gecko-dev/mobile/android/base/AboutHomeContent.java

802 lines
29 KiB
Java

/* -*- 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;
import org.mozilla.gecko.db.BrowserDB;
import org.mozilla.gecko.db.BrowserDB.URLColumns;
import org.mozilla.gecko.db.BrowserContract.Images;
import org.mozilla.gecko.sync.setup.SyncAccounts;
import org.mozilla.gecko.sync.setup.activities.SetupSyncActivity;
import org.mozilla.gecko.util.GeckoAsyncTask;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.OnAccountsUpdateListener;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.Path;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.RectF;
import android.os.SystemClock;
import android.text.SpannableString;
import android.text.TextUtils;
import android.text.style.StyleSpan;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AbsListView;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.ScrollView;
import android.widget.SimpleCursorAdapter;
import android.widget.TextView;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.EnumSet;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
public class AboutHomeContent extends ScrollView
implements TabsAccessor.OnQueryTabsCompleteListener,
LightweightTheme.OnChangeListener {
private static final String LOGTAG = "GeckoAboutHome";
private static final int NUMBER_OF_REMOTE_TABS = 5;
private static int mNumberOfTopSites;
private static int mNumberOfCols;
static enum UpdateFlags {
TOP_SITES,
PREVIOUS_TABS,
RECOMMENDED_ADDONS,
REMOTE_TABS;
public static final EnumSet<UpdateFlags> ALL = EnumSet.allOf(UpdateFlags.class);
}
private Context mContext;
private BrowserApp mActivity;
private Cursor mCursor;
UriLoadCallback mUriLoadCallback = null;
VoidCallback mLoadCompleteCallback = null;
private LayoutInflater mInflater;
private AccountManager mAccountManager;
private OnAccountsUpdateListener mAccountListener = null;
protected SimpleCursorAdapter mTopSitesAdapter;
protected TopSitesGridView mTopSitesGrid;
private AboutHomePromoBox mPromoBox;
private AboutHomePromoBox.Type mPrelimPromoBoxType;
protected AboutHomeSection mAddons;
protected AboutHomeSection mLastTabs;
protected AboutHomeSection mRemoteTabs;
private View.OnClickListener mRemoteTabClickListener;
public interface UriLoadCallback {
public void callback(String uriSpec);
}
public interface VoidCallback {
public void callback();
}
public AboutHomeContent(Context context) {
super(context);
mContext = context;
}
public AboutHomeContent(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
mActivity = (BrowserApp) context;
}
public void init() {
inflate();
mAccountManager = AccountManager.get(mContext);
// The listener will run on the background thread (see 2nd argument)
mAccountManager.addOnAccountsUpdatedListener(mAccountListener = new OnAccountsUpdateListener() {
public void onAccountsUpdated(Account[] accounts) {
updateLayoutForSync();
}
}, GeckoAppShell.getHandler(), false);
mRemoteTabClickListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
Tabs.getInstance().loadUrl((String) v.getTag(), Tabs.LOADURL_NEW_TAB);
}
};
mPrelimPromoBoxType = (new Random()).nextFloat() < 0.5 ? AboutHomePromoBox.Type.SYNC :
AboutHomePromoBox.Type.APPS;
}
private void inflate() {
mInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mInflater.inflate(R.layout.abouthome_content, this);
mTopSitesGrid = (TopSitesGridView)findViewById(R.id.top_sites_grid);
mTopSitesGrid.setOnItemClickListener(new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
Cursor c = (Cursor) parent.getItemAtPosition(position);
String spec = c.getString(c.getColumnIndex(URLColumns.URL));
Log.i(LOGTAG, "clicked: " + spec);
if (mUriLoadCallback != null)
mUriLoadCallback.callback(spec);
}
});
mPromoBox = (AboutHomePromoBox) findViewById(R.id.promo_box);
mAddons = (AboutHomeSection) findViewById(R.id.recommended_addons);
mLastTabs = (AboutHomeSection) findViewById(R.id.last_tabs);
mRemoteTabs = (AboutHomeSection) findViewById(R.id.remote_tabs);
mAddons.setOnMoreTextClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (mUriLoadCallback != null)
mUriLoadCallback.callback("https://addons.mozilla.org/android");
}
});
mRemoteTabs.setOnMoreTextClickListener(new View.OnClickListener() {
public void onClick(View v) {
mActivity.showRemoteTabs();
}
});
setTopSitesConstants();
}
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
mActivity.getLightweightTheme().addListener(this);
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
mActivity.getLightweightTheme().removeListener(this);
}
public void onDestroy() {
if (mAccountListener != null) {
mAccountManager.removeOnAccountsUpdatedListener(mAccountListener);
mAccountListener = null;
}
if (mCursor != null && !mCursor.isClosed())
mCursor.close();
}
void setLastTabsVisibility(boolean visible) {
if (visible)
mLastTabs.show();
else
mLastTabs.hide();
}
private void setTopSitesVisibility(boolean hasTopSites) {
int visibility = hasTopSites ? View.VISIBLE : View.GONE;
findViewById(R.id.top_sites_title).setVisibility(visibility);
findViewById(R.id.top_sites_grid).setVisibility(visibility);
}
private void updateLayout(boolean syncIsSetup) {
boolean hasTopSites = mTopSitesAdapter.getCount() > 0;
setTopSitesVisibility(hasTopSites);
AboutHomePromoBox.Type type = mPrelimPromoBoxType;
if (syncIsSetup && type == AboutHomePromoBox.Type.SYNC)
type = AboutHomePromoBox.Type.APPS;
mPromoBox.show(type);
}
private void updateLayoutForSync() {
final GeckoApp.StartupMode startupMode = mActivity.getStartupMode();
final boolean syncIsSetup = SyncAccounts.syncAccountsExist(mContext);
post(new Runnable() {
public void run() {
// The listener might run before the UI is initially updated.
// In this case, we should simply wait for the initial setup
// to happen.
if (mTopSitesAdapter != null)
updateLayout(syncIsSetup);
}
});
}
private void loadTopSites() {
// The SyncAccounts.syncAccountsExist method should not be called on
// UI thread as it touches disk to access a sqlite DB.
final boolean syncIsSetup = SyncAccounts.syncAccountsExist(mActivity);
final ContentResolver resolver = mActivity.getContentResolver();
final Cursor oldCursor = mCursor;
// Swap in the new cursor.
mCursor = BrowserDB.getTopSites(resolver, mNumberOfTopSites);
post(new Runnable() {
public void run() {
if (mTopSitesAdapter == null) {
mTopSitesAdapter = new TopSitesCursorAdapter(mActivity,
R.layout.abouthome_topsite_item,
mCursor,
new String[] { URLColumns.TITLE },
new int[] { R.id.title });
mTopSitesAdapter.setViewBinder(new TopSitesViewBinder());
mTopSitesGrid.setAdapter(mTopSitesAdapter);
} else {
mTopSitesAdapter.changeCursor(mCursor);
}
if (mTopSitesAdapter.getCount() > 0)
loadTopSitesThumbnails(resolver);
updateLayout(syncIsSetup);
// Free the old Cursor in the right thread now.
if (oldCursor != null && !oldCursor.isClosed())
oldCursor.close();
// Even if AboutHome isn't necessarily entirely loaded if we
// get here, for phones this is the part the user initially sees,
// so it's the one we will care about for now.
if (mLoadCompleteCallback != null)
mLoadCompleteCallback.callback();
}
});
}
private List<String> getTopSitesUrls() {
List<String> urls = new ArrayList<String>();
Cursor c = mTopSitesAdapter.getCursor();
if (c == null || !c.moveToFirst())
return urls;
do {
final String url = c.getString(c.getColumnIndexOrThrow(URLColumns.URL));
urls.add(url);
} while (c.moveToNext());
return urls;
}
private void displayThumbnail(View view, Bitmap thumbnail) {
ImageView thumbnailView = (ImageView) view.findViewById(R.id.thumbnail);
if (thumbnail == null) {
thumbnailView.setImageResource(R.drawable.abouthome_thumbnail_bg);
thumbnailView.setScaleType(ImageView.ScaleType.FIT_CENTER);
} else {
try {
thumbnailView.setImageBitmap(thumbnail);
thumbnailView.setScaleType(ImageView.ScaleType.CENTER_CROP);
} catch (OutOfMemoryError oom) {
Log.e(LOGTAG, "Unable to load thumbnail bitmap", oom);
thumbnailView.setImageResource(R.drawable.abouthome_thumbnail_bg);
thumbnailView.setScaleType(ImageView.ScaleType.FIT_CENTER);
}
}
}
private void updateTopSitesThumbnails(Map<String, Bitmap> thumbnails) {
for (int i = 0; i < mTopSitesGrid.getChildCount(); i++) {
final View view = mTopSitesGrid.getChildAt(i);
Cursor c = (Cursor) mTopSitesGrid.getItemAtPosition(i);
final String url = c.getString(c.getColumnIndex(URLColumns.URL));
displayThumbnail(view, thumbnails.get(url));
}
mTopSitesGrid.invalidate();
}
public Map<String, Bitmap> getTopSitesThumbnails(Cursor c) {
Map<String, Bitmap> thumbnails = new HashMap<String, Bitmap>();
try {
if (c == null || !c.moveToFirst())
return thumbnails;
do {
final String url = c.getString(c.getColumnIndexOrThrow(Images.URL));
final byte[] b = c.getBlob(c.getColumnIndexOrThrow(Images.THUMBNAIL));
if (b == null)
continue;
Bitmap thumbnail = BitmapFactory.decodeByteArray(b, 0, b.length);
if (thumbnail == null)
continue;
thumbnails.put(url, thumbnail);
} while (c.moveToNext());
} finally {
if (c != null)
c.close();
}
return thumbnails;
}
private void loadTopSitesThumbnails(final ContentResolver cr) {
final List<String> urls = getTopSitesUrls();
if (urls.size() == 0)
return;
(new GeckoAsyncTask<Void, Void, Cursor>(GeckoApp.mAppContext, GeckoAppShell.getHandler()) {
@Override
public Cursor doInBackground(Void... params) {
return BrowserDB.getThumbnailsForUrls(cr, urls);
}
@Override
public void onPostExecute(Cursor c) {
updateTopSitesThumbnails(getTopSitesThumbnails(c));
}
}).execute();
}
void update(final EnumSet<UpdateFlags> flags) {
GeckoAppShell.getHandler().post(new Runnable() {
public void run() {
if (flags.contains(UpdateFlags.TOP_SITES))
loadTopSites();
if (flags.contains(UpdateFlags.PREVIOUS_TABS))
readLastTabs();
if (flags.contains(UpdateFlags.RECOMMENDED_ADDONS))
readRecommendedAddons();
if (flags.contains(UpdateFlags.REMOTE_TABS))
loadRemoteTabs();
}
});
}
public void setUriLoadCallback(UriLoadCallback uriLoadCallback) {
mUriLoadCallback = uriLoadCallback;
}
public void setLoadCompleteCallback(VoidCallback callback) {
mLoadCompleteCallback = callback;
}
public void onActivityContentChanged() {
update(EnumSet.of(UpdateFlags.TOP_SITES));
}
private void setTopSitesConstants() {
mNumberOfTopSites = getResources().getInteger(R.integer.number_of_top_sites);
mNumberOfCols = getResources().getInteger(R.integer.number_of_top_sites_cols);
}
/**
* Reinflates and updates all components of this view.
*/
public void refresh() {
if (mTopSitesAdapter != null)
mTopSitesAdapter.notifyDataSetChanged();
removeAllViews(); // We must remove the currently inflated view to allow for reinflation.
inflate();
mTopSitesGrid.setAdapter(mTopSitesAdapter); // mTopSitesGrid is a new instance (from loadTopSites()).
update(AboutHomeContent.UpdateFlags.ALL); // Refresh all elements.
}
private String readFromZipFile(String filename) {
ZipFile zip = null;
String str = null;
try {
InputStream fileStream = null;
File applicationPackage = new File(mActivity.getApplication().getPackageResourcePath());
zip = new ZipFile(applicationPackage);
if (zip == null)
return null;
ZipEntry fileEntry = zip.getEntry(filename);
if (fileEntry == null)
return null;
fileStream = zip.getInputStream(fileEntry);
str = readStringFromStream(fileStream);
} catch (IOException ioe) {
Log.e(LOGTAG, "error reading zip file: " + filename, ioe);
} finally {
try {
if (zip != null)
zip.close();
} catch (IOException ioe) {
// catch this here because we can continue even if the
// close failed
Log.e(LOGTAG, "error closing zip filestream", ioe);
}
}
return str;
}
private String readStringFromStream(InputStream fileStream) {
String str = null;
try {
byte[] buf = new byte[32768];
StringBuffer jsonString = new StringBuffer();
int read = 0;
while ((read = fileStream.read(buf, 0, 32768)) != -1)
jsonString.append(new String(buf, 0, read));
str = jsonString.toString();
} catch (IOException ioe) {
Log.i(LOGTAG, "error reading filestream", ioe);
} finally {
try {
if (fileStream != null)
fileStream.close();
} catch (IOException ioe) {
// catch this here because we can continue even if the
// close failed
Log.e(LOGTAG, "error closing filestream", ioe);
}
}
return str;
}
private String getPageUrlFromIconUrl(String iconUrl) {
// Addon icon URLs come with a query argument that is usually
// used for expiration purposes. We want the "page URL" here to be
// stable enough to avoid unnecessary duplicate records of the
// same addon.
String pageUrl = iconUrl;
try {
URL urlForIcon = new URL(iconUrl);
URL urlForPage = new URL(urlForIcon.getProtocol(), urlForIcon.getAuthority(), urlForIcon.getPath());
pageUrl = urlForPage.toString();
} catch (MalformedURLException e) {
// Defaults to pageUrl = iconUrl in case of error
}
return pageUrl;
}
private void readRecommendedAddons() {
final String addonsFilename = "recommended-addons.json";
String jsonString;
try {
jsonString = mActivity.getProfile().readFile(addonsFilename);
} catch (IOException ioe) {
Log.i(LOGTAG, "filestream is null");
jsonString = readFromZipFile(addonsFilename);
}
JSONArray addonsArray = null;
if (jsonString != null) {
try {
addonsArray = new JSONObject(jsonString).getJSONArray("addons");
} catch (JSONException e) {
Log.i(LOGTAG, "error reading json file", e);
}
}
final JSONArray array = addonsArray;
post(new Runnable() {
public void run() {
try {
if (array == null || array.length() == 0) {
mAddons.hide();
return;
}
for (int i = 0; i < array.length(); i++) {
JSONObject jsonobj = array.getJSONObject(i);
final View row = mInflater.inflate(R.layout.abouthome_addon_row, mAddons.getItemsContainer(), false);
((TextView) row.findViewById(R.id.addon_title)).setText(jsonobj.getString("name"));
((TextView) row.findViewById(R.id.addon_version)).setText(jsonobj.getString("version"));
String iconUrl = jsonobj.getString("iconURL");
String pageUrl = getPageUrlFromIconUrl(iconUrl);
final String homepageUrl = jsonobj.getString("homepageURL");
row.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (mUriLoadCallback != null)
mUriLoadCallback.callback(homepageUrl);
}
});
Favicons favicons = mActivity.getFavicons();
favicons.loadFavicon(pageUrl, iconUrl, true,
new Favicons.OnFaviconLoadedListener() {
public void onFaviconLoaded(String url, Drawable favicon) {
if (favicon != null) {
ImageView icon = (ImageView) row.findViewById(R.id.addon_icon);
icon.setImageDrawable(favicon);
}
}
});
mAddons.addItem(row);
}
mAddons.show();
} catch (JSONException e) {
Log.i(LOGTAG, "error reading json file", e);
}
}
});
}
private void readLastTabs() {
String jsonString = mActivity.getProfile().readSessionFile(true);
if (jsonString == null) {
// no previous session data
return;
}
final ArrayList<String> lastTabUrlsList = new ArrayList<String>();
new SessionParser() {
@Override
public void onTabRead(final SessionTab tab) {
final String url = tab.getSelectedUrl();
// don't show last tabs for about:home
if (url.equals("about:home")) {
return;
}
ContentResolver resolver = mActivity.getContentResolver();
final BitmapDrawable favicon = BrowserDB.getFaviconForUrl(resolver, url);
lastTabUrlsList.add(url);
AboutHomeContent.this.post(new Runnable() {
public void run() {
View container = mInflater.inflate(R.layout.abouthome_last_tabs_row, mLastTabs.getItemsContainer(), false);
((TextView) container.findViewById(R.id.last_tab_title)).setText(tab.getSelectedTitle());
((TextView) container.findViewById(R.id.last_tab_url)).setText(tab.getSelectedUrl());
if (favicon != null) {
((ImageView) container.findViewById(R.id.last_tab_favicon)).setImageDrawable(favicon);
}
container.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
Tabs.getInstance().loadUrlInTab(url);
}
});
mLastTabs.addItem(container);
}
});
}
}.parse(jsonString);
final int numLastTabs = lastTabUrlsList.size();
if (numLastTabs >= 1) {
post(new Runnable() {
public void run() {
if (numLastTabs > 1) {
mLastTabs.showMoreText();
mLastTabs.setOnMoreTextClickListener(new View.OnClickListener() {
public void onClick(View v) {
for (String url : lastTabUrlsList) {
Tabs.getInstance().loadUrlInTab(url);
}
}
});
} else if (numLastTabs == 1) {
mLastTabs.hideMoreText();
}
mLastTabs.show();
}
});
}
}
private void loadRemoteTabs() {
if (!SyncAccounts.syncAccountsExist(mActivity)) {
post(new Runnable() {
public void run() {
mRemoteTabs.hide();
}
});
return;
}
TabsAccessor.getTabs(getContext(), NUMBER_OF_REMOTE_TABS, this);
}
@Override
public void onQueryTabsComplete(List<TabsAccessor.RemoteTab> tabsList) {
ArrayList<TabsAccessor.RemoteTab> tabs = new ArrayList<TabsAccessor.RemoteTab> (tabsList);
if (tabs == null || tabs.size() == 0) {
mRemoteTabs.hide();
return;
}
mRemoteTabs.clear();
String client = null;
for (TabsAccessor.RemoteTab tab : tabs) {
if (client == null)
client = tab.name;
else if (!TextUtils.equals(client, tab.name))
break;
final RelativeLayout row = (RelativeLayout) mInflater.inflate(R.layout.abouthome_remote_tab_row, mRemoteTabs.getItemsContainer(), false);
((TextView) row.findViewById(R.id.remote_tab_title)).setText(TextUtils.isEmpty(tab.title) ? tab.url : tab.title);
row.setTag(tab.url);
mRemoteTabs.addItem(row);
row.setOnClickListener(mRemoteTabClickListener);
}
mRemoteTabs.setSubtitle(client);
mRemoteTabs.show();
}
@Override
public void onLightweightThemeChanged() {
final Drawable drawable = mActivity.getLightweightTheme().getDrawableWithAlpha(this, 255, 0);
if (drawable == null)
return;
setBackgroundDrawable(drawable);
}
@Override
public void onLightweightThemeReset() {
setBackgroundResource(R.drawable.abouthome_bg_repeat);
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
onLightweightThemeChanged();
}
public static class TopSitesGridView extends GridView {
public TopSitesGridView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public int getColumnWidth() {
return getColumnWidth(getWidth());
}
public int getColumnWidth(int width) {
int s = -1;
if (android.os.Build.VERSION.SDK_INT >= 16)
s= super.getColumnWidth();
else
s = (width - getPaddingLeft() - getPaddingRight()) / mNumberOfCols;
return s;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int measuredWidth = View.MeasureSpec.getSize(widthMeasureSpec);
int numRows;
SimpleCursorAdapter adapter = (SimpleCursorAdapter) getAdapter();
int nSites = Integer.MAX_VALUE;
if (adapter != null) {
Cursor c = adapter.getCursor();
if (c != null)
nSites = c.getCount();
}
nSites = Math.min(nSites, mNumberOfTopSites);
numRows = (int) Math.round((double) nSites / mNumberOfCols);
setNumColumns(mNumberOfCols);
// Just using getWidth() will use incorrect values during onMeasure when rotating the device
// Instead we pass in the measuredWidth, which is correct
int w = getColumnWidth(measuredWidth);
Tabs.setThumbnailWidth(w);
heightMeasureSpec = MeasureSpec.makeMeasureSpec((int)(w*Tabs.getThumbnailAspectRatio()*numRows) + getPaddingTop() + getPaddingBottom(),
MeasureSpec.EXACTLY);
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
}
public class TopSitesCursorAdapter extends SimpleCursorAdapter {
public TopSitesCursorAdapter(Context context, int layout, Cursor c,
String[] from, int[] to) {
super(context, layout, c, from, to);
}
@Override
public int getCount() {
return Math.min(super.getCount(), mNumberOfTopSites);
}
@Override
protected void onContentChanged () {
// Don't do anything. We don't want to regenerate every time
// our history database is updated.
return;
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
super.bindView(view, context, cursor);
view.setLayoutParams(new AbsListView.LayoutParams(mTopSitesGrid.getColumnWidth(),
Math.round(mTopSitesGrid.getColumnWidth()*Tabs.getThumbnailAspectRatio())));
}
}
class TopSitesViewBinder implements SimpleCursorAdapter.ViewBinder {
private boolean updateTitle(View view, Cursor cursor, int titleIndex) {
String title = cursor.getString(titleIndex);
TextView titleView = (TextView) view;
// Use the URL instead of an empty title for consistency with the normal URL
// bar view - this is the equivalent of getDisplayTitle() in Tab.java
if (title == null || title.length() == 0) {
int urlIndex = cursor.getColumnIndexOrThrow(URLColumns.URL);
title = cursor.getString(urlIndex);
}
titleView.setText(title);
return true;
}
@Override
public boolean setViewValue(View view, Cursor cursor, int columnIndex) {
int titleIndex = cursor.getColumnIndexOrThrow(URLColumns.TITLE);
if (columnIndex == titleIndex) {
return updateTitle(view, cursor, titleIndex);
}
// Other columns are handled automatically
return false;
}
}
}