widget/windows/nsWindowBase.h

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #ifndef nsWindowBase_h_
michael@0 7 #define nsWindowBase_h_
michael@0 8
michael@0 9 #include "mozilla/EventForwards.h"
michael@0 10 #include "nsBaseWidget.h"
michael@0 11 #include "nsClassHashtable.h"
michael@0 12
michael@0 13 #include <windows.h>
michael@0 14 #include "touchinjection_sdk80.h"
michael@0 15
michael@0 16 /*
michael@0 17 * nsWindowBase - Base class of common methods other classes need to access
michael@0 18 * in both win32 and winrt window classes.
michael@0 19 */
michael@0 20 class nsWindowBase : public nsBaseWidget
michael@0 21 {
michael@0 22 public:
michael@0 23 /*
michael@0 24 * Return the HWND or null for this widget.
michael@0 25 */
michael@0 26 virtual HWND GetWindowHandle() MOZ_FINAL {
michael@0 27 return static_cast<HWND>(GetNativeData(NS_NATIVE_WINDOW));
michael@0 28 }
michael@0 29
michael@0 30 /*
michael@0 31 * Return the parent window, if it exists.
michael@0 32 */
michael@0 33 virtual nsWindowBase* GetParentWindowBase(bool aIncludeOwner) = 0;
michael@0 34
michael@0 35 /*
michael@0 36 * Return true if this is a top level widget.
michael@0 37 */
michael@0 38 virtual bool IsTopLevelWidget() = 0;
michael@0 39
michael@0 40 /*
michael@0 41 * Init a standard gecko event for this widget.
michael@0 42 * @param aEvent the event to initialize.
michael@0 43 * @param aPoint message position in physical coordinates.
michael@0 44 */
michael@0 45 virtual void InitEvent(mozilla::WidgetGUIEvent& aEvent,
michael@0 46 nsIntPoint* aPoint = nullptr) = 0;
michael@0 47
michael@0 48 /*
michael@0 49 * Dispatch a gecko event for this widget.
michael@0 50 * Returns true if it's consumed. Otherwise, false.
michael@0 51 */
michael@0 52 virtual bool DispatchWindowEvent(mozilla::WidgetGUIEvent* aEvent) = 0;
michael@0 53
michael@0 54 /*
michael@0 55 * Dispatch a gecko keyboard event for this widget. This
michael@0 56 * is called by KeyboardLayout to dispatch gecko events.
michael@0 57 * Returns true if it's consumed. Otherwise, false.
michael@0 58 */
michael@0 59 virtual bool DispatchKeyboardEvent(mozilla::WidgetGUIEvent* aEvent) = 0;
michael@0 60
michael@0 61 /*
michael@0 62 * Dispatch a gecko scroll event for this widget. This
michael@0 63 * is called by ScrollHandler to dispatch gecko events.
michael@0 64 * Returns true if it's consumed. Otherwise, false.
michael@0 65 */
michael@0 66 virtual bool DispatchScrollEvent(mozilla::WidgetGUIEvent* aEvent) = 0;
michael@0 67
michael@0 68 /*
michael@0 69 * Default dispatch of a plugin event.
michael@0 70 */
michael@0 71 virtual bool DispatchPluginEvent(const MSG& aMsg);
michael@0 72
michael@0 73 /*
michael@0 74 * Returns true if a plugin has focus on this widget. Otherwise, false.
michael@0 75 */
michael@0 76 virtual bool PluginHasFocus() const MOZ_FINAL
michael@0 77 {
michael@0 78 return (mInputContext.mIMEState.mEnabled == IMEState::PLUGIN);
michael@0 79 }
michael@0 80
michael@0 81 /*
michael@0 82 * Touch input injection apis
michael@0 83 */
michael@0 84 virtual nsresult SynthesizeNativeTouchPoint(uint32_t aPointerId,
michael@0 85 TouchPointerState aPointerState,
michael@0 86 nsIntPoint aPointerScreenPoint,
michael@0 87 double aPointerPressure,
michael@0 88 uint32_t aPointerOrientation);
michael@0 89 virtual nsresult ClearNativeTouchSequence();
michael@0 90
michael@0 91 /*
michael@0 92 * WM_APPCOMMAND common handler. Sends events via DispatchWindowEvent.
michael@0 93 */
michael@0 94 virtual bool HandleAppCommandMsg(WPARAM aWParam,
michael@0 95 LPARAM aLParam,
michael@0 96 LRESULT *aRetValue);
michael@0 97
michael@0 98 protected:
michael@0 99 bool DispatchCommandEvent(uint32_t aEventCommand);
michael@0 100 static bool InitTouchInjection();
michael@0 101 bool InjectTouchPoint(uint32_t aId, nsIntPoint& aPointerScreenPoint,
michael@0 102 POINTER_FLAGS aFlags, uint32_t aPressure = 1024,
michael@0 103 uint32_t aOrientation = 90);
michael@0 104
michael@0 105 class PointerInfo
michael@0 106 {
michael@0 107 public:
michael@0 108 PointerInfo(int32_t aPointerId, nsIntPoint& aPoint) :
michael@0 109 mPointerId(aPointerId),
michael@0 110 mPosition(aPoint)
michael@0 111 {
michael@0 112 }
michael@0 113
michael@0 114 int32_t mPointerId;
michael@0 115 nsIntPoint mPosition;
michael@0 116 };
michael@0 117
michael@0 118 static PLDHashOperator CancelTouchPoints(const unsigned int& aPointerId, nsAutoPtr<PointerInfo>& aInfo, void* aUserArg);
michael@0 119
michael@0 120 nsClassHashtable<nsUint32HashKey, PointerInfo> mActivePointers;
michael@0 121 static bool sTouchInjectInitialized;
michael@0 122 static InjectTouchInputPtr sInjectTouchFuncPtr;
michael@0 123
michael@0 124 protected:
michael@0 125 InputContext mInputContext;
michael@0 126 };
michael@0 127
michael@0 128 #endif // nsWindowBase_h_

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