The Tor Browser: comparison mobile/android/base/home/TopSitesGridItemView.java

--1:000000000000
+:2cc50e8f0f94
+/* -*- 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.home;
+import org.mozilla.gecko.favicons.Favicons;
+import org.mozilla.gecko.R;
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.text.TextUtils;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.widget.ImageView;
+import android.widget.ImageView.ScaleType;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
+/**
+* A view that displays the thumbnail and the title/url for a top/pinned site.
+* If the title/url is longer than the width of the view, they are faded out.
+* If there is no valid url, a default string is shown at 50% opacity.
+* This is denoted by the empty state.
+*/
+public class TopSitesGridItemView extends RelativeLayout {
+private static final String LOGTAG = "GeckoTopSitesGridItemView";
+// Empty state, to denote there is no valid url.
+private static final int[] STATE_EMPTY = { android.R.attr.state_empty };
+private static final ScaleType SCALE_TYPE_FAVICON   = ScaleType.CENTER;
+private static final ScaleType SCALE_TYPE_RESOURCE  = ScaleType.CENTER;
+private static final ScaleType SCALE_TYPE_THUMBNAIL = ScaleType.CENTER_CROP;
+// Child views.
+private final TextView mTitleView;
+private final ImageView mThumbnailView;
+// Data backing this view.
+private String mTitle;
+private String mUrl;
+private String mFaviconURL;
+private boolean mThumbnailSet;
+// Pinned state.
+private boolean mIsPinned = false;
+// Dirty state.
+private boolean mIsDirty = false;
+// Empty state.
+private boolean mIsEmpty = true;
+private int mLoadId = Favicons.NOT_LOADING;
+public TopSitesGridItemView(Context context) {
+this(context, null);
+}
+public TopSitesGridItemView(Context context, AttributeSet attrs) {
+this(context, attrs, R.attr.topSitesGridItemViewStyle);
+}
+public TopSitesGridItemView(Context context, AttributeSet attrs, int defStyle) {
+super(context, attrs, defStyle);
+LayoutInflater.from(context).inflate(R.layout.top_sites_grid_item_view, this);
+mTitleView = (TextView) findViewById(R.id.title);
+mThumbnailView = (ImageView) findViewById(R.id.thumbnail);
+}
+/**
+* {@inheritDoc}
+*/
+@Override
+public int[] onCreateDrawableState(int extraSpace) {
+final int[] drawableState = super.onCreateDrawableState(extraSpace + 1);
+if (mIsEmpty) {
+mergeDrawableStates(drawableState, STATE_EMPTY);
+}
+return drawableState;
+}
+/**
+* @return The title shown by this view.
+*/
+public String getTitle() {
+return (!TextUtils.isEmpty(mTitle) ? mTitle : mUrl);
+}
+/**
+* @return The url shown by this view.
+*/
+public String getUrl() {
+return mUrl;
+}
+/**
+* @return true, if this view is pinned, false otherwise.
+*/
+public boolean isPinned() {
+return mIsPinned;
+}
+/**
+* @return true, if this view has no content to show.
+*/
+public boolean isEmpty() {
+return mIsEmpty;
+}
+/**
+* @param title The title for this view.
+*/
+public void setTitle(String title) {
+if (mTitle != null && mTitle.equals(title)) {
+return;
+}
+mTitle = title;
+updateTitleView();
+}
+/**
+* @param url The url for this view.
+*/
+public void setUrl(String url) {
+if (mUrl != null && mUrl.equals(url)) {
+return;
+}
+mUrl = url;
+updateTitleView();
+}
+/**
+* @param pinned The pinned state of this view.
+*/
+public void setPinned(boolean pinned) {
+mIsPinned = pinned;
+mTitleView.setCompoundDrawablesWithIntrinsicBounds(pinned ? R.drawable.pin : 0, 0, 0, 0);
+}
+public void blankOut() {
+mUrl = "";
+mTitle = "";
+mIsPinned = false;
+updateTitleView();
+mTitleView.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
+setLoadId(Favicons.NOT_LOADING);
+displayThumbnail(R.drawable.top_site_add);
+}
+public void markAsDirty() {
+mIsDirty = true;
+}
+/**
+* Updates the title, URL, and pinned state of this view.
+*
+* Also resets our loadId to NOT_LOADING.
+*
+* Returns true if any fields changed.
+*/
+public boolean updateState(final String title, final String url, final boolean pinned, final Bitmap thumbnail) {
+boolean changed = false;
+if (mUrl == null || !mUrl.equals(url)) {
+mUrl = url;
+changed = true;
+}
+if (mTitle == null || !mTitle.equals(title)) {
+mTitle = title;
+changed = true;
+}
+if (thumbnail != null) {
+displayThumbnail(thumbnail);
+} else if (changed) {
+// Because we'll have a new favicon or thumbnail arriving shortly, and
+// we need to not reject it because we already had a thumbnail.
+mThumbnailSet = false;
+}
+if (changed) {
+updateTitleView();
+setLoadId(Favicons.NOT_LOADING);
+}
+if (mIsPinned != pinned) {
+mIsPinned = pinned;
+mTitleView.setCompoundDrawablesWithIntrinsicBounds(pinned ? R.drawable.pin : 0, 0, 0, 0);
+changed = true;
+}
+// The dirty state forces the state update to return true
+// so that the adapter loads favicons once the thumbnails
+// are loaded in TopSitesPanel/TopSitesGridAdapter.
+changed = (changed || mIsDirty);
+mIsDirty = false;
+return changed;
+}
+/**
+* Display the thumbnail from a resource.
+*
+* @param resId Resource ID of the drawable to show.
+*/
+public void displayThumbnail(int resId) {
+mThumbnailView.setScaleType(SCALE_TYPE_RESOURCE);
+mThumbnailView.setImageResource(resId);
+mThumbnailView.setBackgroundColor(0x0);
+mThumbnailSet = false;
+}
+/**
+* Display the thumbnail from a bitmap.
+*
+* @param thumbnail The bitmap to show as thumbnail.
+*/
+public void displayThumbnail(Bitmap thumbnail) {
+if (thumbnail == null) {
+// Show a favicon based view instead.
+displayThumbnail(R.drawable.favicon);
+return;
+}
+mThumbnailSet = true;
+Favicons.cancelFaviconLoad(mLoadId);
+mThumbnailView.setScaleType(SCALE_TYPE_THUMBNAIL);
+mThumbnailView.setImageBitmap(thumbnail);
+mThumbnailView.setBackgroundDrawable(null);
+}
+public void displayFavicon(Bitmap favicon, String faviconURL, int expectedLoadId) {
+if (mLoadId != Favicons.NOT_LOADING &&
+mLoadId != expectedLoadId) {
+// View recycled.
+return;
+}
+// Yes, there's a chance of a race here.
+displayFavicon(favicon, faviconURL);
+}
+/**
+* Display the thumbnail from a favicon.
+*
+* @param favicon The favicon to show as thumbnail.
+*/
+public void displayFavicon(Bitmap favicon, String faviconURL) {
+if (mThumbnailSet) {
+// Already showing a thumbnail; do nothing.
+return;
+}
+if (favicon == null) {
+// Should show default favicon.
+displayThumbnail(R.drawable.favicon);
+return;
+}
+if (faviconURL != null) {
+mFaviconURL = faviconURL;
+}
+mThumbnailView.setScaleType(SCALE_TYPE_FAVICON);
+mThumbnailView.setImageBitmap(favicon);
+if (mFaviconURL != null) {
+mThumbnailView.setBackgroundColor(Favicons.getFaviconColor(mFaviconURL));
+}
+}
+/**
+* Update the title shown by this view. If both title and url
+* are empty, mark the state as STATE_EMPTY and show a default text.
+*/
+private void updateTitleView() {
+String title = getTitle();
+if (!TextUtils.isEmpty(title)) {
+mTitleView.setText(title);
+mIsEmpty = false;
+} else {
+mTitleView.setText(R.string.home_top_sites_add);
+mIsEmpty = true;
+}
+// Refresh for state change.
+refreshDrawableState();
+}
+public void setLoadId(int aLoadId) {
+Favicons.cancelFaviconLoad(mLoadId);
+mLoadId = aLoadId;
+}
+}

The Tor Browser / file comparison

comparison: mobile/android/base/home/TopSitesGridItemView.java

mobile/android/base/home/TopSitesGridItemView.java