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dom/events/ClipboardEvent.cpp@6474c204b198 (annotated)

dom/events/ClipboardEvent.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

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
michael@0	6	#include "mozilla/dom/ClipboardEvent.h"
michael@0	7	#include "mozilla/ContentEvents.h"
michael@0	8	#include "mozilla/dom/DataTransfer.h"
michael@0	9	#include "nsIClipboard.h"
michael@0	10
michael@0	11	namespace mozilla {
michael@0	12	namespace dom {
michael@0	13
michael@0	14	ClipboardEvent::ClipboardEvent(EventTarget* aOwner,
michael@0	15	nsPresContext* aPresContext,
michael@0	16	InternalClipboardEvent* aEvent)
michael@0	17	: Event(aOwner, aPresContext,
michael@0	18	aEvent ? aEvent : new InternalClipboardEvent(false, 0))
michael@0	19	{
michael@0	20	if (aEvent) {
michael@0	21	mEventIsInternal = false;
michael@0	22	} else {
michael@0	23	mEventIsInternal = true;
michael@0	24	mEvent->time = PR_Now();
michael@0	25	}
michael@0	26	}
michael@0	27
michael@0	28	NS_INTERFACE_MAP_BEGIN(ClipboardEvent)
michael@0	29	NS_INTERFACE_MAP_ENTRY(nsIDOMClipboardEvent)
michael@0	30	NS_INTERFACE_MAP_END_INHERITING(Event)
michael@0	31
michael@0	32	NS_IMPL_ADDREF_INHERITED(ClipboardEvent, Event)
michael@0	33	NS_IMPL_RELEASE_INHERITED(ClipboardEvent, Event)
michael@0	34
michael@0	35	nsresult
michael@0	36	ClipboardEvent::InitClipboardEvent(const nsAString& aType,
michael@0	37	bool aCanBubble,
michael@0	38	bool aCancelable,
michael@0	39	nsIDOMDataTransfer* aClipboardData)
michael@0	40	{
michael@0	41	nsCOMPtr<DataTransfer> clipboardData = do_QueryInterface(aClipboardData);
michael@0	42	// Null clipboardData is OK
michael@0	43
michael@0	44	ErrorResult rv;
michael@0	45	InitClipboardEvent(aType, aCanBubble, aCancelable, clipboardData, rv);
michael@0	46
michael@0	47	return rv.ErrorCode();
michael@0	48	}
michael@0	49
michael@0	50	void
michael@0	51	ClipboardEvent::InitClipboardEvent(const nsAString& aType, bool aCanBubble,
michael@0	52	bool aCancelable,
michael@0	53	DataTransfer* aClipboardData,
michael@0	54	ErrorResult& aError)
michael@0	55	{
michael@0	56	aError = Event::InitEvent(aType, aCanBubble, aCancelable);
michael@0	57	if (aError.Failed()) {
michael@0	58	return;
michael@0	59	}
michael@0	60
michael@0	61	mEvent->AsClipboardEvent()->clipboardData = aClipboardData;
michael@0	62	}
michael@0	63
michael@0	64	already_AddRefed<ClipboardEvent>
michael@0	65	ClipboardEvent::Constructor(const GlobalObject& aGlobal,
michael@0	66	const nsAString& aType,
michael@0	67	const ClipboardEventInit& aParam,
michael@0	68	ErrorResult& aRv)
michael@0	69	{
michael@0	70	nsCOMPtr<EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
michael@0	71	nsRefPtr<ClipboardEvent> e = new ClipboardEvent(t, nullptr, nullptr);
michael@0	72	bool trusted = e->Init(t);
michael@0	73
michael@0	74	nsRefPtr<DataTransfer> clipboardData;
michael@0	75	if (e->mEventIsInternal) {
michael@0	76	InternalClipboardEvent* event = e->mEvent->AsClipboardEvent();
michael@0	77	if (event) {
michael@0	78	// Always create a clipboardData for the copy event. If this is changed to
michael@0	79	// support other types of events, make sure that read/write privileges are
michael@0	80	// checked properly within DataTransfer.
michael@0	81	clipboardData = new DataTransfer(ToSupports(e), NS_COPY, false, -1);
michael@0	82	clipboardData->SetData(aParam.mDataType, aParam.mData);
michael@0	83	}
michael@0	84	}
michael@0	85
michael@0	86	e->InitClipboardEvent(aType, aParam.mBubbles, aParam.mCancelable,
michael@0	87	clipboardData, aRv);
michael@0	88	e->SetTrusted(trusted);
michael@0	89	return e.forget();
michael@0	90	}
michael@0	91
michael@0	92	NS_IMETHODIMP
michael@0	93	ClipboardEvent::GetClipboardData(nsIDOMDataTransfer** aClipboardData)
michael@0	94	{
michael@0	95	NS_IF_ADDREF(*aClipboardData = GetClipboardData());
michael@0	96	return NS_OK;
michael@0	97	}
michael@0	98
michael@0	99	DataTransfer*
michael@0	100	ClipboardEvent::GetClipboardData()
michael@0	101	{
michael@0	102	InternalClipboardEvent* event = mEvent->AsClipboardEvent();
michael@0	103
michael@0	104	if (!event->clipboardData) {
michael@0	105	if (mEventIsInternal) {
michael@0	106	event->clipboardData =
michael@0	107	new DataTransfer(ToSupports(this), NS_COPY, false, -1);
michael@0	108	} else {
michael@0	109	event->clipboardData =
michael@0	110	new DataTransfer(ToSupports(this), event->message,
michael@0	111	event->message == NS_PASTE,
michael@0	112	nsIClipboard::kGlobalClipboard);
michael@0	113	}
michael@0	114	}
michael@0	115
michael@0	116	return event->clipboardData;
michael@0	117	}
michael@0	118
michael@0	119	} // namespace dom
michael@0	120	} // namespace mozilla
michael@0	121
michael@0	122	using namespace mozilla;
michael@0	123	using namespace mozilla::dom;
michael@0	124
michael@0	125	nsresult
michael@0	126	NS_NewDOMClipboardEvent(nsIDOMEvent** aInstancePtrResult,
michael@0	127	EventTarget* aOwner,
michael@0	128	nsPresContext* aPresContext,
michael@0	129	InternalClipboardEvent* aEvent)
michael@0	130	{
michael@0	131	ClipboardEvent* it = new ClipboardEvent(aOwner, aPresContext, aEvent);
michael@0	132	NS_ADDREF(it);
michael@0	133	*aInstancePtrResult = static_cast<Event*>(it);
michael@0	134	return NS_OK;
michael@0	135	}