1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef nsDOMWindowUtils_h_ 8 #define nsDOMWindowUtils_h_ 9 10 #include "nsWeakReference.h" 11 12 #include "nsIDOMWindowUtils.h" 13 #include "mozilla/Attributes.h" 14 #include "mozilla/BasicEvents.h" 15 #include "mozilla/Result.h" 16 17 class nsGlobalWindowOuter; 18 class nsIDocShell; 19 class nsIWidget; 20 class nsPresContext; 21 class nsView; 22 struct nsPoint; 23 24 namespace mozilla { 25 class PresShell; 26 namespace dom { 27 class Document; 28 class Element; 29 } // namespace dom 30 namespace layers { 31 class LayerTransactionChild; 32 class WebRenderBridgeChild; 33 } // namespace layers 34 } // namespace mozilla 35 36 class nsTranslationNodeList final : public nsITranslationNodeList { 37 public: nsTranslationNodeList()38 nsTranslationNodeList() { 39 mNodes.SetCapacity(1000); 40 mNodeIsRoot.SetCapacity(1000); 41 mLength = 0; 42 } 43 44 NS_DECL_ISUPPORTS 45 NS_DECL_NSITRANSLATIONNODELIST 46 AppendElement(nsINode * aElement,bool aIsRoot)47 void AppendElement(nsINode* aElement, bool aIsRoot) { 48 mNodes.AppendElement(aElement); 49 mNodeIsRoot.AppendElement(aIsRoot); 50 mLength++; 51 } 52 53 private: 54 ~nsTranslationNodeList() = default; 55 56 nsTArray<nsCOMPtr<nsINode> > mNodes; 57 nsTArray<bool> mNodeIsRoot; 58 uint32_t mLength; 59 }; 60 61 class nsDOMWindowUtils final : public nsIDOMWindowUtils, 62 public nsSupportsWeakReference { 63 using TextEventDispatcher = mozilla::widget::TextEventDispatcher; 64 65 public: 66 explicit nsDOMWindowUtils(nsGlobalWindowOuter* aWindow); 67 NS_DECL_ISUPPORTS 68 NS_DECL_NSIDOMWINDOWUTILS 69 70 protected: 71 ~nsDOMWindowUtils(); 72 73 nsWeakPtr mWindow; 74 75 // If aOffset is non-null, it gets filled in with the offset of the root 76 // frame of our window to the nearest widget in the app units of our window. 77 // Add this offset to any event offset we're given to make it relative to the 78 // widget returned by GetWidget. 79 nsIWidget* GetWidget(nsPoint* aOffset = nullptr); 80 nsIWidget* GetWidgetForElement(mozilla::dom::Element* aElement); 81 82 nsIDocShell* GetDocShell(); 83 mozilla::PresShell* GetPresShell(); 84 nsPresContext* GetPresContext(); 85 mozilla::dom::Document* GetDocument(); 86 mozilla::layers::WebRenderBridgeChild* GetWebRenderBridge(); 87 mozilla::layers::CompositorBridgeChild* GetCompositorBridge(); 88 89 // Until callers are annotated. 90 MOZ_CAN_RUN_SCRIPT 91 NS_IMETHOD SendMouseEventCommon( 92 const nsAString& aType, float aX, float aY, int32_t aButton, 93 int32_t aClickCount, int32_t aModifiers, bool aIgnoreRootScrollFrame, 94 float aPressure, unsigned short aInputSourceArg, uint32_t aIdentifier, 95 bool aToWindow, bool* aPreventDefault, bool aIsDOMEventSynthesized, 96 bool aIsWidgetEventSynthesized, int32_t aButtons); 97 98 MOZ_CAN_RUN_SCRIPT 99 nsresult SendTouchEventCommon( 100 const nsAString& aType, const nsTArray<uint32_t>& aIdentifiers, 101 const nsTArray<int32_t>& aXs, const nsTArray<int32_t>& aYs, 102 const nsTArray<uint32_t>& aRxs, const nsTArray<uint32_t>& aRys, 103 const nsTArray<float>& aRotationAngles, const nsTArray<float>& aForces, 104 int32_t aModifiers, bool aIgnoreRootScrollFrame, bool aToWindow, 105 bool* aPreventDefault); 106 107 void ReportErrorMessageForWindow(const nsAString& aErrorMessage, 108 const char* aClassification, 109 bool aFromChrome); 110 111 private: 112 mozilla::Result<mozilla::ScreenRect, nsresult> ConvertToScreenRect( 113 float aX, float aY, float aWidth, float aHeight); 114 }; 115 116 #endif 117