Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/enhancedbookmarks/EnhancedBookmarkAddEditFolderActivity.java

+// Copyright 2015 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.enhancedbookmarks;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ImageButton;
+import android.widget.TextView;
+
+import com.google.android.apps.chrome.R;
+
+import org.chromium.chrome.browser.BookmarksBridge.BookmarkItem;
+import org.chromium.chrome.browser.BookmarksBridge.BookmarkModelObserver;
+import org.chromium.chrome.browser.enhanced_bookmarks.EnhancedBookmarksModel;
+import org.chromium.components.bookmarks.BookmarkId;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Activity that allows a user to add or edit a bookmark folder. This activity has two modes: adding
+ * mode and editing mode. Depending on different modes, it should be started via two static creator
+ * functions.
+ */
+public class EnhancedBookmarkAddEditFolderActivity extends EnhancedBookmarkActivityBase implements
+        View.OnClickListener {
+    static final String INTENT_IS_ADD_MODE = "EnhancedBookmarkAddEditFolderActivity.isAddMode";
+    static final String INTENT_BOOKMARK_ID = "EnhancedBookmarkAddEditFolderActivity.BookmarkId";
+    static final String
+            INTENT_CREATED_BOOKMARK = "EnhancedBookmarkAddEditFolderActivity.createdBookmark";
+    static final int PARENT_FOLDER_REQUEST_CODE = 10;
+
+    private boolean mIsAddMode;
+    private BookmarkId mParentId;
+    private EnhancedBookmarksModel mModel;
+    private TextView mParentTextView;
+    private EditText mFolderTitle;
+    private ImageButton mBackButton;
+    private ImageButton mSaveButton;
+
+    // Add mode member variable
+    private List<BookmarkId> mBookmarksToMove;
+
+    // Edit mode member variables
+    private BookmarkId mFolderId;
+    private Button mDeleteButton;
+
+    private BookmarkModelObserver mBookmarkModelObserver = new BookmarkModelObserver() {
+        @Override
+        public void bookmarkModelChanged() {
+            if (mIsAddMode) {
+                if (mModel.doesBookmarkExist(mParentId)) updateParent(mParentId);
+                else updateParent(mModel.getDefaultFolder());
+            } else {
+                assert mModel.doesBookmarkExist(mFolderId);
+                updateParent(mModel.getBookmarkById(mFolderId).getParentId());
+            }
+        }
+
+        @Override
+        public void bookmarkNodeMoved(BookmarkItem oldParent, int oldIndex, BookmarkItem newParent,
+                int newIndex) {
+            if (!oldParent.getId().equals(newParent.getId())
+                    && mModel.getChildAt(newParent.getId(), newIndex).equals(mFolderId)) {
+                updateParent(newParent.getId());
+            }
+        }
+
+        @Override
+        public void bookmarkNodeRemoved(BookmarkItem parent, int oldIndex, BookmarkItem node,
+                boolean isDoingExtensiveChanges) {
+            if (!node.getId().equals(mFolderId)) return;
+            finish();
+        }
+    };
+
+    /**
+     * Starts an edit folder activity. Require the context to fire an intent.
+     */
+    public static void startEditFolderActivity(Context context, BookmarkId idToEdit) {
+        Intent intent = new Intent(context, EnhancedBookmarkAddEditFolderActivity.class);
+        intent.putExtra(INTENT_IS_ADD_MODE, false);
+        intent.putExtra(INTENT_BOOKMARK_ID, idToEdit.toString());
+        context.startActivity(intent);
+    }
+
+    /**
+     * Starts an add folder activity. This method should only be called by
+     * {@link EnhancedBookmarkFolderSelectActivity}.
+     */
+    public static void startAddFolderActivity(EnhancedBookmarkFolderSelectActivity activity,
+            List<BookmarkId> bookmarksToMove) {
+        assert bookmarksToMove.size() > 0;
+        Intent intent = new Intent(activity, EnhancedBookmarkAddEditFolderActivity.class);
+        intent.putExtra(INTENT_IS_ADD_MODE, true);
+        ArrayList<String> bookmarkStrings = new ArrayList<>(bookmarksToMove.size());
+        for (BookmarkId id : bookmarksToMove) {
+            bookmarkStrings.add(id.toString());
+        }
+        intent.putStringArrayListExtra(
+                EnhancedBookmarkFolderSelectActivity.INTENT_BOOKMARKS_TO_MOVE, bookmarkStrings);
+        activity.startActivityForResult(intent,
+                EnhancedBookmarkFolderSelectActivity.CREATE_FOLDER_REQUEST_CODE);
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EnhancedBookmarkUtils.setTaskDescriptionInDocumentMode(this,
+                getString(R.string.enhanced_bookmark_action_bar_edit_folder));
+        mModel = new EnhancedBookmarksModel();
+        mModel.addModelObserver(mBookmarkModelObserver);
+        mIsAddMode = getIntent().getBooleanExtra(INTENT_IS_ADD_MODE, false);
+        if (mIsAddMode) {
+            List<String> stringList = getIntent().getStringArrayListExtra(
+                    EnhancedBookmarkFolderSelectActivity.INTENT_BOOKMARKS_TO_MOVE);
+            mBookmarksToMove = new ArrayList<>(stringList.size());
+            for (String string : stringList) {
+                mBookmarksToMove.add(BookmarkId.getBookmarkIdFromString(string));
+            }
+        } else {
+            mFolderId = BookmarkId.getBookmarkIdFromString(
+                    getIntent().getStringExtra(INTENT_BOOKMARK_ID));
+        }
+        setContentView(R.layout.eb_add_edit_folder_activity);
+        TextView dialogTitle = (TextView) findViewById(R.id.dialog_title);
+
+        mParentTextView = (TextView) findViewById(R.id.parent_folder);
+        mFolderTitle = (EditText) findViewById(R.id.folder_title);
+        clearErrorWhenNonEmpty(mFolderTitle);
+        mDeleteButton = (Button) findViewById(R.id.delete);
+        mBackButton = (ImageButton) findViewById(R.id.back);
+        mSaveButton = (ImageButton) findViewById(R.id.save);
+
+        mBackButton.setOnClickListener(this);
+        mSaveButton.setOnClickListener(this);
+        mParentTextView.setOnClickListener(this);
+        mDeleteButton.setOnClickListener(this);
+
+        if (mIsAddMode) {
+            mDeleteButton.setVisibility(View.GONE);
+            dialogTitle.setText(R.string.add_folder);
+            updateParent(mModel.getDefaultFolder());
+        } else {
+            // Edit mode
+            dialogTitle.setText(R.string.edit_folder);
+            BookmarkItem bookmarkItem = mModel.getBookmarkById(mFolderId);
+            updateParent(bookmarkItem.getParentId());
+            mFolderTitle.setText(bookmarkItem.getTitle());
+        }
+        mParentTextView.setText(mModel.getBookmarkTitle(mParentId));
+    }
+
+    @Override
+    public void onClick(View v) {
+        if (v == mParentTextView) {
+            if (mIsAddMode) {
+                EnhancedBookmarkFolderSelectActivity.startNewFolderSelectActivity(this,
+                        mBookmarksToMove);
+            } else {
+                EnhancedBookmarkFolderSelectActivity.startFolderSelectActivity(this, mFolderId);
+            }
+        } else if (v == mSaveButton) {
+            String folderTitle = mFolderTitle.getText().toString();
+
+            if (folderTitle.isEmpty()) {
+                mFolderTitle.setError(getResources().getText(R.string.bookmark_missing_title));
+                mFolderTitle.requestFocus();
+                return;
+            }
+
+            if (mIsAddMode) {
+                BookmarkId newFolder = mModel.addFolder(mParentId, 0, folderTitle);
+                Intent intent = new Intent();
+                intent.putExtra(INTENT_CREATED_BOOKMARK, newFolder.toString());
+                setResult(RESULT_OK, intent);
+            } else {
+                mModel.setBookmarkTitle(mFolderId, folderTitle);
+            }
+            finish();
+        } else if (v == mBackButton) {
+            finish();
+        } else if (v == mDeleteButton) {
+            // When deleting, wait till the model has done its job and notify us via model observer,
+            // and then we finish this activity.
+            mModel.deleteBookmarks(mFolderId);
+        }
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        assert mIsAddMode;
+        if (requestCode == PARENT_FOLDER_REQUEST_CODE && resultCode == RESULT_OK) {
+            BookmarkId selectedBookmark = BookmarkId.getBookmarkIdFromString(data.getStringExtra(
+                    EnhancedBookmarkFolderSelectActivity.INTENT_SELECTED_FOLDER));
+            updateParent(selectedBookmark);
+        }
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        mModel.removeModelObserver(mBookmarkModelObserver);
+        mModel.destroy();
+        mModel = null;
+    }
+
+    private void updateParent(BookmarkId newParent) {
+        mParentId = newParent;
+        mParentTextView.setText(mModel.getBookmarkTitle(mParentId));
+    }
+
+    /**
+     * Adds a listener to |textView| that will clear the TextView's error once the user types
+     * something.
+     */
+    private static void clearErrorWhenNonEmpty(final TextView textView) {
+        textView.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void afterTextChanged(Editable s) {
+            }
+
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+                if (s.length() != 0) {
+                    textView.setError(null);
+                }
+            }
+        });
+    }
+}