llpluginclassmedia.h
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- /**
- * @file llpluginclassmedia.h
- * @brief LLPluginClassMedia handles interaction with a plugin which knows about the "media" message class.
- *
- * @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
- */
- #ifndef LL_LLPLUGINCLASSMEDIA_H
- #define LL_LLPLUGINCLASSMEDIA_H
- #include "llgltypes.h"
- #include "llpluginprocessparent.h"
- #include "llrect.h"
- #include "llpluginclassmediaowner.h"
- #include <queue>
- #include "v4color.h"
- class LLPluginClassMedia : public LLPluginProcessParentOwner
- {
- LOG_CLASS(LLPluginClassMedia);
- public:
- LLPluginClassMedia(LLPluginClassMediaOwner *owner);
- virtual ~LLPluginClassMedia();
- // local initialization, called by the media manager when creating a source
- virtual bool init(const std::string &launcher_filename, const std::string &plugin_filename, bool debug, const std::string &user_data_path);
- // undoes everything init() didm called by the media manager when destroying a source
- virtual void reset();
-
- void idle(void);
-
- // All of these may return 0 or an actual valid value.
- // Callers need to check the return for 0, and not use the values in that case.
- int getWidth() const { return (mMediaWidth > 0) ? mMediaWidth : 0; };
- int getHeight() const { return (mMediaHeight > 0) ? mMediaHeight : 0; };
- int getNaturalWidth() const { return mNaturalMediaWidth; };
- int getNaturalHeight() const { return mNaturalMediaHeight; };
- int getSetWidth() const { return mSetMediaWidth; };
- int getSetHeight() const { return mSetMediaHeight; };
- int getBitsWidth() const { return (mTextureWidth > 0) ? mTextureWidth : 0; };
- int getBitsHeight() const { return (mTextureHeight > 0) ? mTextureHeight : 0; };
- int getTextureWidth() const;
- int getTextureHeight() const;
- int getFullWidth() const { return mFullMediaWidth; };
- int getFullHeight() const { return mFullMediaHeight; };
-
- // This may return NULL. Callers need to check for and handle this case.
- unsigned char* getBitsData();
- // gets the format details of the texture data
- // These may return 0 if they haven't been set up yet. The caller needs to detect this case.
- int getTextureDepth() const { return mRequestedTextureDepth; };
- int getTextureFormatInternal() const { return mRequestedTextureInternalFormat; };
- int getTextureFormatPrimary() const { return mRequestedTextureFormat; };
- int getTextureFormatType() const { return mRequestedTextureType; };
- bool getTextureFormatSwapBytes() const { return mRequestedTextureSwapBytes; };
- bool getTextureCoordsOpenGL() const { return mRequestedTextureCoordsOpenGL; };
- void setSize(int width, int height);
- void setAutoScale(bool auto_scale);
-
- void setBackgroundColor(LLColor4 color) { mBackgroundColor = color; };
-
- // Returns true if all of the texture parameters (depth, format, size, and texture size) are set up and consistent.
- // This will initially be false, and will also be false for some time after setSize while the resize is processed.
- // Note that if this returns true, it is safe to use all the get() functions above without checking for invalid return values
- // until you call idle() again.
- bool textureValid(void);
-
- bool getDirty(LLRect *dirty_rect = NULL);
- void resetDirty(void);
-
- typedef enum
- {
- MOUSE_EVENT_DOWN,
- MOUSE_EVENT_UP,
- MOUSE_EVENT_MOVE,
- MOUSE_EVENT_DOUBLE_CLICK
- }EMouseEventType;
-
- void mouseEvent(EMouseEventType type, int button, int x, int y, MASK modifiers);
- typedef enum
- {
- KEY_EVENT_DOWN,
- KEY_EVENT_UP,
- KEY_EVENT_REPEAT
- }EKeyEventType;
-
- bool keyEvent(EKeyEventType type, int key_code, MASK modifiers, LLSD native_key_data);
- void scrollEvent(int x, int y, MASK modifiers);
-
- // Text may be unicode (utf8 encoded)
- bool textInput(const std::string &text, MASK modifiers, LLSD native_key_data);
-
- void loadURI(const std::string &uri);
-
- // "Loading" means uninitialized or any state prior to fully running (processing commands)
- bool isPluginLoading(void) { return mPlugin?mPlugin->isLoading():false; };
- // "Running" means the steady state -- i.e. processing messages
- bool isPluginRunning(void) { return mPlugin?mPlugin->isRunning():false; };
-
- // "Exited" means any regular or error state after "Running" (plugin may have crashed or exited normally)
- bool isPluginExited(void) { return mPlugin?mPlugin->isDone():false; };
- std::string getPluginVersion() { return mPlugin?mPlugin->getPluginVersion():std::string(""); };
- bool getDisableTimeout() { return mPlugin?mPlugin->getDisableTimeout():false; };
- void setDisableTimeout(bool disable) { if(mPlugin) mPlugin->setDisableTimeout(disable); };
-
- // Inherited from LLPluginProcessParentOwner
- /* virtual */ void receivePluginMessage(const LLPluginMessage &message);
- /* virtual */ void pluginLaunchFailed();
- /* virtual */ void pluginDied();
-
-
- typedef enum
- {
- PRIORITY_UNLOADED, // media plugin isn't even loaded.
- PRIORITY_STOPPED, // media is not playing, shouldn't need to update at all.
- PRIORITY_HIDDEN, // media is not being displayed or is out of view, don't need to do graphic updates, but may still update audio, playhead, etc.
- PRIORITY_SLIDESHOW, // media is in the far distance, updates very infrequently
- PRIORITY_LOW, // media is in the distance, may be rendered at reduced size
- PRIORITY_NORMAL, // normal (default) priority
- PRIORITY_HIGH // media has user focus and/or is taking up most of the screen
- }EPriority;
- static const char* priorityToString(EPriority priority);
- void setPriority(EPriority priority);
- void setLowPrioritySizeLimit(int size);
-
- F64 getCPUUsage();
- // Valid after a MEDIA_EVENT_CURSOR_CHANGED event
- std::string getCursorName() const { return mCursorName; };
- LLPluginClassMediaOwner::EMediaStatus getStatus() const { return mStatus; }
- void cut();
- bool canCut() const { return mCanCut; };
- void copy();
- bool canCopy() const { return mCanCopy; };
- void paste();
- bool canPaste() const { return mCanPaste; };
-
- ///////////////////////////////////
- // media browser class functions
- bool pluginSupportsMediaBrowser(void);
-
- void focus(bool focused);
- void clear_cache();
- void clear_cookies();
- void enable_cookies(bool enable);
- void proxy_setup(bool enable, const std::string &host = LLStringUtil::null, int port = 0);
- void browse_stop();
- void browse_reload(bool ignore_cache = false);
- void browse_forward();
- void browse_back();
- void set_status_redirect(int code, const std::string &url);
- void setBrowserUserAgent(const std::string& user_agent);
-
- // This is valid after MEDIA_EVENT_NAVIGATE_BEGIN or MEDIA_EVENT_NAVIGATE_COMPLETE
- std::string getNavigateURI() const { return mNavigateURI; };
- // These are valid after MEDIA_EVENT_NAVIGATE_COMPLETE
- S32 getNavigateResultCode() const { return mNavigateResultCode; };
- std::string getNavigateResultString() const { return mNavigateResultString; };
- bool getHistoryBackAvailable() const { return mHistoryBackAvailable; };
- bool getHistoryForwardAvailable() const { return mHistoryForwardAvailable; };
- // This is valid after MEDIA_EVENT_PROGRESS_UPDATED
- int getProgressPercent() const { return mProgressPercent; };
-
- // This is valid after MEDIA_EVENT_STATUS_TEXT_CHANGED
- std::string getStatusText() const { return mStatusText; };
-
- // This is valid after MEDIA_EVENT_LOCATION_CHANGED
- std::string getLocation() const { return mLocation; };
-
- // This is valid after MEDIA_EVENT_CLICK_LINK_HREF or MEDIA_EVENT_CLICK_LINK_NOFOLLOW
- std::string getClickURL() const { return mClickURL; };
- // This is valid after MEDIA_EVENT_CLICK_LINK_HREF
- std::string getClickTarget() const { return mClickTarget; };
- typedef enum
- {
- TARGET_NONE, // empty href target string
- TARGET_BLANK, // target to open link in user's preferred browser
- TARGET_EXTERNAL, // target to open link in external browser
- TARGET_OTHER // nonempty and unsupported target type
- }ETargetType;
- // This is valid after MEDIA_EVENT_CLICK_LINK_HREF
- ETargetType getClickTargetType() const { return mClickTargetType; };
- std::string getMediaName() const { return mMediaName; };
- std::string getMediaDescription() const { return mMediaDescription; };
- // Crash the plugin. If you use this outside of a testbed, you will be punished.
- void crashPlugin();
-
- // Hang the plugin. If you use this outside of a testbed, you will be punished.
- void hangPlugin();
- ///////////////////////////////////
- // media time class functions
- bool pluginSupportsMediaTime(void);
- void stop();
- void start(float rate = 0.0f);
- void pause();
- void seek(float time);
- void setLoop(bool loop);
- void setVolume(float volume);
- float getVolume();
-
- F64 getCurrentTime(void) const { return mCurrentTime; };
- F64 getDuration(void) const { return mDuration; };
- F64 getCurrentPlayRate(void) { return mCurrentRate; };
- F64 getLoadedDuration(void) const { return mLoadedDuration; };
-
- // Initialize the URL history of the plugin by sending
- // "init_history" message
- void initializeUrlHistory(const LLSD& url_history);
- protected:
- LLPluginClassMediaOwner *mOwner;
- // Notify this object's owner that an event has occurred.
- void mediaEvent(LLPluginClassMediaOwner::EMediaEvent event);
-
- void sendMessage(const LLPluginMessage &message); // Send message internally, either queueing or sending directly.
- std::queue<LLPluginMessage> mSendQueue; // Used to queue messages while the plugin initializes.
-
- void setSizeInternal(void);
- bool mTextureParamsReceived; // the mRequestedTexture* fields are only valid when this is true
- S32 mRequestedTextureDepth;
- LLGLenum mRequestedTextureInternalFormat;
- LLGLenum mRequestedTextureFormat;
- LLGLenum mRequestedTextureType;
- bool mRequestedTextureSwapBytes;
- bool mRequestedTextureCoordsOpenGL;
-
- std::string mTextureSharedMemoryName;
- size_t mTextureSharedMemorySize;
-
- // True to scale requested media up to the full size of the texture (i.e. next power of two)
- bool mAutoScaleMedia;
- // default media size for the plugin, from the texture_params message.
- int mDefaultMediaWidth;
- int mDefaultMediaHeight;
- // Size that has been requested by the plugin itself
- int mNaturalMediaWidth;
- int mNaturalMediaHeight;
- // Size that has been requested with setSize()
- int mSetMediaWidth;
- int mSetMediaHeight;
-
- // Full calculated media size (before auto-scale and downsample calculations)
- int mFullMediaWidth;
- int mFullMediaHeight;
- // Actual media size being set (after auto-scale)
- int mRequestedMediaWidth;
- int mRequestedMediaHeight;
-
- // Texture size calculated from actual media size
- int mRequestedTextureWidth;
- int mRequestedTextureHeight;
-
- // Size that the plugin has acknowledged
- int mTextureWidth;
- int mTextureHeight;
- int mMediaWidth;
- int mMediaHeight;
-
- float mRequestedVolume;
-
- // Priority of this media stream
- EPriority mPriority;
- int mLowPrioritySizeLimit;
-
- bool mAllowDownsample;
- int mPadding;
-
-
- LLPluginProcessParent *mPlugin;
-
- LLRect mDirtyRect;
-
- std::string translateModifiers(MASK modifiers);
-
- std::string mCursorName;
- int mLastMouseX;
- int mLastMouseY;
- LLPluginClassMediaOwner::EMediaStatus mStatus;
-
- F64 mSleepTime;
- bool mCanCut;
- bool mCanCopy;
- bool mCanPaste;
-
- std::string mMediaName;
- std::string mMediaDescription;
-
- LLColor4 mBackgroundColor;
-
- /////////////////////////////////////////
- // media_browser class
- std::string mNavigateURI;
- S32 mNavigateResultCode;
- std::string mNavigateResultString;
- bool mHistoryBackAvailable;
- bool mHistoryForwardAvailable;
- std::string mStatusText;
- int mProgressPercent;
- std::string mLocation;
- std::string mClickURL;
- std::string mClickTarget;
- ETargetType mClickTargetType;
-
- /////////////////////////////////////////
- // media_time class
- F64 mCurrentTime;
- F64 mDuration;
- F64 mCurrentRate;
- F64 mLoadedDuration;
-
- };
- #endif // LL_LLPLUGINCLASSMEDIA_H