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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.tabs;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.StateListDrawable;
import android.graphics.Rect;
import android.support.v4.content.ContextCompat;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.TouchDelegate;
import android.view.View;
import android.view.ViewTreeObserver;
import org.mozilla.gecko.BrowserApp.TabStripInterface;
import org.mozilla.gecko.R;
import org.mozilla.gecko.Tab;
import org.mozilla.gecko.Tabs;
import org.mozilla.gecko.widget.themed.ThemedImageButton;
import org.mozilla.gecko.widget.themed.ThemedLinearLayout;
public class TabStrip extends ThemedLinearLayout
implements TabStripInterface {
private static final String LOGTAG = "GeckoTabStrip";
private final TabStripView tabStripView;
private final ThemedImageButton addTabButton;
private final TabsListener tabsListener;
private OnTabAddedOrRemovedListener tabChangedListener;
public TabStrip(Context context) {
this(context, null);
}
public TabStrip(Context context, AttributeSet attrs) {
super(context, attrs);
setOrientation(HORIZONTAL);
LayoutInflater.from(context).inflate(R.layout.tab_strip_inner, this);
tabStripView = (TabStripView) findViewById(R.id.tab_strip);
addTabButton = (ThemedImageButton) findViewById(R.id.add_tab);
addTabButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final Tabs tabs = Tabs.getInstance();
if (isPrivateMode()) {
tabs.addPrivateTab();
} else {
tabs.addTab();
}
}
});
getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
@Override
public boolean onPreDraw() {
getViewTreeObserver().removeOnPreDrawListener(this);
final Rect r = new Rect();
r.left = addTabButton.getRight();
r.right = getWidth();
r.top = 0;
r.bottom = getHeight();
// Redirect touch events between the 'new tab' button and the edge
// of the screen to the 'new tab' button.
setTouchDelegate(new TouchDelegate(r, addTabButton));
return true;
}
});
tabsListener = new TabsListener();
}
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
Tabs.registerOnTabsChangedListener(tabsListener);
tabStripView.refreshTabs();
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
Tabs.unregisterOnTabsChangedListener(tabsListener);
tabStripView.clearTabs();
}
@Override
public void setPrivateMode(boolean isPrivate) {
super.setPrivateMode(isPrivate);
addTabButton.setPrivateMode(isPrivate);
}
public void setOnTabChangedListener(OnTabAddedOrRemovedListener listener) {
tabChangedListener = listener;
}
private class TabsListener implements Tabs.OnTabsChangedListener {
@Override
public void onTabChanged(Tab tab, Tabs.TabEvents msg, String data) {
switch (msg) {
case RESTORED:
tabStripView.restoreTabs();
break;
case ADDED:
tabStripView.addTab(tab);
if (tabChangedListener != null) {
tabChangedListener.onTabChanged();
}
break;
case CLOSED:
tabStripView.removeTab(tab);
if (tabChangedListener != null) {
tabChangedListener.onTabChanged();
}
break;
case SELECTED:
// Update the selected position, then fall through...
tabStripView.selectTab(tab);
setPrivateMode(tab.isPrivate());
case UNSELECTED:
// We just need to update the style for the unselected tab...
case TITLE:
case FAVICON:
case RECORDING_CHANGE:
case AUDIO_PLAYING_CHANGE:
tabStripView.updateTab(tab);
break;
}
}
}
@Override
public void refresh() {
tabStripView.refresh();
}
@Override
public void onLightweightThemeChanged() {
final Drawable drawable = getTheme().getDrawable(this);
if (drawable == null) {
return;
}
final StateListDrawable stateList = new StateListDrawable();
stateList.addState(PRIVATE_STATE_SET, getColorDrawable(R.color.text_and_tabs_tray_grey));
stateList.addState(EMPTY_STATE_SET, drawable);
setBackgroundDrawable(stateList);
}
@Override
public void onLightweightThemeReset() {
final int defaultBackgroundColor = ContextCompat.getColor(getContext(), R.color.text_and_tabs_tray_grey);
setBackgroundColor(defaultBackgroundColor);
}
}
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