• file
• revisions
• annotate
• diff
• comparison
• raw

widget/windows/nsWindowBase.h@ac0c01689b40 (annotated)

widget/windows/nsWindowBase.h

Thu, 15 Jan 2015 15:59:08 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 15 Jan 2015 15:59:08 +0100

branch

TOR_BUG_9701

changeset 10

ac0c01689b40

permissions

-rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

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_