/WebVox/src/com/marvin/webvox/TitleBar.java
http://eyes-free.googlecode.com/ · Java · 274 lines · 203 code · 21 blank · 50 comment · 37 complexity · 8174a3335618e22b8a5ab814c8c9d874 MD5 · raw file
- /*
- * Copyright (C) 2009 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.marvin.webvox;
- import com.marvin.webvox.R;
- import android.content.Context;
- import android.content.res.Resources;
- import android.graphics.Bitmap;
- import android.graphics.Color;
- import android.graphics.Rect;
- import android.graphics.drawable.Animatable;
- import android.graphics.drawable.BitmapDrawable;
- import android.graphics.drawable.Drawable;
- import android.graphics.drawable.LayerDrawable;
- import android.graphics.drawable.PaintDrawable;
- import android.os.Handler;
- import android.os.Message;
- import android.util.TypedValue;
- import android.view.ContextMenu;
- import android.view.LayoutInflater;
- import android.view.MenuInflater;
- import android.view.MotionEvent;
- import android.view.View;
- import android.view.ViewConfiguration;
- import android.widget.ImageView;
- import android.widget.LinearLayout;
- import android.widget.ProgressBar;
- import android.widget.TextView;
- /**
- * This class represents a title bar for a particular "tab" or "window" in the
- * browser.
- */
- public class TitleBar extends LinearLayout {
- private TextView mTitle;
- private Drawable mCloseDrawable;
- private ImageView mRtButton;
- private Drawable mCircularProgress;
- private ProgressBar mHorizontalProgress;
- private ImageView mFavicon;
- private ImageView mLockIcon;
- private Drawable mStopDrawable;
- private Drawable mBookmarkDrawable;
- private boolean mInLoad;
- private BrowserActivity mBrowserActivity;
- private Drawable mGenericFavicon;
- private int mIconDimension;
- private View mTitleBg;
- private MyHandler mHandler;
- private static int LONG_PRESS = 1;
- public TitleBar(BrowserActivity context) {
- super(context, null);
- mHandler = new MyHandler();
- LayoutInflater factory = LayoutInflater.from(context);
- factory.inflate(R.layout.title_bar, this);
- mBrowserActivity = context;
- mTitle = (TextView) findViewById(R.id.title);
- mTitle.setCompoundDrawablePadding(5);
- mTitleBg = findViewById(R.id.title_bg);
- mLockIcon = (ImageView) findViewById(R.id.lock);
- mFavicon = (ImageView) findViewById(R.id.favicon);
- mRtButton = (ImageView) findViewById(R.id.rt_btn);
- Resources resources = context.getResources();
-
- mCircularProgress = (Drawable) resources.getDrawable(
- android.R.drawable.progress_indeterminate_horizontal);
-
-
- mIconDimension = (int) TypedValue.applyDimension(
- TypedValue.COMPLEX_UNIT_DIP, 20f,
- resources.getDisplayMetrics());
- mCircularProgress.setBounds(0, 0, mIconDimension, mIconDimension);
- mHorizontalProgress = (ProgressBar) findViewById(
- R.id.progress_horizontal);
- mGenericFavicon = context.getResources().getDrawable(
- R.drawable.app_web_browser_sm);
- }
- private class MyHandler extends Handler {
- public void handleMessage(Message msg) {
- if (msg.what == LONG_PRESS) {
- // Prevent the normal action from happening by setting the title
- // bar's state to false.
- mTitleBg.setPressed(false);
- // Need to call a special method on BrowserActivity for when the
- // fake title bar is up, because its ViewGroup does not show a
- // context menu.
- mBrowserActivity.showTitleBarContextMenu();
- }
- }
- };
- @Override
- protected void onCreateContextMenu(ContextMenu menu) {
- MenuInflater inflater = mBrowserActivity.getMenuInflater();
- inflater.inflate(R.menu.title_context, menu);
- }
- @Override
- public boolean onTouchEvent(MotionEvent event) {
- switch (event.getAction()) {
- case MotionEvent.ACTION_DOWN:
- // Make all touches hit either the textfield or the button,
- // depending on which side of the right edge of the textfield
- // they hit.
- if ((int) event.getX() > mTitleBg.getRight()) {
- mRtButton.setPressed(true);
- } else {
- mTitleBg.setPressed(true);
- mHandler.sendMessageDelayed(mHandler.obtainMessage(
- LONG_PRESS),
- ViewConfiguration.getLongPressTimeout());
- }
- break;
- case MotionEvent.ACTION_MOVE:
- int slop = ViewConfiguration.get(mBrowserActivity)
- .getScaledTouchSlop();
- if ((int) event.getY() > getHeight() + slop) {
- // We only trigger the actions in ACTION_UP if one or the
- // other is pressed. Since the user moved off the title
- // bar, mark both as not pressed.
- mTitleBg.setPressed(false);
- mRtButton.setPressed(false);
- mHandler.removeMessages(LONG_PRESS);
- break;
- }
- int x = (int) event.getX();
- int titleRight = mTitleBg.getRight();
- if (mTitleBg.isPressed() && x > titleRight + slop) {
- mTitleBg.setPressed(false);
- mHandler.removeMessages(LONG_PRESS);
- } else if (mRtButton.isPressed() && x < titleRight - slop) {
- mRtButton.setPressed(false);
- }
- break;
- case MotionEvent.ACTION_CANCEL:
- mRtButton.setPressed(false);
- mTitleBg.setPressed(false);
- mHandler.removeMessages(LONG_PRESS);
- break;
- case MotionEvent.ACTION_UP:
- if (mRtButton.isPressed()) {
- if (mInLoad) {
- mBrowserActivity.stopLoading();
- } else {
- mBrowserActivity.bookmarksOrHistoryPicker(false);
- }
- mRtButton.setPressed(false);
- } else if (mTitleBg.isPressed()) {
- mHandler.removeMessages(LONG_PRESS);
- mBrowserActivity.onSearchRequested();
- mTitleBg.setPressed(false);
- }
- break;
- default:
- break;
- }
- return true;
- }
- /**
- * Return whether the associated WebView is currently loading. Needed to
- * determine whether a click should stop the load or close the tab.
- */
- /* package */ boolean isInLoad() {
- return mInLoad;
- }
- /**
- * Set a new Bitmap for the Favicon.
- */
- /* package */ void setFavicon(Bitmap icon) {
- Drawable[] array = new Drawable[3];
- array[0] = new PaintDrawable(Color.BLACK);
- PaintDrawable p = new PaintDrawable(Color.WHITE);
- array[1] = p;
- if (icon == null) {
- array[2] = mGenericFavicon;
- } else {
- array[2] = new BitmapDrawable(icon);
- }
- LayerDrawable d = new LayerDrawable(array);
- d.setLayerInset(1, 1, 1, 1, 1);
- d.setLayerInset(2, 2, 2, 2, 2);
- mFavicon.setImageDrawable(d);
- }
- /**
- * Set the Drawable for the lock icon, or null to hide it.
- */
- /* package */ void setLock(Drawable d) {
- if (null == d) {
- mLockIcon.setVisibility(View.GONE);
- } else {
- mLockIcon.setImageDrawable(d);
- mLockIcon.setVisibility(View.VISIBLE);
- }
- }
- /**
- * Update the progress, from 0 to 100.
- */
- /* package */ void setProgress(int newProgress) {
- if (newProgress >= mHorizontalProgress.getMax()) {
- mTitle.setCompoundDrawables(null, null, null, null);
- ((Animatable) mCircularProgress).stop();
- mHorizontalProgress.setVisibility(View.INVISIBLE);
- if (mBookmarkDrawable != null) {
- mRtButton.setImageDrawable(mBookmarkDrawable);
- }
- mInLoad = false;
- } else {
- mHorizontalProgress.setProgress(newProgress);
- if (!mInLoad && getWindowToken() != null) {
- // checking the window token lets us be sure that we
- // are attached to a window before starting the animation,
- // preventing a potential race condition
- // (fix for bug http://b/2115736)
- mTitle.setCompoundDrawables(null, null, mCircularProgress,
- null);
- ((Animatable) mCircularProgress).start();
- mHorizontalProgress.setVisibility(View.VISIBLE);
- if (mBookmarkDrawable == null) {
- mBookmarkDrawable = mRtButton.getDrawable();
- }
- if (mStopDrawable == null) {
- mRtButton.setImageResource(R.drawable.ic_btn_stop_v2);
- mStopDrawable = mRtButton.getDrawable();
- } else {
- mRtButton.setImageDrawable(mStopDrawable);
- }
- mInLoad = true;
- }
- }
- }
- /**
- * Update the title and url.
- */
- /* package */ void setTitleAndUrl(CharSequence title, CharSequence url) {
- if (url == null) {
- mTitle.setText(R.string.title_bar_loading);
- } else {
- mTitle.setText(url.toString());
- }
- }
- /* package */ void setToTabPicker() {
- mTitle.setText(R.string.tab_picker_title);
- setFavicon(null);
- setLock(null);
- mHorizontalProgress.setVisibility(View.GONE);
- }
- }