media_plugin_webkit.cpp
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- /**
- * @file media_plugin_webkit.cpp
- * @brief Webkit plugin for LLMedia API plugin system
- *
- * @cond
- * $LicenseInfo:firstyear=2008&license=viewergpl$
- *
- * Copyright (c) 2008-2010, 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://secondlifegrid.net/programs/open_source/licensing/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://secondlifegrid.net/programs/open_source/licensing/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;
- }