EXP-1471 WIP Add support for zooming web pages by a scale facxtor

3 files changed, 24 insertions, 1 deletions

diff --git a/indra/newview/llmediactrl.cpp b/indra/newview/llmediactrl.cpp
index 0bdeb114f5..dd12546bc6 100644
--- a/indra/newview/llmediactrl.cpp
+++ b/indra/newview/llmediactrl.cpp
@@ -113,7 +113,7 @@ LLMediaCtrl::LLMediaCtrl( const Params& p) :
 	}
 
 	setIgnoreUIScale(p.ignore_ui_scale);
-	
+
 	setHomePageUrl(p.start_url, p.initial_mime_type);
 	
 	setBorderVisible(p.border_visible);
@@ -779,6 +779,18 @@ void LLMediaCtrl::draw()
 							floorf(LLFontGL::sCurOrigin.mY * LLUI::sGLScaleFactor.mV[VY]), 
 							LLFontGL::sCurOrigin.mZ);
 			}
+			else
+			{
+				// zoom is an expensive operation - only do it if value changes
+				// TODO: move this logic out to mMediaSource->setPageZoomFactor() ??
+				static double prev_ui_scale = 0.0f;
+				double ui_scale = LLUI::sGLScaleFactor.mV[ VX ];
+				if ( ui_scale != prev_ui_scale )
+				{
+					mMediaSource->setPageZoomFactor( ui_scale );
+					prev_ui_scale = ui_scale;
+				}
+			}
 
 			// scale texture to fit the space using texture coords
 			gGL.getTexUnit(0)->bind(media_texture);
diff --git a/indra/newview/llviewermedia.cpp b/indra/newview/llviewermedia.cpp
index 13dbc5e386..fdb281b7f1 100644
--- a/indra/newview/llviewermedia.cpp
+++ b/indra/newview/llviewermedia.cpp
@@ -2301,6 +2301,16 @@ void LLViewerMediaImpl::clearCache()
 	}
 }
 
+
+//////////////////////////////////////////////////////////////////////////////////////////
+void LLViewerMediaImpl::setPageZoomFactor( double factor )
+{
+	if(mMediaSource)
+	{
+		mMediaSource->set_page_zoom_factor( factor );
+	}
+}
+
 //////////////////////////////////////////////////////////////////////////////////////////
 void LLViewerMediaImpl::mouseDown(S32 x, S32 y, MASK mask, S32 button)
 {
diff --git a/indra/newview/llviewermedia.h b/indra/newview/llviewermedia.h
index 0b69b8f0c1..a475d03542 100644
--- a/indra/newview/llviewermedia.h
+++ b/indra/newview/llviewermedia.h
@@ -250,6 +250,7 @@ public:
 	std::string getMediaEntryURL() { return mMediaEntryURL; }
 	void setHomeURL(const std::string& home_url, const std::string& mime_type = LLStringUtil::null) { mHomeURL = home_url; mHomeMimeType = mime_type;};
 	void clearCache();
+	void setPageZoomFactor( double factor );
 	std::string getMimeType() { return mMimeType; }
 	void scaleMouse(S32 *mouse_x, S32 *mouse_y);
 	void scaleTextureCoords(const LLVector2& texture_coords, S32 *x, S32 *y);