternalDisplay() {
86  const gfx::Display& internal = display_manager_->displays_[0];
87  gfx::Display::SetInternalDisplayId(internal.id());
88  return gfx::Display::InternalDisplayId();
89}
90
91void DisplayManagerTestApi::DisableChangeDisplayUponHostResize() {
92  display_manager_->set_change_display_upon_host_resize(false);
93}
94
95}  // namespace test
96}  // namespace ash
97