319 lines
10 KiB
C++
Executable File
319 lines
10 KiB
C++
Executable File
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Spatial Navigation
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*
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* The Initial Developer of the Original Code is
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* Douglas F. Turner II <dougt@meer.net>
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* Portions created by the Initial Developer are Copyright (C) 2004-2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsSpatialNavigationPrivate.h"
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#include "nsIObserverService.h"
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nsSpatialNavigationService::nsSpatialNavigationService()
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{
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mEnabled = PR_TRUE;
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mIgnoreTextFields = PR_TRUE;
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mDisableJSWhenFocusing = PR_TRUE;
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mKeyCodeLeft = nsIDOMKeyEvent::DOM_VK_LEFT;
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mKeyCodeRight = nsIDOMKeyEvent::DOM_VK_RIGHT;
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mKeyCodeUp = nsIDOMKeyEvent::DOM_VK_UP;
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mKeyCodeDown = nsIDOMKeyEvent::DOM_VK_DOWN;
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mKeyCodeModifier = 0x00000012 | 0x00100000; // By default ALT and SHIFT
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}
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nsSpatialNavigationService::~nsSpatialNavigationService()
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{
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}
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NS_IMPL_ISUPPORTS1(nsSpatialNavigationService, nsIObserver)
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NS_IMETHODIMP
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nsSpatialNavigationService::Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *aData)
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{
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nsresult rv;
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if (!strcmp(aTopic,"domwindowopened"))
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{
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nsCOMPtr<nsIDOMWindow> chromeWindow = do_QueryInterface(aSubject);
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nsSpatialNavigation* sn = new nsSpatialNavigation(this);
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if (!sn)
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return NS_ERROR_OUT_OF_MEMORY;
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sn->Init(chromeWindow);
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mObjects.AppendObject(sn); // the array owns the only reference to sn.
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return NS_OK;
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}
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if (!strcmp(aTopic,"domwindowclosed"))
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{
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nsCOMPtr<nsIDOMWindow> chromeWindow = do_QueryInterface(aSubject);
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// need to find it in our array
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PRInt32 count = mObjects.Count();
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for (PRInt32 i = 0; i < count; i++)
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{
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nsISpatialNavigation* sn = mObjects[i];
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nsCOMPtr<nsIDOMWindow> attachedWindow;
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sn->GetAttachedWindow(getter_AddRefs(attachedWindow));
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if (attachedWindow == chromeWindow)
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{
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sn->Shutdown();
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mObjects.RemoveObjectAt(i);
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return NS_OK;
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}
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}
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return NS_OK;
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}
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if (!strcmp(aTopic,"app-startup"))
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{
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nsCOMPtr<nsIWindowWatcher> windowWatcher = do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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windowWatcher->RegisterNotification(this);
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nsCOMPtr<nsIPrefBranch2> prefBranch = do_GetService(NS_PREFSERVICE_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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prefBranch->AddObserver("snav.", this, PR_FALSE);
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nsCOMPtr<nsIObserverService> observerService =
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do_GetService(NS_OBSERVERSERVICE_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = observerService->AddObserver(this, "profile-after-change", PR_FALSE);
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NS_ENSURE_SUCCESS(rv, rv);
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return NS_OK;
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}
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if (!strcmp(aTopic,"profile-after-change"))
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{
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// the profile has loaded, read in the preferences
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nsCOMPtr<nsIPrefBranch> prefBranch = do_GetService(NS_PREFSERVICE_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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PRBool tempBool;
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PRInt32 tempInt32;
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// note that if Get*Pref fails, the pref may not exist, so we fallback to
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// the defaults as defined in the constructor
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rv = prefBranch->GetBoolPref("snav.enabled", &tempBool);
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if (NS_SUCCEEDED(rv))
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mEnabled = tempBool;
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rv = prefBranch->GetBoolPref("snav.ignoreTextFields", &tempBool);
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if (NS_SUCCEEDED(rv))
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mIgnoreTextFields = tempBool;
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rv = prefBranch->GetIntPref("snav.directionalBias", &tempInt32);
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if (NS_SUCCEEDED(rv))
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{
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gDirectionalBias = tempInt32;
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if (gDirectionalBias == 0)
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gDirectionalBias = 1;
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}
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rv = prefBranch->GetBoolPref("snav.disableJS", &tempBool);
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if (NS_SUCCEEDED(rv))
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mDisableJSWhenFocusing = tempBool;
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rv = prefBranch->GetIntPref("snav.rectFudge", &tempInt32);
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if (NS_SUCCEEDED(rv))
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gRectFudge = tempInt32;
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rv = prefBranch->GetIntPref("snav.keyCode.left", &tempInt32);
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if (NS_SUCCEEDED(rv))
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mKeyCodeLeft = tempInt32;
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rv = prefBranch->GetIntPref("snav.keyCode.right", &tempInt32);
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if (NS_SUCCEEDED(rv))
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mKeyCodeRight = tempInt32;
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rv = prefBranch->GetIntPref("snav.keyCode.up", &tempInt32);
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if (NS_SUCCEEDED(rv))
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mKeyCodeUp = tempInt32;
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rv = prefBranch->GetIntPref("snav.keyCode.down", &tempInt32);
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if (NS_SUCCEEDED(rv))
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mKeyCodeDown = tempInt32;
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rv = prefBranch->GetIntPref("snav.keyCode.modifier", &tempInt32);
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if (NS_SUCCEEDED(rv))
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mKeyCodeModifier = tempInt32;
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return NS_OK;
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}
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if (!strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID))
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{
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nsCOMPtr<nsIPrefBranch> prefBranch = do_QueryInterface(aSubject);
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nsXPIDLCString cstr;
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const char* pref = NS_ConvertUTF16toUTF8(aData).get();
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if (!strcmp(pref, "snav.enabled"))
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{
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prefBranch->GetBoolPref(pref, &mEnabled);
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}
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else if (!strcmp(pref, "snav.ignoreTextFields"))
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{
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prefBranch->GetBoolPref(pref, &mIgnoreTextFields);
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}
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else if (!strcmp(pref, "snav.directionalBias"))
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{
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prefBranch->GetIntPref(pref, &gDirectionalBias);
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if (gDirectionalBias == 0)
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gDirectionalBias = 1;
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}
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else if (!strcmp(pref, "snav.disableJS"))
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{
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prefBranch->GetBoolPref(pref, &mDisableJSWhenFocusing);
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}
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else if (!strcmp(pref, "snav.rectFudge"))
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{
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prefBranch->GetIntPref(pref, &gRectFudge);
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}
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else if (!strcmp(pref, "snav.keyCode.left"))
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{
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prefBranch->GetIntPref(pref, &mKeyCodeLeft);
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}
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else if (!strcmp(pref, "snav.keyCode.right"))
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{
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prefBranch->GetIntPref(pref, &mKeyCodeRight);
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}
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else if (!strcmp(pref, "snav.keyCode.up"))
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{
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prefBranch->GetIntPref(pref, &mKeyCodeUp);
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}
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else if (!strcmp(pref, "snav.keyCode.down"))
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{
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prefBranch->GetIntPref(pref, &mKeyCodeDown);
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}
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else if (!strcmp(pref, "snav.keyCode.modifier"))
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{
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prefBranch->GetIntPref(pref, &mKeyCodeModifier);
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}
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return NS_OK;
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}
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return NS_OK;
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}
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//------------------------------------------------------------------------------
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// XPCOM REGISTRATION BELOW
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//------------------------------------------------------------------------------
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#define SpatialNavigationService_CID \
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{ 0x4125624b, 0xaf22, 0x4d50, \
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{ 0x87, 0xf6, 0x40, 0x19, 0xc9, 0x85, 0x7b, 0x58} }
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#define SpatialNavigationService_ContractID "@mozilla.org/spatialnavigation/service"
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static NS_METHOD SpatialNavigationServiceRegistration(nsIComponentManager *aCompMgr,
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nsIFile *aPath,
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const char *registryLocation,
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const char *componentType,
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const nsModuleComponentInfo *info)
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{
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nsresult rv;
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nsCOMPtr<nsIServiceManager> servman = do_QueryInterface((nsISupports*)aCompMgr, &rv);
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if (NS_FAILED(rv))
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return rv;
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nsCOMPtr<nsICategoryManager> catman;
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servman->GetServiceByContractID(NS_CATEGORYMANAGER_CONTRACTID,
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NS_GET_IID(nsICategoryManager),
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getter_AddRefs(catman));
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if (NS_FAILED(rv))
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return rv;
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char* previous = nsnull;
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rv = catman->AddCategoryEntry("app-startup",
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"SpatialNavigationService",
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"service," SpatialNavigationService_ContractID,
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PR_TRUE,
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PR_TRUE,
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&previous);
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if (previous)
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nsMemory::Free(previous);
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return rv;
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}
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static NS_METHOD SpatialNavigationServiceUnregistration(nsIComponentManager *aCompMgr,
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nsIFile *aPath,
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const char *registryLocation,
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const nsModuleComponentInfo *info)
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{
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nsresult rv;
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nsCOMPtr<nsIServiceManager> servman = do_QueryInterface((nsISupports*)aCompMgr, &rv);
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if (NS_FAILED(rv))
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return rv;
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nsCOMPtr<nsICategoryManager> catman;
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servman->GetServiceByContractID(NS_CATEGORYMANAGER_CONTRACTID,
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NS_GET_IID(nsICategoryManager),
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getter_AddRefs(catman));
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if (NS_FAILED(rv))
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return rv;
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rv = catman->DeleteCategoryEntry("app-startup",
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"SpatialNavigationService",
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PR_TRUE);
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return rv;
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}
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSpatialNavigationService)
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static const nsModuleComponentInfo components[] =
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{
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{ "SpatialNavigationService",
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SpatialNavigationService_CID,
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SpatialNavigationService_ContractID,
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nsSpatialNavigationServiceConstructor,
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SpatialNavigationServiceRegistration,
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SpatialNavigationServiceUnregistration
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}
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};
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NS_IMPL_NSGETMODULE(SpatialNavigationModule, components)
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