diff options
Diffstat (limited to 'indra')
| -rw-r--r-- | indra/media_plugins/webkit/linux_volume_catcher.cpp | 1009 | 
1 files changed, 1009 insertions, 0 deletions
diff --git a/indra/media_plugins/webkit/linux_volume_catcher.cpp b/indra/media_plugins/webkit/linux_volume_catcher.cpp new file mode 100644 index 0000000000..cd68c20be1 --- /dev/null +++ b/indra/media_plugins/webkit/linux_volume_catcher.cpp @@ -0,0 +1,1009 @@ +/**  + * @file linux_volume_catcher.cpp + * @brief A Linux-specific, PulseAudio-specific hack to detect and volume-adjust new audio sources + * + * @cond + * $LicenseInfo:firstyear=2008&license=viewergpl$ + * + * Copyright (c) 2008, Linden Research, Inc. + *  + * Second Life Viewer Source Code + * The source code in this file ("Source Code") is provided by Linden Lab + * to you under the terms of the GNU General Public License, version 2.0 + * ("GPL"), unless you have obtained a separate licensing agreement + * ("Other License"), formally executed by you and Linden Lab.  Terms of + * the GPL can be found in doc/GPL-license.txt in this distribution, or + * online at http://secondlife.com/developers/opensource/gplv2 + *  + * There are special exceptions to the terms and conditions of the GPL as + * it is applied to this Source Code. View the full text of the exception + * in the file doc/FLOSS-exception.txt in this software distribution, or + * online at http://secondlife.com/developers/opensource/flossexception + *  + * By copying, modifying or distributing this software, you acknowledge + * that you have read and understood your obligations described above, + * and agree to abide by those obligations. + *  + * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO + * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, + * COMPLETENESS OR PERFORMANCE. + * $/LicenseInfo$ + * @endcond + */ + +#include "llqtwebkit.h" + +#include "linden_common.h" +#include "indra_constants.h" // for indra keyboard codes + +#include "llgl.h" + +#include "llplugininstance.h" +#include "llpluginmessage.h" +#include "llpluginmessageclasses.h" +#include "media_plugin_base.h" + +#if LL_WINDOWS +#include <direct.h> +#else +#include <unistd.h> +#include <stdlib.h> +#endif + +#if LL_WINDOWS +	// *NOTE:Mani - This captures the module handle fo rthe dll. This is used below +	// to get the path to this dll for webkit initialization. +	// I don't know how/if this can be done with apr... +	namespace {	HMODULE gModuleHandle;}; +	BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) +	{ +		gModuleHandle = (HMODULE) hinstDLL; +		return TRUE; +	} +#endif + +//////////////////////////////////////////////////////////////////////////////// +// +class MediaPluginWebKit :  +		public MediaPluginBase, +		public LLEmbeddedBrowserWindowObserver +{ +public: +	MediaPluginWebKit(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data); +	~MediaPluginWebKit(); + +	/*virtual*/ void receiveMessage(const char *message_string); + +private: + +	std::string mProfileDir; + +	enum +	{ +		INIT_STATE_UNINITIALIZED,		// Browser instance hasn't been set up yet +		INIT_STATE_NAVIGATING,			// Browser instance has been set up and initial navigate to about:blank has been issued +		INIT_STATE_NAVIGATE_COMPLETE,	// initial navigate to about:blank has completed +		INIT_STATE_WAIT_REDRAW,			// First real navigate begin has been received, waiting for page changed event to start handling redraws +		INIT_STATE_WAIT_COMPLETE,		// Waiting for first real navigate complete event +		INIT_STATE_RUNNING				// All initialization gymnastics are complete. +	}; +	int mBrowserWindowId; +	int mInitState; +	std::string mInitialNavigateURL; +	bool mNeedsUpdate; + +	bool	mCanCut; +	bool	mCanCopy; +	bool	mCanPaste; +	int mLastMouseX; +	int mLastMouseY; +	bool mFirstFocus; +	F32 mBackgroundR; +	F32 mBackgroundG; +	F32 mBackgroundB; +	 +	void setInitState(int state) +	{ +//		std::cerr << "changing init state to " << state << std::endl; +		mInitState = state; +	} +	 +	//////////////////////////////////////////////////////////////////////////////// +	// +	void update(int milliseconds) +	{ +		LLQtWebKit::getInstance()->pump( milliseconds ); +		 +		checkEditState(); +		 +		if(mInitState == INIT_STATE_NAVIGATE_COMPLETE) +		{ +			if(!mInitialNavigateURL.empty()) +			{ +				// We already have the initial navigate URL -- kick off the navigate. +				LLQtWebKit::getInstance()->navigateTo( mBrowserWindowId, mInitialNavigateURL ); +				mInitialNavigateURL.clear(); +			} +		} +		 +		if ( (mInitState > INIT_STATE_WAIT_REDRAW) && mNeedsUpdate ) +		{ +			const unsigned char* browser_pixels = LLQtWebKit::getInstance()->grabBrowserWindow( mBrowserWindowId ); + +			unsigned int buffer_size = LLQtWebKit::getInstance()->getBrowserRowSpan( mBrowserWindowId ) * LLQtWebKit::getInstance()->getBrowserHeight( mBrowserWindowId ); +			 +//			std::cerr << "webkit plugin: updating" << std::endl; +			 +			// TODO: should get rid of this memcpy if possible +			if ( mPixels && browser_pixels ) +			{ +//				std::cerr << "    memcopy of " << buffer_size << " bytes" << std::endl; +				memcpy( mPixels, browser_pixels, buffer_size ); +			} + +			if ( mWidth > 0 && mHeight > 0 ) +			{ +//				std::cerr << "Setting dirty, " << mWidth << " x " << mHeight << std::endl; +				setDirty( 0, 0, mWidth, mHeight ); +			} + +			mNeedsUpdate = false; +		}; +	}; + +	//////////////////////////////////////////////////////////////////////////////// +	// +	bool initBrowser() +	{ +		// already initialized +		if ( mInitState > INIT_STATE_UNINITIALIZED ) +			return true; + +		// not enough information to initialize the browser yet. +		if ( mWidth < 0 || mHeight < 0 || mDepth < 0 ||  +				mTextureWidth < 0 || mTextureHeight < 0 ) +		{ +			return false; +		}; + +		// set up directories +		char cwd[ FILENAME_MAX ];	// I *think* this is defined on all platforms we use +		if (NULL == getcwd( cwd, FILENAME_MAX - 1 )) +		{ +			llwarns << "Couldn't get cwd - probably too long - failing to init." << llendl; +			return false; +		} +		std::string application_dir = std::string( cwd ); + +#if LL_DARWIN +	// When running under the Xcode debugger, there's a setting called "Break on Debugger()/DebugStr()" which defaults to being turned on. +	// This causes the environment variable USERBREAK to be set to 1, which causes these legacy calls to break into the debugger. +	// This wouldn't cause any problems except for the fact that the current release version of the Flash plugin has a call to Debugger() in it +	// which gets hit when the plugin is probed by webkit. +	// Unsetting the environment variable here works around this issue. +	unsetenv("USERBREAK"); +#endif + +#if LL_WINDOWS +		//*NOTE:Mani - On windows, at least, the component path is the +		// location of this dll's image file.  +		std::string component_dir; +		char dll_path[_MAX_PATH]; +		DWORD len = GetModuleFileNameA(gModuleHandle, (LPCH)&dll_path, _MAX_PATH); +		while(len && dll_path[ len ] != ('\\') ) +		{ +			len--; +		} +		if(len >= 0) +		{ +			dll_path[len] = 0; +			component_dir = dll_path; +		} +		else +		{ +			// *NOTE:Mani - This case should be an rare exception.  +			// GetModuleFileNameA should always give you a full path, no? +			component_dir = application_dir; +		} +#else +		std::string component_dir = application_dir; +#endif + +		// window handle - needed on Windows and must be app window. +#if LL_WINDOWS +		char window_title[ MAX_PATH ]; +		GetConsoleTitleA( window_title, MAX_PATH ); +		void* native_window_handle = (void*)FindWindowA( NULL, window_title ); +#else +		void* native_window_handle = 0; +#endif + +		// main browser initialization +		bool result = LLQtWebKit::getInstance()->init( application_dir, component_dir, mProfileDir, native_window_handle ); +		if ( result ) +		{ +			// create single browser window +			mBrowserWindowId = LLQtWebKit::getInstance()->createBrowserWindow( mWidth, mHeight ); +#if LL_WINDOWS +			// Enable plugins +			LLQtWebKit::getInstance()->enablePlugins(true); +#elif LL_DARWIN +			// Enable plugins +			LLQtWebKit::getInstance()->enablePlugins(true); +#elif LL_LINUX +			// Enable plugins +			LLQtWebKit::getInstance()->enablePlugins(true); +#endif +			// Enable cookies +			LLQtWebKit::getInstance()->enableCookies( true ); + +			// tell LLQtWebKit about the size of the browser window +			LLQtWebKit::getInstance()->setSize( mBrowserWindowId, mWidth, mHeight ); + +			// observer events that LLQtWebKit emits +			LLQtWebKit::getInstance()->addObserver( mBrowserWindowId, this ); + +			// append details to agent string +			LLQtWebKit::getInstance()->setBrowserAgentId( "LLPluginMedia Web Browser" ); + +			// don't flip bitmap +			LLQtWebKit::getInstance()->flipWindow( mBrowserWindowId, true ); +			 +			// set background color +			// convert background color channels from [0.0, 1.0] to [0, 255]; +			LLQtWebKit::getInstance()->setBackgroundColor( mBrowserWindowId, int(mBackgroundR * 255.0f), int(mBackgroundG * 255.0f), int(mBackgroundB * 255.0f) ); + +			// Set state _before_ starting the navigate, since onNavigateBegin might get called before this call returns. +			setInitState(INIT_STATE_NAVIGATING); + +			// Don't do this here -- it causes the dreaded "white flash" when loading a browser instance. +			// FIXME: Re-added this because navigating to a "page" initializes things correctly - especially +			// for the HTTP AUTH dialog issues (DEV-41731). Will fix at a later date. +			// Build a data URL like this: "data:text/html,%3Chtml%3E%3Cbody bgcolor=%22#RRGGBB%22%3E%3C/body%3E%3C/html%3E" +			// where RRGGBB is the background color in HTML style +			std::stringstream url; +			 +			url << "data:text/html,%3Chtml%3E%3Cbody%20bgcolor=%22#"; +			// convert background color channels from [0.0, 1.0] to [0, 255]; +			url << std::setfill('0') << std::setw(2) << std::hex << int(mBackgroundR * 255.0f); +			url << std::setfill('0') << std::setw(2) << std::hex << int(mBackgroundG * 255.0f); +			url << std::setfill('0') << std::setw(2) << std::hex << int(mBackgroundB * 255.0f); +			url << "%22%3E%3C/body%3E%3C/html%3E"; +			 +			lldebugs << "data url is: " << url.str() << llendl; +						 +			LLQtWebKit::getInstance()->navigateTo( mBrowserWindowId, url.str() ); +//			LLQtWebKit::getInstance()->navigateTo( mBrowserWindowId, "about:blank" ); + +			return true; +		}; + +		return false; +	}; + + +	//////////////////////////////////////////////////////////////////////////////// +	// virtual +	void onCursorChanged(const EventType& event) +	{ +		LLQtWebKit::ECursor llqt_cursor = (LLQtWebKit::ECursor)event.getIntValue(); +		std::string name; + +		switch(llqt_cursor) +		{ +			case LLQtWebKit::C_ARROW: +				name = "arrow"; +			break; +			case LLQtWebKit::C_IBEAM: +				name = "ibeam"; +			break; +			case LLQtWebKit::C_SPLITV: +				name = "splitv"; +			break; +			case LLQtWebKit::C_SPLITH: +				name = "splith"; +			break; +			case LLQtWebKit::C_POINTINGHAND: +				name = "hand"; +			break; +			 +			default: +				llwarns << "Unknown cursor ID: " << (int)llqt_cursor << llendl; +			break; +		} +		 +		LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "cursor_changed"); +		message.setValue("name", name); +		sendMessage(message); +	} + +	//////////////////////////////////////////////////////////////////////////////// +	// virtual +	void onPageChanged( const EventType& event ) +	{ +		if(mInitState == INIT_STATE_WAIT_REDRAW) +		{ +			setInitState(INIT_STATE_WAIT_COMPLETE); +		} +		 +		// flag that an update is required +		mNeedsUpdate = true; +	}; + +	//////////////////////////////////////////////////////////////////////////////// +	// virtual +	void onNavigateBegin(const EventType& event) +	{ +		if(mInitState >= INIT_STATE_NAVIGATE_COMPLETE) +		{ +			LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "navigate_begin"); +			message.setValue("uri", event.getEventUri()); +			sendMessage(message); +		 +			setStatus(STATUS_LOADING); +		} + +		if(mInitState == INIT_STATE_NAVIGATE_COMPLETE) +		{ +			// Skip the WAIT_REDRAW state now -- with the right background color set, it should no longer be necessary. +//			setInitState(INIT_STATE_WAIT_REDRAW); +			setInitState(INIT_STATE_WAIT_COMPLETE); +		} +		 +	} + +	//////////////////////////////////////////////////////////////////////////////// +	// virtual +	void onNavigateComplete(const EventType& event) +	{ +		if(mInitState >= INIT_STATE_NAVIGATE_COMPLETE) +		{ +			if(mInitState < INIT_STATE_RUNNING) +			{ +				setInitState(INIT_STATE_RUNNING); +				 +				// Clear the history, so the "back" button doesn't take you back to "about:blank". +				LLQtWebKit::getInstance()->clearHistory(mBrowserWindowId); +			} +			 +			LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "navigate_complete"); +			message.setValue("uri", event.getEventUri()); +			message.setValueS32("result_code", event.getIntValue()); +			message.setValue("result_string", event.getStringValue()); +			message.setValueBoolean("history_back_available", LLQtWebKit::getInstance()->userActionIsEnabled( mBrowserWindowId, LLQtWebKit::UA_NAVIGATE_BACK)); +			message.setValueBoolean("history_forward_available", LLQtWebKit::getInstance()->userActionIsEnabled( mBrowserWindowId, LLQtWebKit::UA_NAVIGATE_FORWARD)); +			sendMessage(message); +			 +			setStatus(STATUS_LOADED); +		} +		else if(mInitState == INIT_STATE_NAVIGATING) +		{ +			setInitState(INIT_STATE_NAVIGATE_COMPLETE); +		} + +	} + +	//////////////////////////////////////////////////////////////////////////////// +	// virtual +	void onUpdateProgress(const EventType& event) +	{ +		if(mInitState >= INIT_STATE_NAVIGATE_COMPLETE) +		{ +			LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "progress"); +			message.setValueS32("percent", event.getIntValue()); +			sendMessage(message); +		} +	} +	 +	//////////////////////////////////////////////////////////////////////////////// +	// virtual +	void onStatusTextChange(const EventType& event) +	{ +		if(mInitState >= INIT_STATE_NAVIGATE_COMPLETE) +		{ +			LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "status_text"); +			message.setValue("status", event.getStringValue()); +			sendMessage(message); +		} +	} + +	//////////////////////////////////////////////////////////////////////////////// +	// virtual +	void onTitleChange(const EventType& event) +	{ +		if(mInitState >= INIT_STATE_NAVIGATE_COMPLETE) +		{ +			LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "name_text"); +			message.setValue("name", event.getStringValue()); +			sendMessage(message); +		} +	} + +	//////////////////////////////////////////////////////////////////////////////// +	// virtual +	void onLocationChange(const EventType& event) +	{ +		if(mInitState >= INIT_STATE_NAVIGATE_COMPLETE) +		{ +			LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "location_changed"); +			message.setValue("uri", event.getEventUri()); +			sendMessage(message); +		} +	} +	 +	//////////////////////////////////////////////////////////////////////////////// +	// virtual +	void onClickLinkHref(const EventType& event) +	{ +		LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "click_href"); +		message.setValue("uri", event.getStringValue()); +		message.setValue("target", event.getStringValue2()); +		message.setValueU32("target_type", event.getLinkType()); +		sendMessage(message); +	} +	 +	//////////////////////////////////////////////////////////////////////////////// +	// virtual +	void onClickLinkNoFollow(const EventType& event) +	{ +		LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "click_nofollow"); +		message.setValue("uri", event.getStringValue()); +		sendMessage(message); +	} +	 +	LLQtWebKit::EKeyboardModifier decodeModifiers(std::string &modifiers) +	{ +		int result = 0; +		 +		if(modifiers.find("shift") != std::string::npos) +			result |= LLQtWebKit::KM_MODIFIER_SHIFT; + +		if(modifiers.find("alt") != std::string::npos) +			result |= LLQtWebKit::KM_MODIFIER_ALT; +		 +		if(modifiers.find("control") != std::string::npos) +			result |= LLQtWebKit::KM_MODIFIER_CONTROL; +		 +		if(modifiers.find("meta") != std::string::npos) +			result |= LLQtWebKit::KM_MODIFIER_META; +		 +		return (LLQtWebKit::EKeyboardModifier)result; +	} +	 +	//////////////////////////////////////////////////////////////////////////////// +	// +	void deserializeKeyboardData( LLSD native_key_data, uint32_t& native_scan_code, uint32_t& native_virtual_key, uint32_t& native_modifiers ) +	{ +		native_scan_code = 0; +		native_virtual_key = 0; +		native_modifiers = 0; +		 +		if( native_key_data.isMap() ) +		{ +#if LL_DARWIN +			native_scan_code = (uint32_t)(native_key_data["char_code"].asInteger()); +			native_virtual_key = (uint32_t)(native_key_data["key_code"].asInteger()); +			native_modifiers = (uint32_t)(native_key_data["modifiers"].asInteger()); +#elif LL_WINDOWS +			native_scan_code = (uint32_t)(native_key_data["scan_code"].asInteger()); +			native_virtual_key = (uint32_t)(native_key_data["virtual_key"].asInteger()); +			// TODO: I don't think we need to do anything with native modifiers here -- please verify +#elif LL_LINUX +			native_scan_code = (uint32_t)(native_key_data["scan_code"].asInteger()); +			native_virtual_key = (uint32_t)(native_key_data["virtual_key"].asInteger()); +			native_modifiers = (uint32_t)(native_key_data["modifiers"].asInteger()); +#else +			// Add other platforms here as needed +#endif +		}; +	}; + +	//////////////////////////////////////////////////////////////////////////////// +	// +	void keyEvent(LLQtWebKit::EKeyEvent key_event, int key, LLQtWebKit::EKeyboardModifier modifiers, LLSD native_key_data = LLSD::emptyMap()) +	{ +		// The incoming values for 'key' will be the ones from indra_constants.h +		std::string utf8_text; +		 +		if(key < KEY_SPECIAL) +		{ +			// Low-ascii characters need to get passed through. +			utf8_text = (char)key; +		} +		 +		// Any special-case handling we want to do for particular keys... +		switch((KEY)key) +		{ +			// ASCII codes for some standard keys +			case LLQtWebKit::KEY_BACKSPACE:		utf8_text = (char)8;		break; +			case LLQtWebKit::KEY_TAB:			utf8_text = (char)9;		break; +			case LLQtWebKit::KEY_RETURN:		utf8_text = (char)13;		break; +			case LLQtWebKit::KEY_PAD_RETURN:	utf8_text = (char)13;		break; +			case LLQtWebKit::KEY_ESCAPE:		utf8_text = (char)27;		break; +			 +			default:   +			break; +		} +		 +//		std::cerr << "key event " << (int)key_event << ", native_key_data = " << native_key_data << std::endl; +		 +		uint32_t native_scan_code = 0; +		uint32_t native_virtual_key = 0; +		uint32_t native_modifiers = 0; +		deserializeKeyboardData( native_key_data, native_scan_code, native_virtual_key, native_modifiers ); +		 +		LLQtWebKit::getInstance()->keyboardEvent( mBrowserWindowId, key_event, (uint32_t)key, utf8_text.c_str(), modifiers, native_scan_code, native_virtual_key, native_modifiers); + +		checkEditState(); +	}; + +	//////////////////////////////////////////////////////////////////////////////// +	// +	void unicodeInput( const std::string &utf8str, LLQtWebKit::EKeyboardModifier modifiers, LLSD native_key_data = LLSD::emptyMap()) +	{		 +		uint32_t key = LLQtWebKit::KEY_NONE; +		 +//		std::cerr << "unicode input, native_key_data = " << native_key_data << std::endl; +		 +		if(utf8str.size() == 1) +		{ +			// The only way a utf8 string can be one byte long is if it's actually a single 7-bit ascii character. +			// In this case, use it as the key value. +			key = utf8str[0]; +		} + +		uint32_t native_scan_code = 0; +		uint32_t native_virtual_key = 0; +		uint32_t native_modifiers = 0; +		deserializeKeyboardData( native_key_data, native_scan_code, native_virtual_key, native_modifiers ); +		 +		LLQtWebKit::getInstance()->keyboardEvent( mBrowserWindowId, LLQtWebKit::KE_KEY_DOWN, (uint32_t)key, utf8str.c_str(), modifiers, native_scan_code, native_virtual_key, native_modifiers); +		LLQtWebKit::getInstance()->keyboardEvent( mBrowserWindowId, LLQtWebKit::KE_KEY_UP, (uint32_t)key, utf8str.c_str(), modifiers, native_scan_code, native_virtual_key, native_modifiers); + +		checkEditState(); +	}; +	 +	void checkEditState(void) +	{ +		bool can_cut = LLQtWebKit::getInstance()->userActionIsEnabled( mBrowserWindowId, LLQtWebKit::UA_EDIT_CUT); +		bool can_copy = LLQtWebKit::getInstance()->userActionIsEnabled( mBrowserWindowId, LLQtWebKit::UA_EDIT_COPY); +		bool can_paste = LLQtWebKit::getInstance()->userActionIsEnabled( mBrowserWindowId, LLQtWebKit::UA_EDIT_PASTE); +					 +		if((can_cut != mCanCut) || (can_copy != mCanCopy) || (can_paste != mCanPaste)) +		{ +			LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "edit_state"); +			 +			if(can_cut != mCanCut) +			{ +				mCanCut = can_cut; +				message.setValueBoolean("cut", can_cut); +			} + +			if(can_copy != mCanCopy) +			{ +				mCanCopy = can_copy; +				message.setValueBoolean("copy", can_copy); +			} + +			if(can_paste != mCanPaste) +			{ +				mCanPaste = can_paste; +				message.setValueBoolean("paste", can_paste); +			} +			 +			sendMessage(message); +			 +		} +	} + +}; + +MediaPluginWebKit::MediaPluginWebKit(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data) : +	MediaPluginBase(host_send_func, host_user_data) +{ +//	std::cerr << "MediaPluginWebKit constructor" << std::endl; + +	mBrowserWindowId = 0; +	mInitState = INIT_STATE_UNINITIALIZED; +	mNeedsUpdate = true; +	mCanCut = false; +	mCanCopy = false; +	mCanPaste = false; +	mLastMouseX = 0; +	mLastMouseY = 0; +	mFirstFocus = true; +	mBackgroundR = 0.0f; +	mBackgroundG = 0.0f; +	mBackgroundB = 0.0f; +} + +MediaPluginWebKit::~MediaPluginWebKit() +{ +	// unhook observer +	LLQtWebKit::getInstance()->remObserver( mBrowserWindowId, this ); + +	// clean up +	LLQtWebKit::getInstance()->reset(); + +//	std::cerr << "MediaPluginWebKit destructor" << std::endl; +} + +void MediaPluginWebKit::receiveMessage(const char *message_string) +{ +//	std::cerr << "MediaPluginWebKit::receiveMessage: received message: \"" << message_string << "\"" << std::endl; +	LLPluginMessage message_in; +	 +	if(message_in.parse(message_string) >= 0) +	{ +		std::string message_class = message_in.getClass(); +		std::string message_name = message_in.getName(); +		if(message_class == LLPLUGIN_MESSAGE_CLASS_BASE) +		{ +			if(message_name == "init") +			{ +				std::string user_data_path = message_in.getValue("user_data_path"); // n.b. always has trailing platform-specific dir-delimiter +				mProfileDir = user_data_path + "browser_profile"; + +				LLPluginMessage message("base", "init_response"); +				LLSD versions = LLSD::emptyMap(); +				versions[LLPLUGIN_MESSAGE_CLASS_BASE] = LLPLUGIN_MESSAGE_CLASS_BASE_VERSION; +				versions[LLPLUGIN_MESSAGE_CLASS_MEDIA] = LLPLUGIN_MESSAGE_CLASS_MEDIA_VERSION; +				versions[LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER] = LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER_VERSION; +				message.setValueLLSD("versions", versions); + +				std::string plugin_version = "Webkit media plugin, Webkit version "; +				plugin_version += LLQtWebKit::getInstance()->getVersion(); +				message.setValue("plugin_version", plugin_version); +				sendMessage(message); +				 +				// Plugin gets to decide the texture parameters to use. +				mDepth = 4; + +				message.setMessage(LLPLUGIN_MESSAGE_CLASS_MEDIA, "texture_params"); +				message.setValueS32("default_width", 1024); +				message.setValueS32("default_height", 1024); +				message.setValueS32("depth", mDepth); +				message.setValueU32("internalformat", GL_RGBA); +				message.setValueU32("format", GL_RGBA); +				message.setValueU32("type", GL_UNSIGNED_BYTE); +				message.setValueBoolean("coords_opengl", true); +				sendMessage(message); +			} +			else if(message_name == "idle") +			{ +				// no response is necessary here. +				F64 time = message_in.getValueReal("time"); +				 +				// Convert time to milliseconds for update() +				update((int)(time * 1000.0f)); +			} +			else if(message_name == "cleanup") +			{ +				// DTOR most likely won't be called but the recent change to the way this process +				// is (not) killed means we see this message and can do what we need to here. +				// Note: this cleanup is ultimately what writes cookies to the disk +				LLQtWebKit::getInstance()->remObserver( mBrowserWindowId, this ); +				LLQtWebKit::getInstance()->reset(); +			} +			else if(message_name == "shm_added") +			{ +				SharedSegmentInfo info; +				info.mAddress = message_in.getValuePointer("address"); +				info.mSize = (size_t)message_in.getValueS32("size"); +				std::string name = message_in.getValue("name"); +				 +//				std::cerr << "MediaPluginWebKit::receiveMessage: shared memory added, name: " << name  +//					<< ", size: " << info.mSize  +//					<< ", address: " << info.mAddress  +//					<< std::endl; + +				mSharedSegments.insert(SharedSegmentMap::value_type(name, info)); +			 +			} +			else if(message_name == "shm_remove") +			{ +				std::string name = message_in.getValue("name"); +				 +//				std::cerr << "MediaPluginWebKit::receiveMessage: shared memory remove, name = " << name << std::endl; + +				SharedSegmentMap::iterator iter = mSharedSegments.find(name); +				if(iter != mSharedSegments.end()) +				{ +					if(mPixels == iter->second.mAddress) +					{ +						// This is the currently active pixel buffer.  Make sure we stop drawing to it. +						mPixels = NULL; +						mTextureSegmentName.clear(); +					} +					mSharedSegments.erase(iter); +				} +				else +				{ +//					std::cerr << "MediaPluginWebKit::receiveMessage: unknown shared memory region!" << std::endl; +				} + +				// Send the response so it can be cleaned up. +				LLPluginMessage message("base", "shm_remove_response"); +				message.setValue("name", name); +				sendMessage(message); +			} +			else +			{ +//				std::cerr << "MediaPluginWebKit::receiveMessage: unknown base message: " << message_name << std::endl; +			} +		} +		else if(message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA) +		{ +			if(message_name == "size_change") +			{ +				std::string name = message_in.getValue("name"); +				S32 width = message_in.getValueS32("width"); +				S32 height = message_in.getValueS32("height"); +				S32 texture_width = message_in.getValueS32("texture_width"); +				S32 texture_height = message_in.getValueS32("texture_height"); +				mBackgroundR = message_in.getValueReal("background_r"); +				mBackgroundG = message_in.getValueReal("background_g"); +				mBackgroundB = message_in.getValueReal("background_b"); +//				mBackgroundA = message_in.setValueReal("background_a");		// Ignore any alpha +								 +				if(!name.empty()) +				{ +					// Find the shared memory region with this name +					SharedSegmentMap::iterator iter = mSharedSegments.find(name); +					if(iter != mSharedSegments.end()) +					{ +						mPixels = (unsigned char*)iter->second.mAddress; +						mWidth = width; +						mHeight = height; + +						// initialize (only gets called once) +						initBrowser(); + +						// size changed so tell the browser +						LLQtWebKit::getInstance()->setSize( mBrowserWindowId, mWidth, mHeight ); +						 +//						std::cerr << "webkit plugin: set size to " << mWidth << " x " << mHeight  +//								<< ", rowspan is " << LLQtWebKit::getInstance()->getBrowserRowSpan(mBrowserWindowId) << std::endl; +								 +						S32 real_width = LLQtWebKit::getInstance()->getBrowserRowSpan(mBrowserWindowId) / LLQtWebKit::getInstance()->getBrowserDepth(mBrowserWindowId);  +						 +						// The actual width the browser will be drawing to is probably smaller... let the host know by modifying texture_width in the response. +						if(real_width <= texture_width) +						{ +							texture_width = real_width; +						} +						else +						{ +							// This won't work -- it'll be bigger than the allocated memory.  This is a fatal error. +//							std::cerr << "Fatal error: browser rowbytes greater than texture width" << std::endl; +							mDeleteMe = true; +							return; +						} +						 +						mTextureWidth = texture_width; +						mTextureHeight = texture_height; +						 +					}; +				}; + +				LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "size_change_response"); +				message.setValue("name", name); +				message.setValueS32("width", width); +				message.setValueS32("height", height); +				message.setValueS32("texture_width", texture_width); +				message.setValueS32("texture_height", texture_height); +				sendMessage(message); + +			} +			else if(message_name == "load_uri") +			{ +				std::string uri = message_in.getValue("uri"); + +//				std::cout << "loading URI: " << uri << std::endl; +				 +				if(!uri.empty()) +				{ +					if(mInitState >= INIT_STATE_NAVIGATE_COMPLETE) +					{ +						LLQtWebKit::getInstance()->navigateTo( mBrowserWindowId, uri ); +					} +					else +					{ +						mInitialNavigateURL = uri; +					} +				} +			} +			else if(message_name == "mouse_event") +			{ +				std::string event = message_in.getValue("event"); +				S32 button = message_in.getValueS32("button"); +				mLastMouseX = message_in.getValueS32("x"); +				mLastMouseY = message_in.getValueS32("y"); +				std::string modifiers = message_in.getValue("modifiers"); +				 +				// Treat unknown mouse events as mouse-moves. +				LLQtWebKit::EMouseEvent mouse_event = LLQtWebKit::ME_MOUSE_MOVE; +				if(event == "down") +				{ +					mouse_event = LLQtWebKit::ME_MOUSE_DOWN; +				} +				else if(event == "up") +				{ +					mouse_event = LLQtWebKit::ME_MOUSE_UP; +				} +				else if(event == "double_click") +				{ +					mouse_event = LLQtWebKit::ME_MOUSE_DOUBLE_CLICK; +				} +				 +				LLQtWebKit::getInstance()->mouseEvent( mBrowserWindowId, mouse_event, button, mLastMouseX, mLastMouseY, decodeModifiers(modifiers)); +				checkEditState(); +			} +			else if(message_name == "scroll_event") +			{ +				S32 x = message_in.getValueS32("x"); +				S32 y = message_in.getValueS32("y"); +				std::string modifiers = message_in.getValue("modifiers"); +				 +				// Incoming scroll events are adjusted so that 1 detent is approximately 1 unit. +				// Qt expects 1 detent to be 120 units. +				// It also seems that our y scroll direction is inverted vs. what Qt expects. +				 +				x *= 120; +				y *= -120; +				 +				LLQtWebKit::getInstance()->scrollWheelEvent(mBrowserWindowId, mLastMouseX, mLastMouseY, x, y, decodeModifiers(modifiers)); +			} +			else if(message_name == "key_event") +			{ +				std::string event = message_in.getValue("event"); +				S32 key = message_in.getValueS32("key"); +				std::string modifiers = message_in.getValue("modifiers"); +				LLSD native_key_data = message_in.getValueLLSD("native_key_data"); +				 +				// Treat unknown events as key-up for safety. +				LLQtWebKit::EKeyEvent key_event = LLQtWebKit::KE_KEY_UP; +				if(event == "down") +				{ +					key_event = LLQtWebKit::KE_KEY_DOWN; +				} +				else if(event == "repeat") +				{ +					key_event = LLQtWebKit::KE_KEY_REPEAT; +				} +				 +				keyEvent(key_event, key, decodeModifiers(modifiers), native_key_data); +			} +			else if(message_name == "text_event") +			{ +				std::string text = message_in.getValue("text"); +				std::string modifiers = message_in.getValue("modifiers"); +				LLSD native_key_data = message_in.getValueLLSD("native_key_data"); +				 +				unicodeInput(text, decodeModifiers(modifiers), native_key_data); +			} +			if(message_name == "edit_cut") +			{ +				LLQtWebKit::getInstance()->userAction( mBrowserWindowId, LLQtWebKit::UA_EDIT_CUT ); +				checkEditState(); +			} +			if(message_name == "edit_copy") +			{ +				LLQtWebKit::getInstance()->userAction( mBrowserWindowId, LLQtWebKit::UA_EDIT_COPY ); +				checkEditState(); +			} +			if(message_name == "edit_paste") +			{ +				LLQtWebKit::getInstance()->userAction( mBrowserWindowId, LLQtWebKit::UA_EDIT_PASTE ); +				checkEditState(); +			} +			else +			{ +//				std::cerr << "MediaPluginWebKit::receiveMessage: unknown media message: " << message_string << std::endl; +			}; +		} +		else if(message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER) +		{ +			if(message_name == "focus") +			{ +				bool val = message_in.getValueBoolean("focused"); +				LLQtWebKit::getInstance()->focusBrowser( mBrowserWindowId, val ); +				 +				if(mFirstFocus && val) +				{ +					// On the first focus, post a tab key event.  This fixes a problem with initial focus. +					std::string empty; +					keyEvent(LLQtWebKit::KE_KEY_DOWN, KEY_TAB, decodeModifiers(empty)); +					keyEvent(LLQtWebKit::KE_KEY_UP, KEY_TAB, decodeModifiers(empty)); +					mFirstFocus = false; +				} +			} +			else if(message_name == "clear_cache") +			{ +				LLQtWebKit::getInstance()->clearCache(); +			} +			else if(message_name == "clear_cookies") +			{ +				LLQtWebKit::getInstance()->clearAllCookies(); +			} +			else if(message_name == "enable_cookies") +			{ +				bool val = message_in.getValueBoolean("enable"); +				LLQtWebKit::getInstance()->enableCookies( val ); +			} +			else if(message_name == "proxy_setup") +			{ +				bool val = message_in.getValueBoolean("enable"); +				std::string host = message_in.getValue("host"); +				int port = message_in.getValueS32("port"); +				LLQtWebKit::getInstance()->enableProxy( val, host, port ); +			} +			else if(message_name == "browse_stop") +			{ +				LLQtWebKit::getInstance()->userAction( mBrowserWindowId, LLQtWebKit::UA_NAVIGATE_STOP ); +			} +			else if(message_name == "browse_reload") +			{ +				// foo = message_in.getValueBoolean("ignore_cache"); +				LLQtWebKit::getInstance()->userAction( mBrowserWindowId, LLQtWebKit::UA_NAVIGATE_RELOAD ); +			} +			else if(message_name == "browse_forward") +			{ +				LLQtWebKit::getInstance()->userAction( mBrowserWindowId, LLQtWebKit::UA_NAVIGATE_FORWARD ); +			} +			else if(message_name == "browse_back") +			{ +				LLQtWebKit::getInstance()->userAction( mBrowserWindowId, LLQtWebKit::UA_NAVIGATE_BACK ); +			} +			else if(message_name == "set_status_redirect") +			{ +				int code = message_in.getValueS32("code"); +				std::string url = message_in.getValue("url"); +				if ( 404 == code )	// browser lib only supports 404 right now +				{ +					LLQtWebKit::getInstance()->set404RedirectUrl( mBrowserWindowId, url ); +				}; +			} +			else if(message_name == "set_user_agent") +			{ +				std::string user_agent = message_in.getValue("user_agent"); +				LLQtWebKit::getInstance()->setBrowserAgentId( user_agent ); +			} +			else if(message_name == "init_history") +			{ +				// Initialize browser history +				LLSD history = message_in.getValueLLSD("history"); +				// First, clear the URL history +				LLQtWebKit::getInstance()->clearHistory(mBrowserWindowId); +				// Then, add the history items in order +				LLSD::array_iterator iter_history = history.beginArray(); +				LLSD::array_iterator end_history = history.endArray(); +				for(; iter_history != end_history; ++iter_history) +				{ +					std::string url = (*iter_history).asString(); +					if(! url.empty()) { +						LLQtWebKit::getInstance()->prependHistoryUrl(mBrowserWindowId, url); +					} +				} +			} +			else +			{ +//				std::cerr << "MediaPluginWebKit::receiveMessage: unknown media_browser message: " << message_string << std::endl; +			}; +		} +		else +		{ +//			std::cerr << "MediaPluginWebKit::receiveMessage: unknown message class: " << message_class << std::endl; +		}; +	} +} + +int init_media_plugin(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data, LLPluginInstance::sendMessageFunction *plugin_send_func, void **plugin_user_data) +{ +	MediaPluginWebKit *self = new MediaPluginWebKit(host_send_func, host_user_data); +	*plugin_send_func = MediaPluginWebKit::staticReceiveMessage; +	*plugin_user_data = (void*)self; + +	return 0; +} +  | 
