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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.chrome.browser.infobar;
import android.content.Context;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
import android.text.TextUtils;
import android.text.style.ClickableSpan;
import android.view.View;
import android.widget.CheckBox;
import org.chromium.chrome.R;
import org.chromium.ui.base.DeviceFormFactor;
/**
* Java version of the translate infobar
*/
public class TranslateInfoBar extends InfoBar implements SubPanelListener {
// Needs to be kept in sync with the Type enum in translate_infobar_delegate.h.
public static final int BEFORE_TRANSLATE_INFOBAR = 0;
public static final int TRANSLATING_INFOBAR = 1;
public static final int AFTER_TRANSLATE_INFOBAR = 2;
public static final int TRANSLATE_ERROR_INFOBAR = 3;
public static final int MAX_INFOBAR_INDEX = 4;
// Defines what subpanel needs to be shown, if any
public static final int NO_PANEL = 0;
public static final int LANGUAGE_PANEL = 1;
public static final int NEVER_PANEL = 2;
public static final int ALWAYS_PANEL = 3;
public static final int MAX_PANEL_INDEX = 4;
private int mInfoBarType;
private final TranslateOptions mOptions;
private int mOptionsPanelViewType;
private TranslateSubPanel mSubPanel;
private final boolean mShouldShowNeverBar;
private final TranslateInfoBarDelegate mTranslateDelegate;
public TranslateInfoBar(long nativeInfoBarPtr, TranslateInfoBarDelegate delegate,
int infoBarType, int sourceLanguageIndex, int targetLanguageIndex,
boolean autoTranslatePair, boolean shouldShowNeverBar,
boolean triggeredFromMenu, String[] languages) {
super(null, R.drawable.infobar_translate, null);
mTranslateDelegate = delegate;
mOptions = new TranslateOptions(sourceLanguageIndex, targetLanguageIndex, languages,
autoTranslatePair, triggeredFromMenu);
mInfoBarType = infoBarType;
mShouldShowNeverBar = shouldShowNeverBar;
mOptionsPanelViewType = NO_PANEL;
setNativeInfoBar(nativeInfoBarPtr);
}
@Override
public void onCloseButtonClicked() {
if (getInfoBarType() == BEFORE_TRANSLATE_INFOBAR && mOptionsPanelViewType == NO_PANEL) {
// Make it behave exactly as the Nope Button.
onButtonClicked(false);
} else {
nativeOnCloseButtonClicked(mNativeInfoBarPtr);
}
}
@Override
public void onButtonClicked(boolean isPrimaryButton) {
if (mSubPanel != null) {
mSubPanel.onButtonClicked(isPrimaryButton);
return;
}
int action = actionFor(isPrimaryButton);
if (getInfoBarType() == BEFORE_TRANSLATE_INFOBAR && mOptionsPanelViewType == NO_PANEL
&& action == ACTION_TYPE_CANCEL && needsNeverPanel()) {
// "Nope" was clicked and instead of dismissing we need to show
// the extra never panel.
swapPanel(NEVER_PANEL);
} else {
onTranslateInfoBarButtonClicked(action);
}
}
/**
* Based on the infobar and the button pressed figure out what action needs to happen.
*/
private int actionFor(boolean isPrimaryButton) {
int action = InfoBar.ACTION_TYPE_NONE;
int infobarType = getInfoBarType();
switch (infobarType) {
case TranslateInfoBar.BEFORE_TRANSLATE_INFOBAR:
action = isPrimaryButton
? InfoBar.ACTION_TYPE_TRANSLATE : InfoBar.ACTION_TYPE_CANCEL;
break;
case TranslateInfoBar.AFTER_TRANSLATE_INFOBAR:
if (!isPrimaryButton) {
action = InfoBar.ACTION_TYPE_TRANSLATE_SHOW_ORIGINAL;
}
break;
case TranslateInfoBar.TRANSLATE_ERROR_INFOBAR:
// retry
action = InfoBar.ACTION_TYPE_TRANSLATE;
break;
default:
break;
}
return action;
}
private CharSequence getMessageText(Context context) {
switch (getInfoBarType()) {
case BEFORE_TRANSLATE_INFOBAR:
String template = context.getString(R.string.translate_infobar_text);
return formatBeforeInfoBarMessage(template, mOptions.sourceLanguage(),
mOptions.targetLanguage(), LANGUAGE_PANEL);
case AFTER_TRANSLATE_INFOBAR:
String translated = context.getString(
R.string.translate_infobar_translation_done, mOptions.targetLanguage());
if (needsAlwaysPanel()) {
String moreOptions = context.getString(
R.string.translate_infobar_translation_more_options);
return formatAfterTranslateInfoBarMessage(translated, moreOptions,
ALWAYS_PANEL);
} else {
return translated;
}
case TRANSLATING_INFOBAR:
return context.getString(R.string.translate_infobar_translating,
mOptions.targetLanguage());
default:
return context.getString(R.string.translate_infobar_error);
}
}
private String getPrimaryButtonText(Context context) {
switch (getInfoBarType()) {
case BEFORE_TRANSLATE_INFOBAR:
return context.getString(R.string.translate_button);
case AFTER_TRANSLATE_INFOBAR:
if (!needsAlwaysPanel()) {
return context.getString(R.string.translate_button_done);
}
return null;
case TRANSLATE_ERROR_INFOBAR:
return context.getString(R.string.translate_retry);
default:
return null; // no inner buttons on the remaining infobars
}
}
private String getSecondaryButtonText(Context context) {
switch (getInfoBarType()) {
case BEFORE_TRANSLATE_INFOBAR:
return context.getString(R.string.translate_nope);
case AFTER_TRANSLATE_INFOBAR:
if (!needsAlwaysPanel()) {
return context.getString(R.string.translate_show_original);
}
return null;
default:
return null;
}
}
@Override
public void createContent(InfoBarLayout layout) {
if (mOptionsPanelViewType == NO_PANEL) {
mSubPanel = null;
} else {
mSubPanel = panelFor(mOptionsPanelViewType);
if (mSubPanel != null) {
mSubPanel.createContent(getContext(), layout);
}
return;
}
Context context = layout.getContext();
layout.setMessage(getMessageText(context));
layout.setButtons(getPrimaryButtonText(context), getSecondaryButtonText(context));
if (getInfoBarType() == AFTER_TRANSLATE_INFOBAR &&
!needsAlwaysPanel() &&
!mOptions.triggeredFromMenu()) {
// Long always translate version
TranslateCheckBox checkBox = new TranslateCheckBox(context, mOptions, this);
layout.setCustomContent(checkBox);
}
}
// SubPanelListener implementation
@Override
public void onPanelClosed(int action) {
setControlsEnabled(false);
if (mOptionsPanelViewType == LANGUAGE_PANEL) {
// Close the sub panel and show the infobar again.
mOptionsPanelViewType = NO_PANEL;
updateViewForCurrentState(createView());
} else {
// Apply options and close the infobar.
onTranslateInfoBarButtonClicked(action);
}
}
private void onTranslateInfoBarButtonClicked(int action) {
onOptionsChanged();
// We need to re-check if the pointer is null now because applying options (like never
// translate this site) can sometimes trigger closing the InfoBar.
if (mNativeInfoBarPtr == 0) return;
nativeOnButtonClicked(mNativeInfoBarPtr, action, "");
}
@Override
public void setControlsEnabled(boolean state) {
super.setControlsEnabled(state);
// Handle the "Always Translate" checkbox.
ContentWrapperView wrapper = getContentWrapper(false);
if (wrapper != null) {
CheckBox checkBox = (CheckBox) wrapper.findViewById(R.id.infobar_extra_check);
if (checkBox != null) checkBox.setEnabled(state);
}
}
@Override
public void onOptionsChanged() {
if (mNativeInfoBarPtr == 0) return;
if (mOptions.optionsChanged()) {
mTranslateDelegate.applyTranslateOptions(mNativeInfoBarPtr,
mOptions.sourceLanguageIndex(),
mOptions.targetLanguageIndex(),
mOptions.alwaysTranslateLanguageState(),
mOptions.neverTranslateLanguageState(),
mOptions.neverTranslateDomainState());
}
}
private boolean needsNeverPanel() {
return (getInfoBarType() == TranslateInfoBar.BEFORE_TRANSLATE_INFOBAR
&& mShouldShowNeverBar);
}
private boolean needsAlwaysPanel() {
return (getInfoBarType() == TranslateInfoBar.AFTER_TRANSLATE_INFOBAR
&& mOptions.alwaysTranslateLanguageState()
&& !DeviceFormFactor.isTablet(getContext()));
}
/**
* @param newPanel id of the new panel to swap in. Use NO_PANEL to
* simply remove the current panel.
*/
private void swapPanel(int newPanel) {
assert (newPanel >= NO_PANEL && newPanel < MAX_PANEL_INDEX);
mOptionsPanelViewType = newPanel;
updateViewForCurrentState(createView());
}
/**
* @return a panel of the specified {@code type}
*/
private TranslateSubPanel panelFor(int type) {
assert (type >= NO_PANEL && type < MAX_PANEL_INDEX);
switch (type) {
case LANGUAGE_PANEL:
return new TranslateLanguagePanel(this, mOptions);
case NEVER_PANEL:
return new TranslateNeverPanel(this, mOptions);
case ALWAYS_PANEL:
return new TranslateAlwaysPanel(this, mOptions);
default:
return null;
}
}
/**
* Swaps out the current view in the ContentViewWrapper.
*/
private void updateViewForCurrentState(View replacement) {
setControlsEnabled(false);
getInfoBarContainer().swapInfoBarViews(this, replacement);
}
/**
* @return a formatted message with links to {@code panelId}.
*/
private CharSequence formatBeforeInfoBarMessage(String template, String sourceLanguage,
String targetLanguage, final int panelId) {
SpannableString formattedSourceLanguage = new SpannableString(sourceLanguage);
formattedSourceLanguage.setSpan(new ClickableSpan() {
@Override
public void onClick(View view) {
swapPanel(panelId);
}
}, 0, sourceLanguage.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
SpannableString formattedTargetLanguage = new SpannableString(targetLanguage);
formattedTargetLanguage.setSpan(new ClickableSpan() {
@Override
public void onClick(View view) {
swapPanel(panelId);
}
}, 0, targetLanguage.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
return TextUtils.expandTemplate(template, formattedSourceLanguage, formattedTargetLanguage);
}
/**
* @return a formatted message with a link to {@code panelId}
*/
private CharSequence formatAfterTranslateInfoBarMessage(String statement, String linkText,
final int panelId) {
SpannableStringBuilder result = new SpannableStringBuilder();
result.append(statement).append(" ");
SpannableString formattedChange = new SpannableString(linkText);
formattedChange.setSpan(new ClickableSpan() {
@Override
public void onClick(View view) {
swapPanel(panelId);
}
}, 0, linkText.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
result.append(formattedChange);
return result;
}
int getInfoBarType() {
return mInfoBarType;
}
void changeInfoBarTypeAndNativePointer(int infoBarType, long newNativePointer) {
if (infoBarType >= 0 && infoBarType < MAX_INFOBAR_INDEX) {
mInfoBarType = infoBarType;
replaceNativePointer(newNativePointer);
updateViewForCurrentState(createView());
} else {
assert false : "Trying to change the InfoBar to a type that is invalid.";
}
}
}