зеркало из https://github.com/mozilla/gecko-dev.git
Let the user look-and-feel paramaters with prefs, bugs 24514 and 33417
This commit is contained in:
akkana%netscape.com
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f8828e55bf
Коммит
f2806908fc
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/* -*- sode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you say not use this file
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* except in compliance with the License. You say obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is sozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsXPLookAndFeel.h"
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#include "nsIServiceManager.h"
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static NS_DEFINE_IID(kILookAndFeelIID, NS_ILOOKANDFEEL_IID);
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static NS_DEFINE_CID(kPrefServiceCID, NS_PREF_CID);
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NS_IMPL_ISUPPORTS1(nsXPLookAndFeel, nsILookAndFeel)
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nsLookAndFeelIntPref nsXPLookAndFeel::sIntPrefs[] =
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{
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{ "ui.windowTitleHeight", eMetric_WindowTitleHeight, PR_FALSE, PR_FALSE, 0 },
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{ "ui.windowBorderWidth", eMetric_WindowBorderWidth, PR_FALSE, PR_FALSE, 0 },
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{ "ui.windowBorderHeight", eMetric_WindowBorderHeight, PR_FALSE, PR_FALSE, 0 },
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{ "ui.widget3DBorder", eMetric_Widget3DBorder, PR_FALSE, PR_FALSE, 0 },
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{ "ui.textFieldBorder", eMetric_TextFieldBorder, PR_FALSE, PR_FALSE, 0 },
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{ "ui.textFieldHeight", eMetric_TextFieldHeight, PR_FALSE, PR_FALSE, 0 },
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{ "ui.buttonHorizontalInsidePaddingNavQuirks",
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eMetric_ButtonHorizontalInsidePaddingNavQuirks, PR_FALSE, PR_FALSE, 0 },
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{ "ui.buttonHorizontalInsidePaddingOffsetNavQuirks",
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eMetric_ButtonHorizontalInsidePaddingOffsetNavQuirks, PR_FALSE, PR_FALSE, 0 },
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{ "ui.checkboxSize", eMetric_CheckboxSize, PR_FALSE, PR_FALSE, 0 },
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{ "ui.radioboxSize", eMetric_RadioboxSize, PR_FALSE, PR_FALSE, 0 },
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{ "ui.textHorizontalInsideMinimumPadding",
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eMetric_TextHorizontalInsideMinimumPadding, PR_FALSE, PR_FALSE, 0 },
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{ "ui.textVerticalInsidePadding", eMetric_TextVerticalInsidePadding,
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PR_FALSE, PR_FALSE, 0 },
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{ "ui.textShouldUseVerticalInsidePadding",
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eMetric_TextShouldUseVerticalInsidePadding, PR_FALSE, PR_FALSE, 0 },
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{ "ui.textShouldUseHorizontalInsideMinimumPadding",
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eMetric_TextShouldUseHorizontalInsideMinimumPadding, PR_FALSE, PR_FALSE, 0 },
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{ "ui.listShouldUseHorizontalInsideMinimumPadding",
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eMetric_ListShouldUseHorizontalInsideMinimumPadding, PR_FALSE, PR_FALSE, 0 },
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{ "ui.listHorizontalInsideMinimumPadding",
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eMetric_ListHorizontalInsideMinimumPadding, PR_FALSE, PR_FALSE, 0 },
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{ "ui.listShouldUseVerticalInsidePadding",
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eMetric_ListShouldUseVerticalInsidePadding, PR_FALSE, PR_FALSE, 0 },
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{ "ui.listVerticalInsidePadding", eMetric_ListVerticalInsidePadding,
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PR_FALSE, PR_FALSE, 0 },
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{ "ui.caretBlinkTime", eMetric_CaretBlinkTime, PR_FALSE, PR_FALSE, 0 },
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{ "ui.caretWidthTwips", eMetric_CaretWidthTwips, PR_FALSE, PR_FALSE, 0 },
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{ "ui.submenuDelay", eMetric_SubmenuDelay, PR_FALSE, PR_FALSE, 0 },
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{ "ui.menusCanOverlapOSBar", eMetric_MenusCanOverlapOSBar,
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PR_FALSE, PR_FALSE, 0 },
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};
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nsLookAndFeelFloatPref nsXPLookAndFeel::sFloatPrefs[] =
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{
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{ "ui.textFieldVerticalInsidePadding",
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eMetricFloat_TextFieldVerticalInsidePadding, PR_FALSE, PR_TRUE, 0 },
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{ "ui.textFieldHorizontalInsidePadding",
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eMetricFloat_TextFieldHorizontalInsidePadding, PR_FALSE, PR_TRUE, 0 },
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{ "ui.textAreaVerticalInsidePadding", eMetricFloat_TextAreaVerticalInsidePadding,
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PR_FALSE, PR_TRUE, 0 },
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{ "ui.textAreaHorizontalInsidePadding",
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eMetricFloat_TextAreaHorizontalInsidePadding, PR_FALSE, PR_TRUE, 0 },
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{ "ui.listVerticalInsidePadding",
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eMetricFloat_ListVerticalInsidePadding, PR_FALSE, PR_TRUE, 0 },
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{ "ui.listHorizontalInsidePadding",
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eMetricFloat_ListHorizontalInsidePadding, PR_FALSE, PR_TRUE, 0 },
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{ "ui.buttonVerticalInsidePadding", eMetricFloat_ButtonVerticalInsidePadding,
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PR_FALSE, PR_TRUE, 0 },
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{ "ui.buttonHorizontalInsidePadding", eMetricFloat_ButtonHorizontalInsidePadding,
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PR_FALSE, PR_TRUE, 0 },
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};
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PRBool nsXPLookAndFeel::sInitialized = PR_FALSE;
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nsXPLookAndFeel::nsXPLookAndFeel() : nsILookAndFeel()
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{
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NS_INIT_REFCNT();
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}
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static int intPrefChanged (const char *newpref, void *data)
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{
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nsLookAndFeelIntPref* np = (nsLookAndFeelIntPref*)data;
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if (np)
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{
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nsresult rv;
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NS_WITH_SERVICE(nsIPref, prefService, kPrefServiceCID, &rv);
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if (NS_SUCCEEDED(rv) && prefService)
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{
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PRInt32 intpref;
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rv = prefService->GetIntPref(np->name, &intpref);
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if (NS_SUCCEEDED(rv))
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{
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np->intVar = intpref;
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np->isSet = PR_TRUE;
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#ifdef DEBUG_akkana
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printf("====== Changed int pref %s to %d\n", np->name, np->intVar);
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#endif
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}
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}
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}
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return 0;
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}
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static int floatPrefChanged (const char *newpref, void *data)
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{
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nsLookAndFeelFloatPref* np = (nsLookAndFeelFloatPref*)data;
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if (np)
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{
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nsresult rv;
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NS_WITH_SERVICE(nsIPref, prefService, kPrefServiceCID, &rv);
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if (NS_SUCCEEDED(rv) && prefService)
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{
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PRInt32 intpref;
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rv = prefService->GetIntPref(np->name, &intpref);
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if (NS_SUCCEEDED(rv))
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{
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np->floatVar = (float)intpref / 100.;
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np->isSet = PR_TRUE;
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#ifdef DEBUG_akkana
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printf("====== Changed float pref %s to %f\n", np->name, np->floatVar);
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#endif
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}
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}
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}
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return 0;
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}
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nsresult
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nsXPLookAndFeel::InitFromPref(nsLookAndFeelIntPref* aPref)
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{
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PRInt32 intpref;
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nsresult rv = mPrefService->GetIntPref(aPref->name, &intpref);
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if (NS_SUCCEEDED(rv))
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{
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aPref->isSet = PR_TRUE;
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aPref->intVar = intpref;
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}
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mPrefService->RegisterCallback(aPref->name, intPrefChanged, aPref);
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return rv;
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}
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nsresult
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nsXPLookAndFeel::InitFromPref(nsLookAndFeelFloatPref* aPref)
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{
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PRInt32 intpref;
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nsresult rv = mPrefService->GetIntPref(aPref->name, &intpref);
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if (NS_SUCCEEDED(rv))
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{
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aPref->isSet = PR_TRUE;
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aPref->floatVar = (float)intpref / 100.;
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}
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mPrefService->RegisterCallback(aPref->name, floatPrefChanged, &aPref);
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return rv;
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}
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//
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// Read values from the user's preferences.
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// This is done once at startup, but since the user's preferences
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// haven't actually been read yet at that time, we also have to
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// set a callback to inform us of changes to each pref.
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//
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void
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nsXPLookAndFeel::Init()
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{
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// Say we're already initialized, and take the chance that it might fail;
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// protects against some other process writing to our static variables.
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sInitialized = PR_TRUE;
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nsresult rv;
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mPrefService = do_GetService(kPrefServiceCID, &rv);
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if (NS_FAILED(rv) || !mPrefService)
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return;
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unsigned int i;
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for (i = 0; i < ((sizeof (sIntPrefs) / sizeof (*sIntPrefs))); ++i)
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InitFromPref(&sIntPrefs[i]);
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for (i = 0; i < ((sizeof (sFloatPrefs) / sizeof (*sFloatPrefs))); ++i)
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InitFromPref(&sFloatPrefs[i]);
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// We won't need the prefs service any more:
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mPrefService = 0;
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}
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nsXPLookAndFeel::~nsXPLookAndFeel()
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{
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}
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//
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// All these routines will return NS_OK if they have a value,
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// in which case the nsLookAndFeel should use that value;
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// otherwise we'll return NS_ERROR_NOT_AVAILABLE, in which case, the
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// platform-specific nsLookAndFeel should use its own values instead.
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//
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NS_IMETHODIMP nsXPLookAndFeel::GetColor(const nsColorID aID, nscolor &aColor)
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{
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// We don't return any colors, currently;
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// sostly because we need a string-pref-to-NS_RGB translation routine,
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// but we also assume the user will pick a skin with colors they like.
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return NS_ERROR_NOT_AVAILABLE;
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}
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NS_IMETHODIMP nsXPLookAndFeel::GetMetric(const nsMetricID aID, PRInt32& aMetric)
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{
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if (!sInitialized)
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Init();
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for (unsigned int i = 0; i < ((sizeof (sIntPrefs) / sizeof (*sIntPrefs))); ++i)
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if (sIntPrefs[i].isSet && (sIntPrefs[i].id == aID))
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{
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aMetric = sIntPrefs[i].intVar;
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return NS_OK;
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}
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return NS_ERROR_NOT_AVAILABLE;
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}
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NS_IMETHODIMP
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nsXPLookAndFeel::GetMetric(const nsMetricFloatID aID, float& aMetric)
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{
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if (!sInitialized)
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Init();
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for (unsigned int i = 0; i < ((sizeof (sFloatPrefs) / sizeof (*sFloatPrefs))); ++i)
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if (sFloatPrefs[i].isSet && sFloatPrefs[i].id == aID)
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{
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aMetric = sFloatPrefs[i].floatVar;
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return NS_OK;
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}
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return NS_ERROR_NOT_AVAILABLE;
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}
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#ifdef NS_DEBUG
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// This method returns the actual (or nearest estimate)
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// of the Navigator size for a given form control for a given font
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// and font size. This is used in NavQuirks mode to see how closely
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// we match its size
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NS_IMETHODIMP
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nsXPLookAndFeel::GetNavSize(const nsMetricNavWidgetID aWidgetID,
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const nsMetricNavFontID aFontID,
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const PRInt32 aFontSize,
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nsSize &aSize)
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{
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return NS_ERROR_NOT_AVAILABLE;
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}
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#endif
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nsresult
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NS_NewXPLookAndFeel(nsILookAndFeel** aXPLookAndFeel)
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{
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if (!aXPLookAndFeel)
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return NS_ERROR_INVALID_ARG;
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*aXPLookAndFeel = new nsXPLookAndFeel;
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if (!*aXPLookAndFeel)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(*aXPLookAndFeel);
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return NS_OK;
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}
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@ -0,0 +1,90 @@
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef __nsXPLookAndFeel
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#define __nsXPLookAndFeel
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#include "nsILookAndFeel.h"
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#include "nsCOMPtr.h"
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#include "nsIPref.h"
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struct nsLookAndFeelIntPref
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{
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char* name;
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nsILookAndFeel::nsMetricID id;
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PRPackedBool isSet;
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PRPackedBool isFloat; // default (PR_FALSE) is PRInt32
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PRInt32 intVar;
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};
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struct nsLookAndFeelFloatPref
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{
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char* name;
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nsILookAndFeel::nsMetricFloatID id;
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PRPackedBool isSet;
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PRPackedBool isFloat; // default (PR_FALSE) is PRInt32
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float floatVar;
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};
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class nsXPLookAndFeel: public nsILookAndFeel
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{
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public:
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nsXPLookAndFeel();
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virtual ~nsXPLookAndFeel();
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NS_DECL_ISUPPORTS
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void Init();
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//
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// All these routines will return NS_OK if they have a value,
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// in which case the nsLookAndFeel should use that value;
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// otherwise we'll return NS_ERROR_NOT_AVAILABLE, in which case, the
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// platform-specific nsLookAndFeel should use its own values instead.
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//
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NS_IMETHOD GetColor(const nsColorID aID, nscolor &aColor);
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NS_IMETHOD GetMetric(const nsMetricID aID, PRInt32 & aMetric);
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NS_IMETHOD GetMetric(const nsMetricFloatID aID, float & aMetric);
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#ifdef NS_DEBUG
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NS_IMETHOD GetNavSize(const nsMetricNavWidgetID aWidgetID,
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const nsMetricNavFontID aFontID,
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const PRInt32 aFontSize,
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nsSize &aSize);
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#endif
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protected:
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nsresult InitFromPref(nsLookAndFeelIntPref* aPref);
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nsresult InitFromPref(nsLookAndFeelFloatPref* aPref);
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nsCOMPtr<nsIPref> mPrefService;
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static PRBool sInitialized;
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static nsLookAndFeelIntPref sIntPrefs[22];
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static nsLookAndFeelFloatPref sFloatPrefs[8];
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};
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extern nsresult NS_NewXPLookAndFeel(nsILookAndFeel**);
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#endif
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