k-9/k9mail/src/main/java/com/fsck/k9/ui/messageview/MessageContainerView.java

605 lines
23 KiB
Java

package com.fsck.k9.ui.messageview;
import java.util.HashMap;
import java.util.Map;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Parcel;
import android.os.Parcelable;
import android.util.AttributeSet;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnCreateContextMenuListener;
import android.view.ViewStub;
import android.webkit.WebView;
import android.webkit.WebView.HitTestResult;
import android.webkit.WebViewClient;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.Toast;
import com.fsck.k9.R;
import com.fsck.k9.helper.ClipboardManager;
import com.fsck.k9.helper.Contacts;
import com.fsck.k9.helper.Utility;
import com.fsck.k9.mail.Address;
import com.fsck.k9.mail.MessagingException;
import com.fsck.k9.mailstore.AttachmentViewInfo;
import com.fsck.k9.mailstore.MessageViewInfo.MessageViewContainer;
import com.fsck.k9.mailstore.OpenPgpResultAnnotation;
import com.fsck.k9.mailstore.OpenPgpResultAnnotation.CryptoError;
import com.fsck.k9.view.K9WebViewClient;
import com.fsck.k9.view.MessageHeader.OnLayoutChangedListener;
import com.fsck.k9.view.MessageWebView;
public class MessageContainerView extends LinearLayout implements OnClickListener,
OnLayoutChangedListener, OnCreateContextMenuListener {
private static final int MENU_ITEM_LINK_VIEW = Menu.FIRST;
private static final int MENU_ITEM_LINK_SHARE = Menu.FIRST + 1;
private static final int MENU_ITEM_LINK_COPY = Menu.FIRST + 2;
private static final int MENU_ITEM_IMAGE_VIEW = Menu.FIRST;
private static final int MENU_ITEM_IMAGE_SAVE = Menu.FIRST + 1;
private static final int MENU_ITEM_IMAGE_COPY = Menu.FIRST + 2;
private static final int MENU_ITEM_PHONE_CALL = Menu.FIRST;
private static final int MENU_ITEM_PHONE_SAVE = Menu.FIRST + 1;
private static final int MENU_ITEM_PHONE_COPY = Menu.FIRST + 2;
private static final int MENU_ITEM_EMAIL_SEND = Menu.FIRST;
private static final int MENU_ITEM_EMAIL_SAVE = Menu.FIRST + 1;
private static final int MENU_ITEM_EMAIL_COPY = Menu.FIRST + 2;
private View mSidebar;
private MessageWebView mMessageContentView;
private LinearLayout mAttachments;
private Button mShowHiddenAttachments;
private LinearLayout mHiddenAttachments;
private boolean showingPictures;
private LayoutInflater mInflater;
private AttachmentViewCallback attachmentCallback;
private View mAttachmentsContainer;
private SavedState mSavedState;
private ClipboardManager mClipboardManager;
private String mText;
private Map<AttachmentViewInfo, AttachmentView> attachments = new HashMap<AttachmentViewInfo, AttachmentView>();
@Override
public void onFinishInflate() {
mSidebar = findViewById(R.id.message_sidebar);
mMessageContentView = (MessageWebView) findViewById(R.id.message_content);
mMessageContentView.configure();
mMessageContentView.setOnCreateContextMenuListener(this);
mMessageContentView.setVisibility(View.VISIBLE);
mAttachmentsContainer = findViewById(R.id.attachments_container);
mAttachments = (LinearLayout) findViewById(R.id.attachments);
mHiddenAttachments = (LinearLayout) findViewById(R.id.hidden_attachments);
mHiddenAttachments.setVisibility(View.GONE);
mShowHiddenAttachments = (Button) findViewById(R.id.show_hidden_attachments);
mShowHiddenAttachments.setVisibility(View.GONE);
mShowHiddenAttachments.setOnClickListener(this);
showingPictures = false;
Context context = getContext();
mInflater = LayoutInflater.from(context);
mClipboardManager = ClipboardManager.getInstance(context);
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu);
WebView webview = (WebView) v;
WebView.HitTestResult result = webview.getHitTestResult();
if (result == null) {
return;
}
int type = result.getType();
Context context = getContext();
switch (type) {
case HitTestResult.SRC_ANCHOR_TYPE: {
final String url = result.getExtra();
OnMenuItemClickListener listener = new OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
switch (item.getItemId()) {
case MENU_ITEM_LINK_VIEW: {
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
startActivityIfAvailable(getContext(), intent);
break;
}
case MENU_ITEM_LINK_SHARE: {
Intent intent = new Intent(Intent.ACTION_SEND);
intent.setType("text/plain");
intent.putExtra(Intent.EXTRA_TEXT, url);
startActivityIfAvailable(getContext(), intent);
break;
}
case MENU_ITEM_LINK_COPY: {
String label = getContext().getString(
R.string.webview_contextmenu_link_clipboard_label);
mClipboardManager.setText(label, url);
break;
}
}
return true;
}
};
menu.setHeaderTitle(url);
menu.add(Menu.NONE, MENU_ITEM_LINK_VIEW, 0,
context.getString(R.string.webview_contextmenu_link_view_action))
.setOnMenuItemClickListener(listener);
menu.add(Menu.NONE, MENU_ITEM_LINK_SHARE, 1,
context.getString(R.string.webview_contextmenu_link_share_action))
.setOnMenuItemClickListener(listener);
menu.add(Menu.NONE, MENU_ITEM_LINK_COPY, 2,
context.getString(R.string.webview_contextmenu_link_copy_action))
.setOnMenuItemClickListener(listener);
break;
}
case HitTestResult.IMAGE_TYPE:
case HitTestResult.SRC_IMAGE_ANCHOR_TYPE: {
final String url = result.getExtra();
final boolean externalImage = url.startsWith("http");
OnMenuItemClickListener listener = new OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
switch (item.getItemId()) {
case MENU_ITEM_IMAGE_VIEW: {
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
if (!externalImage) {
// Grant read permission if this points to our
// AttachmentProvider
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
}
startActivityIfAvailable(getContext(), intent);
break;
}
case MENU_ITEM_IMAGE_SAVE: {
//TODO: Use download manager
new DownloadImageTask(getContext()).execute(url);
break;
}
case MENU_ITEM_IMAGE_COPY: {
String label = getContext().getString(
R.string.webview_contextmenu_image_clipboard_label);
mClipboardManager.setText(label, url);
break;
}
}
return true;
}
};
menu.setHeaderTitle((externalImage) ?
url : context.getString(R.string.webview_contextmenu_image_title));
menu.add(Menu.NONE, MENU_ITEM_IMAGE_VIEW, 0,
context.getString(R.string.webview_contextmenu_image_view_action))
.setOnMenuItemClickListener(listener);
menu.add(Menu.NONE, MENU_ITEM_IMAGE_SAVE, 1,
(externalImage) ?
context.getString(R.string.webview_contextmenu_image_download_action) :
context.getString(R.string.webview_contextmenu_image_save_action))
.setOnMenuItemClickListener(listener);
if (externalImage) {
menu.add(Menu.NONE, MENU_ITEM_IMAGE_COPY, 2,
context.getString(R.string.webview_contextmenu_image_copy_action))
.setOnMenuItemClickListener(listener);
}
break;
}
case HitTestResult.PHONE_TYPE: {
final String phoneNumber = result.getExtra();
OnMenuItemClickListener listener = new OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
switch (item.getItemId()) {
case MENU_ITEM_PHONE_CALL: {
Uri uri = Uri.parse(WebView.SCHEME_TEL + phoneNumber);
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
startActivityIfAvailable(getContext(), intent);
break;
}
case MENU_ITEM_PHONE_SAVE: {
Contacts contacts = Contacts.getInstance(getContext());
contacts.addPhoneContact(phoneNumber);
break;
}
case MENU_ITEM_PHONE_COPY: {
String label = getContext().getString(
R.string.webview_contextmenu_phone_clipboard_label);
mClipboardManager.setText(label, phoneNumber);
break;
}
}
return true;
}
};
menu.setHeaderTitle(phoneNumber);
menu.add(Menu.NONE, MENU_ITEM_PHONE_CALL, 0,
context.getString(R.string.webview_contextmenu_phone_call_action))
.setOnMenuItemClickListener(listener);
menu.add(Menu.NONE, MENU_ITEM_PHONE_SAVE, 1,
context.getString(R.string.webview_contextmenu_phone_save_action))
.setOnMenuItemClickListener(listener);
menu.add(Menu.NONE, MENU_ITEM_PHONE_COPY, 2,
context.getString(R.string.webview_contextmenu_phone_copy_action))
.setOnMenuItemClickListener(listener);
break;
}
case WebView.HitTestResult.EMAIL_TYPE: {
final String email = result.getExtra();
OnMenuItemClickListener listener = new OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
switch (item.getItemId()) {
case MENU_ITEM_EMAIL_SEND: {
Uri uri = Uri.parse(WebView.SCHEME_MAILTO + email);
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
startActivityIfAvailable(getContext(), intent);
break;
}
case MENU_ITEM_EMAIL_SAVE: {
Contacts contacts = Contacts.getInstance(getContext());
contacts.createContact(new Address(email));
break;
}
case MENU_ITEM_EMAIL_COPY: {
String label = getContext().getString(
R.string.webview_contextmenu_email_clipboard_label);
mClipboardManager.setText(label, email);
break;
}
}
return true;
}
};
menu.setHeaderTitle(email);
menu.add(Menu.NONE, MENU_ITEM_EMAIL_SEND, 0,
context.getString(R.string.webview_contextmenu_email_send_action))
.setOnMenuItemClickListener(listener);
menu.add(Menu.NONE, MENU_ITEM_EMAIL_SAVE, 1,
context.getString(R.string.webview_contextmenu_email_save_action))
.setOnMenuItemClickListener(listener);
menu.add(Menu.NONE, MENU_ITEM_EMAIL_COPY, 2,
context.getString(R.string.webview_contextmenu_email_copy_action))
.setOnMenuItemClickListener(listener);
break;
}
}
}
private void startActivityIfAvailable(Context context, Intent intent) {
try {
context.startActivity(intent);
} catch (ActivityNotFoundException e) {
Toast.makeText(context, R.string.error_activity_not_found, Toast.LENGTH_LONG).show();
}
}
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.show_hidden_attachments: {
onShowHiddenAttachments();
break;
}
}
}
private void onShowHiddenAttachments() {
mShowHiddenAttachments.setVisibility(View.GONE);
mHiddenAttachments.setVisibility(View.VISIBLE);
}
public MessageContainerView(Context context, AttributeSet attrs) {
super(context, attrs);
}
private boolean isShowingPictures() {
return showingPictures;
}
private void setLoadPictures(boolean enable) {
mMessageContentView.blockNetworkData(!enable);
showingPictures = enable;
}
public void showPictures() {
setLoadPictures(true);
loadBodyFromText(mText);
}
public void enableAttachmentButtons() {
for (AttachmentView attachmentView : attachments.values()) {
attachmentView.enableButtons();
}
}
public void disableAttachmentButtons() {
for (AttachmentView attachmentView : attachments.values()) {
attachmentView.disableButtons();
}
}
public void displayMessageViewContainer(MessageViewContainer messageViewContainer,
boolean automaticallyLoadPictures, ShowPicturesController showPicturesController,
AttachmentViewCallback attachmentCallback, OpenPgpHeaderViewCallback openPgpHeaderViewCallback,
boolean displayPgpHeader) throws MessagingException {
this.attachmentCallback = attachmentCallback;
resetView();
WebViewClient webViewClient = K9WebViewClient.newInstance(messageViewContainer.rootPart);
mMessageContentView.setWebViewClient(webViewClient);
boolean hasAttachments = !messageViewContainer.attachments.isEmpty();
if (hasAttachments) {
renderAttachments(messageViewContainer);
}
mHiddenAttachments.setVisibility(View.GONE);
boolean lookForImages = true;
if (mSavedState != null) {
if (mSavedState.showingPictures) {
setLoadPictures(true);
lookForImages = false;
}
if (mSavedState.hiddenAttachmentsVisible) {
onShowHiddenAttachments();
}
mSavedState = null;
}
mText = getTextToDisplay(messageViewContainer);
if (mText != null && lookForImages) {
if (Utility.hasExternalImages(mText) && !isShowingPictures()) {
if (automaticallyLoadPictures) {
setLoadPictures(true);
} else {
showPicturesController.notifyMessageContainerContainsPictures(this);
}
}
}
if (displayPgpHeader) {
ViewStub openPgpHeaderStub = (ViewStub) findViewById(R.id.openpgp_header_stub);
OpenPgpHeaderView openPgpHeaderView = (OpenPgpHeaderView) openPgpHeaderStub.inflate();
OpenPgpResultAnnotation cryptoAnnotation = messageViewContainer.cryptoAnnotation;
openPgpHeaderView.setOpenPgpData(cryptoAnnotation);
openPgpHeaderView.setCallback(openPgpHeaderViewCallback);
mSidebar.setVisibility(View.VISIBLE);
} else {
mSidebar.setVisibility(View.GONE);
}
String text;
if (mText != null) {
text = mText;
} else {
text = wrapStatusMessage(getContext().getString(R.string.webview_empty_message));
}
loadBodyFromText(text);
}
private String getTextToDisplay(MessageViewContainer messageViewContainer) {
OpenPgpResultAnnotation cryptoAnnotation = messageViewContainer.cryptoAnnotation;
if (cryptoAnnotation == null) {
return messageViewContainer.text;
}
CryptoError errorType = cryptoAnnotation.getErrorType();
switch (errorType) {
case CRYPTO_API_RETURNED_ERROR: {
// TODO make a nice view for this
return wrapStatusMessage(cryptoAnnotation.getError().getMessage());
}
case ENCRYPTED_BUT_INCOMPLETE: {
return wrapStatusMessage(getContext().getString(R.string.crypto_download_complete_message_to_decrypt));
}
case NONE:
case SIGNED_BUT_INCOMPLETE: {
return messageViewContainer.text;
}
}
throw new IllegalStateException("Unknown error type: " + errorType);
}
public String wrapStatusMessage(String status) {
return "<div style=\"text-align:center; color: grey;\">" + status + "</div>";
}
private void loadBodyFromText(String emailText) {
mMessageContentView.setText(emailText);
}
public void renderAttachments(MessageViewContainer messageContainer) throws MessagingException {
for (AttachmentViewInfo attachment : messageContainer.attachments) {
AttachmentView view = (AttachmentView) mInflater.inflate(R.layout.message_view_attachment, null);
view.setCallback(attachmentCallback);
view.setAttachment(attachment);
attachments.put(attachment, view);
if (attachment.firstClassAttachment) {
addAttachment(view);
} else {
addHiddenAttachment(view);
}
}
}
public void addAttachment(View attachmentView) {
mAttachments.addView(attachmentView);
}
public void addHiddenAttachment(View attachmentView) {
mHiddenAttachments.addView(attachmentView);
}
public void zoom(KeyEvent event) {
if (event.isShiftPressed()) {
mMessageContentView.zoomIn();
} else {
mMessageContentView.zoomOut();
}
}
public void beginSelectingText() {
mMessageContentView.emulateShiftHeld();
}
public void resetView() {
setLoadPictures(false);
mAttachments.removeAllViews();
mHiddenAttachments.removeAllViews();
/*
* Clear the WebView content
*
* For some reason WebView.clearView() doesn't clear the contents when the WebView changes
* its size because the button to download the complete message was previously shown and
* is now hidden.
*/
loadBodyFromText("");
}
@Override
public Parcelable onSaveInstanceState() {
Parcelable superState = super.onSaveInstanceState();
SavedState savedState = new SavedState(superState);
savedState.attachmentViewVisible = (mAttachmentsContainer != null &&
mAttachmentsContainer.getVisibility() == View.VISIBLE);
savedState.hiddenAttachmentsVisible = (mHiddenAttachments != null &&
mHiddenAttachments.getVisibility() == View.VISIBLE);
savedState.showingPictures = showingPictures;
return savedState;
}
@Override
public void onRestoreInstanceState(Parcelable state) {
if(!(state instanceof SavedState)) {
super.onRestoreInstanceState(state);
return;
}
SavedState savedState = (SavedState)state;
super.onRestoreInstanceState(savedState.getSuperState());
mSavedState = savedState;
}
@Override
public void onLayoutChanged() {
if (mMessageContentView != null) {
mMessageContentView.invalidate();
}
}
public void enableAttachmentButtons(AttachmentViewInfo attachment) {
getAttachmentView(attachment).enableButtons();
}
public void disableAttachmentButtons(AttachmentViewInfo attachment) {
getAttachmentView(attachment).disableButtons();
}
public void refreshAttachmentThumbnail(AttachmentViewInfo attachment) {
getAttachmentView(attachment).refreshThumbnail();
}
private AttachmentView getAttachmentView(AttachmentViewInfo attachment) {
return attachments.get(attachment);
}
static class SavedState extends BaseSavedState {
boolean attachmentViewVisible;
boolean hiddenAttachmentsVisible;
boolean showingPictures;
public static final Parcelable.Creator<SavedState> CREATOR =
new Parcelable.Creator<SavedState>() {
@Override
public SavedState createFromParcel(Parcel in) {
return new SavedState(in);
}
@Override
public SavedState[] newArray(int size) {
return new SavedState[size];
}
};
SavedState(Parcelable superState) {
super(superState);
}
private SavedState(Parcel in) {
super(in);
this.attachmentViewVisible = (in.readInt() != 0);
this.hiddenAttachmentsVisible = (in.readInt() != 0);
this.showingPictures = (in.readInt() != 0);
}
@Override
public void writeToParcel(Parcel out, int flags) {
super.writeToParcel(out, flags);
out.writeInt((this.attachmentViewVisible) ? 1 : 0);
out.writeInt((this.hiddenAttachmentsVisible) ? 1 : 0);
out.writeInt((this.showingPictures) ? 1 : 0);
}
}
}