EXT-7794 FIXED Implemented a common-used notification about wearing outfit to display loading indicator.

Details:
* Added signal "Wearable Loading Started" in AgentWearables (in parallel with "Wearables Loaded")
* Now it is raised from the LLAppearanceMgr::wearInventoryCategory.

Reviewed by Vadim Savchuk and Neal Orman at https://codereview.productengine.com/secondlife/r/583/

--HG--
branch : product-engine

5 files changed, 27 insertions, 1 deletions

diff --git a/indra/newview/llagentwearables.cpp b/indra/newview/llagentwearables.cpp
index 342f9a5d80..557b3b0a77 100644
--- a/indra/newview/llagentwearables.cpp
+++ b/indra/newview/llagentwearables.cpp
@@ -2099,7 +2099,19 @@ void LLAgentWearables::populateMyOutfitsFolder(void)
 	}
 }
 
+boost::signals2::connection LLAgentWearables::addLoadingStartedCallback(loading_started_callback_t cb)
+{
+	return mLoadingStartedSignal.connect(cb);
+}
+
 boost::signals2::connection LLAgentWearables::addLoadedCallback(loaded_callback_t cb)
 {
 	return mLoadedSignal.connect(cb);
 }
+
+void LLAgentWearables::notifyLoadingStarted()
+{
+	mLoadingStartedSignal();
+}
+
+// EOF
diff --git a/indra/newview/llagentwearables.h b/indra/newview/llagentwearables.h
index a41b949be6..3295544e04 100644
--- a/indra/newview/llagentwearables.h
+++ b/indra/newview/llagentwearables.h
@@ -224,11 +224,18 @@ public:
 	// Signals
 	//--------------------------------------------------------------------
 public:
+	typedef boost::function<void()>			loading_started_callback_t;
+	typedef boost::signals2::signal<void()>	loading_started_signal_t;
+	boost::signals2::connection				addLoadingStartedCallback(loading_started_callback_t cb);
+
 	typedef boost::function<void()>			loaded_callback_t;
 	typedef boost::signals2::signal<void()>	loaded_signal_t;
 	boost::signals2::connection				addLoadedCallback(loaded_callback_t cb);
 
+	void									notifyLoadingStarted();
+
 private:
+	loading_started_signal_t				mLoadingStartedSignal; // should be called before wearables are changed
 	loaded_signal_t							mLoadedSignal; // emitted when all agent wearables get loaded
 
 	//--------------------------------------------------------------------
diff --git a/indra/newview/llappearancemgr.cpp b/indra/newview/llappearancemgr.cpp
index bc17605202..a7206095d3 100644
--- a/indra/newview/llappearancemgr.cpp
+++ b/indra/newview/llappearancemgr.cpp
@@ -1407,6 +1407,7 @@ void LLAppearanceMgr::getUserDescendents(const LLUUID& category,
 
 void LLAppearanceMgr::wearInventoryCategory(LLInventoryCategory* category, bool copy, bool append)
 {
+	gAgentWearables.notifyLoadingStarted();
 	if(!category) return;
 
 	llinfos << "wearInventoryCategory( " << category->getName()
diff --git a/indra/newview/llpaneloutfitsinventory.cpp b/indra/newview/llpaneloutfitsinventory.cpp
index 1157c40b39..5563214407 100644
--- a/indra/newview/llpaneloutfitsinventory.cpp
+++ b/indra/newview/llpaneloutfitsinventory.cpp
@@ -245,6 +245,7 @@ LLPanelOutfitsInventory::LLPanelOutfitsInventory() :
 	mSavedFolderState = new LLSaveFolderState();
 	mSavedFolderState->setApply(FALSE);
 	gAgentWearables.addLoadedCallback(boost::bind(&LLPanelOutfitsInventory::onWearablesLoaded, this));
+	gAgentWearables.addLoadingStartedCallback(boost::bind(&LLPanelOutfitsInventory::onWearablesLoading, this));
 
 	LLOutfitObserver& observer = LLOutfitObserver::instance();
 	observer.addBOFChangedCallback(boost::bind(&LLPanelOutfitsInventory::updateVerbs, this));
@@ -382,7 +383,6 @@ void LLPanelOutfitsInventory::onWearButtonClick()
 	if (!isCOFPanelActive())
 	{
 		mMyOutfitsPanel->performAction("replaceoutfit");
-		setWearablesLoading(true);
 	}
 	else
 	{
@@ -854,6 +854,11 @@ void LLPanelOutfitsInventory::onWearablesLoaded()
 	setWearablesLoading(false);
 }
 
+void LLPanelOutfitsInventory::onWearablesLoading()
+{
+	setWearablesLoading(true);
+}
+
 // static
 LLSidepanelAppearance* LLPanelOutfitsInventory::getAppearanceSP()
 {
diff --git a/indra/newview/llpaneloutfitsinventory.h b/indra/newview/llpaneloutfitsinventory.h
index d58ae554b0..863dc9dd7c 100644
--- a/indra/newview/llpaneloutfitsinventory.h
+++ b/indra/newview/llpaneloutfitsinventory.h
@@ -127,6 +127,7 @@ protected:
 	bool hasItemsSelected();
 	void setWearablesLoading(bool val);
 	void onWearablesLoaded();
+	void onWearablesLoading();
 private:
 	LLPanel*					mListCommands;
 	LLOutfitListGearMenu*		mGearMenu;