gecko-dev/dom/base/nsQueryContentEventResult.cpp
2011-10-17 10:59:28 -04:00

185 lines
5.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Mozilla Japan.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Masayuki Nakano <masayuki@d-toybox.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsQueryContentEventResult.h"
#include "nsGUIEvent.h"
#include "nsIWidget.h"
#include "nsPoint.h"
NS_INTERFACE_MAP_BEGIN(nsQueryContentEventResult)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIQueryContentEventResult)
NS_INTERFACE_MAP_ENTRY(nsIQueryContentEventResult)
NS_INTERFACE_MAP_END
NS_IMPL_ADDREF(nsQueryContentEventResult)
NS_IMPL_RELEASE(nsQueryContentEventResult)
nsQueryContentEventResult::nsQueryContentEventResult() :
mEventID(0), mSucceeded(false)
{
}
nsQueryContentEventResult::~nsQueryContentEventResult()
{
}
NS_IMETHODIMP
nsQueryContentEventResult::GetOffset(PRUint32 *aOffset)
{
bool notFound;
nsresult rv = GetNotFound(&notFound);
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(!notFound, NS_ERROR_NOT_AVAILABLE);
*aOffset = mOffset;
return NS_OK;
}
static bool IsRectEnabled(PRUint32 aEventID)
{
return aEventID == NS_QUERY_CARET_RECT ||
aEventID == NS_QUERY_TEXT_RECT ||
aEventID == NS_QUERY_EDITOR_RECT ||
aEventID == NS_QUERY_CHARACTER_AT_POINT;
}
NS_IMETHODIMP
nsQueryContentEventResult::GetReversed(bool *aReversed)
{
NS_ENSURE_TRUE(mSucceeded, NS_ERROR_NOT_AVAILABLE);
NS_ENSURE_TRUE(mEventID == NS_QUERY_SELECTED_TEXT,
NS_ERROR_NOT_AVAILABLE);
*aReversed = mReversed;
return NS_OK;
}
NS_IMETHODIMP
nsQueryContentEventResult::GetLeft(PRInt32 *aLeft)
{
NS_ENSURE_TRUE(mSucceeded, NS_ERROR_NOT_AVAILABLE);
NS_ENSURE_TRUE(IsRectEnabled(mEventID),
NS_ERROR_NOT_AVAILABLE);
*aLeft = mRect.x;
return NS_OK;
}
NS_IMETHODIMP
nsQueryContentEventResult::GetWidth(PRInt32 *aWidth)
{
NS_ENSURE_TRUE(mSucceeded, NS_ERROR_NOT_AVAILABLE);
NS_ENSURE_TRUE(IsRectEnabled(mEventID),
NS_ERROR_NOT_AVAILABLE);
*aWidth = mRect.width;
return NS_OK;
}
NS_IMETHODIMP
nsQueryContentEventResult::GetTop(PRInt32 *aTop)
{
NS_ENSURE_TRUE(mSucceeded, NS_ERROR_NOT_AVAILABLE);
NS_ENSURE_TRUE(IsRectEnabled(mEventID),
NS_ERROR_NOT_AVAILABLE);
*aTop = mRect.y;
return NS_OK;
}
NS_IMETHODIMP
nsQueryContentEventResult::GetHeight(PRInt32 *aHeight)
{
NS_ENSURE_TRUE(mSucceeded, NS_ERROR_NOT_AVAILABLE);
NS_ENSURE_TRUE(IsRectEnabled(mEventID),
NS_ERROR_NOT_AVAILABLE);
*aHeight = mRect.height;
return NS_OK;
}
NS_IMETHODIMP
nsQueryContentEventResult::GetText(nsAString &aText)
{
NS_ENSURE_TRUE(mSucceeded, NS_ERROR_NOT_AVAILABLE);
NS_ENSURE_TRUE(mEventID == NS_QUERY_SELECTED_TEXT ||
mEventID == NS_QUERY_TEXT_CONTENT,
NS_ERROR_NOT_AVAILABLE);
aText = mString;
return NS_OK;
}
NS_IMETHODIMP
nsQueryContentEventResult::GetSucceeded(bool *aSucceeded)
{
NS_ENSURE_TRUE(mEventID != 0, NS_ERROR_NOT_INITIALIZED);
*aSucceeded = mSucceeded;
return NS_OK;
}
NS_IMETHODIMP
nsQueryContentEventResult::GetNotFound(bool *aNotFound)
{
NS_ENSURE_TRUE(mSucceeded, NS_ERROR_NOT_AVAILABLE);
NS_ENSURE_TRUE(mEventID == NS_QUERY_SELECTED_TEXT ||
mEventID == NS_QUERY_CHARACTER_AT_POINT,
NS_ERROR_NOT_AVAILABLE);
*aNotFound = (mOffset == nsQueryContentEvent::NOT_FOUND);
return NS_OK;
}
void
nsQueryContentEventResult::SetEventResult(nsIWidget* aWidget,
const nsQueryContentEvent &aEvent)
{
mEventID = aEvent.message;
mSucceeded = aEvent.mSucceeded;
mReversed = aEvent.mReply.mReversed;
mRect = aEvent.mReply.mRect;
mOffset = aEvent.mReply.mOffset;
mString = aEvent.mReply.mString;
if (!IsRectEnabled(mEventID) || !aWidget || !mSucceeded) {
return;
}
nsIWidget* topWidget = aWidget->GetTopLevelWidget();
if (!topWidget || topWidget == aWidget) {
return;
}
// Convert the top widget related coordinates to the given widget's.
nsIntPoint offset =
aWidget->WidgetToScreenOffset() - topWidget->WidgetToScreenOffset();
mRect.MoveBy(-offset);
}