1 /* 2 * Copyright (c) 2021 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_COMMON_EVENT_MANAGER_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_EVENT_MANAGER_H 18 19 #include <unordered_map> 20 21 #include "base/memory/ace_type.h" 22 #include "base/memory/referenced.h" 23 #include "core/event/axis_event.h" 24 #include "core/event/key_event.h" 25 #include "core/event/mouse_event.h" 26 #include "core/event/rotation_event.h" 27 #include "core/event/touch_event.h" 28 #include "core/focus/focus_node.h" 29 30 namespace OHOS::Ace { 31 32 class RenderNode; 33 class Element; 34 using MouseHoverTestList = std::list<WeakPtr<RenderNode>>; 35 36 class EventManager { 37 public: 38 // After the touch down event is triggered, the touch test is performed to collect the corresponding 39 // touch event target list. 40 void TouchTest( 41 const TouchEvent& touchPoint, const RefPtr<RenderNode>& renderNode, const TouchRestrict& touchRestrict); 42 43 bool DispatchTouchEvent(const TouchEvent& point); 44 45 // Distribute the key event to the corresponding root node. If the root node is not processed, return false and the 46 // platform will handle it. 47 bool DispatchKeyEvent(const KeyEvent& event, const RefPtr<FocusNode>& focusNode); 48 49 // Distribute the rotation event to the corresponding render tree or requested render node. If the render is not 50 // processed, return false and the platform will handle it. 51 static bool DispatchRotationEvent( 52 const RotationEvent& event, const RefPtr<RenderNode>& renderNode, const RefPtr<RenderNode>& requestFocusNode); 53 54 // mouse event target list. 55 void MouseTest(const MouseEvent& touchPoint, const RefPtr<RenderNode>& renderNode); 56 57 bool DispatchMouseEvent(const MouseEvent& event); 58 bool DispatchMouseHoverEvent(const MouseEvent& event); 59 60 void AxisTest(const AxisEvent& event, const RefPtr<RenderNode>& renderNode); 61 bool DispatchAxisEvent(const AxisEvent& event); 62 63 void ClearResults(); 64 65 private: 66 std::unordered_map<size_t, TouchTestResult> touchTestResults_; 67 std::unordered_map<size_t, MouseTestResult> mouseTestResults_; 68 MouseHoverTestList mouseHoverTestResults_; 69 MouseHoverTestList mouseHoverTestResultsPre_; 70 WeakPtr<RenderNode> mouseHoverNodePre_; 71 WeakPtr<RenderNode> mouseHoverNode_; 72 WeakPtr<RenderNode> axisNode_; 73 }; 74 75 } // namespace OHOS::Ace 76 77 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_EVENT_MANAGER_H 78