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pjs/minimo/components/softkb/nsSoftKeyBoard.cpp

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/* -*- 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 Software KeyBoard
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Doug Turner <dougt@meer.net>
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 ***** */
#ifdef WINCE
#include "windows.h"
#include "aygshell.h"
#endif
#include "memory.h"
#include "stdlib.h"
#include "nspr.h"
#include "nsXPCOM.h"
#include "nsCOMPtr.h"
#include "nsMemory.h"
#include "nsString.h"
#include "nsArray.h"
#include "nsIGenericFactory.h"
#include "nsIServiceManager.h"
#include "nsIObserver.h"
#include "nsIWindowWatcher.h"
#include "nsIDOMWindow.h"
#include "nsICategoryManager.h"
#include "nsIDOMWindow.h"
#include "nsIDOM3EventTarget.h"
#include "nsIDOMEventGroup.h"
#include "nsPIDOMWindow.h"
#include "nsIDOMEventReceiver.h"
#include "nsIDOMEvent.h"
#include "nsIDOMNSEvent.h"
#include "nsIContent.h"
#include "nsIFormControl.h"
#include "nsIDOMKeyEvent.h"
#include "nsIDOMEventListener.h"
#include "nsIPrefService.h"
#include "nsIPrefBranch2.h"
#include "nsITimer.h"
static PRBool gUseSoftwareKeyboard;
#ifdef WINCE
#include "keybd.h"
// **************************************************************************
// Function Name: IsSmartphone
//
// Purpose: Determine if platform is smartphone
//
// Arguments:
// none
//
// Return Values:
// BOOL
// TRUE if the current platform is a Smartphone platform
// FALSE if the current platform is not a Smartphone platform
//
// Description:
// This function retreives the current platforms type and then
// does a case insensitive string comparison.
static BOOL IsSmartphone()
{
unsigned short platform[64];
if (TRUE == SystemParametersInfo(SPI_GETPLATFORMTYPE,
sizeof(platform),
platform,
0))
{
if (0 == _wcsicmp(L"Smartphone", platform))
{
return TRUE;
}
}
return FALSE;
}
// The multitap API not accessible. We need a way to map
BYTE GetKeyPress(PRUint32 actualKey, PRUint32 pressCount)
{
BYTE ch = '*';
switch (actualKey)
{
case '1':
{
pressCount %= 8;
switch (pressCount)
{
case 1:
ch = '.';
break;
case 2:
ch = ',';
break;
case 3:
ch = '-';
break;
case 4:
ch = '?';
break;
case 5:
ch = '!';
break;
case 6:
ch = '\'';
break;
case 7:
ch = '@';
break;
case 0:
ch = ':';
break;
}
}
break;
case '2':
{
pressCount %= 3;
switch (pressCount)
{
case 1:
ch = 'a';
break;
case 2:
ch = 'b';
break;
case 0:
ch = 'c';
break;
}
}
break;
case '3':
{
pressCount %= 3;
switch (pressCount)
{
case 1:
ch = 'd';
break;
case 2:
ch = 'e';
break;
case 0:
ch = 'f';
break;
}
}
break;
case '4':
{
pressCount %= 3;
switch (pressCount)
{
case 1:
ch = 'g';
break;
case 2:
ch = 'h';
break;
case 0:
ch = 'i';
break;
}
}
break;
case '5':
{
pressCount %= 3;
switch (pressCount)
{
case 1:
ch = 'j';
break;
case 2:
ch = 'k';
break;
case 0:
ch = 'l';
break;
}
}
break;
case '6':
{
pressCount %= 3;
switch (pressCount)
{
case 1:
ch = 'm';
break;
case 2:
ch = 'n';
break;
case 0:
ch = 'o';
break;
}
}
break;
case '7':
{
pressCount %= 4;
switch (pressCount)
{
case 1:
ch = 'p';
break;
case 2:
ch = 'q';
break;
case 3:
ch = 'r';
break;
case 0:
ch = 's';
break;
}
}
break;
case '8':
{
pressCount %= 3;
switch (pressCount)
{
case 1:
ch = 't';
break;
case 2:
ch = 'u';
break;
case 0:
ch = 'v';
break;
}
}
break;
case '9':
{
pressCount %= 4;
switch (pressCount)
{
case 1:
ch = 'w';
break;
case 2:
ch = 'x';
break;
case 3:
ch = 'y';
break;
case 0:
ch = 'z';
break;
}
}
break;
}
return ch;
}
#endif
class nsSoftKeyBoard : public nsIDOMEventListener
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
nsSoftKeyBoard(class nsSoftKeyBoardService* aService);
nsresult Init(nsIDOMWindow *aWindow);
nsresult Shutdown();
nsresult GetAttachedWindow(nsIDOMWindow * *aAttachedWindow);
private:
~nsSoftKeyBoard();
PRBool ShouldOpenKeyboardFor(nsIDOMEvent* aEvent);
nsCOMPtr<nsIDOMWindow> mTopWindow;
class nsSoftKeyBoardService* mService;
enum
{
eNumbers = 0,
eLowerCase = 1,
eUpperCase = 2
};
PRUint32 mUsage;
PRUint32 mCurrentDigit;
PRInt32 mCurrentDigitCount;
nsCOMPtr<nsITimer> mTimer;
};
class nsSoftKeyBoardService: public nsIObserver
{
public:
nsSoftKeyBoardService();
virtual ~nsSoftKeyBoardService();
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
nsCOMArray<nsSoftKeyBoard> mObjects;
static void CloseSIP();
static void OpenSIP();
void HandlePref(const char* pref, nsIPrefBranch2* prefBranch);
};
NS_INTERFACE_MAP_BEGIN(nsSoftKeyBoard)
NS_INTERFACE_MAP_ENTRY(nsIDOMEventListener)
NS_INTERFACE_MAP_END
NS_IMPL_ADDREF(nsSoftKeyBoard)
NS_IMPL_RELEASE(nsSoftKeyBoard)
nsSoftKeyBoard::nsSoftKeyBoard(nsSoftKeyBoardService* aService)
{
NS_ASSERTION(aService, "Should not create this object without a valid service");
mService = aService; // back pointer -- no reference
mCurrentDigit = 0;
mCurrentDigitCount = 0;
mUsage = eLowerCase;
nsSoftKeyBoardService::CloseSIP();
}
nsSoftKeyBoard::~nsSoftKeyBoard()
{
}
#ifdef WINCE
void SoftKeyboardTimerCB(nsITimer *aTimer, void *aClosure)
{
UINT ch = (UINT) aClosure;
UINT flag = KeyStateDownFlag;
PostKeybdMessage( (HWND)-1,
0,
flag,
1,
&flag, /* ignore */
&ch);
}
#endif
NS_IMETHODIMP
nsSoftKeyBoard::HandleEvent(nsIDOMEvent* aEvent)
{
if (!aEvent)
return NS_OK;
nsCOMPtr<nsIDOMNSEvent> nsevent(do_QueryInterface(aEvent));
nsCOMPtr<nsIDOMEventTarget> target;
nsevent->GetOriginalTarget(getter_AddRefs(target));
nsCOMPtr<nsIContent> targetContent = do_QueryInterface(target);
if (!targetContent || !targetContent->IsContentOfType(nsIContent::eHTML_FORM_CONTROL))
return NS_OK;
nsCOMPtr<nsIFormControl> formControl(do_QueryInterface(targetContent));
if (!formControl)
return NS_OK;
PRInt32 controlType = formControl->GetType();
if (controlType != NS_FORM_TEXTAREA && controlType != NS_FORM_INPUT_TEXT &&
controlType != NS_FORM_INPUT_PASSWORD && controlType != NS_FORM_INPUT_FILE)
{
return NS_OK;
}
nsAutoString eventType;
aEvent->GetType(eventType);
if (eventType.EqualsLiteral("keypress"))
{
PRUint32 keyCode;
nsCOMPtr<nsIDOMKeyEvent> keyEvent(do_QueryInterface(aEvent));
if (!keyEvent)
return NS_OK;
if (NS_FAILED(keyEvent->GetKeyCode(&keyCode)))
return NS_OK;
if (keyCode == nsIDOMKeyEvent::DOM_VK_RETURN && controlType != NS_FORM_TEXTAREA)
{
nsSoftKeyBoardService::CloseSIP();
}
#ifdef WINCE
if (IsSmartphone())
{
PRUint32 charCode;
keyEvent->GetCharCode(&charCode);
#if 0
char buffer[2];
sprintf(buffer, "%d = %d", keyCode, charCode);
MessageBox(0, buffer, buffer, 0);
#endif
/* value determined by inspection */
if (keyCode == 120)
{
// We're using this key, no one else should
aEvent->StopPropagation();
aEvent->PreventDefault();
if (mTimer)
mTimer->Cancel();
keybd_event(VK_SPACE, 0, 0, 0);
keybd_event(VK_SPACE, 0, KEYEVENTF_KEYUP, 0);
return NS_OK;
}
/* value determined by inspection */
if (keyCode == 119)
{
// We're using this key, no one else should
aEvent->StopPropagation();
aEvent->PreventDefault();
if (mTimer)
mTimer->Cancel();
mUsage++;
if (mUsage>eUpperCase)
mUsage=eNumbers;
return NS_OK;
}
if (mUsage == eNumbers)
return NS_OK;
if ( charCode > nsIDOMKeyEvent::DOM_VK_0 && charCode <= nsIDOMKeyEvent::DOM_VK_9) // [0-9)
{
// We're using this key, no one else should
aEvent->StopPropagation();
aEvent->PreventDefault();
if (mTimer)
mTimer->Cancel();
if (mCurrentDigit != charCode)
{
mCurrentDigit = charCode;
mCurrentDigitCount = 1;
}
else
{
mCurrentDigitCount++;
}
mTimer = do_CreateInstance("@mozilla.org/timer;1");
if (!mTimer)
return NS_OK;
BYTE key = GetKeyPress(mCurrentDigit, mCurrentDigitCount);
if (mUsage == eUpperCase)
key = _toupper(key);
PRUint32 closure = key;
mTimer->InitWithFuncCallback(SoftKeyboardTimerCB,
(void*)closure,
700,
nsITimer::TYPE_ONE_SHOT);
return NS_OK;
}
else
{
mCurrentDigit = 0;
mCurrentDigitCount = 0;
}
}
#endif
return NS_OK;
}
if (eventType.EqualsLiteral("click"))
{
nsSoftKeyBoardService::OpenSIP();
return NS_OK;
}
PRBool popupConditions = PR_FALSE;
nsCOMPtr<nsPIDOMWindow> privateWindow = do_QueryInterface(mTopWindow);
if (!privateWindow)
return NS_OK;
nsIDOMWindowInternal *rootWindow = privateWindow->GetPrivateRoot();
if (!rootWindow)
return NS_OK;
nsCOMPtr<nsIDOMWindow> windowContent;
rootWindow->GetContent(getter_AddRefs(windowContent));
privateWindow = do_QueryInterface(windowContent);
if (privateWindow)
popupConditions = privateWindow->IsLoadingOrRunningTimeout();
if (eventType.EqualsLiteral("focus"))
{
// if (popupConditions == PR_FALSE)
nsSoftKeyBoardService::OpenSIP();
}
else
nsSoftKeyBoardService::CloseSIP();
return NS_OK;
}
void
nsSoftKeyBoardService::OpenSIP()
{
if (!gUseSoftwareKeyboard)
return;
#ifdef WINCE
HWND hWndSIP = ::FindWindow( _T( "SipWndClass" ), NULL );
if (hWndSIP)
::ShowWindow( hWndSIP, SW_SHOW);
SHSipPreference(NULL, SIP_UP);
// SHFullScreen(GetForegroundWindow(), SHFS_SHOWSIPBUTTON);
// keep the sip button hidden!
hWndSIP = FindWindow( _T( "MS_SIPBUTTON" ), NULL );
if (hWndSIP)
{
ShowWindow( hWndSIP, SW_HIDE );
SetWindowPos(hWndSIP, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
}
#endif
}
void
nsSoftKeyBoardService::CloseSIP()
{
#ifdef WINCE
HWND hWndSIP = FindWindow( _T( "SipWndClass" ), NULL );
if (hWndSIP)
{
ShowWindow( hWndSIP, SW_HIDE );
}
hWndSIP = FindWindow( _T( "MS_SIPBUTTON" ), NULL );
if (hWndSIP)
{
ShowWindow( hWndSIP, SW_HIDE );
SetWindowPos(hWndSIP, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
}
SHSipPreference(NULL, SIP_DOWN);
SHFullScreen(GetForegroundWindow(), SHFS_HIDESIPBUTTON);
#endif
}
PRBool
nsSoftKeyBoard::ShouldOpenKeyboardFor(nsIDOMEvent* aEvent)
{
nsCOMPtr<nsIDOMEventTarget> target;
nsCOMPtr<nsIDOMNSEvent> nsevent(do_QueryInterface(aEvent));
nsevent->GetOriginalTarget(getter_AddRefs(target));
nsCOMPtr<nsIContent> targetContent = do_QueryInterface(target);
if (targetContent && targetContent->IsContentOfType(nsIContent::eHTML_FORM_CONTROL))
{
nsCOMPtr<nsIFormControl> formControl(do_QueryInterface(targetContent));
if (formControl)
{
PRInt32 controlType = formControl->GetType();
if (controlType == NS_FORM_TEXTAREA ||
controlType == NS_FORM_INPUT_TEXT ||
controlType == NS_FORM_INPUT_PASSWORD ||
controlType == NS_FORM_INPUT_FILE)
{
return PR_TRUE;
}
}
}
return PR_FALSE;
}
nsresult
nsSoftKeyBoard::Init(nsIDOMWindow *aWindow)
{
mTopWindow = aWindow;
nsCOMPtr<nsPIDOMWindow> privateWindow = do_QueryInterface(aWindow);
if (!privateWindow)
return NS_ERROR_UNEXPECTED;
nsIChromeEventHandler *chromeEventHandler = privateWindow->GetChromeEventHandler();
nsCOMPtr<nsIDOMEventReceiver> receiver(do_QueryInterface(chromeEventHandler));
if (!receiver)
return NS_ERROR_UNEXPECTED;
receiver->AddEventListener(NS_LITERAL_STRING("focus"), this, PR_TRUE);
receiver->AddEventListener(NS_LITERAL_STRING("blur"), this, PR_TRUE);
receiver->AddEventListener(NS_LITERAL_STRING("keypress"), this, PR_TRUE);
receiver->AddEventListener(NS_LITERAL_STRING("click"), this, PR_TRUE);
return NS_OK;
}
nsresult
nsSoftKeyBoard::Shutdown()
{
nsCOMPtr<nsPIDOMWindow> privateWindow = do_QueryInterface(mTopWindow);
if (!privateWindow)
return NS_ERROR_UNEXPECTED;
nsIChromeEventHandler *chromeEventHandler = privateWindow->GetChromeEventHandler();
nsCOMPtr<nsIDOMEventReceiver> receiver(do_QueryInterface(chromeEventHandler));
if (!receiver)
return NS_ERROR_UNEXPECTED;
receiver->RemoveEventListener(NS_LITERAL_STRING("focus"), this, PR_TRUE);
receiver->RemoveEventListener(NS_LITERAL_STRING("blur"), this, PR_TRUE);
receiver->RemoveEventListener(NS_LITERAL_STRING("keypress"), this, PR_TRUE);
receiver->RemoveEventListener(NS_LITERAL_STRING("click"), this, PR_TRUE);
mTopWindow = nsnull;
return NS_OK;
}
nsresult
nsSoftKeyBoard::GetAttachedWindow(nsIDOMWindow * *aAttachedWindow)
{
NS_IF_ADDREF(*aAttachedWindow = mTopWindow);
return NS_OK;
}
nsSoftKeyBoardService::nsSoftKeyBoardService()
{
gUseSoftwareKeyboard = PR_FALSE;
}
nsSoftKeyBoardService::~nsSoftKeyBoardService()
{
}
NS_IMPL_ISUPPORTS1(nsSoftKeyBoardService, nsIObserver)
void
nsSoftKeyBoardService::HandlePref(const char* pref, nsIPrefBranch2* prefBranch)
{
if (!strcmp(pref, "skey.enabled"))
{
PRBool enabled;
prefBranch->GetBoolPref(pref, &enabled);
gUseSoftwareKeyboard = enabled;
if (gUseSoftwareKeyboard)
nsSoftKeyBoardService::OpenSIP();
else
nsSoftKeyBoardService::CloseSIP();
}
}
NS_IMETHODIMP
nsSoftKeyBoardService::Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *aData)
{
nsresult rv;
if (!strcmp(aTopic,"domwindowopened"))
{
nsCOMPtr<nsIDOMWindow> chromeWindow = do_QueryInterface(aSubject);
nsSoftKeyBoard* sn = new nsSoftKeyBoard(this);
if (!sn)
return NS_ERROR_OUT_OF_MEMORY;
sn->Init(chromeWindow);
mObjects.AppendObject(sn); // the array owns the only reference to sn.
return NS_OK;
}
if (!strcmp(aTopic,"domwindowclosed"))
{
nsCOMPtr<nsIDOMWindow> chromeWindow = do_QueryInterface(aSubject);
// need to find it in our array
PRInt32 count = mObjects.Count();
for (PRInt32 i = 0; i < count; i++)
{
nsSoftKeyBoard* sn = mObjects[i];
nsCOMPtr<nsIDOMWindow> attachedWindow;
sn->GetAttachedWindow(getter_AddRefs(attachedWindow));
if (attachedWindow == chromeWindow)
{
sn->Shutdown();
mObjects.RemoveObjectAt(i);
return NS_OK;
}
}
return NS_OK;
}
if (!strcmp(aTopic,"xpcom-startup"))
{
nsCOMPtr<nsIWindowWatcher> windowWatcher = do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
windowWatcher->RegisterNotification(this);
nsCOMPtr<nsIPrefBranch2> prefBranch = do_GetService(NS_PREFSERVICE_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
prefBranch->AddObserver("skey.", this, PR_FALSE);
HandlePref("skey.enabled", prefBranch);
return NS_OK;
}
if (!strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID))
{
nsCOMPtr<nsIPrefBranch2> prefBranch = do_QueryInterface(aSubject);
nsXPIDLCString cstr;
const char* pref = NS_ConvertUTF16toUTF8(aData).get();
HandlePref(pref, prefBranch);
return NS_OK;
}
return NS_OK;
}
//------------------------------------------------------------------------------
// XPCOM REGISTRATION BELOW
//------------------------------------------------------------------------------
#define SoftKeyBoard_CID \
{ 0x46f2dcf5, 0x25a1, 0x4459, \
{0xa6, 0x30, 0x13, 0x53, 0x9f, 0xe5, 0xa8, 0x6b} }
#define SoftKeyBoard_ContractID "@mozilla.org/softkeyboard;1"
#define SoftKeyBoardService_CID \
{ 0xde3dc3a1, 0x420f, 0x4cec, \
{0x9c, 0x3d, 0xf7, 0x71, 0xab, 0x22, 0xae, 0xf7} }
#define SoftKeyBoardService_ContractID "@mozilla.org/softkbservice/service;1"
static NS_METHOD SoftKeyBoardServiceRegistration(nsIComponentManager *aCompMgr,
nsIFile *aPath,
const char *registryLocation,
const char *componentType,
const nsModuleComponentInfo *info)
{
nsresult rv;
nsCOMPtr<nsIServiceManager> servman = do_QueryInterface((nsISupports*)aCompMgr, &rv);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsICategoryManager> catman;
servman->GetServiceByContractID(NS_CATEGORYMANAGER_CONTRACTID,
NS_GET_IID(nsICategoryManager),
getter_AddRefs(catman));
if (NS_FAILED(rv))
return rv;
char* previous = nsnull;
rv = catman->AddCategoryEntry("xpcom-startup",
"SoftKeyBoardService",
SoftKeyBoardService_ContractID,
PR_TRUE,
PR_TRUE,
&previous);
if (previous)
nsMemory::Free(previous);
return rv;
}
static NS_METHOD SoftKeyBoardServiceUnregistration(nsIComponentManager *aCompMgr,
nsIFile *aPath,
const char *registryLocation,
const nsModuleComponentInfo *info)
{
nsresult rv;
nsCOMPtr<nsIServiceManager> servman = do_QueryInterface((nsISupports*)aCompMgr, &rv);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsICategoryManager> catman;
servman->GetServiceByContractID(NS_CATEGORYMANAGER_CONTRACTID,
NS_GET_IID(nsICategoryManager),
getter_AddRefs(catman));
if (NS_FAILED(rv))
return rv;
rv = catman->DeleteCategoryEntry("xpcom-startup",
"SoftKeyBoardService",
PR_TRUE);
return rv;
}
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSoftKeyBoardService)
static const nsModuleComponentInfo components[] =
{
{ "SoftKeyBoardService",
SoftKeyBoardService_CID,
SoftKeyBoardService_ContractID,
nsSoftKeyBoardServiceConstructor,
SoftKeyBoardServiceRegistration,
SoftKeyBoardServiceUnregistration
}
};
NS_IMPL_NSGETMODULE(SoftKeyBoardModule, components)
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