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dom/base/nsScreen.h@b8a032363ba2 (annotated)

dom/base/nsScreen.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: 2; 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	#ifndef nsScreen_h___
michael@0	6	#define nsScreen_h___
michael@0	7
michael@0	8	#include "mozilla/Attributes.h"
michael@0	9	#include "mozilla/dom/ScreenOrientation.h"
michael@0	10	#include "mozilla/DOMEventTargetHelper.h"
michael@0	11	#include "mozilla/ErrorResult.h"
michael@0	12	#include "mozilla/HalScreenConfiguration.h"
michael@0	13	#include "nsIDOMScreen.h"
michael@0	14	#include "nsCOMPtr.h"
michael@0	15	#include "nsRect.h"
michael@0	16
michael@0	17	class nsDeviceContext;
michael@0	18
michael@0	19	// Script "screen" object
michael@0	20	class nsScreen : public mozilla::DOMEventTargetHelper
michael@0	21	, public nsIDOMScreen
michael@0	22	, public mozilla::hal::ScreenConfigurationObserver
michael@0	23	{
michael@0	24	typedef mozilla::ErrorResult ErrorResult;
michael@0	25	public:
michael@0	26	static already_AddRefed<nsScreen> Create(nsPIDOMWindow* aWindow);
michael@0	27
michael@0	28	NS_DECL_ISUPPORTS_INHERITED
michael@0	29	NS_DECL_NSIDOMSCREEN
michael@0	30	NS_REALLY_FORWARD_NSIDOMEVENTTARGET(mozilla::DOMEventTargetHelper)
michael@0	31
michael@0	32	nsPIDOMWindow* GetParentObject() const
michael@0	33	{
michael@0	34	return GetOwner();
michael@0	35	}
michael@0	36
michael@0	37	int32_t GetTop(ErrorResult& aRv)
michael@0	38	{
michael@0	39	nsRect rect;
michael@0	40	aRv = GetRect(rect);
michael@0	41	return rect.y;
michael@0	42	}
michael@0	43
michael@0	44	int32_t GetLeft(ErrorResult& aRv)
michael@0	45	{
michael@0	46	nsRect rect;
michael@0	47	aRv = GetRect(rect);
michael@0	48	return rect.x;
michael@0	49	}
michael@0	50
michael@0	51	int32_t GetWidth(ErrorResult& aRv)
michael@0	52	{
michael@0	53	nsRect rect;
michael@0	54	if (IsDeviceSizePageSize()) {
michael@0	55	nsCOMPtr<nsPIDOMWindow> owner = GetOwner();
michael@0	56	if (owner) {
michael@0	57	int32_t innerWidth = 0;
michael@0	58	aRv = owner->GetInnerWidth(&innerWidth);
michael@0	59	return innerWidth;
michael@0	60	}
michael@0	61	}
michael@0	62
michael@0	63	aRv = GetRect(rect);
michael@0	64	return rect.width;
michael@0	65	}
michael@0	66
michael@0	67	int32_t GetHeight(ErrorResult& aRv)
michael@0	68	{
michael@0	69	nsRect rect;
michael@0	70	if (IsDeviceSizePageSize()) {
michael@0	71	nsCOMPtr<nsPIDOMWindow> owner = GetOwner();
michael@0	72	if (owner) {
michael@0	73	int32_t innerHeight = 0;
michael@0	74	aRv = owner->GetInnerHeight(&innerHeight);
michael@0	75	return innerHeight;
michael@0	76	}
michael@0	77	}
michael@0	78
michael@0	79	aRv = GetRect(rect);
michael@0	80	return rect.height;
michael@0	81	}
michael@0	82
michael@0	83	int32_t GetPixelDepth(ErrorResult& aRv);
michael@0	84	int32_t GetColorDepth(ErrorResult& aRv)
michael@0	85	{
michael@0	86	return GetPixelDepth(aRv);
michael@0	87	}
michael@0	88
michael@0	89	int32_t GetAvailTop(ErrorResult& aRv)
michael@0	90	{
michael@0	91	nsRect rect;
michael@0	92	aRv = GetAvailRect(rect);
michael@0	93	return rect.y;
michael@0	94	}
michael@0	95
michael@0	96	int32_t GetAvailLeft(ErrorResult& aRv)
michael@0	97	{
michael@0	98	nsRect rect;
michael@0	99	aRv = GetAvailRect(rect);
michael@0	100	return rect.x;
michael@0	101	}
michael@0	102
michael@0	103	int32_t GetAvailWidth(ErrorResult& aRv)
michael@0	104	{
michael@0	105	nsRect rect;
michael@0	106	aRv = GetAvailRect(rect);
michael@0	107	return rect.width;
michael@0	108	}
michael@0	109
michael@0	110	int32_t GetAvailHeight(ErrorResult& aRv)
michael@0	111	{
michael@0	112	nsRect rect;
michael@0	113	aRv = GetAvailRect(rect);
michael@0	114	return rect.height;
michael@0	115	}
michael@0	116
michael@0	117	void GetMozOrientation(nsString& aOrientation);
michael@0	118
michael@0	119	IMPL_EVENT_HANDLER(mozorientationchange)
michael@0	120
michael@0	121	bool MozLockOrientation(const nsAString& aOrientation, ErrorResult& aRv);
michael@0	122	bool MozLockOrientation(const mozilla::dom::Sequence<nsString>& aOrientations, ErrorResult& aRv);
michael@0	123	void MozUnlockOrientation();
michael@0	124
michael@0	125	virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0	126
michael@0	127	void Notify(const mozilla::hal::ScreenConfiguration& aConfiguration);
michael@0	128
michael@0	129	protected:
michael@0	130	nsDeviceContext* GetDeviceContext();
michael@0	131	nsresult GetRect(nsRect& aRect);
michael@0	132	nsresult GetAvailRect(nsRect& aRect);
michael@0	133	bool IsChrome();
michael@0	134	nsresult GetDOMWindow(nsIDOMWindow **aResult);
michael@0	135	nsresult GetWindowInnerRect(nsRect& aRect);
michael@0	136
michael@0	137	mozilla::dom::ScreenOrientation mOrientation;
michael@0	138
michael@0	139	private:
michael@0	140	class FullScreenEventListener MOZ_FINAL : public nsIDOMEventListener
michael@0	141	{
michael@0	142	public:
michael@0	143	FullScreenEventListener() {};
michael@0	144
michael@0	145	NS_DECL_ISUPPORTS
michael@0	146	NS_DECL_NSIDOMEVENTLISTENER
michael@0	147	};
michael@0	148
michael@0	149	nsScreen(nsPIDOMWindow* aWindow);
michael@0	150	virtual ~nsScreen();
michael@0	151
michael@0	152	enum LockPermission {
michael@0	153	LOCK_DENIED,
michael@0	154	FULLSCREEN_LOCK_ALLOWED,
michael@0	155	LOCK_ALLOWED
michael@0	156	};
michael@0	157
michael@0	158	LockPermission GetLockOrientationPermission() const;
michael@0	159
michael@0	160	bool IsDeviceSizePageSize();
michael@0	161
michael@0	162	nsRefPtr<FullScreenEventListener> mEventListener;
michael@0	163	};
michael@0	164
michael@0	165	#endif /* nsScreen_h___ */