зеркало из https://github.com/mozilla/gecko-dev.git
319 строки
8.1 KiB
C++
319 строки
8.1 KiB
C++
/* -*- 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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//
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// Miscellaneous RDF utility methods
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//
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#include "URDFUtilities.h"
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#include "xp_mem.h"
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#include "xp_rgb.h"
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#include "ufilemgr.h" // for CFileMgr::GetURLFromFileSpec
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#include "uprefd.h" // for CPrefs::GetFolderSpec & globHistoryName
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#include "PascalString.h" // for CStr255
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#include "macgui.h"
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#include "CBrowserWindow.h"
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#include "CNSContext.h"
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Boolean URDFUtilities::sIsInited = false;
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//
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// StartupRDF
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//
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// Initialize RDF if it has not already been initialized. This method can be
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// called over and over again without bad side effects because it protects the init
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// code with a static variable.
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//
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void URDFUtilities::StartupRDF()
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{
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if (!sIsInited)
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{
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// Point RDF to user's "Navigator Ä" preference folder and turn the FSSpec into
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// a URL
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FSSpec prefFolder = CPrefs::GetFolderSpec(CPrefs::MainFolder);
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char* url = CFileMgr::GetURLFromFileSpec(prefFolder);
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CStr255 urlStr(url);
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XP_FREE(url);
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// fill in RDF params structure with appropriate file paths
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CStr255 str;
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RDF_InitParamsStruct initParams;
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initParams.profileURL = (char*)urlStr;
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::GetIndString(str, 300, bookmarkFile);
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initParams.bookmarksURL = (char*)(urlStr + "/" + str);
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::GetIndString(str, 300, globHistoryName);
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initParams.globalHistoryURL = (char*)(urlStr + "/" + str);
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// url = NET_UnEscape(url);
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RDF_Init(&initParams);
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sIsInited = true;
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}
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}
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//
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// ShutdownRDF
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//
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// Opposite of above routine. Again, can be called multiple times w/out bad side
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// effects.
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//
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void URDFUtilities::ShutdownRDF()
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{
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if (sIsInited)
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{
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RDF_Shutdown();
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sIsInited = false;
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}
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}
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Uint32 URDFUtilities::GetContainerSize(HT_Resource container)
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{
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Uint32 result = 0;
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// trust but verify...
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if (HT_IsContainer(container))
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{
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HT_Cursor cursor = HT_NewCursor(container);
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if (cursor)
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{
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HT_Resource node = HT_GetNextItem(cursor);
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while (node != NULL)
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{
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++result;
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if (HT_IsContainer(node) && HT_IsContainerOpen(node))
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result += GetContainerSize(node);
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node = HT_GetNextItem(cursor);
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}
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}
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}
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return result;
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}
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//
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// SetupBackgroundColor
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//
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// Given a HT token for a particular color and an AppearanceManager theme brush, set the
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// background color to the appropriate color (using HT color first, and AM color as a fallback).
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//
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bool
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URDFUtilities :: SetupBackgroundColor ( HT_Resource inNode, void* inHTToken, ThemeBrush inBrush )
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{
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RGBColor theBackground;
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bool usingHTColor = GetColor(inNode, inHTToken, &theBackground);
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if ( usingHTColor )
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::RGBBackColor ( &theBackground );
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else
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::SetThemeBackground ( inBrush, 8, false );
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return usingHTColor;
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} // SetupBackgroundColor
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//
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// SetupForegroundColor
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//
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// Given a HT token for a particular color and an AppearanceManager theme brush, set the
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// foreground color to the appropriate color (using HT color first, and AM color as a fallback).
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//
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bool
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URDFUtilities :: SetupForegroundColor ( HT_Resource inNode, void* inHTToken, ThemeBrush inBrush )
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{
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RGBColor theForeground;
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bool usingHTColor = GetColor(inNode, inHTToken, &theForeground);
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if ( usingHTColor )
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::RGBForeColor ( &theForeground );
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else
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::SetThemePen ( inBrush, 8, false );
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return usingHTColor;
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} // SetupForegroundColor
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//
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// SetupForegroundTextColor
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//
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// Given a HT token for a particular color and an AppearanceManager theme brush, set the
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// foreground color to the appropriate color (using HT color first, and AM color as a fallback).
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//
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bool
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URDFUtilities :: SetupForegroundTextColor ( HT_Resource inNode, void* inHTToken, ThemeTextColor inBrush )
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{
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RGBColor theForeground;
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bool usingHTColor = GetColor(inNode, inHTToken, &theForeground);
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if ( usingHTColor )
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::RGBForeColor ( &theForeground );
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else
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::SetThemeTextColor ( inBrush, 8, false );
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return usingHTColor;
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} // SetupForegroundTextColor
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//
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// GetColor
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//
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// Given a node and a property (that should be a color name), returns if this node has
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// that property set and if so, make an RGBColor out of it. |outColor| is not modified
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// unless this function returns true.
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//
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bool
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URDFUtilities :: GetColor ( HT_Resource inNode, void* inHTToken, RGBColor* outColor )
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{
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Assert_(inNode != NULL);
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Assert_(inHTToken != NULL);
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bool usingHTColor = false;
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if ( inNode && inHTToken ) {
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char* color = NULL;
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PRBool success = HT_GetTemplateData ( inNode, inHTToken, HT_COLUMN_STRING, &color );
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if ( success && color ) {
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uint8 red, green, blue;
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if ( LO_ParseRGB(color, &red, &green, &blue) ) {
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*outColor = UGraphics::MakeRGBColor(red, green, blue);
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usingHTColor = true;
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}
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}
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}
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return usingHTColor;
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} // GetColor
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//
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// PropertyValueBool
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//
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// Gets the value of the given token and determines if it is "[Y|y]es" or "[N|n]o" based
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// on the first character. Returns the appropriate boolean value (yes = true). If the
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// property is not specified (or not specified correctly) return the default value.
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//
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bool
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URDFUtilities :: PropertyValueBool ( HT_Resource inNode, void* inHTToken, bool inDefaultValue )
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{
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bool retVal = inDefaultValue;
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if ( inNode && inHTToken ) {
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char* value = NULL;
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PRBool success = HT_GetTemplateData ( inNode, inHTToken, HT_COLUMN_STRING, &value );
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if ( success && value ) {
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switch ( *value ) {
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case 'Y': case 'y':
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retVal = true;
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break;
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case 'N': case 'n':
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retVal = false;
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}
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}
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}
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return retVal;
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} // PropertyValueBool
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//
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// LaunchNode
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// LaunchURL
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//
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// Passes the node/url to HT which will try to handle loading it
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//
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bool
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URDFUtilities :: LaunchNode ( HT_Resource inNode )
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{
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MWContext* topContext = FindBrowserContext();
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return HT_Launch ( inNode, topContext );
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} // LaunchNode
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bool
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URDFUtilities :: LaunchURL ( const char* inURL, CBrowserWindow* inBrowser )
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{
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MWContext* currentContext = NULL;
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HT_Pane paneToDisplayThings = NULL;
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// if no browser is passed in, try to find the topmost one
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if ( !inBrowser ) {
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CWindowMediator* theMediator = CWindowMediator::GetWindowMediator();
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inBrowser = dynamic_cast<CBrowserWindow*>(theMediator->FetchTopWindow(WindowType_Browser, regularLayerType, false));
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}
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// Even though we looked, there may not be a browser open. If we have one, extract
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// the relevants bits from it.
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if ( inBrowser ) {
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paneToDisplayThings = inBrowser->HTPane();
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currentContext = *(inBrowser->GetWindowContext());
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}
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return HT_LaunchURL ( paneToDisplayThings, const_cast<char*>(inURL), currentContext ) ;
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} // LaunchURL
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//
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// FindBrowserContext
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//
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// Tries to find a top-level context that is a browser window. If one cannot be found,
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// returns NULL
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//
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MWContext*
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URDFUtilities :: FindBrowserContext ( )
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{
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MWContext* currentContext = NULL;
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CWindowMediator* theMediator = CWindowMediator::GetWindowMediator();
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CNetscapeWindow* theTopWindow =
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dynamic_cast<CNetscapeWindow*>(theMediator->FetchTopWindow(WindowType_Browser, regularLayerType, false));
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if (theTopWindow)
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return *(theTopWindow->GetWindowContext());
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return NULL;
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} // FindBrowserContext
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//
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// StHTEventMasking
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//
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// Change HT's event masking in the given pane for the lifetime of this class. This is
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// meant to be used as a stack-based class. The new notification mask is set in the contsructor
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// and is reset to the original mask in the destructor.
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//
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URDFUtilities::StHTEventMasking :: StHTEventMasking ( HT_Pane inPane, HT_NotificationMask inNewMask )
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: mPane(inPane)
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{
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HT_GetNotificationMask ( mPane, &mOldMask );
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HT_SetNotificationMask ( mPane, inNewMask );
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}
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URDFUtilities::StHTEventMasking :: ~StHTEventMasking ( )
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{
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HT_SetNotificationMask ( mPane, mOldMask );
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}
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