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/**
* @file llviewermedia.h
* @brief Client interface to the media engine
*
* $LicenseInfo:firstyear=2007&license=viewergpl$
*
* Copyright (c) 2007-2009, 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.
* $/LicenseInfo$
*/
#ifndef LLVIEWERMEDIA_H
#define LLVIEWERMEDIA_H
#include "llfocusmgr.h"
#include "lleditmenuhandler.h"
#include "llpanel.h"
#include "llpluginclassmediaowner.h"
#include "llviewermediaobserver.h"
class LLViewerMediaImpl;
class LLUUID;
class LLViewerMediaTexture;
typedef LLPointer<LLViewerMediaImpl> viewer_media_t;
///////////////////////////////////////////////////////////////////////////////
//
class LLViewerMediaEventEmitter
{
public:
virtual ~LLViewerMediaEventEmitter();
bool addObserver( LLViewerMediaObserver* subject );
bool remObserver( LLViewerMediaObserver* subject );
void emitEvent(LLPluginClassMedia* self, LLPluginClassMediaOwner::EMediaEvent event);
private:
typedef std::list< LLViewerMediaObserver* > observerListType;
observerListType mObservers;
};
class LLViewerMedia
{
LOG_CLASS(LLViewerMedia);
public:
// Special case early init for just web browser component
// so we can show login screen. See .cpp file for details. JC
static viewer_media_t newMediaImpl(const std::string& media_url,
const LLUUID& texture_id,
S32 media_width,
S32 media_height,
U8 media_auto_scale,
U8 media_loop,
std::string mime_type = "none/none");
static void removeMedia(LLViewerMediaImpl* media);
static LLViewerMediaImpl* getMediaImplFromTextureID(const LLUUID& texture_id);
static std::string getCurrentUserAgent();
static void updateBrowserUserAgent();
static bool handleSkinCurrentChanged(const LLSD& /*newvalue*/);
static bool textureHasMedia(const LLUUID& texture_id);
static void setVolume(F32 volume);
static void updateMedia();
static bool isMusicPlaying();
static void cleanupClass();
static void toggleMusicPlay(void*);
static void toggleMediaPlay(void*);
static void mediaStop(void*);
};
// Implementation functions not exported into header file
class LLViewerMediaImpl
: public LLMouseHandler, public LLRefCount, public LLPluginClassMediaOwner, public LLViewerMediaEventEmitter, public LLEditMenuHandler
{
LOG_CLASS(LLViewerMediaImpl);
public:
LLViewerMediaImpl(const std::string& media_url,
const LLUUID& texture_id,
S32 media_width,
S32 media_height,
U8 media_auto_scale,
U8 media_loop,
const std::string& mime_type);
~LLViewerMediaImpl();
void createMediaSource();
void destroyMediaSource();
void setMediaType(const std::string& media_type);
bool initializeMedia(const std::string& mime_type);
bool initializePlugin(const std::string& media_type);
LLPluginClassMedia* getMediaPlugin() { return mMediaSource; }
void setSize(int width, int height);
void play();
void stop();
void pause();
void start();
void seek(F32 time);
void setVolume(F32 volume);
void focus(bool focus);
void mouseDown(S32 x, S32 y);
void mouseUp(S32 x, S32 y);
void mouseMove(S32 x, S32 y);
void mouseLeftDoubleClick(S32 x,S32 y );
void mouseCapture();
void navigateHome();
void navigateTo(const std::string& url, const std::string& mime_type = "", bool rediscover_type = false);
void navigateStop();
bool handleKeyHere(KEY key, MASK mask);
bool handleUnicodeCharHere(llwchar uni_char);
bool canNavigateForward();
bool canNavigateBack();
std::string getMediaURL() { return mMediaURL; }
std::string getMediaHomeURL() { return mHomeURL; }
std::string getMimeType() { return mMimeType; }
void scaleMouse(S32 *mouse_x, S32 *mouse_y);
void update();
void updateMovieImage(const LLUUID& image_id, BOOL active);
void updateImagesMediaStreams();
LLUUID getMediaTextureID();
void suspendUpdates(bool suspend) { mSuspendUpdates = suspend; };
void setVisible(bool visible);
bool isMediaPlaying();
bool isMediaPaused();
bool hasMedia();
// utility function to create a ready-to-use media instance from a desired media type.
static LLPluginClassMedia* newSourceFromMediaType(std::string media_type, LLPluginClassMediaOwner *owner /* may be NULL */, S32 default_width, S32 default_height);
// Internally set our desired browser user agent string, including
// the Second Life version and skin name. Used because we can
// switch skins without restarting the app.
static void updateBrowserUserAgent();
// Callback for when the SkinCurrent control is changed to
// switch the user agent string to indicate the new skin.
static bool handleSkinCurrentChanged(const LLSD& newvalue);
// need these to handle mouseup...
/*virtual*/ void onMouseCaptureLost();
/*virtual*/ BOOL handleMouseUp(S32 x, S32 y, MASK mask);
// Grr... the only thing I want as an LLMouseHandler are the onMouseCaptureLost and handleMouseUp calls.
// Sadly, these are all pure virtual, so I have to supply implementations here:
/*virtual*/ BOOL handleMouseDown(S32 x, S32 y, MASK mask) { return FALSE; };
/*virtual*/ BOOL handleHover(S32 x, S32 y, MASK mask) { return FALSE; };
/*virtual*/ BOOL handleScrollWheel(S32 x, S32 y, S32 clicks) { return FALSE; };
/*virtual*/ BOOL handleDoubleClick(S32 x, S32 y, MASK mask) { return FALSE; };
/*virtual*/ BOOL handleRightMouseDown(S32 x, S32 y, MASK mask) { return FALSE; };
/*virtual*/ BOOL handleRightMouseUp(S32 x, S32 y, MASK mask) { return FALSE; };
/*virtual*/ BOOL handleToolTip(S32 x, S32 y, std::string& msg, LLRect& sticky_rect_screen) { return FALSE; };
/*virtual*/ BOOL handleMiddleMouseDown(S32 x, S32 y, MASK mask) { return FALSE; };
/*virtual*/ BOOL handleMiddleMouseUp(S32 x, S32 y, MASK mask) {return FALSE; };
/*virtual*/ const std::string& getName() const { return LLStringUtil::null; };
/*virtual*/ BOOL isView() const { return FALSE; };
/*virtual*/ void screenPointToLocal(S32 screen_x, S32 screen_y, S32* local_x, S32* local_y) const {};
/*virtual*/ void localPointToScreen(S32 local_x, S32 local_y, S32* screen_x, S32* screen_y) const {};
/*virtual*/ BOOL hasMouseCapture() { return gFocusMgr.getMouseCapture() == this; };
// Inherited from LLPluginClassMediaOwner
/*virtual*/ void handleMediaEvent(LLPluginClassMedia* self, LLPluginClassMediaOwner::EMediaEvent);
// LLEditMenuHandler overrides
/*virtual*/ void cut();
/*virtual*/ BOOL canCut() const;
/*virtual*/ void copy();
/*virtual*/ BOOL canCopy() const;
/*virtual*/ void paste();
/*virtual*/ BOOL canPaste() const;
public:
// a single media url with some data and an impl.
LLPluginClassMedia* mMediaSource;
LLUUID mTextureId;
bool mMovieImageHasMips;
std::string mMediaURL;
std::string mHomeURL;
std::string mMimeType;
S32 mLastMouseX; // save the last mouse coord we get, so when we lose capture we can simulate a mouseup at that point.
S32 mLastMouseY;
S32 mMediaWidth;
S32 mMediaHeight;
bool mMediaAutoScale;
bool mMediaLoop;
bool mNeedsNewTexture;
bool mSuspendUpdates;
bool mVisible;
private:
LLViewerMediaTexture *updatePlaceholderImage();
};
#endif // LLVIEWERMEDIA_H
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