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 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_TEXT_FIELD_PATTERN_MAGNIFIER_CONTROLLER_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_TEXT_FIELD_PATTERN_MAGNIFIER_CONTROLLER_H 18 19 #include "base/memory/type_info_base.h" 20 #include "base/geometry/ng/offset_t.h" 21 #include "base/geometry/ng/size_t.h" 22 #include "base/memory/ace_type.h" 23 #include "base/memory/referenced.h" 24 #include "core/components_ng/pattern/pattern.h" 25 #include "core/components_ng/render/drawing_forward.h" 26 #include "frameworks/base/memory/referenced.h" 27 28 namespace OHOS::Ace::NG { 29 30 class MagnifierController : public virtual AceType { 31 DECLARE_ACE_TYPE(MagnifierController, AceType); 32 33 public: MagnifierController(const WeakPtr<Pattern> & pattern)34 explicit MagnifierController(const WeakPtr<Pattern>& pattern) : pattern_(pattern) {} 35 ~MagnifierController() override = default; 36 37 void OpenMagnifier(); 38 void CloseMagnifier(); 39 40 bool UpdateMagnifierOffsetX(OffsetF& magnifierPaintOffset, VectorF& magnifierOffset, 41 const OffsetF& basePaintOffset); 42 bool UpdateMagnifierOffsetY(OffsetF& magnifierPaintOffset, VectorF& magnifierOffset, 43 const OffsetF& basePaintOffset); 44 bool UpdateMagnifierOffset(); 45 46 void UpdateShowMagnifier(bool isShowMagnifier = false); 47 GetShowMagnifier()48 bool GetShowMagnifier() const 49 { 50 return isShowMagnifier_; 51 } 52 53 void SetLocalOffset(OffsetF localOffset, std::optional<OffsetF> localOffsetWithoutTrans = std::nullopt) 54 { 55 localOffset_.SetX(localOffset.GetX()); 56 localOffset_.SetY(localOffset.GetY()); 57 localOffsetWithoutTrans_ = localOffsetWithoutTrans; 58 magnifierNodeExist_ = true; 59 UpdateShowMagnifier(true); 60 } 61 GetLocalOffset()62 OffsetF GetLocalOffset() const 63 { 64 return localOffset_; 65 } 66 GetLocalOffsetWithoutTrans()67 std::optional<OffsetF> GetLocalOffsetWithoutTrans() const 68 { 69 return localOffsetWithoutTrans_; 70 } 71 GetMagnifierNode()72 RefPtr<FrameNode> GetMagnifierNode() const 73 { 74 return magnifierFrameNode_; 75 } 76 void ChangeMagnifierVisibility(const bool& visible); 77 78 void InitMagnifierParams(); 79 80 uint32_t ArgbToRgba(const uint32_t& color); 81 82 void RemoveMagnifierFrameNode(); 83 SetColorModeChange(const bool & colorModeChange)84 void SetColorModeChange(const bool& colorModeChange) 85 { 86 colorModeChange_ = colorModeChange; 87 } 88 RefPtr<FrameNode> GetRootNode(); 89 90 RefPtr<UINode> FindWindowScene(const RefPtr<FrameNode>& targetNode); 91 GetMagnifierNodeExist()92 bool GetMagnifierNodeExist() const 93 { 94 return magnifierNodeExist_; 95 } 96 SetHostViewPort(const RectF & viewPort)97 void SetHostViewPort(const RectF& viewPort) 98 { 99 hostViewPort_ = viewPort; 100 } 101 102 RectF GetViewPort(const RefPtr<FrameNode>& host); 103 private: 104 bool IsLocalOffsetInHostRange(const RefPtr<FrameNode>& host); 105 106 MagnifierParams params_; 107 bool visible_ = false; 108 void CreateMagnifierChildNode(); 109 RefPtr<FrameNode> magnifierFrameNode_ = nullptr; 110 bool isShowMagnifier_ = false; 111 OffsetF localOffset_; 112 std::optional<OffsetF> localOffsetWithoutTrans_; 113 WeakPtr<Pattern> pattern_; 114 bool removeFrameNode_ = false; 115 bool colorModeChange_ = false; 116 bool magnifierNodeExist_ = false; 117 Dimension magnifierNodeWidth_; 118 Dimension magnifierNodeHeight_; 119 std::optional<RectF> hostViewPort_; 120 }; 121 } // namespace OHOS::Ace::NG 122 123 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_TEXT_FIELD_PATTERN_MAGNIFIER_CONTROLLER_H 124