/*
* Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
*
* This file is part of Loop Habit Tracker.
*
* Loop Habit Tracker is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* Loop Habit Tracker is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.isoron.uhabits.activities;
import android.content.*;
import android.graphics.*;
import android.graphics.drawable.*;
import android.net.*;
import android.os.*;
import android.support.annotation.*;
import android.support.design.widget.*;
import android.support.v4.content.res.*;
import android.support.v7.app.*;
import android.support.v7.view.ActionMode;
import android.support.v7.widget.Toolbar;
import android.view.*;
import android.widget.*;
import org.isoron.uhabits.*;
import org.isoron.uhabits.utils.*;
import java.io.*;
import static android.os.Build.VERSION.*;
import static android.os.Build.VERSION_CODES.*;
import static android.support.v4.content.FileProvider.*;
/**
* Base class for all screens in the application.
* <p>
* Screens are responsible for deciding what root views and what menus should be
* attached to the main window. They are also responsible for showing other
* screens and for receiving their results.
*/
public class BaseScreen
{
public static final int REQUEST_CREATE_DOCUMENT = 1;
protected BaseActivity activity;
@Nullable
private BaseRootView rootView;
@Nullable
private BaseSelectionMenu selectionMenu;
private Snackbar snackbar;
public BaseScreen(@NonNull BaseActivity activity)
{
this.activity = activity;
}
@Deprecated
public static void setupActionBarColor(@NonNull AppCompatActivity activity,
int color)
{
Toolbar toolbar = (Toolbar) activity.findViewById(R.id.toolbar);
if (toolbar == null) return;
activity.setSupportActionBar(toolbar);
ActionBar actionBar = activity.getSupportActionBar();
if (actionBar == null) return;
actionBar.setDisplayHomeAsUpEnabled(true);
ColorDrawable drawable = new ColorDrawable(color);
actionBar.setBackgroundDrawable(drawable);
if (SDK_INT >= LOLLIPOP)
{
int darkerColor = ColorUtils.mixColors(color, Color.BLACK, 0.75f);
activity.getWindow().setStatusBarColor(darkerColor);
toolbar.setElevation(InterfaceUtils.dpToPixels(activity, 2));
View view = activity.findViewById(R.id.toolbarShadow);
if (view != null) view.setVisibility(View.GONE);
view = activity.findViewById(R.id.headerShadow);
if (view != null) view.setVisibility(View.GONE);
}
}
@Deprecated
public static int getDefaultActionBarColor(Context context)
{
if (SDK_INT < LOLLIPOP)
{
return ResourcesCompat.getColor(context.getResources(),
R.color.grey_900, context.getTheme());
}
else
{
StyledResources res = new StyledResources(context);
return res.getColor(R.attr.colorPrimary);
}
}
/**
* Notifies the screen that its contents should be updated.
*/
public void invalidate()
{
if (rootView == null) return;
rootView.invalidate();
}
public void invalidateToolbar()
{
if (rootView == null) return;
activity.runOnUiThread(() -> {
Toolbar toolbar = rootView.getToolbar();
activity.setSupportActionBar(toolbar);
ActionBar actionBar = activity.getSupportActionBar();
if (actionBar == null) return;
actionBar.setDisplayHomeAsUpEnabled(rootView.getDisplayHomeAsUp());
int color = rootView.getToolbarColor();
setActionBarColor(actionBar, color);
setStatusBarColor(color);
});
}
/**
* Called when another Activity has finished, and has returned some result.
*
* @param requestCode the request code originally supplied to {@link
* android.app.Activity#startActivityForResult(Intent,
* int, Bundle)}.
* @param resultCode the result code sent by the other activity.
* @param data an Intent containing extra data sent by the other
* activity.
* @see {@link android.app.Activity#onActivityResult(int, int, Intent)}
*/
public void onResult(int requestCode, int resultCode, Intent data)
{
}
/**
* Sets the menu to be shown by this screen.
* <p>
* This menu will be visible if when there is no active selection operation.
* If the provided menu is null, then no menu will be shown.
*
* @param menu the menu to be shown.
*/
public void setMenu(@Nullable BaseMenu menu)
{
activity.setBaseMenu(menu);
}
/**
* Sets the root view for this screen.
*
* @param rootView the root view for this screen.
*/
public void setRootView(@Nullable BaseRootView rootView)
{
this.rootView = rootView;
activity.setContentView(rootView);
if (rootView == null) return;
invalidateToolbar();
}
/**
* Sets the menu to be shown when a selection is active on the screen.
*
* @param menu the menu to be shown during a selection
*/
public void setSelectionMenu(@Nullable BaseSelectionMenu menu)
{
this.selectionMenu = menu;
}
/**
* Shows a message on the screen.
*
* @param stringId the string resource id for this message.
*/
public void showMessage(@StringRes Integer stringId)
{
if (stringId == null || rootView == null) return;
if (snackbar == null)
{
snackbar = Snackbar.make(rootView, stringId, Snackbar.LENGTH_SHORT);
int tvId = android.support.design.R.id.snackbar_text;
TextView tv = (TextView) snackbar.getView().findViewById(tvId);
tv.setTextColor(Color.WHITE);
}
else snackbar.setText(stringId);
snackbar.show();
}
public void showSendEmailScreen(@StringRes int toId,
@StringRes int subjectId,
String content)
{
String to = activity.getString(toId);
String subject = activity.getString(subjectId);
Intent intent = new Intent();
intent.setAction(Intent.ACTION_SEND);
intent.setType("message/rfc822");
intent.putExtra(Intent.EXTRA_EMAIL, new String[]{ to });
intent.putExtra(Intent.EXTRA_SUBJECT, subject);
intent.putExtra(Intent.EXTRA_TEXT, content);
activity.startActivity(intent);
}
public void showSendFileScreen(@NonNull String archiveFilename)
{
File file = new File(archiveFilename);
Uri fileUri = getUriForFile(activity, "org.isoron.uhabits", file);
Intent intent = new Intent();
intent.setAction(Intent.ACTION_SEND);
intent.setType("application/zip");
intent.putExtra(Intent.EXTRA_STREAM, fileUri);
intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
activity.startActivity(intent);
}
/**
* Instructs the screen to start a selection.
* <p>
* If a selection menu was provided, this menu will be shown instead of the
* regular one.
*/
public void startSelection()
{
activity.startSupportActionMode(new ActionModeWrapper());
}
private void setActionBarColor(@NonNull ActionBar actionBar, int color)
{
ColorDrawable drawable = new ColorDrawable(color);
actionBar.setBackgroundDrawable(drawable);
}
private void setStatusBarColor(int baseColor)
{
if (SDK_INT < LOLLIPOP) return;
int darkerColor = ColorUtils.mixColors(baseColor, Color.BLACK, 0.75f);
activity.getWindow().setStatusBarColor(darkerColor);
}
private class ActionModeWrapper implements ActionMode.Callback
{
@Override
public boolean onActionItemClicked(@Nullable ActionMode mode,
@Nullable MenuItem item)
{
if (item == null || selectionMenu == null) return false;
return selectionMenu.onItemClicked(item);
}
@Override
public boolean onCreateActionMode(@Nullable ActionMode mode,
@Nullable Menu menu)
{
if (selectionMenu == null) return false;
if (mode == null || menu == null) return false;
selectionMenu.onCreate(activity.getMenuInflater(), mode, menu);
return true;
}
@Override
public void onDestroyActionMode(@Nullable ActionMode mode)
{
if (selectionMenu == null) return;
selectionMenu.onFinish();
}
@Override
public boolean onPrepareActionMode(@Nullable ActionMode mode,
@Nullable Menu menu)
{
if (selectionMenu == null || menu == null) return false;
return selectionMenu.onPrepare(menu);
}
}
}