1 /*
2 * Copyright (C) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "accessibility_display_manager.h"
17 #include "accessible_ability_manager_service.h"
18 #include "hilog_wrapper.h"
19 #include "accessibility_ut_helper.h"
20
21 namespace OHOS {
22 namespace Accessibility {
23
24 constexpr int32_t DEFAULT_DPI = 540;
25 constexpr int32_t DEFAULT_WIDTH = 1260;
26 constexpr int32_t DEFAULT_HEIGHT = 2720;
27 constexpr float NORMAL_SCALE = 1.0f;
28
AccessibilityDisplayManager()29 AccessibilityDisplayManager::AccessibilityDisplayManager()
30 {
31 }
32
~AccessibilityDisplayManager()33 AccessibilityDisplayManager::~AccessibilityDisplayManager()
34 {
35 UnregisterDisplayListener();
36 }
37
GetDisplay(uint64_t id)38 const sptr<Rosen::Display> AccessibilityDisplayManager::GetDisplay(uint64_t id)
39 {
40 HILOG_DEBUG();
41 return Rosen::DisplayManager::GetInstance().GetDisplayById(id);
42 }
43
GetDisplays()44 std::vector<sptr<Rosen::Display>> AccessibilityDisplayManager::GetDisplays()
45 {
46 HILOG_DEBUG();
47 return Rosen::DisplayManager::GetInstance().GetAllDisplays();
48 }
49
GetDefaultDisplay()50 const sptr<Rosen::Display> AccessibilityDisplayManager::GetDefaultDisplay()
51 {
52 HILOG_DEBUG();
53 return Rosen::DisplayManager::GetInstance().GetDefaultDisplay();
54 }
55
GetDefaultDisplayId()56 uint64_t AccessibilityDisplayManager::GetDefaultDisplayId()
57 {
58 HILOG_DEBUG();
59 return Rosen::DisplayManager::GetInstance().GetDefaultDisplayId();
60 }
61
GetWidth()62 int32_t AccessibilityDisplayManager::GetWidth()
63 {
64 HILOG_DEBUG();
65 sptr<Rosen::Display> displaySync = GetDefaultDisplaySync();
66 if (displaySync == nullptr) {
67 HILOG_ERROR("default displaySync is null");
68 return DEFAULT_WIDTH;
69 }
70
71 return displaySync->GetWidth();
72 }
73
GetHeight()74 int32_t AccessibilityDisplayManager::GetHeight()
75 {
76 HILOG_DEBUG();
77 sptr<Rosen::Display> displaySync = GetDefaultDisplaySync();
78 if (displaySync == nullptr) {
79 HILOG_ERROR("default displaySync is null");
80 return DEFAULT_HEIGHT;
81 }
82
83 return displaySync->GetHeight();
84 }
85
GetOrientation()86 OHOS::Rosen::DisplayOrientation AccessibilityDisplayManager::GetOrientation()
87 {
88 HILOG_DEBUG();
89 sptr<Rosen::Display> displaySync = GetDefaultDisplaySync();
90 if (displaySync == nullptr) {
91 HILOG_ERROR("default displaySync is null");
92 return OHOS::Rosen::DisplayOrientation::PORTRAIT;
93 }
94
95 auto displayInfo = displaySync->GetDisplayInfo();
96 if (displayInfo == nullptr) {
97 HILOG_ERROR("default displayInfo is null");
98 return OHOS::Rosen::DisplayOrientation::PORTRAIT;
99 }
100
101 return displayInfo->GetDisplayOrientation();
102 }
103
GetDefaultDisplaySync()104 sptr<Rosen::Display> AccessibilityDisplayManager::GetDefaultDisplaySync()
105 {
106 HILOG_DEBUG();
107 return Rosen::DisplayManager::GetInstance().GetDefaultDisplaySync();
108 }
109
GetDefaultDisplayDpi()110 int32_t AccessibilityDisplayManager::GetDefaultDisplayDpi()
111 {
112 HILOG_DEBUG();
113 if (GetDefaultDisplay() == nullptr) {
114 HILOG_ERROR("default display is null");
115 return DEFAULT_DPI;
116 }
117
118 return GetDefaultDisplay()->GetDpi();
119 }
120
IsFoldable()121 bool AccessibilityDisplayManager::IsFoldable()
122 {
123 HILOG_DEBUG();
124 return Rosen::DisplayManager::GetInstance().IsFoldable();
125 }
126
GetFoldDisplayMode()127 Rosen::FoldDisplayMode AccessibilityDisplayManager::GetFoldDisplayMode()
128 {
129 HILOG_DEBUG();
130 return Rosen::DisplayManager::GetInstance().GetFoldDisplayMode();
131 }
132
GetFoldStatus()133 Rosen::FoldStatus AccessibilityDisplayManager::GetFoldStatus()
134 {
135 HILOG_DEBUG();
136 return Rosen::DisplayManager::GetInstance().GetFoldStatus();
137 }
138
SetDisplayScale(const uint64_t screenId,float scaleX,float scaleY,float pivotX,float pivotY)139 void AccessibilityDisplayManager::SetDisplayScale(const uint64_t screenId,
140 float scaleX, float scaleY, float pivotX, float pivotY)
141 {
142 HILOG_DEBUG("scaleX = %{public}f, scaleY = %{public}f, pivotX = %{public}f, pivotY = %{public}f",
143 scaleX, scaleY, pivotX, pivotY);
144 if ((scaleX >= DEFAULT_SCALE) || (scaleY >= DEFAULT_SCALE)) {
145 Accessibility::AccessibilityAbilityHelper::GetInstance().SetZoomState(true);
146 }
147
148 if ((scaleX == NORMAL_SCALE) || (scaleY == NORMAL_SCALE)) {
149 Accessibility::AccessibilityAbilityHelper::GetInstance().SetZoomState(false);
150 }
151 }
152
RegisterDisplayListener(const std::shared_ptr<MagnificationManager> & manager)153 void AccessibilityDisplayManager::RegisterDisplayListener(
154 const std::shared_ptr<MagnificationManager> &manager)
155 {
156 HILOG_DEBUG();
157 if (listener_) {
158 HILOG_DEBUG("Display listener is already registed!");
159 return;
160 }
161 listener_ = new(std::nothrow) DisplayListener(manager);
162 if (!listener_) {
163 HILOG_ERROR("Create display listener fail!");
164 return;
165 }
166 Rosen::DisplayManager::GetInstance().RegisterDisplayListener(listener_);
167 }
168
UnregisterDisplayListener()169 void AccessibilityDisplayManager::UnregisterDisplayListener()
170 {
171 HILOG_DEBUG();
172 if (listener_) {
173 Rosen::DisplayManager::GetInstance().UnregisterDisplayListener(listener_);
174 listener_ = nullptr;
175 handler_ = nullptr;
176 }
177 }
178 } // namespace Accessibility
179 } // namespace OHOS