Apertura del repositorio

indra/llplugin/slplugin/CMakeLists.txt

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+project(SLPlugin)
+
+include(00-Common)
+include(LLCommon)
+include(Linking)
+include(PluginAPI)
+
+### SLPlugin
+
+set(SLPlugin_SOURCE_FILES
+    slplugin.cpp
+    )
+
+if (DARWIN)
+  list(APPEND SLPlugin_SOURCE_FILES
+    slplugin-objc.mm
+  )
+  list(APPEND SLPlugin_HEADER_FILES
+    slplugin-objc.h
+  )
+endif (DARWIN)
+
+if (SLPlugin_HEADER_FILES)
+  list(APPEND SLPlugin_SOURCE_FILES ${SLPlugin_HEADER_FILES})
+endif (SLPlugin_HEADER_FILES)
+
+add_executable(SLPlugin
+    WIN32
+    MACOSX_BUNDLE
+    ${SLPlugin_SOURCE_FILES}
+    )
+
+if (WINDOWS)
+set_target_properties(SLPlugin
+  PROPERTIES
+  LINK_FLAGS_DEBUG "/NODEFAULTLIB:\"LIBCMTD\""
+  )
+else ()
+set_target_properties(SLPlugin
+  PROPERTIES
+  MACOSX_BUNDLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/slplugin_info.plist
+  )
+endif ()
+
+if(WINDOWS)
+  set_target_properties(SLPlugin
+   PROPERTIES
+   LINK_FLAGS "/debug"
+   )
+
+endif(WINDOWS)
+
+target_link_libraries(SLPlugin
+        llplugin
+        llmessage
+        llcommon
+        ll::pluginlibraries
+        )
+
+if (DARWIN)
+  # Make sure the app bundle has a Resources directory (it will get populated by viewer-manifest.py later)
+  add_custom_command(
+    TARGET SLPlugin POST_BUILD
+    COMMAND mkdir
+    ARGS
+      -p
+      ${CMAKE_CURRENT_BINARY_DIR}/$<IF:$<BOOL:${LL_GENERATOR_IS_MULTI_CONFIG}>,$<CONFIG>,>/SLPlugin.app/Contents/Resources
+  )
+endif (DARWIN)
+
+if (LL_TESTS)
+  ll_deploy_sharedlibs_command(SLPlugin)
+endif (LL_TESTS)

indra/llplugin/slplugin/slplugin-objc.h

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+/**
+ * @file slplugin-objc.h
+ * @brief Header file for slplugin-objc.mm.
+ *
+ * @cond
+ *
+ * $LicenseInfo:firstyear=2010&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ *
+ * @endcond
+ */
+
+//Protos for ObjectiveC classes (cannot import cocoa here due to BOOL conflict)
+#ifndef __OBJC__
+class NSWindow;
+#endif // __OBJC__
+
+/* Defined in slplugin-objc.mm: */
+
+class LLCocoaPlugin
+{
+public:
+    LLCocoaPlugin();
+    void setupCocoa();
+    void createAutoReleasePool();
+    void deleteAutoReleasePool();
+    void setupGroup();
+    void updateWindows();
+    void processEvents();
+public:
+    //EventTargetRef mEventTarget;
+    NSWindow* mFrontWindow;
+    NSWindow* mPluginWindow;
+    int mHackState;
+};
+
+

indra/llplugin/slplugin/slplugin-objc.mm

@@ -0,0 +1,177 @@
+/**
+ * @file slplugin-objc.mm
+ * @brief Objective-C++ file for use with the loader shell, so we can use a couple of Cocoa APIs.
+ *
+ * @cond
+ *
+ * $LicenseInfo:firstyear=2010&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ *
+ * @endcond
+ */
+
+
+#include <AppKit/AppKit.h>
+#import <Cocoa/Cocoa.h>
+
+#include "slplugin-objc.h"
+
+//Note: NSApp is a global defined by cocoa which is an id to the application.
+
+void LLCocoaPlugin::setupCocoa()
+{
+	static bool inited = false;
+	
+	if(!inited)
+	{
+		createAutoReleasePool();
+		
+		// The following prevents the Cocoa command line parser from trying to open 'unknown' arguements as documents.
+		// ie. running './secondlife -set Language fr' would cause a pop-up saying can't open document 'fr' 
+		// when init'ing the Cocoa App window.		
+		[[NSUserDefaults standardUserDefaults] setObject:@"NO" forKey:@"NSTreatUnknownArgumentsAsOpen"];
+		
+		// This is a bit of voodoo taken from the Apple sample code "CarbonCocoa_PictureCursor":
+		//   http://developer.apple.com/samplecode/CarbonCocoa_PictureCursor/index.html
+		
+		//	Needed for Carbon based applications which call into Cocoa
+		NSApplicationLoad();
+
+		//	Must first call [[[NSWindow alloc] init] release] to get the NSWindow machinery set up so that NSCursor can use a window to cache the cursor image
+		[[[NSWindow alloc] init] release];
+		
+        mPluginWindow = [NSApp mainWindow];
+        
+		deleteAutoReleasePool();
+		
+		inited = true;
+	}
+}
+
+static NSAutoreleasePool *sPool = NULL;
+
+void LLCocoaPlugin::createAutoReleasePool()
+{
+	if(!sPool)
+	{
+		sPool = [[NSAutoreleasePool alloc] init];
+	}
+}
+
+void LLCocoaPlugin::deleteAutoReleasePool()
+{
+	if(sPool)
+	{
+		[sPool release];
+		sPool = NULL;
+	}
+}
+
+LLCocoaPlugin::LLCocoaPlugin():mHackState(0)
+{
+    NSArray* window_list = [NSApp orderedWindows];
+    mFrontWindow = [window_list objectAtIndex:0];
+}
+
+void LLCocoaPlugin::processEvents()
+{
+     // Some plugins (webkit at least) will want an event loop.  This qualifies.
+    NSEvent * event;
+    event = [NSApp nextEventMatchingMask:NSEventMaskAny untilDate:[NSDate distantPast] inMode:NSDefaultRunLoopMode dequeue:YES];
+    [NSApp sendEvent: event];
+}
+
+
+//Turns out the window ordering stuff never gets hit with any of the current plugins.
+//Leaving the following code here 'just in case' for the time being.
+
+void LLCocoaPlugin::setupGroup()
+{
+    //    CreateWindowGroup(kWindowGroupAttrFixedLevel, &layer_group);
+    //    if(layer_group)
+    //    {
+    //        // Start out with a window layer that's way out in front (fixes the problem with the menubar not getting hidden on first switch to fullscreen youtube)
+    //        SetWindowGroupName(layer_group, CFSTR("SLPlugin Layer"));
+    //        SetWindowGroupLevel(layer_group, kCGOverlayWindowLevel);		
+    //    }
+    
+}
+
+void LLCocoaPlugin::updateWindows()  
+{
+//    NSArray* window_list = [NSApp orderedWindows];
+//    NSWindow* current_window = [window_list objectAtIndex:0];
+//    NSWindow* parent_window = [ current_window parentWindow ];
+//    bool this_is_front_process = false;
+//    bool parent_is_front_process = false;
+//
+//    
+//    // Check for a change in this process's frontmost window.
+//    if ( current_window != mFrontWindow )
+//    {
+//        // and figure out whether this process or its parent are currently frontmost
+//        if ( current_window == parent_window ) parent_is_front_process = true;
+//        if ( current_window == mPluginWindow ) this_is_front_process = true;
+//    
+//        if (current_window != NULL && mFrontWindow == NULL)
+//        {
+//            // Opening the first window
+//            
+//            if(mHackState == 0)
+//            {
+//                // Next time through the event loop, lower the window group layer
+//                mHackState = 1;
+//            }
+//            
+//            if(parent_is_front_process)
+//            {
+//                // Bring this process's windows to the front.
+//                [mPluginWindow makeKeyAndOrderFront:NSApp];
+//                [mPluginWindow setOrderedIndex:0];
+//            }
+//            
+//            [NSApp activateIgnoringOtherApps:YES];
+//        }
+//        
+//        else if (( current_window == NULL) && (mFrontWindow != NULL))
+//        {
+//            // Closing the last window
+//            
+//            if(this_is_front_process)
+//            {
+//                // Try to bring this process's parent to the front
+//                [parent_window makeKeyAndOrderFront:NSApp];
+//                [parent_window setOrderedIndex:0];
+//            }
+//        }
+//        else if(mHackState == 1)
+//        {
+////            if(layer_group)
+////            {
+////                // Set the window group level back to something less extreme
+////                SetWindowGroupLevel(layer_group, kCGNormalWindowLevel);
+////            }
+//            mHackState = 2;
+//        }
+//        
+//        mFrontWindow = [window_list objectAtIndex:0];
+//    }
+ }

indra/llplugin/slplugin/slplugin.cpp

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+/**
+ * @file slplugin.cpp
+ * @brief Loader shell for plugins, intended to be launched by the plugin host application, which directly loads a plugin dynamic library.
+ *
+ * @cond
+ *
+ * $LicenseInfo:firstyear=2008&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ *
+ * @endcond
+ */
+
+
+#include "linden_common.h"
+
+#include "llpluginprocesschild.h"
+#include "llpluginmessage.h"
+#include "llerrorcontrol.h"
+#include "llapr.h"
+#include "llstring.h"
+
+#include <iostream>
+#include <fstream>
+using namespace std;
+
+
+#if LL_DARWIN
+    #include "slplugin-objc.h"
+#endif
+
+#if LL_DARWIN || LL_LINUX
+    #include <signal.h>
+#endif
+
+/*
+    On Mac OS, since we call WaitNextEvent, this process will show up in the dock unless we set the LSBackgroundOnly or LSUIElement flag in the Info.plist.
+
+    Normally non-bundled binaries don't have an info.plist file, but it's possible to embed one in the binary by adding this to the linker flags:
+
+    -sectcreate __TEXT __info_plist /path/to/slplugin_info.plist
+
+    which means adding this to the gcc flags:
+
+    -Wl,-sectcreate,__TEXT,__info_plist,/path/to/slplugin_info.plist
+
+    Now that SLPlugin is a bundled app on the Mac, this is no longer necessary (it can just use a regular Info.plist file), but I'm leaving this comment in for posterity.
+*/
+
+#if LL_DARWIN || LL_LINUX
+// Signal handlers to make crashes not show an OS dialog...
+static void crash_handler(int sig)
+{
+    // Just exit cleanly.
+    // TODO: add our own crash reporting
+    _exit(1);
+}
+#endif
+
+#if LL_WINDOWS
+#include <windows.h>
+////////////////////////////////////////////////////////////////////////////////
+//  Our exception handler - will probably just exit and the host application
+//  will miss the heartbeat and log the error in the usual fashion.
+LONG WINAPI myWin32ExceptionHandler( struct _EXCEPTION_POINTERS* exception_infop )
+{
+    //std::cerr << "This plugin (" << __FILE__ << ") - ";
+    //std::cerr << "intercepted an unhandled exception and will exit immediately." << std::endl;
+
+    // TODO: replace exception handler before we exit?
+    return EXCEPTION_EXECUTE_HANDLER;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//  Hook our exception handler and replace the system one
+void initExceptionHandler()
+{
+    LPTOP_LEVEL_EXCEPTION_FILTER prev_filter;
+
+    // save old exception handler in case we need to restore it at the end
+    prev_filter = SetUnhandledExceptionFilter( myWin32ExceptionHandler );
+}
+
+bool checkExceptionHandler()
+{
+    bool ok = true;
+    LPTOP_LEVEL_EXCEPTION_FILTER prev_filter;
+    prev_filter = SetUnhandledExceptionFilter(myWin32ExceptionHandler);
+
+    if (prev_filter != myWin32ExceptionHandler)
+    {
+        LL_WARNS("AppInit") << "Our exception handler (" << (void *)myWin32ExceptionHandler << ") replaced with " << prev_filter << "!" << LL_ENDL;
+        ok = false;
+    }
+
+    if (prev_filter == nullptr)
+    {
+        ok = false;
+        if (nullptr == myWin32ExceptionHandler)
+        {
+            LL_WARNS("AppInit") << "Exception handler uninitialized." << LL_ENDL;
+        }
+        else
+        {
+            LL_WARNS("AppInit") << "Our exception handler (" << (void *)myWin32ExceptionHandler << ") replaced with NULL!" << LL_ENDL;
+        }
+    }
+
+    return ok;
+}
+#endif
+
+// If this application on Windows platform is a console application, a console is always
+// created which is bad. Making it a Windows "application" via CMake settings but not
+// adding any code to explicitly create windows does the right thing.
+#if LL_WINDOWS
+int APIENTRY WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow )
+#else
+int main(int argc, char **argv)
+#endif
+{
+    ll_init_apr();
+
+    // Set up llerror logging
+    {
+        LLError::initForApplication(".",".");
+        LLError::setDefaultLevel(LLError::LEVEL_INFO);
+//      LLError::setTagLevel("Plugin", LLError::LEVEL_DEBUG);
+//      LLError::logToFile("slplugin.log");
+    }
+
+#if LL_WINDOWS
+    if( strlen( lpCmdLine ) == 0 )
+    {
+        LL_ERRS("slplugin") << "usage: " << "SLPlugin" << " launcher_port" << LL_ENDL;
+    };
+
+    U32 port = 0;
+    if(!LLStringUtil::convertToU32(lpCmdLine, port))
+    {
+        LL_ERRS("slplugin") << "port number must be numeric" << LL_ENDL;
+    };
+
+    // Insert our exception handler into the system so this plugin doesn't
+    // display a crash message if something bad happens. The host app will
+    // see the missing heartbeat and log appropriately.
+    initExceptionHandler();
+#elif LL_DARWIN || LL_LINUX
+    if(argc < 2)
+    {
+        LL_ERRS("slplugin") << "usage: " << argv[0] << " launcher_port" << LL_ENDL;
+    }
+
+    U32 port = 0;
+    if(!LLStringUtil::convertToU32(argv[1], port))
+    {
+        LL_ERRS("slplugin") << "port number must be numeric" << LL_ENDL;
+    }
+
+    // Catch signals that most kinds of crashes will generate, and exit cleanly so the system crash dialog isn't shown.
+    signal(SIGILL, &crash_handler);     // illegal instruction
+    signal(SIGFPE, &crash_handler);     // floating-point exception
+    signal(SIGBUS, &crash_handler);     // bus error
+    signal(SIGSEGV, &crash_handler);    // segmentation violation
+    signal(SIGSYS, &crash_handler);     // non-existent system call invoked
+#endif
+# if LL_DARWIN
+    signal(SIGEMT, &crash_handler);     // emulate instruction executed
+
+    LLCocoaPlugin cocoa_interface;
+    cocoa_interface.setupCocoa();
+    cocoa_interface.createAutoReleasePool();
+#endif //LL_DARWIN
+
+    LLPluginProcessChild *plugin = new LLPluginProcessChild();
+
+    plugin->init(port);
+
+#if LL_DARWIN
+    cocoa_interface.deleteAutoReleasePool();
+#endif
+
+    LLTimer timer;
+    timer.start();
+
+#if LL_WINDOWS
+    checkExceptionHandler();
+#endif
+
+#if LL_DARWIN
+
+    // If the plugin opens a new window (such as the Flash plugin's fullscreen player), we may need to bring this plugin process to the foreground.
+    // Use this to track the current frontmost window and bring this process to the front if it changes.
+ //   cocoa_interface.mEventTarget = GetEventDispatcherTarget();
+#endif
+    while(!plugin->isDone())
+    {
+#if LL_DARWIN
+        cocoa_interface.createAutoReleasePool();
+#endif
+        timer.reset();
+        plugin->idle();
+#if LL_DARWIN
+        {
+            cocoa_interface.processEvents();
+        }
+#endif
+        F64 elapsed = timer.getElapsedTimeF64();
+        F64 remaining = plugin->getSleepTime() - elapsed;
+
+        if(remaining <= 0.0)
+        {
+            // We've already used our full allotment.
+//          LL_INFOS("slplugin") << "elapsed = " << elapsed * 1000.0f << " ms, remaining = " << remaining * 1000.0f << " ms, not sleeping" << LL_ENDL;
+
+            // Still need to service the network...
+            plugin->pump();
+        }
+        else
+        {
+
+//          LL_INFOS("slplugin") << "elapsed = " << elapsed * 1000.0f << " ms, remaining = " << remaining * 1000.0f << " ms, sleeping for " << remaining * 1000.0f << " ms" << LL_ENDL;
+//          timer.reset();
+
+            // This also services the network as needed.
+            plugin->sleep(remaining);
+
+//          LL_INFOS("slplugin") << "slept for "<< timer.getElapsedTimeF64() * 1000.0f << " ms" <<  LL_ENDL;
+        }
+
+
+#if LL_WINDOWS
+    // More agressive checking of interfering exception handlers.
+    // Doesn't appear to be required so far - even for plugins
+    // that do crash with a single call to the intercept
+    // exception handler such as QuickTime.
+    //checkExceptionHandler();
+#endif
+
+#if LL_DARWIN
+        cocoa_interface.deleteAutoReleasePool();
+#endif
+    }
+    delete plugin;
+
+    ll_cleanup_apr();
+
+
+    return 0;
+}

indra/llplugin/slplugin/slplugin_info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>LSUIElement</key>
+	<string>1</string>
+</dict>
+</plist>