michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsString.h"
michael@0: 
michael@0: #import <CoreServices/CoreServices.h>
michael@0: #import <Cocoa/Cocoa.h>
michael@0: 
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsNativeAppSupportBase.h"
michael@0: 
michael@0: #include "nsIAppShellService.h"
michael@0: #include "nsIAppStartup.h"
michael@0: #include "nsIBaseWindow.h"
michael@0: #include "nsICommandLineRunner.h"
michael@0: #include "nsIDOMWindow.h"
michael@0: #include "nsIDocShellTreeItem.h"
michael@0: #include "nsIDocShellTreeOwner.h"
michael@0: #include "nsIInterfaceRequestorUtils.h"
michael@0: #include "nsIObserver.h"
michael@0: #include "nsIServiceManager.h"
michael@0: #include "nsIWebNavigation.h"
michael@0: #include "nsIWidget.h"
michael@0: #include "nsIWindowMediator.h"
michael@0: 
michael@0: // This must be included last:
michael@0: #include "nsObjCExceptions.h"
michael@0: 
michael@0: nsresult
michael@0: GetNativeWindowPointerFromDOMWindow(nsIDOMWindow *a_window, NSWindow **a_nativeWindow)
michael@0: {
michael@0:   *a_nativeWindow = nil;
michael@0:   if (!a_window)
michael@0:     return NS_ERROR_INVALID_ARG;
michael@0: 
michael@0:   nsCOMPtr<nsIWebNavigation> mruWebNav(do_GetInterface(a_window));
michael@0:   if (mruWebNav) {
michael@0:     nsCOMPtr<nsIDocShellTreeItem> mruTreeItem(do_QueryInterface(mruWebNav));
michael@0:     nsCOMPtr<nsIDocShellTreeOwner> mruTreeOwner = nullptr;
michael@0:     mruTreeItem->GetTreeOwner(getter_AddRefs(mruTreeOwner));
michael@0:     if(mruTreeOwner) {
michael@0:       nsCOMPtr<nsIBaseWindow> mruBaseWindow(do_QueryInterface(mruTreeOwner));
michael@0:       if (mruBaseWindow) {
michael@0:         nsCOMPtr<nsIWidget> mruWidget = nullptr;
michael@0:         mruBaseWindow->GetMainWidget(getter_AddRefs(mruWidget));
michael@0:         if (mruWidget) {
michael@0:           *a_nativeWindow = (NSWindow*)mruWidget->GetNativeData(NS_NATIVE_WINDOW);
michael@0:         }
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: class nsNativeAppSupportCocoa : public nsNativeAppSupportBase
michael@0: {
michael@0: public:
michael@0:   nsNativeAppSupportCocoa() :
michael@0:     mCanShowUI(false) { }
michael@0: 
michael@0:   NS_IMETHOD Start(bool* aRetVal);
michael@0:   NS_IMETHOD ReOpen();
michael@0:   NS_IMETHOD Enable();
michael@0: 
michael@0: private:
michael@0:   bool mCanShowUI;
michael@0: };
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsNativeAppSupportCocoa::Enable()
michael@0: {
michael@0:   mCanShowUI = true;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: #define MAC_OS_X_VERSION_10_6_HEX 0x00001060
michael@0: 
michael@0: NS_IMETHODIMP nsNativeAppSupportCocoa::Start(bool *_retval)
michael@0: {
michael@0:   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
michael@0: 
michael@0:   SInt32 response = 0;
michael@0:   OSErr err = ::Gestalt (gestaltSystemVersion, &response);
michael@0:   response &= 0xFFFF; // The system version is in the low order word
michael@0: 
michael@0:   // Check that the OS version is supported, if not return false,
michael@0:   // which will make the browser quit.  In principle we could display an
michael@0:   // alert here.  But the alert's message and buttons would require custom
michael@0:   // localization.  So (for now at least) we just log an English message
michael@0:   // to the console before quitting.
michael@0:   if ((err != noErr) || response < MAC_OS_X_VERSION_10_6_HEX) {
michael@0:     NSLog(@"Minimum OS version requirement not met!");
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   *_retval = true;
michael@0:   return NS_OK;
michael@0: 
michael@0:   NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsNativeAppSupportCocoa::ReOpen()
michael@0: {
michael@0:   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
michael@0: 
michael@0:   if (!mCanShowUI)
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   bool haveNonMiniaturized = false;
michael@0:   bool haveOpenWindows = false;
michael@0:   bool done = false;
michael@0:   
michael@0:   nsCOMPtr<nsIWindowMediator> 
michael@0:     wm(do_GetService(NS_WINDOWMEDIATOR_CONTRACTID));
michael@0:   if (!wm) {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   } 
michael@0:   else {
michael@0:     nsCOMPtr<nsISimpleEnumerator> windowList;
michael@0:     wm->GetXULWindowEnumerator(nullptr, getter_AddRefs(windowList));
michael@0:     bool more;
michael@0:     windowList->HasMoreElements(&more);
michael@0:     while (more) {
michael@0:       nsCOMPtr<nsISupports> nextWindow = nullptr;
michael@0:       windowList->GetNext(getter_AddRefs(nextWindow));
michael@0:       nsCOMPtr<nsIBaseWindow> baseWindow(do_QueryInterface(nextWindow));
michael@0:       if (!baseWindow) {
michael@0:         windowList->HasMoreElements(&more);
michael@0:         continue;
michael@0:       }
michael@0:       else {
michael@0:         haveOpenWindows = true;
michael@0:       }
michael@0: 
michael@0:       nsCOMPtr<nsIWidget> widget = nullptr;
michael@0:       baseWindow->GetMainWidget(getter_AddRefs(widget));
michael@0:       if (!widget) {
michael@0:         windowList->HasMoreElements(&more);
michael@0:         continue;
michael@0:       }
michael@0:       NSWindow *cocoaWindow = (NSWindow*)widget->GetNativeData(NS_NATIVE_WINDOW);
michael@0:       if (![cocoaWindow isMiniaturized]) {
michael@0:         haveNonMiniaturized = true;
michael@0:         break;  //have un-minimized windows, nothing to do
michael@0:       } 
michael@0:       windowList->HasMoreElements(&more);
michael@0:     } // end while
michael@0:         
michael@0:     if (!haveNonMiniaturized) {
michael@0:       // Deminiaturize the most recenty used window
michael@0:       nsCOMPtr<nsIDOMWindow> mru;
michael@0:       wm->GetMostRecentWindow(nullptr, getter_AddRefs(mru));
michael@0:             
michael@0:       if (mru) {        
michael@0:         NSWindow *cocoaMru = nil;
michael@0:         GetNativeWindowPointerFromDOMWindow(mru, &cocoaMru);
michael@0:         if (cocoaMru) {
michael@0:           [cocoaMru deminiaturize:nil];
michael@0:           done = true;
michael@0:         }
michael@0:       }
michael@0:       
michael@0:     } // end if have non miniaturized
michael@0:     
michael@0:     if (!haveOpenWindows && !done) {
michael@0:       char* argv[] = { nullptr };
michael@0:     
michael@0:       // use an empty command line to make the right kind(s) of window open
michael@0:       nsCOMPtr<nsICommandLineRunner> cmdLine
michael@0:         (do_CreateInstance("@mozilla.org/toolkit/command-line;1"));
michael@0:       NS_ENSURE_TRUE(cmdLine, NS_ERROR_FAILURE);
michael@0: 
michael@0:       nsresult rv;
michael@0:       rv = cmdLine->Init(0, argv, nullptr,
michael@0:                          nsICommandLine::STATE_REMOTE_EXPLICIT);
michael@0:       NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:       return cmdLine->Run();
michael@0:     }
michael@0:     
michael@0:   } // got window mediator
michael@0:   return NS_OK;
michael@0: 
michael@0:   NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
michael@0: }
michael@0: 
michael@0: #pragma mark -
michael@0: 
michael@0: // Create and return an instance of class nsNativeAppSupportCocoa.
michael@0: nsresult NS_CreateNativeAppSupport(nsINativeAppSupport**aResult)
michael@0: {
michael@0:   *aResult = new nsNativeAppSupportCocoa;
michael@0:   if (!*aResult) return NS_ERROR_OUT_OF_MEMORY;
michael@0: 
michael@0:   NS_ADDREF(*aResult);
michael@0:   return NS_OK;
michael@0: }