| /* |
| * Copyright (C) 2010 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.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.graphics.Canvas; |
| import android.content.res.Resources; |
| import android.util.AttributeSet; |
| import android.view.KeyEvent; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import org.codeaurora.swe.WebChromeClient; |
| import org.codeaurora.swe.WebView; |
| import org.codeaurora.swe.WebViewClient; |
| |
| import java.util.Map; |
| |
| /** |
| * Manage WebView scroll events |
| */ |
| public class BrowserWebView extends WebView implements WebView.TitleBarDelegate { |
| private static final boolean ENABLE_ROOTVIEW_BACKREMOVAL_OPTIMIZATION = true; |
| |
| public interface OnScrollChangedListener { |
| void onScrollChanged(int l, int t, int oldl, int oldt); |
| } |
| |
| private boolean mBackgroundRemoved = false; |
| private TitleBar mTitleBar; |
| private OnScrollChangedListener mOnScrollChangedListener; |
| private WebChromeClient mWebChromeClient; |
| private WebViewClient mWebViewClient; |
| |
| /** |
| * @param context |
| * @param attrs |
| * @param defStyle |
| * @param javascriptInterfaces |
| */ |
| public BrowserWebView(Context context, AttributeSet attrs, int defStyle, |
| Map<String, Object> javascriptInterfaces, boolean privateBrowsing) { |
| super(context, attrs, defStyle, privateBrowsing); |
| this.setJavascriptInterfaces(javascriptInterfaces); |
| } |
| |
| /** |
| * @param context |
| * @param attrs |
| * @param defStyle |
| */ |
| public BrowserWebView( |
| Context context, AttributeSet attrs, int defStyle, boolean privateBrowsing, boolean backgroundTab) { |
| super(context, attrs, defStyle, privateBrowsing, backgroundTab); |
| } |
| |
| /** |
| * @param context |
| * @param attrs |
| * @param defStyle |
| */ |
| public BrowserWebView( |
| Context context, AttributeSet attrs, int defStyle, boolean privateBrowsing) { |
| super(context, attrs, defStyle, privateBrowsing); |
| } |
| |
| /** |
| * @param context |
| * @param attrs |
| */ |
| public BrowserWebView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| /** |
| * @param context |
| */ |
| public BrowserWebView(Context context) { |
| super(context); |
| } |
| |
| @Override |
| public void setWebChromeClient(WebChromeClient client) { |
| mWebChromeClient = client; |
| super.setWebChromeClient(client); |
| } |
| |
| public WebChromeClient getWebChromeClient() { |
| return mWebChromeClient; |
| } |
| |
| @Override |
| public void setWebViewClient(WebViewClient client) { |
| mWebViewClient = client; |
| super.setWebViewClient(client); |
| } |
| |
| public WebViewClient getWebViewClient() { |
| return mWebViewClient; |
| } |
| |
| public void setTitleBar(TitleBar title) { |
| mTitleBar = title; |
| enableTopControls(true); |
| } |
| |
| public void enableTopControls(boolean shinkViewport) { |
| Resources res = getContext().getResources(); |
| int titlebarHeight = (int) (res.getDimension(R.dimen.toolbar_height) |
| / res.getDisplayMetrics().density); |
| setTopControlsHeight(titlebarHeight, shinkViewport); |
| } |
| |
| // From TitleBarDelegate |
| @Override |
| public int getTitleHeight() { |
| return (mTitleBar != null) ? mTitleBar.getEmbeddedHeight() : 0; |
| } |
| |
| // From TitleBarDelegate |
| @Override |
| public void onSetEmbeddedTitleBar(final View title) { |
| // TODO: Remove this method; it is never invoked. |
| } |
| |
| public boolean hasTitleBar() { |
| return (mTitleBar != null); |
| } |
| |
| @Override |
| public void onDraw(Canvas c) { |
| super.onDraw(c); |
| |
| // if enabled, removes the background from the main view (assumes coverage with opaqueness) |
| if (ENABLE_ROOTVIEW_BACKREMOVAL_OPTIMIZATION) { |
| if (!mBackgroundRemoved && getRootView().getBackground() != null) { |
| mBackgroundRemoved = true; |
| post(new Runnable() { |
| public void run() { |
| getRootView().setBackgroundDrawable(null); |
| } |
| }); |
| } |
| } |
| } |
| |
| public void drawContent(Canvas c) { |
| //super.drawContent(c); |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent event) { |
| // block touch event if title bar is selected |
| if (mTitleBar.isEditingUrl()) { |
| requestFocus(); |
| return true; |
| } |
| else |
| return super.onTouchEvent(event); |
| } |
| |
| @Override |
| public void onScrollChanged(int l, int t, int oldl, int oldt) { |
| // NOTE: this function seems to not be called when the WebView is scrolled (it may be fine) |
| super.onScrollChanged(l, t, oldl, oldt); |
| if (mTitleBar != null) { |
| mTitleBar.onScrollChanged(); |
| } |
| if (mOnScrollChangedListener != null) { |
| mOnScrollChangedListener.onScrollChanged(l, t, oldl, oldt); |
| } |
| } |
| |
| public void setOnScrollChangedListener(OnScrollChangedListener listener) { |
| mOnScrollChangedListener = listener; |
| } |
| |
| @Override |
| public boolean showContextMenuForChild(View originalView) { |
| return false; |
| } |
| |
| @Override |
| public void destroy() { |
| BrowserSettings.getInstance().stopManagingSettings(getSettings()); |
| super.destroy(); |
| } |
| |
| @Override |
| public Bitmap getFavicon() { |
| Tab currentTab = mTitleBar.getUiController().getCurrentTab(); |
| if (currentTab != null){ |
| return currentTab.getFavicon(); |
| } |
| else return BitmapFactory.decodeResource( |
| this.getResources(), R.drawable.ic_deco_favicon_normal); |
| } |
| |
| @Override |
| public boolean dispatchKeyEventPreIme(KeyEvent event) { |
| Tab currentTab = mTitleBar.getUiController().getCurrentTab(); |
| if (currentTab != null && currentTab.isKeyboardShowing()){ |
| // Try to detect the "back" key that dismisses the keyboard |
| if(event.getAction() == KeyEvent.ACTION_DOWN && |
| event.getKeyCode() == KeyEvent.KEYCODE_BACK) |
| mWebViewClient.onKeyboardStateChange(false); |
| } |
| return super.dispatchKeyEventPreIme(event); |
| } |
| |
| } |