зеркало из https://github.com/mozilla/pjs.git
Bug 25699; Add DDE support to get Acrobat weblinks working; r=syd, sr=mscott, a=brendan
This commit is contained in:
law%netscape.com
Родитель
ab59e1338b
Коммит
5ad8b920a1
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@ -37,6 +37,12 @@
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#include "nsIDocShell.h"
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#include "nsIBaseWindow.h"
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#include "nsIAppShellService.h"
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// These are needed to load a URL in a browser window.
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#include "nsIDOMLocation.h"
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#include "nsIJSContextStack.h"
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#include "nsIWindowMediator.h"
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#include <windows.h>
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#include <ddeml.h>
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#include <stdlib.h>
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@ -268,13 +274,28 @@ private:
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ULONG dwData1,
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ULONG dwData2 );
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static void HandleRequest( LPBYTE request );
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static nsCString ParseDDEArg( HSZ args, int index );
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static void ActivateLastWindow();
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static HDDEDATA CreateDDEData( DWORD value );
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static PRBool InitTopicStrings();
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static int FindTopic( HSZ topic );
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static nsresult GetCmdLineArgs( LPBYTE request, nsICmdLineService **aResult );
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static nsresult OpenWindow( const char *urlstr, const char *args, nsIDOMWindow **aResult = 0 );
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static nsresult OpenBrowserWindow( const char *args );
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static nsresult ReParent( nsIDOMWindowInternal *window, HWND newParent );
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static nsCOMPtr<nsIDOMWindowInternal> mCachedWin;
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static int mConversations;
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static HSZ mApplication, mTopic;
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enum {
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topicOpenURL,
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topicActivate,
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topicCancelProgress,
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topicVersion,
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topicRegisterViewer,
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topicUnRegisterViewer,
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// Note: Insert new values above this line!!!!!
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topicCount // Count of the number of real topics
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};
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static HSZ mApplication, mTopics[ topicCount ];
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static DWORD mInstance;
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static char *mAppName;
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friend struct MessageWindow;
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@ -569,17 +590,24 @@ NS_CreateSplashScreen( nsISplashScreen **aResult ) {
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// Constants
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#define MOZ_DDE_APPLICATION "Mozilla"
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#define MOZ_DDE_TOPIC "WWW_OpenURL"
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#define MOZ_STARTUP_MUTEX_NAME "StartupMutex"
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#define MOZ_DDE_START_TIMEOUT 30000
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#define MOZ_DDE_STOP_TIMEOUT 15000
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#define MOZ_DDE_EXEC_TIMEOUT 15000
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// The array entries must match the enum ordering!
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const char * const topicNames[] = { "WWW_OpenURL",
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"WWW_Activate",
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"WWW_CancelProgress",
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"WWW_Version",
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"WWW_RegisterViewer",
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"WWW_UnRegisterViewer" };
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// Static member definitions.
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nsCOMPtr<nsIDOMWindowInternal> nsNativeAppSupportWin::mCachedWin = 0;
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int nsNativeAppSupportWin::mConversations = 0;
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HSZ nsNativeAppSupportWin::mApplication = 0;
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HSZ nsNativeAppSupportWin::mTopic = 0;
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HSZ nsNativeAppSupportWin::mTopics[nsNativeAppSupportWin::topicCount] = { 0 };
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DWORD nsNativeAppSupportWin::mInstance = 0;
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// Message window encapsulation.
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@ -730,6 +758,26 @@ nsNativeAppSupportWin::Start( PRBool *aResult ) {
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return rv;
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}
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PRBool
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nsNativeAppSupportWin::InitTopicStrings() {
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for ( int i = 0; i < topicCount; i++ ) {
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if ( !( mTopics[ i ] = DdeCreateStringHandle( mInstance, topicNames[ i ], CP_WINANSI ) ) ) {
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return PR_FALSE;
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}
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}
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return PR_TRUE;
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}
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int
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nsNativeAppSupportWin::FindTopic( HSZ topic ) {
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for ( int i = 0; i < topicCount; i++ ) {
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if ( DdeCmpStringHandles( topic, mTopics[i] ) == 0 ) {
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return i;
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}
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}
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return -1;
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}
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// Start DDE server.
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//
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// This used to be the Start() method when we were using DDE as the
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@ -752,8 +800,7 @@ nsNativeAppSupportWin::StartDDE() {
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NS_ERROR_FAILURE );
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// Allocate DDE strings.
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NS_ENSURE_TRUE( ( mApplication = DdeCreateStringHandle( mInstance, mAppName, CP_WINANSI ) ) &&
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( mTopic = DdeCreateStringHandle( mInstance, MOZ_DDE_TOPIC, CP_WINANSI ) ),
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NS_ENSURE_TRUE( ( mApplication = DdeCreateStringHandle( mInstance, mAppName, CP_WINANSI ) ) && InitTopicStrings(),
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NS_ERROR_FAILURE );
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// Next step is to register a DDE service.
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@ -801,9 +848,11 @@ nsNativeAppSupportWin::Quit() {
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DdeFreeStringHandle( mInstance, mApplication );
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mApplication = 0;
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}
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if ( mTopic ) {
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DdeFreeStringHandle( mInstance, mTopic );
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mTopic = 0;
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for ( int i = 0; i < topicCount; i++ ) {
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if ( mTopics[i] ) {
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DdeFreeStringHandle( mInstance, mTopics[i] );
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mTopics[i] = 0;
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}
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}
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DdeUninitialize( mInstance );
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mInstance = 0;
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@ -895,16 +944,75 @@ nsNativeAppSupportWin::HandleDDENotification( UINT uType, // transaction t
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if ( uType & XCLASS_BOOL ) {
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switch ( uType ) {
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case XTYP_CONNECT:
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case XTYP_CONNECT_CONFIRM:
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// Make sure its for our service/topic.
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if ( DdeCmpStringHandles( hsz1, mTopic ) == 0
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&&
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DdeCmpStringHandles( hsz2, mApplication ) == 0 ) {
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if ( FindTopic( hsz1 ) < topicCount ) {
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// We support this connection.
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result = (HDDEDATA)1;
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}
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break;
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case XTYP_CONNECT_CONFIRM:
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// We don't care about the conversation handle, at this point.
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result = (HDDEDATA)1;
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break;
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}
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} else if ( uType & XCLASS_DATA ) {
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if ( uType == XTYP_REQUEST ) {
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switch ( FindTopic( hsz1 ) ) {
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case topicOpenURL: {
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// Open a given URL...
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nsCString url = ParseDDEArg( hsz2, 0 );
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// Make it look like command line args.
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url.Insert( "mozilla -url ", 0 );
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#if MOZ_DEBUG_DDE
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printf( "Handling dde XTYP_REQUEST request: [%s]...\n", url.get() );
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#endif
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// Now handle it.
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HandleRequest( LPBYTE( url.get() ) );
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// Return pseudo window ID.
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result = CreateDDEData( 1 );
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break;
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}
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case topicActivate: {
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// Activate a Nav window...
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nsCString windowID = ParseDDEArg( hsz2, 0 );
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if ( windowID.Equals( "-1" ) ) {
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// We only support activating the most recent window (or a new one).
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ActivateLastWindow();
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// Return pseudo window ID.
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result = CreateDDEData( 1 );
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}
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break;
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}
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case topicVersion: {
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// Return version. We're restarting at 1.0!
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DWORD version = 1 << 16; // "1.0"
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result = CreateDDEData( version );
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break;
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}
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case topicRegisterViewer: {
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// Register new viewer (not implemented).
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result = CreateDDEData( PR_FALSE );
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break;
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}
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case topicUnRegisterViewer: {
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// Unregister new viewer (not implemented).
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result = CreateDDEData( PR_FALSE );
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break;
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}
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default:
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break;
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}
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} else if ( uType & XTYP_POKE ) {
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switch ( FindTopic( hsz1 ) ) {
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case topicCancelProgress: {
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// "Handle" progress cancel (actually, pretty much ignored).
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result = (HDDEDATA)DDE_FACK;
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break;
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}
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default:
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break;
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}
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}
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} else if ( uType & XCLASS_FLAGS ) {
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if ( uType == XTYP_EXECUTE ) {
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// Prove that we received the request.
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@ -920,6 +1028,80 @@ nsNativeAppSupportWin::HandleDDENotification( UINT uType, // transaction t
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}
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} else if ( uType & XCLASS_NOTIFICATION ) {
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}
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#if MOZ_DEBUG_DDE
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printf( "DDE result=%d (0x%08X)\n", (int)result, (int)result );
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#endif
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return result;
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}
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// Utility to parse out argument from a DDE item string.
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nsCString nsNativeAppSupportWin::ParseDDEArg( HSZ args, int index ) {
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nsCString result;
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DWORD argLen = DdeQueryString( mInstance, args, NULL, NULL, CP_WINANSI );
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if ( argLen ) {
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nsCString temp;
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// Ensure result's buffer is sufficiently big.
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temp.SetLength( argLen + 1 );
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// Now get the string contents.
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DdeQueryString( mInstance, args, (char*)temp.get(), temp.Length(), CP_WINANSI );
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// Parse out the given arg. We assume there's no commas within quoted strings
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// (which may not be accurate, but makes life so much easier).
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const char *p = temp.get();
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// Skip index commas.
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PRInt32 offset = index ? temp.FindChar( ',', PR_FALSE, 0, index ) : 0;
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if ( offset != -1 ) {
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// Desired argument starts there and ends at next comma.
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PRInt32 end = temp.FindChar( ',', PR_FALSE, offset+1 );
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if ( end == -1 ) {
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// Rest of string.
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end = temp.Length();
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}
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// Extract result.
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result.Assign( temp.get() + offset, end - offset );
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}
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}
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return result;
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}
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static NS_DEFINE_CID(kWindowMediatorCID, NS_WINDOWMEDIATOR_CID);
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static HWND hwndForDOMWindow( nsIDOMWindowInternal * );
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void nsNativeAppSupportWin::ActivateLastWindow() {
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nsCOMPtr<nsIWindowMediator> med( do_GetService( kWindowMediatorCID ) );
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if ( med ) {
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// Get most recently used Nav window.
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nsCOMPtr<nsIDOMWindowInternal> navWin;
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med->GetMostRecentWindow( NS_LITERAL_STRING("navigator:browser").get(), getter_AddRefs( navWin ) );
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if ( navWin ) {
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// Activate that window.
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HWND hwnd = hwndForDOMWindow( navWin );
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if ( hwnd ) {
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// Restore the window in case it is minimized.
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::ShowWindow( hwnd, SW_RESTORE );
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// Use the OS call, if possible.
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::SetForegroundWindow( hwnd );
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} else {
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// Use internal method.
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navWin->Focus();
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}
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} else {
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// Need to create a Navigator window, then.
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OpenBrowserWindow( "about:blank" );
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}
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}
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}
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HDDEDATA nsNativeAppSupportWin::CreateDDEData( DWORD value ) {
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HDDEDATA result = DdeCreateDataHandle( mInstance,
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(LPBYTE)&value,
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sizeof value,
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0,
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mApplication,
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CF_TEXT,
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0 );
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return result;
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}
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@ -1206,25 +1388,30 @@ static LRESULT CALLBACK focusFilterProc( HWND hwnd, UINT uMsg, WPARAM wParam, LP
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}
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}
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nsresult
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nsNativeAppSupportWin::ReParent( nsIDOMWindowInternal *window, HWND newParent ) {
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HWND hwndForDOMWindow( nsIDOMWindowInternal *window ) {
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nsCOMPtr<nsIScriptGlobalObject> ppScriptGlobalObj( do_QueryInterface(window) );
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if ( !ppScriptGlobalObj ) {
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return NS_ERROR_FAILURE;
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return 0;
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}
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nsCOMPtr<nsIDocShell> ppDocShell;
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ppScriptGlobalObj->GetDocShell( getter_AddRefs( ppDocShell ) );
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if ( !ppDocShell ) {
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return NS_ERROR_FAILURE;
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return 0;
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}
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nsCOMPtr<nsIBaseWindow> ppBaseWindow( do_QueryInterface( ppDocShell ) );
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if ( !ppBaseWindow ) {
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return NS_ERROR_FAILURE;
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return 0;
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}
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nsCOMPtr<nsIWidget> ppWidget;
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ppBaseWindow->GetMainWidget( getter_AddRefs( ppWidget ) );
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HWND hMainFrame = (HWND)ppWidget->GetNativeData( NS_NATIVE_WIDGET );
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return (HWND)( ppWidget->GetNativeData( NS_NATIVE_WIDGET ) );
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}
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nsresult
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nsNativeAppSupportWin::ReParent( nsIDOMWindowInternal *window, HWND newParent ) {
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HWND hMainFrame = hwndForDOMWindow( window );
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if ( !hMainFrame ) {
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return NS_ERROR_FAILURE;
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}
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@ -1258,21 +1445,114 @@ nsNativeAppSupportWin::ReParent( nsIDOMWindowInternal *window, HWND newParent )
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return NS_OK;
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}
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static const char sJSStackContractID[] = "@mozilla.org/js/xpc/ContextStack;1";
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class SafeJSContext {
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public:
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SafeJSContext();
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~SafeJSContext();
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nsresult Push();
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JSContext *get() { return mContext; }
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protected:
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nsCOMPtr<nsIThreadJSContextStack> mService;
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JSContext *mContext;
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};
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SafeJSContext::SafeJSContext() : mContext(nsnull) {
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}
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SafeJSContext::~SafeJSContext() {
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JSContext *cx;
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nsresult rv;
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if(mContext) {
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rv = mService->Pop(&cx);
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NS_ASSERTION(NS_SUCCEEDED(rv) && cx == mContext, "JSContext push/pop mismatch");
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}
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}
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nsresult SafeJSContext::Push() {
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nsresult rv;
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if (mContext) // only once
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return NS_ERROR_FAILURE;
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mService = do_GetService(sJSStackContractID);
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if(mService) {
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rv = mService->GetSafeJSContext(&mContext);
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if (NS_SUCCEEDED(rv) && mContext) {
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rv = mService->Push(mContext);
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if (NS_FAILED(rv))
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mContext = 0;
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}
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}
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return mContext ? NS_OK : NS_ERROR_FAILURE;
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}
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nsresult
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nsNativeAppSupportWin::OpenBrowserWindow( const char *args ) {
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nsresult rv = NS_OK;
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// Check if we have a cached (hidden) window.
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if ( mCachedWin ) {
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nsCOMPtr<nsIDOMWindowInternal> win = mCachedWin;
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// Open the argument URL in the most recently used Navigator window.
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// If there is no Nav window, open a new one.
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nsCOMPtr<nsIWindowMediator> med( do_GetService( kWindowMediatorCID ) );
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nsCOMPtr<nsIDOMWindowInternal> navWin;
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nsCOMPtr<nsIDOMWindow> content;
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nsCOMPtr<nsIDOMWindowInternal> internalContent;
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nsCOMPtr<nsIDOMLocation> location;
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// This isn't really a loop. We just use "break" statements to fall
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// out to the OpenWindow call when things go awry.
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do {
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if ( !med ) {
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break;
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}
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// Get most recently used Nav window.
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med->GetMostRecentWindow( NS_LITERAL_STRING( "navigator:browser" ).get(), getter_AddRefs( navWin ) );
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if ( !navWin ) {
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// Have to open a new one.
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break;
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} else {
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// Check if we're using the cached (hidden) window.
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if ( mCachedWin == navWin ) {
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// Drop window from cache.
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mCachedWin = 0;
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// Show it.
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ReParent( win, 0 );
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} else {
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// No cached window, open a new one.
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rv = OpenWindow( "chrome://navigator/content", args );
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ReParent( navWin, 0 );
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}
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return rv;
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}
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// Get content window.
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navWin->GetContent( getter_AddRefs( content ) );
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if ( !content ) {
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break;
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}
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// Convert that to internal interface.
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internalContent = do_QueryInterface( content );
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if ( !internalContent ) {
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break;
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}
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// Get location.
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internalContent->GetLocation( getter_AddRefs( location ) );
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if ( !location ) {
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break;
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}
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// Set up environment.
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SafeJSContext context;
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if ( NS_FAILED( context.Push() ) ) {
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break;
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}
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// Set href.
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nsAutoString url; url.AssignWithConversion( args );
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if ( NS_FAILED( location->SetHref( url ) ) ) {
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break;
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}
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// Finally, if we get here, we're done.
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return NS_OK;
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} while ( PR_FALSE );
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// Last resort is to open a brand new window.
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return OpenWindow( "chrome://navigator/content", args );
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}
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NS_IMETHODIMP
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