svn merge -r 129841:129910 svn+ssh://svn.lindenlab.com/svn/linden/branches/moss/pluginapi_05-merge@129910

svn merge -r 129913:131718 svn+ssh://svn.lindenlab.com/svn/linden/branches/pluginapi/pluginapi_05

Some branch shenannigans in the pluginapi_05 branch caused this to become a two-part merge.

1 files changed, 1042 insertions, 0 deletions

diff --git a/indra/llplugin/llpluginclassmedia.cpp b/indra/llplugin/llpluginclassmedia.cpp
new file mode 100644
index 0000000000..54f153d182
--- /dev/null
+++ b/indra/llplugin/llpluginclassmedia.cpp
@@ -0,0 +1,1042 @@
+/** 
+ * @file llpluginclassmedia.cpp
+ * @brief LLPluginClassMedia handles a plugin which knows about the "media" message class.
+ *
+ * $LicenseInfo:firstyear=2008&license=viewergpl$
+ *
+ * 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.
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+#include "indra_constants.h"
+
+#include "llpluginclassmedia.h"
+#include "llpluginmessageclasses.h"
+
+static int LOW_PRIORITY_TEXTURE_SIZE_DEFAULT = 256;
+
+static int nextPowerOf2( int value )
+{
+	int next_power_of_2 = 1;
+	while ( next_power_of_2 < value )
+	{
+		next_power_of_2 <<= 1;
+	}
+	
+	return next_power_of_2;
+}
+
+LLPluginClassMedia::LLPluginClassMedia(LLPluginClassMediaOwner *owner)
+{
+	mOwner = owner;
+	mPlugin = NULL;
+	reset();
+}
+
+
+LLPluginClassMedia::~LLPluginClassMedia()
+{
+	reset();
+}
+
+bool LLPluginClassMedia::init(const std::string &launcher_filename, const std::string &plugin_filename)
+{	
+	LL_DEBUGS("Plugin") << "launcher: " << launcher_filename << LL_ENDL;
+	LL_DEBUGS("Plugin") << "plugin: " << plugin_filename << LL_ENDL;
+	
+	mPlugin = new LLPluginProcessParent(this);
+	mPlugin->setSleepTime(mSleepTime);
+	mPlugin->init(launcher_filename, plugin_filename);
+
+	return true;
+}
+
+
+void LLPluginClassMedia::reset()
+{
+	if(mPlugin != NULL)
+	{
+		delete mPlugin;
+		mPlugin = NULL;
+	}
+
+	mTextureParamsReceived = false;
+	mRequestedTextureDepth = 0;
+	mRequestedTextureInternalFormat = 0;
+	mRequestedTextureFormat = 0;
+	mRequestedTextureType = 0;
+	mRequestedTextureSwapBytes = false;
+	mRequestedTextureCoordsOpenGL = false;
+	mTextureSharedMemorySize = 0;
+	mTextureSharedMemoryName.clear();
+	mDefaultMediaWidth = 0;
+	mDefaultMediaHeight = 0;
+	mNaturalMediaWidth = 0;
+	mNaturalMediaHeight = 0;
+	mSetMediaWidth = -1;
+	mSetMediaHeight = -1;
+	mRequestedMediaWidth = 0;
+	mRequestedMediaHeight = 0;
+	mTextureWidth = 0;
+	mTextureHeight = 0;
+	mMediaWidth = 0;
+	mMediaHeight = 0;
+	mDirtyRect = LLRect::null;	
+	mAutoScaleMedia = false;
+	mRequestedVolume = 1.0f;
+	mPriority = PRIORITY_NORMAL;
+	mLowPrioritySizeLimit = LOW_PRIORITY_TEXTURE_SIZE_DEFAULT;
+	mAllowDownsample = false;
+	mPadding = 0;
+	mStatus = LLPluginClassMediaOwner::MEDIA_NONE;
+	mSleepTime = 1.0f / 100.0f;
+	mCanCut = false;
+	mCanCopy = false;
+	mCanPaste = false;
+	mMediaName.clear();
+	mMediaDescription.clear();
+
+	// media_browser class
+	mNavigateURI.clear();
+	mNavigateResultCode = -1;
+	mNavigateResultString.clear();
+	mHistoryBackAvailable = false;
+	mHistoryForwardAvailable = false;
+	mStatusText.clear();
+	mProgressPercent = 0;	
+	
+	// media_time class
+	mCurrentTime = 0.0f;
+	mDuration = 0.0f;
+	mCurrentRate = 0.0f;
+}
+
+void LLPluginClassMedia::idle(void)
+{
+	if(mPlugin)
+	{
+		mPlugin->idle();
+	}
+	
+	if((mMediaWidth == -1) || (!mTextureParamsReceived) || (mPlugin == NULL))
+	{
+		// Can't process a size change at this time
+	}
+	else if((mRequestedMediaWidth != mMediaWidth) || (mRequestedMediaHeight != mMediaHeight))
+	{
+		// Calculate the correct size for the media texture
+		mRequestedTextureHeight = mRequestedMediaHeight;
+		if(mPadding < 0)
+		{
+			// negative values indicate the plugin wants a power of 2
+			mRequestedTextureWidth = nextPowerOf2(mRequestedMediaWidth);
+		}
+		else
+		{
+			mRequestedTextureWidth = mRequestedMediaWidth;
+			
+			if(mPadding > 1)
+			{
+				// Pad up to a multiple of the specified number of bytes per row
+				int rowbytes = mRequestedTextureWidth * mRequestedTextureDepth;
+				int pad = rowbytes % mPadding;
+				if(pad != 0)
+				{
+					rowbytes += mPadding - pad;
+				}
+				
+				if(rowbytes % mRequestedTextureDepth == 0)
+				{
+					mRequestedTextureWidth = rowbytes / mRequestedTextureDepth;
+				}
+				else
+				{
+					LL_WARNS("Plugin") << "Unable to pad texture width, padding size " << mPadding << "is not a multiple of pixel size " << mRequestedTextureDepth << LL_ENDL;
+				}
+			}
+		}
+
+		
+		// Size change has been requested but not initiated yet.
+		size_t newsize = mRequestedTextureWidth * mRequestedTextureHeight * mRequestedTextureDepth;
+
+		// Add an extra line for padding, just in case.
+		newsize += mRequestedTextureWidth * mRequestedTextureDepth;
+
+		if(newsize != mTextureSharedMemorySize)
+		{
+			if(!mTextureSharedMemoryName.empty())
+			{
+				// Tell the plugin to remove the old memory segment
+				mPlugin->removeSharedMemory(mTextureSharedMemoryName);
+				mTextureSharedMemoryName.clear();
+			}
+			
+			mTextureSharedMemorySize = newsize;
+			mTextureSharedMemoryName = mPlugin->addSharedMemory(mTextureSharedMemorySize);
+			if(!mTextureSharedMemoryName.empty())
+			{
+				void *addr = mPlugin->getSharedMemoryAddress(mTextureSharedMemoryName);
+				
+				// clear texture memory to avoid random screen visual fuzz from uninitialized texture data
+				memset( addr, 0x00, newsize );
+				
+				// We could do this to force an update, but textureValid() will still be returning false until the first roundtrip to the plugin,
+				// so it may not be worthwhile.
+				// mDirtyRect.setOriginAndSize(0, 0, mRequestedMediaWidth, mRequestedMediaHeight);
+			}
+		}
+		
+		// This is our local indicator that a change is in progress.
+		mTextureWidth = -1;
+		mTextureHeight = -1;
+		mMediaWidth = -1;
+		mMediaHeight = -1;
+
+		// This invalidates any existing dirty rect.
+		resetDirty();
+		
+		// Send a size change message to the plugin
+		{
+			LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "size_change");
+			message.setValue("name", mTextureSharedMemoryName);
+			message.setValueS32("width", mRequestedMediaWidth);
+			message.setValueS32("height", mRequestedMediaHeight);
+			message.setValueS32("texture_width", mRequestedTextureWidth);
+			message.setValueS32("texture_height", mRequestedTextureHeight);
+			mPlugin->sendMessage(message);	// DO NOT just use sendMessage() here -- we want this to jump ahead of the queue.
+			
+			LL_DEBUGS("Plugin") << "Sending size_change" << LL_ENDL;
+		}
+	}
+	
+	if(mPlugin && mPlugin->isRunning())
+	{
+		// Send queued messages
+		while(!mSendQueue.empty())
+		{
+			LLPluginMessage message = mSendQueue.front();
+			mSendQueue.pop();
+			mPlugin->sendMessage(message);
+		}
+	}
+}
+
+int LLPluginClassMedia::getTextureWidth() const
+{
+	return nextPowerOf2(mTextureWidth);
+}
+
+int LLPluginClassMedia::getTextureHeight() const
+{
+	return nextPowerOf2(mTextureHeight);
+}
+
+unsigned char* LLPluginClassMedia::getBitsData()
+{
+	unsigned char *result = NULL;
+	if((mPlugin != NULL) && !mTextureSharedMemoryName.empty())
+	{
+		result = (unsigned char*)mPlugin->getSharedMemoryAddress(mTextureSharedMemoryName);
+	}
+	return result;
+}
+
+void LLPluginClassMedia::setSize(int width, int height)
+{
+	mSetMediaWidth = width;
+	mSetMediaHeight = height;
+
+	setSizeInternal();
+}
+
+void LLPluginClassMedia::setSizeInternal(void)
+{
+	if((mSetMediaWidth > 0) && (mSetMediaHeight > 0))
+	{
+		mRequestedMediaWidth = mSetMediaWidth;
+		mRequestedMediaHeight = mSetMediaHeight;
+	}
+	else
+	{
+		mRequestedMediaWidth = mDefaultMediaWidth;
+		mRequestedMediaHeight = mDefaultMediaHeight;
+	}
+	
+	if(mAllowDownsample)
+	{
+		switch(mPriority)
+		{
+			case PRIORITY_LOW:
+				// Reduce maximum texture dimension to (or below) mLowPrioritySizeLimit
+				while((mRequestedMediaWidth > mLowPrioritySizeLimit) || (mRequestedMediaHeight > mLowPrioritySizeLimit))
+				{
+					mRequestedMediaWidth /= 2;
+					mRequestedMediaHeight /= 2;
+				}
+			break;
+			
+			default:
+				// Don't adjust texture size
+			break;
+		}
+	}
+	
+	if(mAutoScaleMedia)
+	{
+		mRequestedMediaWidth = nextPowerOf2(mRequestedMediaWidth);
+		mRequestedMediaHeight = nextPowerOf2(mRequestedMediaHeight);
+	}
+}
+
+void LLPluginClassMedia::setAutoScale(bool auto_scale)
+{
+	if(auto_scale != mAutoScaleMedia)
+	{
+		mAutoScaleMedia = auto_scale;
+		setSizeInternal();
+	}
+}
+
+bool LLPluginClassMedia::textureValid(void)
+{
+	if(
+		!mTextureParamsReceived ||
+		mTextureWidth <= 0 ||
+		mTextureHeight <= 0 ||
+		mMediaWidth <= 0 ||
+		mMediaHeight <= 0 ||
+		mRequestedMediaWidth != mMediaWidth ||
+		mRequestedMediaHeight != mMediaHeight ||
+		getBitsData() == NULL
+	)	
+		return false;
+	
+	return true;
+}
+
+bool LLPluginClassMedia::getDirty(LLRect *dirty_rect)
+{
+	bool result = !mDirtyRect.isEmpty();
+
+	if(dirty_rect != NULL)
+	{
+		*dirty_rect = mDirtyRect;
+	}
+
+	return result;
+}
+
+void LLPluginClassMedia::resetDirty(void)
+{
+	mDirtyRect = LLRect::null;
+}
+
+std::string LLPluginClassMedia::translateModifiers(MASK modifiers)
+{
+	std::string result;
+	
+	
+	if(modifiers & MASK_CONTROL)
+	{
+		result += "control|";
+	}
+
+	if(modifiers & MASK_ALT)
+	{
+		result += "alt|";
+	}
+
+	if(modifiers & MASK_SHIFT)
+	{
+		result += "shift|";
+	}
+
+	// TODO: should I deal with platform differences here or in callers?
+	// TODO: how do we deal with the Mac "command" key?
+/*
+	if(modifiers & MASK_SOMETHING)
+	{
+		result += "meta|";
+	}
+*/	
+	return result;
+}
+
+void LLPluginClassMedia::mouseEvent(EMouseEventType type, int x, int y, MASK modifiers)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "mouse_event");
+	std::string temp;
+	switch(type)
+	{
+		case MOUSE_EVENT_DOWN:			temp = "down";			break;
+		case MOUSE_EVENT_UP:			temp = "up";			break;
+		case MOUSE_EVENT_MOVE:			temp = "move";			break;
+		case MOUSE_EVENT_DOUBLE_CLICK:	temp = "double_click";	break;
+	}
+	message.setValue("event", temp);
+
+	message.setValueS32("x", x);
+	
+	// Incoming coordinates are OpenGL-style ((0,0) = lower left), so flip them here if the plugin has requested it.
+	if(!mRequestedTextureCoordsOpenGL)
+	{
+		// TODO: Should I use mMediaHeight or mRequestedMediaHeight here?
+		y = mMediaHeight - y;
+	}
+	message.setValueS32("y", y);
+
+	message.setValue("modifiers", translateModifiers(modifiers));
+	
+	sendMessage(message);
+}
+
+bool LLPluginClassMedia::keyEvent(EKeyEventType type, int key_code, MASK modifiers)
+{
+	bool result = true;
+	
+	// FIXME:
+	// HACK: we don't have an easy way to tell if the plugin is going to handle a particular keycode.
+	// For now, return false for the ones the webkit plugin won't handle properly.
+	
+	switch(key_code)
+	{
+		case KEY_BACKSPACE:		
+		case KEY_TAB:			
+		case KEY_RETURN:		
+		case KEY_PAD_RETURN:	
+		case KEY_SHIFT:			
+		case KEY_CONTROL:		
+		case KEY_ALT:			
+		case KEY_CAPSLOCK:		
+		case KEY_ESCAPE:		
+		case KEY_PAGE_UP:		
+		case KEY_PAGE_DOWN:		
+		case KEY_END:			
+		case KEY_HOME:			
+		case KEY_LEFT:			
+		case KEY_UP:			
+		case KEY_RIGHT:			
+		case KEY_DOWN:			
+		case KEY_INSERT:		
+		case KEY_DELETE:
+			// These will be handled		
+		break;
+		
+		default:
+			// regular ASCII characters will also be handled
+			if(key_code >= KEY_SPECIAL)
+			{
+				// Other "special" codes will not work properly.
+				result = false;
+			}
+		break;
+	}
+	
+	if(result)
+	{
+		LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "key_event");
+		std::string temp;
+		switch(type)
+		{
+			case KEY_EVENT_DOWN:			temp = "down";			break;
+			case KEY_EVENT_UP:				temp = "up";			break;
+			case KEY_EVENT_REPEAT:			temp = "repeat";		break;
+		}
+		message.setValue("event", temp);
+		
+		message.setValueS32("key", key_code);
+
+		message.setValue("modifiers", translateModifiers(modifiers));
+		
+		sendMessage(message);
+	}
+		
+	return result;
+}
+
+void LLPluginClassMedia::scrollEvent(int x, int y, MASK modifiers)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "scroll_event");
+
+	message.setValueS32("x", x);
+	message.setValueS32("y", y);
+	message.setValue("modifiers", translateModifiers(modifiers));
+	
+	sendMessage(message);
+}
+	
+bool LLPluginClassMedia::textInput(const std::string &text)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "text_event");
+
+	message.setValue("text", text);
+	
+	sendMessage(message);
+	
+	return true;
+}
+
+void LLPluginClassMedia::loadURI(const std::string &uri)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "load_uri");
+
+	message.setValue("uri", uri);
+	
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::setPriority(EPriority priority)
+{
+	if(mPriority != priority)
+	{
+		mPriority = priority;
+
+		LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "set_priority");
+		
+		std::string priority_string;
+		switch(priority)
+		{
+			case PRIORITY_STOPPED:	
+				priority_string = "stopped";	
+				mSleepTime = 1.0f;
+			break;
+			case PRIORITY_HIDDEN:	
+				priority_string = "hidden";	
+				mSleepTime = 1.0f;
+			break;
+			case PRIORITY_LOW:		
+				priority_string = "low";		
+				mSleepTime = 1.0f / 50.0f;
+			break;
+			case PRIORITY_NORMAL:	
+				priority_string = "normal";	
+				mSleepTime = 1.0f / 100.0f;
+			break;
+			case PRIORITY_HIGH:		
+				priority_string = "high";		
+				mSleepTime = 1.0f / 100.0f;
+			break;
+		}
+		
+		message.setValue("priority", priority_string);
+
+		sendMessage(message);
+		
+		if(mPlugin)
+		{
+			mPlugin->setSleepTime(mSleepTime);
+		}
+		
+		// This may affect the calculated size, so recalculate it here.
+		setSizeInternal();
+	}
+}
+
+void LLPluginClassMedia::setLowPrioritySizeLimit(int size)
+{
+	if(mLowPrioritySizeLimit != size)
+	{
+		mLowPrioritySizeLimit = size;
+
+		// This may affect the calculated size, so recalculate it here.
+		setSizeInternal();
+	}
+}
+
+
+void LLPluginClassMedia::cut()
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "edit_cut");
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::copy()
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "edit_copy");
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::paste()
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "edit_paste");
+	sendMessage(message);
+}
+
+/* virtual */ 
+void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
+{
+	std::string message_class = message.getClass();
+	
+	if(message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA)
+	{
+		std::string message_name = message.getName();
+		if(message_name == "texture_params")
+		{
+			mRequestedTextureDepth = message.getValueS32("depth");
+			mRequestedTextureInternalFormat = message.getValueU32("internalformat");
+			mRequestedTextureFormat = message.getValueU32("format");
+			mRequestedTextureType = message.getValueU32("type");
+			mRequestedTextureSwapBytes = message.getValueBoolean("swap_bytes");
+			mRequestedTextureCoordsOpenGL = message.getValueBoolean("coords_opengl");			
+			
+			// These two are optional, and will default to 0 if they're not specified.
+			mDefaultMediaWidth = message.getValueS32("default_width");
+			mDefaultMediaHeight = message.getValueS32("default_height");
+			
+			mAllowDownsample = message.getValueBoolean("allow_downsample");
+			mPadding = message.getValueS32("padding");
+
+			setSizeInternal();
+			
+			mTextureParamsReceived = true;
+		}
+		else if(message_name == "updated")
+		{			
+			if(message.hasValue("left"))
+			{
+				LLRect newDirtyRect;
+				newDirtyRect.mLeft = message.getValueS32("left");
+				newDirtyRect.mTop = message.getValueS32("top");
+				newDirtyRect.mRight = message.getValueS32("right");
+				newDirtyRect.mBottom = message.getValueS32("bottom");
+							
+				// The plugin is likely to have top and bottom switched, due to vertical flip and OpenGL coordinate confusion.
+				// If they're backwards, swap them.
+				if(newDirtyRect.mTop < newDirtyRect.mBottom)
+				{
+					S32 temp = newDirtyRect.mTop;
+					newDirtyRect.mTop = newDirtyRect.mBottom;
+					newDirtyRect.mBottom = temp;
+				}
+				
+				if(mDirtyRect.isEmpty())
+				{
+					mDirtyRect = newDirtyRect;
+				}
+				else
+				{
+					mDirtyRect.unionWith(newDirtyRect);
+				}
+
+				LL_DEBUGS("Plugin") << "adjusted incoming rect is: (" 
+					<< newDirtyRect.mLeft << ", "
+					<< newDirtyRect.mTop << ", "
+					<< newDirtyRect.mRight << ", "
+					<< newDirtyRect.mBottom << "), new dirty rect is: ("
+					<< mDirtyRect.mLeft << ", "
+					<< mDirtyRect.mTop << ", "
+					<< mDirtyRect.mRight << ", "
+					<< mDirtyRect.mBottom << ")"
+					<< LL_ENDL;
+				
+				mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_CONTENT_UPDATED);
+			}			
+			
+
+			bool time_duration_updated = false;
+
+			if(message.hasValue("current_time"))
+			{
+				mCurrentTime = message.getValueReal("current_time");
+				time_duration_updated = true;
+			}
+			if(message.hasValue("duration"))
+			{
+				mDuration = message.getValueReal("duration");
+				time_duration_updated = true;
+			}
+
+			if(message.hasValue("current_rate"))
+			{
+				mCurrentRate = message.getValueReal("current_rate");
+			}
+			
+			if(time_duration_updated)
+			{
+				mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_TIME_DURATION_UPDATED);
+			}
+			
+		}
+		else if(message_name == "media_status")
+		{
+			std::string status = message.getValue("status");
+			
+			LL_DEBUGS("Plugin") << "Status changed to: " << status << LL_ENDL;
+			
+			if(status == "loading")
+			{
+				mStatus = LLPluginClassMediaOwner::MEDIA_LOADING;
+			}
+			else if(status == "loaded")
+			{
+				mStatus = LLPluginClassMediaOwner::MEDIA_LOADED;
+			}
+			else if(status == "error")
+			{
+				mStatus = LLPluginClassMediaOwner::MEDIA_ERROR;
+			}
+			else if(status == "playing")
+			{
+				mStatus = LLPluginClassMediaOwner::MEDIA_PLAYING;
+			}
+			else if(status == "paused")
+			{
+				mStatus = LLPluginClassMediaOwner::MEDIA_PAUSED;
+			}
+			else
+			{
+				// empty string or any unknown string
+				mStatus = LLPluginClassMediaOwner::MEDIA_NONE;
+			}
+		}
+		else if(message_name == "size_change_request")
+		{
+			S32 width = message.getValueS32("width");
+			S32 height = message.getValueS32("height");
+			std::string name = message.getValue("name");
+
+			// TODO: check that name matches?
+			mNaturalMediaWidth = width;
+			mNaturalMediaHeight = height;
+			
+			setSize(width, height);
+		}
+		else if(message_name == "size_change_response")
+		{
+			std::string name = message.getValue("name");
+			
+			// TODO: check that name matches?
+			
+			mTextureWidth = message.getValueS32("texture_width");
+			mTextureHeight = message.getValueS32("texture_height");
+			mMediaWidth = message.getValueS32("width");
+			mMediaHeight = message.getValueS32("height");
+			
+			// This invalidates any existing dirty rect.
+			resetDirty();
+			
+			// TODO: should we verify that the plugin sent back the right values?  
+			// Two size changes in a row may cause them to not match, due to queueing, etc.
+
+			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_SIZE_CHANGED);
+		}
+		else if(message_name == "cursor_changed")
+		{
+			mCursorName = message.getValue("name");
+
+			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_CURSOR_CHANGED);
+		}
+		else if(message_name == "edit_state")
+		{
+			if(message.hasValue("cut"))
+			{
+				mCanCut = message.getValueBoolean("cut");
+			}
+			if(message.hasValue("copy"))
+			{
+				mCanCopy = message.getValueBoolean("copy");
+			}
+			if(message.hasValue("paste"))
+			{
+				mCanPaste = message.getValueBoolean("paste");
+			}
+		}
+		else
+		{
+			LL_WARNS("Plugin") << "Unknown " << message_name << " class message: " << message_name << LL_ENDL;
+		}
+	}
+	else if(message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER)
+	{
+		std::string message_name = message.getName();
+		if(message_name == "navigate_begin")
+		{
+			mNavigateURI = message.getValue("uri");
+			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_NAVIGATE_BEGIN);
+		}
+		else if(message_name == "navigate_complete")
+		{
+			mNavigateURI = message.getValue("uri");
+			mNavigateResultCode = message.getValueS32("result_code");
+			mNavigateResultString = message.getValue("result_string");
+			mHistoryBackAvailable = message.getValueBoolean("history_back_available");
+			mHistoryForwardAvailable = message.getValueBoolean("history_forward_available");
+			
+			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_NAVIGATE_COMPLETE);
+		}
+		else if(message_name == "progress")
+		{
+			mProgressPercent = message.getValueS32("percent");
+			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_PROGRESS_UPDATED);
+		}
+		else if(message_name == "status_text")
+		{
+			mStatusText = message.getValue("status");
+			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_STATUS_TEXT_CHANGED);
+		}
+		else if(message_name == "location_changed")
+		{
+			mLocation = message.getValue("uri");
+			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_LOCATION_CHANGED);
+		}
+		else if(message_name == "click_href")
+		{
+			mClickURL = message.getValue("uri");
+			mClickTarget = message.getValue("target");
+			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_CLICK_LINK_HREF);
+		}
+		else if(message_name == "click_nofollow")
+		{
+			mClickURL = message.getValue("uri");
+			mClickTarget.clear();
+			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_CLICK_LINK_NOFOLLOW);
+		}
+		else
+		{
+			LL_WARNS("Plugin") << "Unknown " << message_name << " class message: " << message_name << LL_ENDL;
+		}
+	}
+	else if(message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME)
+	{
+		std::string message_name = message.getName();
+
+		// This class hasn't defined any incoming messages yet.
+//		if(message_name == "message_name")
+//		{
+//		}
+//		else 
+		{
+			LL_WARNS("Plugin") << "Unknown " << message_name << " class message: " << message_name << LL_ENDL;
+		}
+	}
+
+}
+
+/* virtual */ 
+void LLPluginClassMedia::pluginDied()
+{
+	mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_PLUGIN_FAILED);
+}
+
+void LLPluginClassMedia::mediaEvent(LLPluginClassMediaOwner::EMediaEvent event)
+{
+	if(mOwner)
+	{
+		mOwner->handleMediaEvent(this, event);
+	}
+}
+
+void LLPluginClassMedia::sendMessage(const LLPluginMessage &message)
+{
+	if(mPlugin && mPlugin->isRunning())
+	{
+		mPlugin->sendMessage(message);
+	}
+	else
+	{
+		// The plugin isn't set up yet -- queue this message to be sent after initialization.
+		mSendQueue.push(message);
+	}
+}
+
+////////////////////////////////////////////////////////////
+// MARK: media_browser class functions
+bool LLPluginClassMedia::pluginSupportsMediaBrowser(void)
+{
+	std::string version = mPlugin->getMessageClassVersion(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER);
+	return !version.empty();
+}
+
+void LLPluginClassMedia::focus(bool focused)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "focus");
+
+	message.setValueBoolean("focused", focused);
+	
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::clear_cache()
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "clear_cache");
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::clear_cookies()
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "clear_cookies");
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::enable_cookies(bool enable)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "enable_cookies");
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::proxy_setup(bool enable, const std::string &host, int port)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "proxy_setup");
+
+	message.setValueBoolean("enable", enable);
+	message.setValue("host", host);
+	message.setValueS32("port", port);
+
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::browse_stop()
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "browse_stop");
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::browse_reload(bool ignore_cache)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "browse_reload");
+
+	message.setValueBoolean("ignore_cache", ignore_cache);
+	
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::browse_forward()
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "browse_forward");
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::browse_back()
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "browse_back");
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::set_status_redirect(int code, const std::string &url)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "set_status_redirect");
+
+	message.setValueS32("code", code);
+	message.setValue("url", url);
+
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::setBrowserUserAgent(const std::string& user_agent)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "set_user_agent");
+
+	message.setValue("user_agent", user_agent);
+
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::crashPlugin()
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_INTERNAL, "crash");
+
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::hangPlugin()
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_INTERNAL, "hang");
+
+	sendMessage(message);
+}
+
+
+////////////////////////////////////////////////////////////
+// MARK: media_time class functions
+bool LLPluginClassMedia::pluginSupportsMediaTime(void)
+{
+	std::string version = mPlugin->getMessageClassVersion(LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME);
+	return !version.empty();
+}
+
+void LLPluginClassMedia::stop()
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME, "stop");
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::start(float rate)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME, "start");
+
+	message.setValueReal("rate", rate);
+
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::pause()
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME, "pause");
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::seek(float time)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME, "seek");
+
+	message.setValueReal("time", time);
+	
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::setLoop(bool loop)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME, "set_loop");
+
+	message.setValueBoolean("loop", loop);
+
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::setVolume(float volume)
+{
+	if(volume != mRequestedVolume)
+	{
+		mRequestedVolume = volume;
+		
+		LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME, "set_volume");
+
+		message.setValueReal("volume", volume);
+		
+		sendMessage(message);
+	}
+}
+
+void LLPluginClassMedia::initializeUrlHistory(const LLSD& url_history)
+{
+	// Send URL history to plugin
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "init_history");
+	message.setValueLLSD("history", url_history);
+	sendMessage(message);
+
+	LL_DEBUGS("Plugin") << "Sending history" << LL_ENDL;
+}
+