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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.android.browser;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
public class NavTabView extends LinearLayout {
private Tab mTab;
private BrowserWebView mWebView;
private WebProxyView mProxy;
private ImageButton mForward;
private ImageButton mRefresh;
private ImageView mFavicon;
private ImageButton mClose;
private FrameLayout mContainer;
private TextView mTitle;
private View mTitleBar;
private OnClickListener mClickListener;
private boolean mHighlighted;
private Drawable mTitleBg;
private Drawable mUrlBg;
private float mMediumTextSize;
private float mSmallTextSize;
private boolean mPaused;
public NavTabView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init();
}
public NavTabView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
public NavTabView(Context context) {
super(context);
init();
}
private void init() {
final Resources res = mContext.getResources();
mMediumTextSize = res.getDimension(R.dimen.nav_tab_text_normal);
mSmallTextSize = res.getDimension(R.dimen.nav_tab_text_small);
LayoutInflater.from(mContext).inflate(R.layout.nav_tab_view,
this);
mContainer = (FrameLayout) findViewById(R.id.tab_view);
mForward = (ImageButton) findViewById(R.id.forward);
mClose = (ImageButton) findViewById(R.id.closetab);
mRefresh = (ImageButton) findViewById(R.id.refresh);
mTitle = (TextView) findViewById(R.id.title);
mFavicon = (ImageView) findViewById(R.id.favicon);
mTitleBar = findViewById(R.id.titlebar);
mTitleBg = res.getDrawable(R.drawable.bg_urlbar);
mUrlBg = res.getDrawable(
com.android.internal.R.drawable.edit_text_holo_dark);
setState(false);
}
protected void pause() {
mPaused = true;
mWebView.onPause();
}
protected void resume() {
mPaused = false;
mWebView.onResume();
}
protected boolean isPaused() {
return mPaused;
}
protected boolean isRefresh(View v) {
return v == mRefresh;
}
protected boolean isClose(View v) {
return v == mClose;
}
protected boolean isTitle(View v) {
return v == mTitleBar;
}
protected boolean isForward(View v) {
return v == mForward;
}
protected boolean isWebView(View v) {
return v == mProxy;
}
protected void setHighlighted(boolean highlighted) {
if (highlighted == mHighlighted) return;
mHighlighted = highlighted;
setState(highlighted);
}
private void setState(boolean highlighted) {
if (highlighted) {
setAlpha(1.0f);
mRefresh.setVisibility(View.VISIBLE);
mFavicon.setVisibility(View.VISIBLE);
mForward.setVisibility(mWebView.canGoForward()
? View.VISIBLE : View.GONE);
mTitleBar.setBackgroundDrawable(mTitleBg);
mClose.setVisibility(View.VISIBLE);
mTitle.setTextSize(TypedValue.COMPLEX_UNIT_PX, mMediumTextSize);
mTitle.setBackgroundDrawable(mUrlBg);
} else {
setAlpha(0.8f);
mForward.setVisibility(View.GONE);
mRefresh.setVisibility(View.INVISIBLE);
mFavicon.setVisibility(View.INVISIBLE);
mClose.setVisibility(View.GONE);
mTitleBar.setBackgroundDrawable(null);
mTitle.setTextSize(TypedValue.COMPLEX_UNIT_PX, mSmallTextSize);
mTitle.setBackgroundDrawable(null);
}
setTitle();
}
private void setTitle() {
if (mTab == null) return;
if (mHighlighted) {
mTitle.setText(mTab.getUrl());
} else {
String txt = mTab.getTitle();
if (txt == null) txt = mTab.getUrl();
mTitle.setText(txt);
}
}
protected boolean isHighlighted() {
return mHighlighted;
}
protected void setWebView(PhoneUi ui, Tab tab) {
mTab = tab;
BrowserWebView web = (BrowserWebView) tab.getWebView();
if (web == null) return;
mWebView = web;
removeFromParent(mWebView);
mProxy = new WebProxyView(mContext, mWebView);
mContainer.addView(mProxy, 0);
if (mWebView != null) {
mForward.setVisibility(mWebView.canGoForward()
? View.VISIBLE : View.GONE);
}
mFavicon.setImageDrawable(ui.getFaviconDrawable(tab.getFavicon()));
setTitle();
}
protected void hideTitle() {
mTitleBar.setVisibility(View.INVISIBLE);
}
@Override
public void setOnClickListener(OnClickListener listener) {
mClickListener = listener;
mTitleBar.setOnClickListener(mClickListener);
mRefresh.setOnClickListener(mClickListener);
mForward.setOnClickListener(mClickListener);
mClose.setOnClickListener(mClickListener);
if (mProxy != null) {
mProxy.setOnClickListener(mClickListener);
}
}
@Override
public void onDetachedFromWindow() {
mWebView.setProxyView(null);
}
private static void removeFromParent(View v) {
if (v.getParent() != null) {
((ViewGroup) v.getParent()).removeView(v);
}
}
static class WebProxyView extends View {
private BrowserWebView mWeb;
public WebProxyView(Context context, BrowserWebView web) {
super(context);
setWillNotDraw(false);
mWeb = web;
mWeb.setProxyView(this);
}
public void onDraw(Canvas c) {
c.translate(-mWeb.getScrollX(), -mWeb.getScrollY());
mWeb.onDraw(c);
}
}
}
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