/*
 * Copyright 2008-2011, Haiku, Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *		Fredrik Modéen <fredrik@modeen.se>
 *		Stephan Aßmus <superstippi@gmx.de>
 */
 
 
#include "SettingsWindow.h"
 
#include <stdio.h>
 
#include <Box.h>
#include <Button.h>
#include <Catalog.h>
#include <CheckBox.h>
#include <ControlLook.h>
#include <LayoutBuilder.h>
#include <Locale.h>
#include <OptionPopUp.h>
#include <SpaceLayoutItem.h>
#include <String.h>
#include <StringView.h>
#include <RadioButton.h>
#include <View.h>
 
 
#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "MediaPlayer-SettingsWindow"
 
 
enum {
	M_SETTINGS_CHANGED = 0x3000,
 
	M_SETTINGS_SAVE,
	M_SETTINGS_CANCEL,
	M_SETTINGS_REVERT
};
 
 
SettingsWindow::SettingsWindow(BRect frame)
 	:
 	BWindow(frame, B_TRANSLATE("MediaPlayer settings"), B_FLOATING_WINDOW_LOOK,
 		B_FLOATING_ALL_WINDOW_FEEL,
 		B_ASYNCHRONOUS_CONTROLS | B_NOT_ZOOMABLE | B_NOT_RESIZABLE
 			| B_AUTO_UPDATE_SIZE_LIMITS)
{
	const float kSpacing = be_control_look->DefaultItemSpacing();
 
	BBox* settingsBox = new BBox(B_PLAIN_BORDER, NULL);
	BGroupLayout* settingsLayout = new BGroupLayout(B_VERTICAL, kSpacing / 2);
	settingsBox->SetLayout(settingsLayout);
	BBox* buttonBox = new BBox(B_PLAIN_BORDER, NULL);
	BGroupLayout* buttonLayout = new BGroupLayout(B_HORIZONTAL, kSpacing / 2);
	buttonBox->SetLayout(buttonLayout);
 
	BStringView* playModeLabel = new BStringView("stringViewPlayMode",
		B_TRANSLATE("Play mode"));
	BStringView* viewOptionsLabel = new BStringView("stringViewViewOpions",
		B_TRANSLATE("View options"));
	BStringView* bgMoviesModeLabel = new BStringView("stringViewPlayBackg",
		B_TRANSLATE("Volume of background clips"));
	BAlignment alignment(B_ALIGN_LEFT, B_ALIGN_VERTICAL_CENTER);
	playModeLabel->SetExplicitAlignment(alignment);
	playModeLabel->SetFont(be_bold_font);
	viewOptionsLabel->SetExplicitAlignment(alignment);
	viewOptionsLabel->SetFont(be_bold_font);
	bgMoviesModeLabel->SetExplicitAlignment(alignment);
	bgMoviesModeLabel->SetFont(be_bold_font);
 
	fAutostartCB = new BCheckBox("chkboxAutostart",
		B_TRANSLATE("Automatically start playing"),
		new BMessage(M_SETTINGS_CHANGED));
 
	fCloseWindowMoviesCB = new BCheckBox("chkBoxCloseWindowMovies",
		B_TRANSLATE("Close window after playing video"),
		new BMessage(M_SETTINGS_CHANGED));
	fCloseWindowSoundsCB = new BCheckBox("chkBoxCloseWindowSounds",
		B_TRANSLATE("Close window after playing audio"),
		new BMessage(M_SETTINGS_CHANGED));
 
	fLoopMoviesCB = new BCheckBox("chkBoxLoopMovie",
		B_TRANSLATE("Loop video"),
		new BMessage(M_SETTINGS_CHANGED));
	fLoopSoundsCB = new BCheckBox("chkBoxLoopSounds",
		B_TRANSLATE("Loop audio"),
		new BMessage(M_SETTINGS_CHANGED));
 
	fUseOverlaysCB = new BCheckBox("chkBoxUseOverlays",
		B_TRANSLATE("Use hardware video overlays if available"),
		new BMessage(M_SETTINGS_CHANGED));
	fScaleBilinearCB = new BCheckBox("chkBoxScaleBilinear",
		B_TRANSLATE("Scale movies smoothly (non-overlay mode)"),
		new BMessage(M_SETTINGS_CHANGED));
 
	fScaleFullscreenControlsCB = new BCheckBox("chkBoxScaleControls",
		B_TRANSLATE("Scale controls in full screen mode"),
		new BMessage(M_SETTINGS_CHANGED));
 
	fResumeOP = new BOptionPopUp("resume",
		B_TRANSLATE("Resume:"), new BMessage(M_SETTINGS_CHANGED));
	fResumeOP->AddOption(
		B_TRANSLATE("never"), mpSettings::RESUME_NEVER);
	fResumeOP->AddOption(
		B_TRANSLATE("ask every time"), mpSettings::RESUME_ASK);
	fResumeOP->AddOption(
		B_TRANSLATE("always"), mpSettings::RESUME_ALWAYS);
 
	fSubtitleSizeOP = new BOptionPopUp("subtitleSize",
		B_TRANSLATE("Subtitle size:"), new BMessage(M_SETTINGS_CHANGED));
	fSubtitleSizeOP->AddOption(
		B_TRANSLATE("Small"), mpSettings::SUBTITLE_SIZE_SMALL);
	fSubtitleSizeOP->AddOption(
		B_TRANSLATE("Medium"), mpSettings::SUBTITLE_SIZE_MEDIUM);
	fSubtitleSizeOP->AddOption(
		B_TRANSLATE("Large"), mpSettings::SUBTITLE_SIZE_LARGE);
 
	fSubtitlePlacementOP = new BOptionPopUp("subtitlePlacement",
		B_TRANSLATE("Subtitle placement:"), new BMessage(M_SETTINGS_CHANGED));
	fSubtitlePlacementOP->AddOption(B_TRANSLATE("Bottom of video"),
		mpSettings::SUBTITLE_PLACEMENT_BOTTOM_OF_VIDEO);
	fSubtitlePlacementOP->AddOption(B_TRANSLATE("Bottom of screen"),
		mpSettings::SUBTITLE_PLACEMENT_BOTTOM_OF_SCREEN);
 
	fFullVolumeBGMoviesRB = new BRadioButton("rdbtnfullvolume",
		B_TRANSLATE("Full volume"), new BMessage(M_SETTINGS_CHANGED));
 
	fHalfVolumeBGMoviesRB = new BRadioButton("rdbtnhalfvolume",
		B_TRANSLATE("Low volume"), new BMessage(M_SETTINGS_CHANGED));
 
	fMutedVolumeBGMoviesRB = new BRadioButton("rdbtnfullvolume",
		B_TRANSLATE("Muted"), new BMessage(M_SETTINGS_CHANGED));
 
	fRevertB = new BButton("revert", B_TRANSLATE("Revert"),
		new BMessage(M_SETTINGS_REVERT));
 
	BButton* cancelButton = new BButton("cancel", B_TRANSLATE("Cancel"),
		new BMessage(M_SETTINGS_CANCEL));
 
	BButton* okButton = new BButton("ok", B_TRANSLATE("OK"),
		new BMessage(M_SETTINGS_SAVE));
	okButton->MakeDefault(true);
 
	// Build the layout
	BGroupLayout* volumeGroup;
	BGroupLayout* startGroup;
	BGroupLayout* playGroup;
	BLayoutBuilder::Group<>(this, B_VERTICAL, 0)
		.AddGroup(settingsLayout)
			.SetInsets(B_USE_WINDOW_SPACING, B_USE_WINDOW_SPACING,
				B_USE_WINDOW_SPACING, B_USE_DEFAULT_SPACING)
			.Add(playModeLabel)
			.AddGroup(B_HORIZONTAL, 0)
				.GetLayout(&playGroup)
				.AddStrut(10)
				.AddGroup(B_VERTICAL, 0)
					.GetLayout(&startGroup)
					.Add(fAutostartCB)
					.AddGrid(kSpacing, 0)
						.Add(BSpaceLayoutItem::CreateHorizontalStrut(kSpacing), 0, 0)
						.Add(fCloseWindowMoviesCB, 1, 0)
						.Add(BSpaceLayoutItem::CreateHorizontalStrut(kSpacing), 0, 1)
						.Add(fCloseWindowSoundsCB, 1, 1)
					.End()
					.Add(fLoopMoviesCB)
					.Add(fLoopSoundsCB)
					.Add(fResumeOP)
				.End()
			.End()
			.AddStrut(kSpacing)
 
			.Add(viewOptionsLabel)
			.AddGroup(B_HORIZONTAL, 0)
				.AddStrut(10)
				.AddGroup(B_VERTICAL, 0)
					.Add(fUseOverlaysCB)
					.Add(fScaleBilinearCB)
					.Add(fScaleFullscreenControlsCB)
					.Add(fSubtitleSizeOP)
					.Add(fSubtitlePlacementOP)
				.End()
			.End()
			.AddStrut(kSpacing)
 
			.Add(bgMoviesModeLabel)
			.AddGroup(B_HORIZONTAL, 0)
				.AddStrut(10)
				.AddGroup(B_VERTICAL, 0)
					.GetLayout(&volumeGroup)
					.Add(fFullVolumeBGMoviesRB)
					.Add(fHalfVolumeBGMoviesRB)
					.Add(fMutedVolumeBGMoviesRB)
				.End()
			.End()
			.AddStrut(kSpacing)
		.End()
		.AddGroup(buttonLayout)
			.SetInsets(B_USE_WINDOW_SPACING, B_USE_DEFAULT_SPACING,
				B_USE_WINDOW_SPACING, B_USE_WINDOW_SPACING)
			.Add(fRevertB)
			.AddGlue()
			.Add(cancelButton)
			.Add(okButton);
 
	startGroup->SetExplicitMaxSize(BSize(B_SIZE_UNLIMITED, B_SIZE_UNSET));
	playGroup->SetExplicitMaxSize(BSize(B_SIZE_UNLIMITED, B_SIZE_UNSET));
	volumeGroup->SetExplicitMaxSize(BSize(B_SIZE_UNLIMITED, B_SIZE_UNSET));
}
 
 
SettingsWindow::~SettingsWindow()
{
}
 
 
void
SettingsWindow::Show()
{
	// The Settings that we want to be able to revert to is the state at which
	// the SettingsWindow was shown. So the current settings are stored in
	// fLastSettings.
	Settings::Default()->Get(fLastSettings);
	fSettings = fLastSettings;
	AdoptSettings();
 
	BWindow::Show();
}
 
 
bool
SettingsWindow::QuitRequested()
{
	Hide();
	return false;
}
 
 
void
SettingsWindow::MessageReceived(BMessage* message)
{
	switch (message->what) {
		case M_SETTINGS_CHANGED:
			ApplySettings();
			break;
 
		case B_KEY_DOWN:
			int32 index;
			if (message->FindInt32("key", &index) == B_OK && index == 1)
				PostMessage(B_QUIT_REQUESTED);
			break;
 
		case M_SETTINGS_REVERT:
			Revert();
			break;
 
		case M_SETTINGS_CANCEL:
			Revert();
			// fall through
		case M_SETTINGS_SAVE:
			PostMessage(B_QUIT_REQUESTED);
			break;
 
		default:
			BWindow::MessageReceived(message);
			break;
	}
}
 
 
void
SettingsWindow::AdoptSettings()
{
	fAutostartCB->SetValue(fSettings.autostart);
	fCloseWindowMoviesCB->SetValue(fSettings.closeWhenDonePlayingMovie);
	fCloseWindowSoundsCB->SetValue(fSettings.closeWhenDonePlayingSound);
	fLoopMoviesCB->SetValue(fSettings.loopMovie);
	fLoopSoundsCB->SetValue(fSettings.loopSound);
 
	fUseOverlaysCB->SetValue(fSettings.useOverlays);
	fScaleBilinearCB->SetValue(fSettings.scaleBilinear);
	fScaleFullscreenControlsCB->SetValue(fSettings.scaleFullscreenControls);
 
	fResumeOP->SetValue(fSettings.resume);
	fSubtitleSizeOP->SetValue(fSettings.subtitleSize);
	fSubtitlePlacementOP->SetValue(fSettings.subtitlePlacement);
 
	fFullVolumeBGMoviesRB->SetValue(fSettings.backgroundMovieVolumeMode
		== mpSettings::BG_MOVIES_FULL_VOLUME);
	fHalfVolumeBGMoviesRB->SetValue(fSettings.backgroundMovieVolumeMode
		== mpSettings::BG_MOVIES_HALF_VLUME);
	fMutedVolumeBGMoviesRB->SetValue(fSettings.backgroundMovieVolumeMode
		== mpSettings::BG_MOVIES_MUTED);
 
	fRevertB->SetEnabled(IsRevertable());
}
 
 
void
SettingsWindow::ApplySettings()
{
	fSettings.autostart = fAutostartCB->Value() == B_CONTROL_ON;
	fSettings.closeWhenDonePlayingMovie
		= fCloseWindowMoviesCB->Value() == B_CONTROL_ON;
	fSettings.closeWhenDonePlayingSound
		= fCloseWindowSoundsCB->Value() == B_CONTROL_ON;
	fSettings.loopMovie = fLoopMoviesCB->Value() == B_CONTROL_ON;
	fSettings.loopSound = fLoopSoundsCB->Value() == B_CONTROL_ON;
 
	fSettings.useOverlays = fUseOverlaysCB->Value() == B_CONTROL_ON;
	fSettings.scaleBilinear = fScaleBilinearCB->Value() == B_CONTROL_ON;
	fSettings.scaleFullscreenControls
		= fScaleFullscreenControlsCB->Value() == B_CONTROL_ON;
 
	fSettings.resume = fResumeOP->Value();
	fSettings.subtitleSize = fSubtitleSizeOP->Value();
	fSettings.subtitlePlacement = fSubtitlePlacementOP->Value();
 
	if (fFullVolumeBGMoviesRB->Value() == B_CONTROL_ON) {
		fSettings.backgroundMovieVolumeMode
			= mpSettings::BG_MOVIES_FULL_VOLUME;
	} else if (fHalfVolumeBGMoviesRB->Value() == B_CONTROL_ON) {
		fSettings.backgroundMovieVolumeMode
			= mpSettings::BG_MOVIES_HALF_VLUME;
	} else if (fMutedVolumeBGMoviesRB->Value() == B_CONTROL_ON) {
		fSettings.backgroundMovieVolumeMode
			= mpSettings::BG_MOVIES_MUTED;
	}
 
	Settings::Default()->Update(fSettings);
 
	fRevertB->SetEnabled(IsRevertable());
}
 
 
void
SettingsWindow::Revert()
{
	fSettings = fLastSettings;
	AdoptSettings();
	Settings::Default()->Update(fSettings);
}
 
 
bool
SettingsWindow::IsRevertable() const
{
	return fSettings != fLastSettings;
}