// ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
//
//	Copyright (c) 2003, OpenBeOS
//
//  This software is part of the OpenBeOS distribution and is covered 
//  by the OpenBeOS license.
//
//
//  File:        MediaViews.cpp
//  Author:      Sikosis, Jérôme Duval
//  Description: Media Preferences
//  Created :    June 25, 2003
// 
// ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~


// Includes -------------------------------------------------------------------------------------------------- //
#include <stdio.h>

#include <Box.h>
#include <Button.h>
#include <Catalog.h>
#include <Deskbar.h>
#include <Entry.h>
#include <GroupView.h>
#include <Locale.h>
#include <MediaAddOn.h>
#include <MediaRoster.h>
#include <MenuField.h>
#include <PopUpMenu.h>
#include <SpaceLayoutItem.h>
#include <String.h>
#include <TextView.h>

#include "MediaViews.h"

#define TR_CONTEXT "Media views"

BarView::BarView() 
 : BView ("barView", B_WILL_DRAW ),
 	fDisplay(true)
{
}

void 
BarView::Draw(BRect updateRect)
{
	BRect r = Bounds();
	
	if (fDisplay) {
		// Display the 3D Look Divider Bar
		SetHighColor(140,140,140,0);
		StrokeLine(BPoint(r.left,r.top),BPoint(r.right,r.top));
		SetHighColor(255,255,255,0);
		StrokeLine(BPoint(r.left,r.bottom),BPoint(r.right,r.bottom));
	} else {
		SetHighColor(ui_color(B_PANEL_BACKGROUND_COLOR));
		StrokeLine(BPoint(r.left,r.top),BPoint(r.right,r.top));
		StrokeLine(BPoint(r.left,r.bottom),BPoint(r.right,r.bottom));
	}
}


SettingsView::SettingsView (bool isVideo)
 : BView ("SettingsView", B_WILL_DRAW | B_SUPPORTS_LAYOUT),
	fIsVideo(isVideo)
{
	SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));

	BBox *defaultsBox = new BBox("defaults");
	defaultsBox->SetLabel(fIsVideo ? TR("Default Nodes") : TR("Defaults"));
	
	// create the default box
	BGroupLayout* defaultBoxLayout = new BGroupLayout(B_VERTICAL, 5);
	defaultBoxLayout->SetInsets(10,10,10,10);
	defaultsBox->SetLayout(defaultBoxLayout);
	defaultBoxLayout->AddItem(BSpaceLayoutItem::CreateVerticalStrut(5));

	BGroupView* inputField = new BGroupView(B_HORIZONTAL);
	BGroupView* outputField = new BGroupView(B_HORIZONTAL);
	defaultsBox->GetLayout()->AddView(inputField);
	defaultsBox->GetLayout()->AddView(outputField);

	float divider = StringWidth(fIsVideo ? TR("Video Output:")
		: TR("Audio Output:")) + 5;
	fMenu1 = new BPopUpMenu("<none>");
	fMenu1->SetLabelFromMarked(true);
	BMenuField *menuField1 = new BMenuField("menuField1",
		fIsVideo ? TR("Video Input:") : TR("Audio Input:"), fMenu1, NULL);
	menuField1->SetDivider(divider);
	
	fMenu2 = new BPopUpMenu("<none>");
	fMenu2->SetLabelFromMarked(true);
	BMenuField *menuField2 = new BMenuField("menuField2",
		fIsVideo ? TR("Video Output:") : TR("Audio Output:"), fMenu2, NULL);
	menuField2->SetDivider(divider);
	
	inputField->GroupLayout()->AddView(menuField1);
	outputField->GroupLayout()->AddView(menuField2);

	BMenuField *menuField3 = NULL;
	if (!fIsVideo) {
		fMenu3 = new BPopUpMenu("<none>");
		fMenu3->SetLabelFromMarked(true);
		menuField3 = new BMenuField("menuField3",
			TR("Channel:"), fMenu3, NULL);
		outputField->GroupLayout()->AddView(menuField3);
		menuField3->SetDivider(StringWidth(TR("Channel:"))+5);
	}
	
	rgb_color red_color = {222, 32, 33};
	fRestartView = new BStringView("restartStringView",
		TR("Restart the Media Server to apply changes."));
	fRestartView->SetHighColor(red_color);
	defaultsBox->AddChild(fRestartView);
	fRestartView->Hide();
	
	// create the realtime box
	BBox *realtimeBox = new BBox("realtime");
	realtimeBox->SetLabel(TR("Real-Time"));
	
	BMessage *message = new BMessage(ML_ENABLE_REAL_TIME);
	message->AddBool("isVideo", fIsVideo);
	fRealtimeCheckBox = new BCheckBox("realtimeCheckBox",
		fIsVideo ? TR("Enable Real-Time Video") : TR("Enable Real-Time Audio"),
		message);
	
	uint32 flags;
	BMediaRoster::Roster()->GetRealtimeFlags(&flags);
	if (flags & (fIsVideo ? B_MEDIA_REALTIME_VIDEO : B_MEDIA_REALTIME_AUDIO))
		fRealtimeCheckBox->SetValue(B_CONTROL_ON);
		
	BTextView *textView = new BTextView("stringView");
	textView->Insert(fIsVideo ? TR("Enabling Real-Time Video allows system to "
		"perform video operations as fast and smoothly as possible.  It "
		"achieves optimum performance by using more RAM."
		"\n\nOnly enable this feature if you need the lowest latency possible.")
		: TR("Enabling Real-time Audio allows system to record and play audio "
		"as fast as possible.  It achieves this performance by using more CPU and RAM."
		"\n\nOnly enable this feature if you need the lowest latency possible."));
	textView->MakeEditable(false);
	textView->MakeSelectable(false);
	textView->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
	
	BGroupLayout* realtimeBoxLayout = new BGroupLayout(B_VERTICAL, 5);
	realtimeBoxLayout->SetInsets(10,10,10,10);
	realtimeBox->SetLayout(realtimeBoxLayout);
	
	realtimeBoxLayout->AddItem(BSpaceLayoutItem::CreateVerticalStrut(5));
	realtimeBoxLayout->AddView(fRealtimeCheckBox);
	realtimeBoxLayout->AddView(textView);

	// create the bottom line: volumen in deskbar checkbox and restart button
	BGroupView* bottomView = new BGroupView(B_HORIZONTAL);
	BButton *restartButton = new BButton("restartButton", 
		TR("Restart Media Services"), new BMessage(ML_RESTART_MEDIA_SERVER));
	
	if (!fIsVideo) {
		fVolumeCheckBox = new BCheckBox("volumeCheckBox", 
			TR("Show Volume Control on Deskbar"), new BMessage(ML_SHOW_VOLUME_CONTROL));
		bottomView->GroupLayout()->AddView(fVolumeCheckBox);
		if (BDeskbar().HasItem("MediaReplicant"))
			fVolumeCheckBox->SetValue(B_CONTROL_ON);	
	}
	else{
		bottomView->GroupLayout()->AddItem(BSpaceLayoutItem::CreateGlue());
	}
	bottomView->GroupLayout()->AddView(restartButton);
	
	// compose all stuff
	BGroupLayout* rootlayout = new BGroupLayout(B_VERTICAL, 5);
	SetLayout(rootlayout);

	rootlayout->AddView(defaultsBox);
	rootlayout->AddView(realtimeBox);
	rootlayout->AddView(bottomView);
}

void
SettingsView::AddNodes(BList &list, bool isInput)
{
	BMenu *menu = isInput ? fMenu1 : fMenu2;
	void *item;
	while ((item = menu->RemoveItem((int32)0)) != NULL)
		delete static_cast<dormant_node_info *>(item);

	BMessage message(ML_DEFAULT_CHANGE);
	message.AddBool("isVideo", fIsVideo);
	message.AddBool("isInput", isInput);

	for (int32 i = 0; i < list.CountItems(); i++) {
		dormant_node_info *info = static_cast<dormant_node_info *>(list.ItemAt(i));
		menu->AddItem(new SettingsItem(info, new BMessage(message)));
	}
}

void
SettingsView::SetDefault(dormant_node_info &info, bool isInput, int32 outputID)
{
	BMenu *menu = isInput ? fMenu1 : fMenu2;
		
	for (int32 i = 0; i < menu->CountItems(); i++) {
		SettingsItem *item = static_cast<SettingsItem *>(menu->ItemAt(i));
		if (item->fInfo && item->fInfo->addon == info.addon && item->fInfo->flavor_id == info.flavor_id) {
			item->SetMarked(true);
			break;
		}
	}
	
	if (!fIsVideo&&!isInput&&outputID>-1) {
		BMenuItem *item;
		while ((item = fMenu3->RemoveItem((int32)0)) != NULL)
			delete item;
		BMediaRoster *roster = BMediaRoster::Roster();
		media_node node;
		media_node_id node_id;
		status_t err;
		if (roster->GetInstancesFor(info.addon, info.flavor_id, &node_id)!=B_OK) 
			err = roster->InstantiateDormantNode(info, &node, B_FLAVOR_IS_GLOBAL);
		else
			err = roster->GetNodeFor(node_id, &node);
		
		if (err == B_OK) {	
			media_input inputs[16];
			int32 inputCount = 16;
			if (roster->GetAllInputsFor(node, inputs, 16, &inputCount)==B_OK) {
				BMessage message(ML_DEFAULTOUTPUT_CHANGE);

				for (int32 i = 0; i < inputCount; i++) {
					media_input *input = new media_input();
					memcpy(input, &inputs[i], sizeof(*input));
					fMenu3->AddItem(item = new Settings2Item(&info, input, new BMessage(message)));
					if (inputs[i].destination.id == outputID)
						item->SetMarked(true);
				}
			}
		}
	}
}

SettingsItem::SettingsItem(dormant_node_info *info, BMessage *message, 
			char shortcut, uint32 modifiers)
	: BMenuItem(info->name, message, shortcut, modifiers),
	fInfo(info)
{
	
}


status_t
SettingsItem::Invoke(BMessage *message)
{
	if (IsMarked())
		return B_OK;
	return BMenuItem::Invoke(message);
}


Settings2Item::Settings2Item(dormant_node_info *info, media_input *input, BMessage *message, 
			char shortcut, uint32 modifiers)
	: BMenuItem(input->name, message, shortcut, modifiers),
	fInfo(info),
	fInput(input)
{
	
}


Settings2Item::~Settings2Item()
{
	delete fInput;
}


status_t
Settings2Item::Invoke(BMessage *message)
{
	if (IsMarked())
		return B_OK;
	return BMenuItem::Invoke(message);
}