diff options
Diffstat (limited to 'indra/media_plugins/cef')
| -rw-r--r-- | indra/media_plugins/cef/CMakeLists.txt | 117 | ||||
| -rw-r--r-- | indra/media_plugins/cef/mac_volume_catcher.cpp | 275 | ||||
| -rw-r--r-- | indra/media_plugins/cef/media_plugin_cef.cpp | 885 | ||||
| -rw-r--r-- | indra/media_plugins/cef/volume_catcher.h | 54 | ||||
| -rw-r--r-- | indra/media_plugins/cef/windows_volume_catcher.cpp | 147 |
5 files changed, 1478 insertions, 0 deletions
diff --git a/indra/media_plugins/cef/CMakeLists.txt b/indra/media_plugins/cef/CMakeLists.txt new file mode 100644 index 0000000000..1f6163e41e --- /dev/null +++ b/indra/media_plugins/cef/CMakeLists.txt @@ -0,0 +1,117 @@ +# -*- cmake -*- + +project(media_plugin_cef) + +include(00-Common) +include(LLCommon) +include(LLImage) +include(LLPlugin) +include(LLMath) +include(LLRender) +include(LLWindow) +include(Linking) +include(PluginAPI) +include(MediaPluginBase) +include(OpenGL) + +include(CEFPlugin) + +include_directories( + ${LLPLUGIN_INCLUDE_DIRS} + ${MEDIA_PLUGIN_BASE_INCLUDE_DIRS} + ${LLCOMMON_INCLUDE_DIRS} + ${LLMATH_INCLUDE_DIRS} + ${LLIMAGE_INCLUDE_DIRS} + ${LLRENDER_INCLUDE_DIRS} + ${LLWINDOW_INCLUDE_DIRS} + ${CEF_INCLUDE_DIR} +) +include_directories(SYSTEM + ${LLCOMMON_SYSTEM_INCLUDE_DIRS} + ) + + +### media_plugin_cef + +if(NOT WORD_SIZE EQUAL 32) + if(WINDOWS) + add_definitions(/FIXED:NO) + else(WINDOWS) # not windows therefore gcc LINUX and DARWIN + add_definitions(-fPIC) + endif(WINDOWS) +endif(NOT WORD_SIZE EQUAL 32) + +set(media_plugin_cef_SOURCE_FILES + media_plugin_cef.cpp + ) + +set(media_plugin_cef_HEADER_FILES + volume_catcher.h + ) + +set (media_plugin_cef_LINK_LIBRARIES + ${LLPLUGIN_LIBRARIES} + ${MEDIA_PLUGIN_BASE_LIBRARIES} + ${LLCOMMON_LIBRARIES} + ${CEF_PLUGIN_LIBRARIES} + ${PLUGIN_API_WINDOWS_LIBRARIES}) + + +# Select which VolumeCatcher implementation to use +if (LINUX) + message(FATAL_ERROR "CEF plugin has been enabled for a Linux compile.\n" + " Please create a volume_catcher implementation for this platform.") + +elseif (DARWIN) + list(APPEND media_plugin_cef_SOURCE_FILES mac_volume_catcher.cpp) + find_library(CORESERVICES_LIBRARY CoreServices) + find_library(AUDIOUNIT_LIBRARY AudioUnit) + list(APPEND media_plugin_cef_LINK_LIBRARIES + ${CORESERVICES_LIBRARY} # for Component Manager calls + ${AUDIOUNIT_LIBRARY} # for AudioUnit calls + ) +elseif (WINDOWS) + list(APPEND media_plugin_cef_SOURCE_FILES windows_volume_catcher.cpp) +endif (LINUX) + +set_source_files_properties(${media_plugin_cef_HEADER_FILES} + PROPERTIES HEADER_FILE_ONLY TRUE) + +list(APPEND media_plugin_cef_SOURCE_FILES ${media_plugin_cef_HEADER_FILES}) + +add_library(media_plugin_cef + SHARED + ${media_plugin_cef_SOURCE_FILES} +) + +add_dependencies(media_plugin_cef + ${LLPLUGIN_LIBRARIES} + ${MEDIA_PLUGIN_BASE_LIBRARIES} + ${LLCOMMON_LIBRARIES} +) + +target_link_libraries(media_plugin_cef + ${media_plugin_cef_LINK_LIBRARIES} +) + +if (WINDOWS) + set_target_properties( + media_plugin_cef + PROPERTIES + LINK_FLAGS "/MANIFEST:NO /SAFESEH:NO /LTCG /NODEFAULTLIB:LIBCMT" + LINK_FLAGS_DEBUG "/MANIFEST:NO /SAFESEH:NO /NODEFAULTLIB:LIBCMTD" + ) +endif (WINDOWS) + +if (DARWIN) + # Don't prepend 'lib' to the executable name, and don't embed a full path in the library's install name + set_target_properties( + media_plugin_cef + PROPERTIES + PREFIX "" + BUILD_WITH_INSTALL_RPATH 1 + INSTALL_NAME_DIR "@executable_path" + LINK_FLAGS "-exported_symbols_list ${CMAKE_CURRENT_SOURCE_DIR}/../base/media_plugin_base.exp" + ) + +endif (DARWIN) diff --git a/indra/media_plugins/cef/mac_volume_catcher.cpp b/indra/media_plugins/cef/mac_volume_catcher.cpp new file mode 100644 index 0000000000..dddb9c2077 --- /dev/null +++ b/indra/media_plugins/cef/mac_volume_catcher.cpp @@ -0,0 +1,275 @@ +/** + * @file mac_volume_catcher.cpp + * @brief A Mac OS X specific hack to control the volume level of all audio channels opened by a process. + * + * @cond + * $LicenseInfo:firstyear=2010&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + * @endcond + */ + +/************************************************************************************************************** + This code works by using CaptureComponent to capture the "Default Output" audio component + (kAudioUnitType_Output/kAudioUnitSubType_DefaultOutput) and delegating all calls to the original component. + It does this just to keep track of all instances of the default output component, so that it can set the + kHALOutputParam_Volume parameter on all of them to adjust the output volume. +**************************************************************************************************************/ + +#include "volume_catcher.h" + +#include <QuickTime/QuickTime.h> +#include <AudioUnit/AudioUnit.h> +#include <list> + +#if LL_DARWIN +#pragma GCC diagnostic ignored "-Wdeprecated-declarations" +#endif + +struct VolumeCatcherStorage; + +class VolumeCatcherImpl +{ +public: + + void setVolume(F32 volume); + void setPan(F32 pan); + + void setInstanceVolume(VolumeCatcherStorage *instance); + + std::list<VolumeCatcherStorage*> mComponentInstances; + Component mOriginalDefaultOutput; + Component mVolumeAdjuster; + + static VolumeCatcherImpl *getInstance(); +private: + // This is a singleton class -- both callers and the component implementation should use getInstance() to find the instance. + VolumeCatcherImpl(); + static VolumeCatcherImpl *sInstance; + + // The singlar instance of this class is expected to last until the process exits. + // To ensure this, we declare the destructor here but never define it, so any code which attempts to destroy the instance will not link. + ~VolumeCatcherImpl(); + + F32 mVolume; + F32 mPan; +}; + +VolumeCatcherImpl *VolumeCatcherImpl::sInstance = NULL;; + +struct VolumeCatcherStorage +{ + ComponentInstance self; + ComponentInstance delegate; +}; + +static ComponentResult volume_catcher_component_entry(ComponentParameters *cp, Handle componentStorage); +static ComponentResult volume_catcher_component_open(VolumeCatcherStorage *storage, ComponentInstance self); +static ComponentResult volume_catcher_component_close(VolumeCatcherStorage *storage, ComponentInstance self); + +VolumeCatcherImpl *VolumeCatcherImpl::getInstance() +{ + if(!sInstance) + { + sInstance = new VolumeCatcherImpl; + } + + return sInstance; +} + +VolumeCatcherImpl::VolumeCatcherImpl() +{ + mVolume = 1.0; // default to full volume + mPan = 0.0; // and center pan + + ComponentDescription desc; + desc.componentType = kAudioUnitType_Output; + desc.componentSubType = kAudioUnitSubType_DefaultOutput; + desc.componentManufacturer = kAudioUnitManufacturer_Apple; + desc.componentFlags = 0; + desc.componentFlagsMask = 0; + + // Find the original default output component + mOriginalDefaultOutput = FindNextComponent(NULL, &desc); + + // Register our own output component with the same parameters + mVolumeAdjuster = RegisterComponent(&desc, NewComponentRoutineUPP(volume_catcher_component_entry), 0, NULL, NULL, NULL); + + // Capture the original component, so we always get found instead. + CaptureComponent(mOriginalDefaultOutput, mVolumeAdjuster); + +} + +static ComponentResult volume_catcher_component_entry(ComponentParameters *cp, Handle componentStorage) +{ + ComponentResult result = badComponentSelector; + VolumeCatcherStorage *storage = (VolumeCatcherStorage*)componentStorage; + + switch(cp->what) + { + case kComponentOpenSelect: +// std::cerr << "kComponentOpenSelect" << std::endl; + result = CallComponentFunctionWithStorageProcInfo((Handle)storage, cp, (ProcPtr)volume_catcher_component_open, uppCallComponentOpenProcInfo); + break; + + case kComponentCloseSelect: +// std::cerr << "kComponentCloseSelect" << std::endl; + result = CallComponentFunctionWithStorageProcInfo((Handle)storage, cp, (ProcPtr)volume_catcher_component_close, uppCallComponentCloseProcInfo); + // CallComponentFunctionWithStorageProcInfo + break; + + default: +// std::cerr << "Delegating selector: " << cp->what << " to component instance " << storage->delegate << std::endl; + result = DelegateComponentCall(cp, storage->delegate); + break; + } + + return result; +} + +static ComponentResult volume_catcher_component_open(VolumeCatcherStorage *storage, ComponentInstance self) +{ + ComponentResult result = noErr; + VolumeCatcherImpl *impl = VolumeCatcherImpl::getInstance(); + + storage = new VolumeCatcherStorage; + + storage->self = self; + storage->delegate = NULL; + + result = OpenAComponent(impl->mOriginalDefaultOutput, &(storage->delegate)); + + if(result != noErr) + { +// std::cerr << "OpenAComponent result = " << result << ", component ref = " << storage->delegate << std::endl; + + // If we failed to open the delagate component, our open is going to fail. Clean things up. + delete storage; + } + else + { + // Success -- set up this component's storage + SetComponentInstanceStorage(self, (Handle)storage); + + // add this instance to the global list + impl->mComponentInstances.push_back(storage); + + // and set up the initial volume + impl->setInstanceVolume(storage); + } + + return result; +} + +static ComponentResult volume_catcher_component_close(VolumeCatcherStorage *storage, ComponentInstance self) +{ + ComponentResult result = noErr; + + if(storage) + { + if(storage->delegate) + { + CloseComponent(storage->delegate); + storage->delegate = NULL; + } + + VolumeCatcherImpl *impl = VolumeCatcherImpl::getInstance(); + impl->mComponentInstances.remove(storage); + delete[] storage; + } + + return result; +} + +void VolumeCatcherImpl::setVolume(F32 volume) +{ + VolumeCatcherImpl *impl = VolumeCatcherImpl::getInstance(); + impl->mVolume = volume; + + // Iterate through all known instances, setting the volume on each. + for(std::list<VolumeCatcherStorage*>::iterator iter = mComponentInstances.begin(); iter != mComponentInstances.end(); ++iter) + { + impl->setInstanceVolume(*iter); + } +} + +void VolumeCatcherImpl::setPan(F32 pan) +{ + VolumeCatcherImpl *impl = VolumeCatcherImpl::getInstance(); + impl->mPan = pan; + + // TODO: implement this. + // This will probably require adding a "panner" audio unit to the chain somehow. + // There's also a "3d mixer" component that we might be able to use... +} + +void VolumeCatcherImpl::setInstanceVolume(VolumeCatcherStorage *instance) +{ +// std::cerr << "Setting volume on component instance: " << (instance->delegate) << " to " << mVolume << std::endl; + + OSStatus err = noErr; + + if(instance && instance->delegate) + { + err = AudioUnitSetParameter( + instance->delegate, + kHALOutputParam_Volume, + kAudioUnitScope_Global, + 0, + mVolume, + 0); + } + + if(err) + { +// std::cerr << " AudioUnitSetParameter returned " << err << std::endl; + } +} + +///////////////////////////////////////////////////// + +VolumeCatcher::VolumeCatcher() +{ + pimpl = VolumeCatcherImpl::getInstance(); +} + +VolumeCatcher::~VolumeCatcher() +{ + // Let the instance persist until exit. +} + +void VolumeCatcher::setVolume(F32 volume) +{ + pimpl->setVolume(volume); +} + +void VolumeCatcher::setPan(F32 pan) +{ + pimpl->setPan(pan); +} + +void VolumeCatcher::pump() +{ + // No periodic tasks are necessary for this implementation. +} + +#if LL_DARWIN +#pragma GCC diagnostic warning "-Wdeprecated-declarations" +#endif diff --git a/indra/media_plugins/cef/media_plugin_cef.cpp b/indra/media_plugins/cef/media_plugin_cef.cpp new file mode 100644 index 0000000000..a2479cc946 --- /dev/null +++ b/indra/media_plugins/cef/media_plugin_cef.cpp @@ -0,0 +1,885 @@ +/** +* @file media_plugin_cef.cpp +* @brief CEF (Chromium Embedding Framework) plugin for LLMedia API plugin system +* +* @cond +* $LicenseInfo:firstyear=2008&license=viewerlgpl$ +* Second Life Viewer Source Code +* Copyright (C) 2010, Linden Research, Inc. +* +* This library is free software; you can redistribute it and/or +* modify it under the terms of the GNU Lesser General Public +* License as published by the Free Software Foundation; +* version 2.1 of the License only. +* +* This library is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +* Lesser General Public License for more details. +* +* You should have received a copy of the GNU Lesser General Public +* License along with this library; if not, write to the Free Software +* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +* +* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA +* $/LicenseInfo$ +* @endcond +*/ + +#include "linden_common.h" +#include "indra_constants.h" // for indra keyboard codes + +#include "llgl.h" +#include "llsdutil.h" +#include "llplugininstance.h" +#include "llpluginmessage.h" +#include "llpluginmessageclasses.h" +#include "media_plugin_base.h" + +#include "boost/function.hpp" +#include "boost/bind.hpp" +#include "llCEFLib.h" +#include "volume_catcher.h" + +//////////////////////////////////////////////////////////////////////////////// +// +class MediaPluginCEF : + public MediaPluginBase +{ +public: + MediaPluginCEF(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data); + ~MediaPluginCEF(); + + /*virtual*/ + void receiveMessage(const char* message_string); + +private: + bool init(); + + void onPageChangedCallback(unsigned char* pixels, int x, int y, int width, int height, bool is_popup); + void onCustomSchemeURLCallback(std::string url); + void onConsoleMessageCallback(std::string message, std::string source, int line); + void onStatusMessageCallback(std::string value); + void onTitleChangeCallback(std::string title); + void onLoadStartCallback(); + void onRequestExitCallback(); + void onLoadEndCallback(int httpStatusCode); + void onAddressChangeCallback(std::string url); + void onNavigateURLCallback(std::string url, std::string target); + bool onHTTPAuthCallback(const std::string host, const std::string realm, std::string& username, std::string& password); + void onCursorChangedCallback(LLCEFLib::ECursorType type, unsigned int handle); + void onFileDownloadCallback(std::string filename); + + void postDebugMessage(const std::string& msg); + void authResponse(LLPluginMessage &message); + + LLCEFLib::EKeyboardModifier decodeModifiers(std::string &modifiers); + void deserializeKeyboardData(LLSD native_key_data, uint32_t& native_scan_code, uint32_t& native_virtual_key, uint32_t& native_modifiers); + void keyEvent(LLCEFLib::EKeyEvent key_event, int key, LLCEFLib::EKeyboardModifier modifiers, LLSD native_key_data); + void unicodeInput(const std::string &utf8str, LLCEFLib::EKeyboardModifier modifiers, LLSD native_key_data); + + void checkEditState(); + void setVolume(F32 vol); + + bool mEnableMediaPluginDebugging; + std::string mHostLanguage; + bool mCookiesEnabled; + bool mPluginsEnabled; + bool mJavascriptEnabled; + std::string mUserAgentSubtring; + std::string mAuthUsername; + std::string mAuthPassword; + bool mAuthOK; + bool mCanCut; + bool mCanCopy; + bool mCanPaste; + std::string mCachePath; + std::string mCookiePath; + LLCEFLib* mLLCEFLib; + + VolumeCatcher mVolumeCatcher; +}; + +//////////////////////////////////////////////////////////////////////////////// +// +MediaPluginCEF::MediaPluginCEF(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data) : +MediaPluginBase(host_send_func, host_user_data) +{ + mWidth = 0; + mHeight = 0; + mDepth = 4; + mPixels = 0; + mEnableMediaPluginDebugging = true; + mHostLanguage = "en"; + mCookiesEnabled = true; + mPluginsEnabled = false; + mJavascriptEnabled = true; + mUserAgentSubtring = ""; + mAuthUsername = ""; + mAuthPassword = ""; + mAuthOK = false; + mCanCut = false; + mCanCopy = false; + mCanPaste = false; + mCachePath = ""; + mCookiePath = ""; + mLLCEFLib = new LLCEFLib(); +} + +//////////////////////////////////////////////////////////////////////////////// +// +MediaPluginCEF::~MediaPluginCEF() +{ +} + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::postDebugMessage(const std::string& msg) +{ + if (mEnableMediaPluginDebugging) + { + std::stringstream str; + str << "@Media Msg> " << msg; + + LLPluginMessage debug_message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "debug_message"); + debug_message.setValue("message_text", str.str()); + debug_message.setValue("message_level", "info"); + sendMessage(debug_message); + } +} + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::onPageChangedCallback(unsigned char* pixels, int x, int y, int width, int height, bool is_popup) +{ + if (mPixels && pixels) + { + if (is_popup) + { + for (int line = 0; line < height; ++line) + { + int inverted_y = mHeight - y - height; + int src = line * width * mDepth; + int dst = (inverted_y + line) * mWidth * mDepth + x * mDepth; + + if (dst + width * mDepth < mWidth * mHeight * mDepth) + { + memcpy(mPixels + dst, pixels + src, width * mDepth); + } + } + } + else + { + if (mWidth == width && mHeight == height) + { + memcpy(mPixels, pixels, mWidth * mHeight * mDepth); + } + + } + setDirty(0, 0, mWidth, mHeight); + } +} + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::onConsoleMessageCallback(std::string message, std::string source, int line) +{ + std::stringstream str; + str << "Console message: " << message << " in file(" << source << ") at line " << line; + postDebugMessage(str.str()); +} + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::onStatusMessageCallback(std::string value) +{ + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "status_text"); + message.setValue("status", value); + sendMessage(message); +} + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::onTitleChangeCallback(std::string title) +{ + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "name_text"); + message.setValue("name", title); + sendMessage(message); +} + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::onLoadStartCallback() +{ + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "navigate_begin"); + //message.setValue("uri", event.getEventUri()); // not easily available here in CEF - needed? + message.setValueBoolean("history_back_available", mLLCEFLib->canGoBack()); + message.setValueBoolean("history_forward_available", mLLCEFLib->canGoForward()); + sendMessage(message); +} + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::onRequestExitCallback() +{ + mLLCEFLib->shutdown(); + + LLPluginMessage message("base", "goodbye"); + sendMessage(message); +} + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::onLoadEndCallback(int httpStatusCode) +{ + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "navigate_complete"); + //message.setValue("uri", event.getEventUri()); // not easily available here in CEF - needed? + message.setValueS32("result_code", httpStatusCode); + message.setValueBoolean("history_back_available", mLLCEFLib->canGoBack()); + message.setValueBoolean("history_forward_available", mLLCEFLib->canGoForward()); + sendMessage(message); +} + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::onAddressChangeCallback(std::string url) +{ + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "location_changed"); + message.setValue("uri", url); + sendMessage(message); +} + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::onNavigateURLCallback(std::string url, std::string target) +{ + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "click_href"); + message.setValue("uri", url); + message.setValue("target", target); + message.setValue("uuid", ""); // not used right now + sendMessage(message); +} + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::onCustomSchemeURLCallback(std::string url) +{ + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "click_nofollow"); + message.setValue("uri", url); + message.setValue("nav_type", "clicked"); // TODO: differentiate between click and navigate to + sendMessage(message); +} + +//////////////////////////////////////////////////////////////////////////////// +// +bool MediaPluginCEF::onHTTPAuthCallback(const std::string host, const std::string realm, std::string& username, std::string& password) +{ + mAuthOK = false; + + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "auth_request"); + message.setValue("url", host); + message.setValue("realm", realm); + message.setValueBoolean("blocking_request", true); + + // The "blocking_request" key in the message means this sendMessage call will block until a response is received. + sendMessage(message); + + if (mAuthOK) + { + username = mAuthUsername; + password = mAuthPassword; + } + + return mAuthOK; +} + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::onFileDownloadCallback(const std::string filename) +{ + mAuthOK = false; + + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "file_download"); + message.setValue("filename", filename); + + sendMessage(message); +} + +void MediaPluginCEF::onCursorChangedCallback(LLCEFLib::ECursorType type, unsigned int handle) +{ + std::string name = ""; + + switch (type) + { + case LLCEFLib::CT_POINTER: + name = "arrow"; + break; + case LLCEFLib::CT_IBEAM: + name = "ibeam"; + break; + case LLCEFLib::CT_NORTHSOUTHRESIZE: + name = "splitv"; + break; + case LLCEFLib::CT_EASTWESTRESIZE: + name = "splith"; + break; + case LLCEFLib::CT_HAND: + name = "hand"; + break; + + default: + LL_WARNS() << "Unknown cursor ID: " << (int)type << LL_ENDL; + break; + } + + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "cursor_changed"); + message.setValue("name", name); + sendMessage(message); +} + +void MediaPluginCEF::authResponse(LLPluginMessage &message) +{ + mAuthOK = message.getValueBoolean("ok"); + if (mAuthOK) + { + mAuthUsername = message.getValue("username"); + mAuthPassword = message.getValue("password"); + } +} + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::receiveMessage(const char* message_string) +{ + // std::cerr << "MediaPluginCEF::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") + { + 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 = "CEF plugin 1.1.3"; + message.setValue("plugin_version", plugin_version); + sendMessage(message); + } + else if (message_name == "idle") + { + mLLCEFLib->update(); + + mVolumeCatcher.pump(); + // this seems bad but unless the state changes (it won't until we figure out + // how to get CEF to tell us if copy/cut/paste is available) then this function + // will return immediately + checkEditState(); + } + else if (message_name == "cleanup") + { + mLLCEFLib->requestExit(); + } + 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"); + + mSharedSegments.insert(SharedSegmentMap::value_type(name, info)); + + } + else if (message_name == "shm_remove") + { + std::string name = message_in.getValue("name"); + + SharedSegmentMap::iterator iter = mSharedSegments.find(name); + if (iter != mSharedSegments.end()) + { + if (mPixels == iter->second.mAddress) + { + mPixels = NULL; + mTextureSegmentName.clear(); + } + mSharedSegments.erase(iter); + } + else + { + } + + LLPluginMessage message("base", "shm_remove_response"); + message.setValue("name", name); + sendMessage(message); + } + else + { + } + } + else if (message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA) + { + if (message_name == "init") + { + // event callbacks from LLCefLib + mLLCEFLib->setOnPageChangedCallback(boost::bind(&MediaPluginCEF::onPageChangedCallback, this, _1, _2, _3, _4, _5, _6)); + mLLCEFLib->setOnCustomSchemeURLCallback(boost::bind(&MediaPluginCEF::onCustomSchemeURLCallback, this, _1)); + mLLCEFLib->setOnConsoleMessageCallback(boost::bind(&MediaPluginCEF::onConsoleMessageCallback, this, _1, _2, _3)); + mLLCEFLib->setOnStatusMessageCallback(boost::bind(&MediaPluginCEF::onStatusMessageCallback, this, _1)); + mLLCEFLib->setOnTitleChangeCallback(boost::bind(&MediaPluginCEF::onTitleChangeCallback, this, _1)); + mLLCEFLib->setOnLoadStartCallback(boost::bind(&MediaPluginCEF::onLoadStartCallback, this)); + mLLCEFLib->setOnLoadEndCallback(boost::bind(&MediaPluginCEF::onLoadEndCallback, this, _1)); + mLLCEFLib->setOnAddressChangeCallback(boost::bind(&MediaPluginCEF::onAddressChangeCallback, this, _1)); + mLLCEFLib->setOnNavigateURLCallback(boost::bind(&MediaPluginCEF::onNavigateURLCallback, this, _1, _2)); + mLLCEFLib->setOnHTTPAuthCallback(boost::bind(&MediaPluginCEF::onHTTPAuthCallback, this, _1, _2, _3, _4)); + mLLCEFLib->setOnFileDownloadCallback(boost::bind(&MediaPluginCEF::onFileDownloadCallback, this, _1)); + mLLCEFLib->setOnCursorChangedCallback(boost::bind(&MediaPluginCEF::onCursorChangedCallback, this, _1, _2)); + mLLCEFLib->setOnRequestExitCallback(boost::bind(&MediaPluginCEF::onRequestExitCallback, this)); + + LLCEFLib::LLCEFLibSettings settings; + settings.initial_width = 1024; + settings.initial_height = 1024; + settings.plugins_enabled = mPluginsEnabled; + settings.javascript_enabled = mJavascriptEnabled; + settings.cookies_enabled = mCookiesEnabled; + settings.cookie_store_path = mCookiePath; + settings.cache_enabled = true; + settings.cache_path = mCachePath; + settings.accept_language_list = mHostLanguage; + settings.user_agent_substring = mLLCEFLib->makeCompatibleUserAgentString(mUserAgentSubtring); + + bool result = mLLCEFLib->init(settings); + if (!result) + { + // if this fails, the media system in viewer will put up a message + } + + // Plugin gets to decide the texture parameters to use. + mDepth = 4; + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "texture_params"); + message.setValueS32("default_width", 1024); + message.setValueS32("default_height", 1024); + message.setValueS32("depth", mDepth); + message.setValueU32("internalformat", GL_RGB); + message.setValueU32("format", GL_BGRA); + message.setValueU32("type", GL_UNSIGNED_BYTE); + message.setValueBoolean("coords_opengl", true); + sendMessage(message); + } + else if (message_name == "set_user_data_path") + { + std::string user_data_path_cache = message_in.getValue("cache_path"); + std::string user_data_path_cookies = message_in.getValue("cookies_path"); + mCachePath = user_data_path_cache + "cef_cache"; + mCookiePath = user_data_path_cookies + "cef_cookies"; + } + else 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"); + + 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; + + mTextureWidth = texture_width; + mTextureHeight = texture_height; + }; + }; + + mLLCEFLib->setSize(mWidth, mHeight); + + 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 == "set_language_code") + { + mHostLanguage = message_in.getValue("language"); + } + else if (message_name == "load_uri") + { + std::string uri = message_in.getValue("uri"); + mLLCEFLib->navigate(uri); + } + else if (message_name == "set_cookie") + { + std::string uri = message_in.getValue("uri"); + std::string name = message_in.getValue("name"); + std::string value = message_in.getValue("value"); + std::string domain = message_in.getValue("domain"); + std::string path = message_in.getValue("path"); + bool httponly = message_in.getValueBoolean("httponly"); + bool secure = message_in.getValueBoolean("secure"); + mLLCEFLib->setCookie(uri, name, value, domain, path, httponly, secure); + } + else if (message_name == "mouse_event") + { + std::string event = message_in.getValue("event"); + + S32 x = message_in.getValueS32("x"); + S32 y = message_in.getValueS32("y"); + + // only even send left mouse button events to LLCEFLib + // (partially prompted by crash in OS X CEF when sending right button events) + // we catch the right click in viewer and display our own context menu anyway + S32 button = message_in.getValueS32("button"); + LLCEFLib::EMouseButton btn = LLCEFLib::MB_MOUSE_BUTTON_LEFT; + + if (event == "down" && button == 0) + { + mLLCEFLib->mouseButton(btn, LLCEFLib::ME_MOUSE_DOWN, x, y); + mLLCEFLib->setFocus(true); + + std::stringstream str; + str << "Mouse down at = " << x << ", " << y; + postDebugMessage(str.str()); + } + else if (event == "up" && button == 0) + { + mLLCEFLib->mouseButton(btn, LLCEFLib::ME_MOUSE_UP, x, y); + + std::stringstream str; + str << "Mouse up at = " << x << ", " << y; + postDebugMessage(str.str()); + } + else if (event == "double_click") + { + mLLCEFLib->mouseButton(btn, LLCEFLib::ME_MOUSE_DOUBLE_CLICK, x, y); + } + else + { + mLLCEFLib->mouseMove(x, y); + } + } + else if (message_name == "scroll_event") + { + S32 x = message_in.getValueS32("x"); + S32 y = message_in.getValueS32("y"); + const int scaling_factor = 40; + y *= -scaling_factor; + + mLLCEFLib->mouseWheel(x, y); + } + 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); + } + else if (message_name == "key_event") + { +#if LL_DARWIN + std::string event = message_in.getValue("event"); + S32 key = message_in.getValueS32("key"); + LLSD native_key_data = message_in.getValueLLSD("native_key_data"); + +#if 0 + if (event == "down") + { + //mLLCEFLib->keyPress(key, true); + mLLCEFLib->keyboardEvent(LLCEFLib::KE_KEY_DOWN, (uint32_t)key, 0, LLCEFLib::KM_MODIFIER_NONE, 0, 0, 0); + + } + else if (event == "up") + { + //mLLCEFLib->keyPress(key, false); + mLLCEFLib->keyboardEvent(LLCEFLib::KE_KEY_UP, (uint32_t)key, 0, LLCEFLib::KM_MODIFIER_NONE, 0, 0, 0); + } +#else + // Treat unknown events as key-up for safety. + LLCEFLib::EKeyEvent key_event = LLCEFLib::KE_KEY_UP; + if (event == "down") + { + key_event = LLCEFLib::KE_KEY_DOWN; + } + else if (event == "repeat") + { + key_event = LLCEFLib::KE_KEY_REPEAT; + } + + keyEvent(key_event, key, LLCEFLib::KM_MODIFIER_NONE, native_key_data); + +#endif +#elif LL_WINDOWS + 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. + LLCEFLib::EKeyEvent key_event = LLCEFLib::KE_KEY_UP; + if (event == "down") + { + key_event = LLCEFLib::KE_KEY_DOWN; + } + else if (event == "repeat") + { + key_event = LLCEFLib::KE_KEY_REPEAT; + } + + keyEvent(key_event, key, decodeModifiers(modifiers), native_key_data); +#endif + } + else if (message_name == "enable_media_plugin_debugging") + { + mEnableMediaPluginDebugging = message_in.getValueBoolean("enable"); + } + if (message_name == "auth_response") + { + authResponse(message_in); + } + if (message_name == "edit_cut") + { + mLLCEFLib->editCut(); + } + if (message_name == "edit_copy") + { + mLLCEFLib->editCopy(); + } + if (message_name == "edit_paste") + { + mLLCEFLib->editPaste(); + } + } + else if (message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER) + { + if (message_name == "set_page_zoom_factor") + { + F32 factor = (F32)message_in.getValueReal("factor"); + mLLCEFLib->setPageZoom(factor); + } + if (message_name == "browse_stop") + { + mLLCEFLib->stop(); + } + else if (message_name == "browse_reload") + { + bool ignore_cache = true; + mLLCEFLib->reload(ignore_cache); + } + else if (message_name == "browse_forward") + { + mLLCEFLib->goForward(); + } + else if (message_name == "browse_back") + { + mLLCEFLib->goBack(); + } + else if (message_name == "cookies_enabled") + { + mCookiesEnabled = message_in.getValueBoolean("enable"); + } + else if (message_name == "set_user_agent") + { + mUserAgentSubtring = message_in.getValue("user_agent"); + } + else if (message_name == "show_web_inspector") + { + mLLCEFLib->showDevTools(true); + } + else if (message_name == "plugins_enabled") + { + mPluginsEnabled = message_in.getValueBoolean("enable"); + } + else if (message_name == "javascript_enabled") + { + mJavascriptEnabled = message_in.getValueBoolean("enable"); + } + } + else if (message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME) + { + if (message_name == "set_volume") + { + F32 volume = (F32)message_in.getValueReal("volume"); + setVolume(volume); + } + } + else + { + }; + } +} + +LLCEFLib::EKeyboardModifier MediaPluginCEF::decodeModifiers(std::string &modifiers) +{ + int result = 0; + + if (modifiers.find("shift") != std::string::npos) + result |= LLCEFLib::KM_MODIFIER_SHIFT; + + if (modifiers.find("alt") != std::string::npos) + result |= LLCEFLib::KM_MODIFIER_ALT; + + if (modifiers.find("control") != std::string::npos) + result |= LLCEFLib::KM_MODIFIER_CONTROL; + + if (modifiers.find("meta") != std::string::npos) + result |= LLCEFLib::KM_MODIFIER_META; + + return (LLCEFLib::EKeyboardModifier)result; +} + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::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 +#endif + }; +}; + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::keyEvent(LLCEFLib::EKeyEvent key_event, int key, LLCEFLib::EKeyboardModifier modifiers_x, LLSD native_key_data = LLSD::emptyMap()) +{ +#if LL_DARWIN + + if (!native_key_data.has("event_type") || + !native_key_data.has("event_modifiers") || + !native_key_data.has("event_keycode") || + !native_key_data.has("event_isrepeat")) + return; + + uint32_t eventType = native_key_data["event_type"].asInteger(); + if (!eventType) + return; + uint32_t eventModifiers = native_key_data["event_modifiers"].asInteger(); + uint32_t eventKeycode = native_key_data["event_keycode"].asInteger(); + char eventChars = static_cast<char>(native_key_data["event_chars"].isUndefined() ? 0 : native_key_data["event_chars"].asInteger()); + char eventUChars = static_cast<char>(native_key_data["event_umodchars"].isUndefined() ? 0 : native_key_data["event_umodchars"].asInteger()); + bool eventIsRepeat = native_key_data["event_isrepeat"].asBoolean(); + + mLLCEFLib->keyboardEventOSX(eventType, eventModifiers, (eventChars) ? &eventChars : NULL, + (eventUChars) ? &eventUChars : NULL, eventIsRepeat, eventKeycode); + +#elif LL_WINDOWS + U32 msg = ll_U32_from_sd(native_key_data["msg"]); + U32 wparam = ll_U32_from_sd(native_key_data["w_param"]); + U64 lparam = ll_U32_from_sd(native_key_data["l_param"]); + + mLLCEFLib->nativeKeyboardEvent(msg, wparam, lparam); +#endif +}; + +void MediaPluginCEF::unicodeInput(const std::string &utf8str, LLCEFLib::EKeyboardModifier modifiers, LLSD native_key_data = LLSD::emptyMap()) +{ +#if LL_DARWIN + //mLLCEFLib->keyPress(utf8str[0], true); + //mLLCEFLib->keyboardEvent(LLCEFLib::KE_KEY_DOWN, (uint32_t)(utf8str[0]), 0, LLCEFLib::KM_MODIFIER_NONE, 0, 0, 0); + if (!native_key_data.has("event_chars") || !native_key_data.has("event_umodchars") || + !native_key_data.has("event_keycode") || !native_key_data.has("event_modifiers")) + return; + uint32_t unicodeChar = native_key_data["event_chars"].asInteger(); + uint32_t unmodifiedChar = native_key_data["event_umodchars"].asInteger(); + uint32_t keyCode = native_key_data["event_keycode"].asInteger(); + uint32_t rawmodifiers = native_key_data["event_modifiers"].asInteger(); + + mLLCEFLib->injectUnicodeText(unicodeChar, unmodifiedChar, keyCode, rawmodifiers); + +#elif LL_WINDOWS + U32 msg = ll_U32_from_sd(native_key_data["msg"]); + U32 wparam = ll_U32_from_sd(native_key_data["w_param"]); + U64 lparam = ll_U32_from_sd(native_key_data["l_param"]); + mLLCEFLib->nativeKeyboardEvent(msg, wparam, lparam); +#endif +}; + +//////////////////////////////////////////////////////////////////////////////// +// +void MediaPluginCEF::checkEditState() +{ + bool can_cut = mLLCEFLib->editCanCut(); + bool can_copy = mLLCEFLib->editCanCopy(); + bool can_paste = mLLCEFLib->editCanPaste(); + + 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); + } +} + +void MediaPluginCEF::setVolume(F32 vol) +{ + mVolumeCatcher.setVolume(vol); +} + +//////////////////////////////////////////////////////////////////////////////// +// +bool MediaPluginCEF::init() +{ + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "name_text"); + message.setValue("name", "CEF Plugin"); + sendMessage(message); + + return true; +}; + +//////////////////////////////////////////////////////////////////////////////// +// +int init_media_plugin(LLPluginInstance::sendMessageFunction host_send_func, + void* host_user_data, + LLPluginInstance::sendMessageFunction *plugin_send_func, + void **plugin_user_data) +{ + MediaPluginCEF* self = new MediaPluginCEF(host_send_func, host_user_data); + *plugin_send_func = MediaPluginCEF::staticReceiveMessage; + *plugin_user_data = (void*)self; + + return 0; +} diff --git a/indra/media_plugins/cef/volume_catcher.h b/indra/media_plugins/cef/volume_catcher.h new file mode 100644 index 0000000000..337f2913d3 --- /dev/null +++ b/indra/media_plugins/cef/volume_catcher.h @@ -0,0 +1,54 @@ +/** + * @file volume_catcher.h + * @brief Interface to a class with platform-specific implementations that allows control of the audio volume of all sources in the current process. + * + * @cond + * $LicenseInfo:firstyear=2010&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + * @endcond + */ + +#ifndef VOLUME_CATCHER_H +#define VOLUME_CATCHER_H + +#include "linden_common.h" + +class VolumeCatcherImpl; + +class VolumeCatcher +{ + public: + VolumeCatcher(); + ~VolumeCatcher(); + + void setVolume(F32 volume); // 0.0 - 1.0 + + // Set the left-right pan of audio sources + // where -1.0 = left, 0 = center, and 1.0 = right + void setPan(F32 pan); + + void pump(); // call this at least a few times a second if you can - it affects how quickly we can 'catch' a new audio source and adjust its volume + + private: + VolumeCatcherImpl *pimpl; +}; + +#endif // VOLUME_CATCHER_H diff --git a/indra/media_plugins/cef/windows_volume_catcher.cpp b/indra/media_plugins/cef/windows_volume_catcher.cpp new file mode 100644 index 0000000000..0cfb810906 --- /dev/null +++ b/indra/media_plugins/cef/windows_volume_catcher.cpp @@ -0,0 +1,147 @@ +/** + * @file windows_volume_catcher.cpp + * @brief A Windows implementation of volume level control of all audio channels opened by a process. + * + * @cond + * $LicenseInfo:firstyear=2010&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + * @endcond + */ + +#include "volume_catcher.h" +#include <windows.h> +#include "llsingleton.h" +class VolumeCatcherImpl : public LLSingleton<VolumeCatcherImpl> +{ +friend LLSingleton<VolumeCatcherImpl>; +public: + + void setVolume(F32 volume); + void setPan(F32 pan); + +private: + // This is a singleton class -- both callers and the component implementation should use getInstance() to find the instance. + VolumeCatcherImpl(); + ~VolumeCatcherImpl(); + + typedef void (WINAPI *set_volume_func_t)(F32); + typedef void (WINAPI *set_mute_func_t)(bool); + + set_volume_func_t mSetVolumeFunc; + set_mute_func_t mSetMuteFunc; + + // tests if running on Vista, 7, 8 + once in CTOR + bool isWindowsVistaOrHigher(); + + F32 mVolume; + F32 mPan; + bool mSystemIsVistaOrHigher; +}; + +bool VolumeCatcherImpl::isWindowsVistaOrHigher() +{ + OSVERSIONINFO osvi; + ZeroMemory(&osvi, sizeof(OSVERSIONINFO)); + osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + GetVersionEx(&osvi); + return osvi.dwMajorVersion >= 6; +} + +VolumeCatcherImpl::VolumeCatcherImpl() +: mVolume(1.0f), // default volume is max + mPan(0.f) // default pan is centered +{ + mSystemIsVistaOrHigher = isWindowsVistaOrHigher(); + + if ( ! mSystemIsVistaOrHigher ) + { + HMODULE handle = ::LoadLibrary(L"winmm.dll"); + if(handle) + { + mSetVolumeFunc = (set_volume_func_t)::GetProcAddress(handle, "setPluginVolume"); + mSetMuteFunc = (set_mute_func_t)::GetProcAddress(handle, "setPluginMute"); + } + } +} + +VolumeCatcherImpl::~VolumeCatcherImpl() +{ +} + +void VolumeCatcherImpl::setVolume(F32 volume) +{ + mVolume = volume; + + if ( mSystemIsVistaOrHigher ) + { + // set both left/right to same volume + // TODO: use pan value to set independently + DWORD left_channel = (DWORD)(mVolume * 65535.0f); + DWORD right_channel = (DWORD)(mVolume * 65535.0f); + DWORD hw_volume = left_channel << 16 | right_channel; + ::waveOutSetVolume(NULL, hw_volume); + } + else + { + if (mSetMuteFunc) + { + mSetMuteFunc(volume == 0.f); + } + if (mSetVolumeFunc) + { + mSetVolumeFunc(mVolume); + } + } +} + +void VolumeCatcherImpl::setPan(F32 pan) +{ // remember pan for calculating individual channel levels later + mPan = pan; +} + +///////////////////////////////////////////////////// + +VolumeCatcher::VolumeCatcher() +{ + pimpl = VolumeCatcherImpl::getInstance(); +} + +VolumeCatcher::~VolumeCatcher() +{ + // Let the instance persist until exit. +} + +void VolumeCatcher::setVolume(F32 volume) +{ + pimpl->setVolume(volume); +} + +void VolumeCatcher::setPan(F32 pan) +{ + pimpl->setPan(pan); +} + +void VolumeCatcher::pump() +{ + // No periodic tasks are necessary for this implementation. +} + + |