1 files changed, 356 insertions, 0 deletions
diff --git a/src/com/android/swe/browser/UrlInputView.java b/src/com/android/swe/browser/UrlInputView.java
new file mode 100644
index 00000000..02bba3cb
--- /dev/null
+++ b/src/com/android/swe/browser/UrlInputView.java
@@ -0,0 +1,356 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.browser;
+
+import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.TypedArray;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+import android.text.Editable;
+import android.text.TextUtils;
+import android.text.TextWatcher;
+import android.util.AttributeSet;
+import android.util.Patterns;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.inputmethod.InputMethodManager;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.AutoCompleteTextView;
+import android.widget.TextView;
+import android.widget.TextView.OnEditorActionListener;
+
+import com.android.browser.SuggestionsAdapter.CompletionListener;
+import com.android.browser.SuggestionsAdapter.SuggestItem;
+import com.android.browser.search.SearchEngine;
+import com.android.browser.search.SearchEngineInfo;
+import com.android.browser.search.SearchEngines;
+import com.android.internal.R;
+
+import java.util.List;
+
+/**
+ * url/search input view
+ * handling suggestions
+ */
+public class UrlInputView extends AutoCompleteTextView
+        implements OnEditorActionListener,
+        CompletionListener, OnItemClickListener, TextWatcher {
+
+    static final String TYPED = "browser-type";
+    static final String SUGGESTED = "browser-suggest";
+
+    static final int POST_DELAY = 100;
+
+    static interface StateListener {
+        static final int STATE_NORMAL = 0;
+        static final int STATE_HIGHLIGHTED = 1;
+        static final int STATE_EDITED = 2;
+
+        public void onStateChanged(int state);
+    }
+
+    private UrlInputListener   mListener;
+    private InputMethodManager mInputManager;
+    private SuggestionsAdapter mAdapter;
+    private View mContainer;
+    private boolean mLandscape;
+    private boolean mIncognitoMode;
+    private boolean mNeedsUpdate;
+
+    private int mState;
+    private StateListener mStateListener;
+    private Rect mPopupPadding;
+
+    public UrlInputView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        TypedArray a = context.obtainStyledAttributes(
+                attrs, com.android.internal.R.styleable.PopupWindow,
+                R.attr.autoCompleteTextViewStyle, 0);
+
+        Drawable popupbg = a.getDrawable(R.styleable.PopupWindow_popupBackground);
+        a.recycle();
+        mPopupPadding = new Rect();
+        popupbg.getPadding(mPopupPadding);
+        init(context);
+    }
+
+    public UrlInputView(Context context, AttributeSet attrs) {
+        this(context, attrs, R.attr.autoCompleteTextViewStyle);
+    }
+
+    public UrlInputView(Context context) {
+        this(context, null);
+    }
+
+    private void init(Context ctx) {
+        mInputManager = (InputMethodManager) ctx.getSystemService(Context.INPUT_METHOD_SERVICE);
+        setOnEditorActionListener(this);
+        mAdapter = new SuggestionsAdapter(ctx, this);
+        setAdapter(mAdapter);
+        setSelectAllOnFocus(true);
+        onConfigurationChanged(ctx.getResources().getConfiguration());
+        setThreshold(1);
+        setOnItemClickListener(this);
+        mNeedsUpdate = false;
+        addTextChangedListener(this);
+
+        mState = StateListener.STATE_NORMAL;
+    }
+
+    protected void onFocusChanged(boolean focused, int direction, Rect prevRect) {
+        super.onFocusChanged(focused, direction, prevRect);
+        int state = -1;
+        if (focused) {
+            if (hasSelection()) {
+                state = StateListener.STATE_HIGHLIGHTED;
+            } else {
+                state = StateListener.STATE_EDITED;
+            }
+        } else {
+            // reset the selection state
+            state = StateListener.STATE_NORMAL;
+        }
+        final int s = state;
+        post(new Runnable() {
+            public void run() {
+                changeState(s);
+            }
+        });
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent evt) {
+        boolean hasSelection = hasSelection();
+        boolean res = super.onTouchEvent(evt);
+        if ((MotionEvent.ACTION_DOWN == evt.getActionMasked())
+              && hasSelection) {
+            postDelayed(new Runnable() {
+                public void run() {
+                    changeState(StateListener.STATE_EDITED);
+                }}, POST_DELAY);
+        }
+        return res;
+    }
+
+    /**
+     * check if focus change requires a title bar update
+     */
+    boolean needsUpdate() {
+        return mNeedsUpdate;
+    }
+
+    /**
+     * clear the focus change needs title bar update flag
+     */
+    void clearNeedsUpdate() {
+        mNeedsUpdate = false;
+    }
+
+    void setController(UiController controller) {
+        UrlSelectionActionMode urlSelectionMode
+                = new UrlSelectionActionMode(controller);
+        setCustomSelectionActionModeCallback(urlSelectionMode);
+    }
+
+    void setContainer(View container) {
+        mContainer = container;
+    }
+
+    public void setUrlInputListener(UrlInputListener listener) {
+        mListener = listener;
+    }
+
+    public void setStateListener(StateListener listener) {
+        mStateListener = listener;
+        // update listener
+        changeState(mState);
+    }
+
+    private void changeState(int newState) {
+        mState = newState;
+        if (mStateListener != null) {
+            mStateListener.onStateChanged(mState);
+        }
+    }
+
+    int getState() {
+        return mState;
+    }
+
+    @Override
+    protected void onConfigurationChanged(Configuration config) {
+        super.onConfigurationChanged(config);
+        mLandscape = (config.orientation &
+                Configuration.ORIENTATION_LANDSCAPE) != 0;
+        mAdapter.setLandscapeMode(mLandscape);
+        if (isPopupShowing() && (getVisibility() == View.VISIBLE)) {
+            setupDropDown();
+            performFiltering(getText(), 0);
+        }
+    }
+
+    @Override
+    public void showDropDown() {
+        setupDropDown();
+        super.showDropDown();
+    }
+
+    @Override
+    public void dismissDropDown() {
+        super.dismissDropDown();
+        mAdapter.clearCache();
+    }
+
+    private void setupDropDown() {
+        int width = mContainer != null ? mContainer.getWidth() : getWidth();
+        width += mPopupPadding.left + mPopupPadding.right;
+        if (width != getDropDownWidth()) {
+            setDropDownWidth(width);
+        }
+        int left = getLeft();
+        left += mPopupPadding.left;
+        if (left != -getDropDownHorizontalOffset()) {
+            setDropDownHorizontalOffset(-left);
+        }
+    }
+
+    @Override
+    public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
+        finishInput(getText().toString(), null, TYPED);
+        return true;
+    }
+
+    void forceFilter() {
+        showDropDown();
+    }
+
+    void hideIME() {
+        mInputManager.hideSoftInputFromWindow(getWindowToken(), 0);
+    }
+
+    void showIME() {
+        mInputManager.focusIn(this);
+        mInputManager.showSoftInput(this, 0);
+    }
+
+    private void finishInput(String url, String extra, String source) {
+        mNeedsUpdate = true;
+        dismissDropDown();
+        mInputManager.hideSoftInputFromWindow(getWindowToken(), 0);
+        if (TextUtils.isEmpty(url)) {
+            mListener.onDismiss();
+        } else {
+            if (mIncognitoMode && isSearch(url)) {
+                // To prevent logging, intercept this request
+                // TODO: This is a quick hack, refactor this
+                SearchEngine searchEngine = BrowserSettings.getInstance()
+                        .getSearchEngine();
+                if (searchEngine == null) return;
+                SearchEngineInfo engineInfo = SearchEngines
+                        .getSearchEngineInfo(mContext, searchEngine.getName());
+                if (engineInfo == null) return;
+                url = engineInfo.getSearchUriForQuery(url);
+                // mLister.onAction can take it from here without logging
+            }
+            mListener.onAction(url, extra, source);
+        }
+    }
+
+    boolean isSearch(String inUrl) {
+        String url = UrlUtils.fixUrl(inUrl).trim();
+        if (TextUtils.isEmpty(url)) return false;
+
+        if (Patterns.WEB_URL.matcher(url).matches()
+                || UrlUtils.ACCEPTED_URI_SCHEMA.matcher(url).matches()) {
+            return false;
+        }
+        return true;
+    }
+
+    // Completion Listener
+
+    @Override
+    public void onSearch(String search) {
+        mListener.onCopySuggestion(search);
+    }
+
+    @Override
+    public void onSelect(String url, int type, String extra) {
+        finishInput(url, extra, SUGGESTED);
+    }
+
+    @Override
+    public void onItemClick(
+            AdapterView<?> parent, View view, int position, long id) {
+        SuggestItem item = mAdapter.getItem(position);
+        onSelect(SuggestionsAdapter.getSuggestionUrl(item), item.type, item.extra);
+    }
+
+    interface UrlInputListener {
+
+        public void onDismiss();
+
+        public void onAction(String text, String extra, String source);
+
+        public void onCopySuggestion(String text);
+
+    }
+
+    public void setIncognitoMode(boolean incognito) {
+        mIncognitoMode = incognito;
+        mAdapter.setIncognitoMode(mIncognitoMode);
+    }
+
+    @Override
+    public boolean onKeyDown(int keyCode, KeyEvent evt) {
+        if (keyCode == KeyEvent.KEYCODE_ESCAPE && !isInTouchMode()) {
+            finishInput(null, null, null);
+            return true;
+        }
+        return super.onKeyDown(keyCode, evt);
+    }
+
+    public SuggestionsAdapter getAdapter() {
+        return mAdapter;
+    }
+
+    /*
+     * no-op to prevent scrolling of webview when embedded titlebar
+     * gets edited
+     */
+    @Override
+    public boolean requestRectangleOnScreen(Rect rect, boolean immediate) {
+        return false;
+    }
+
+    @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 (StateListener.STATE_HIGHLIGHTED == mState) {
+            changeState(StateListener.STATE_EDITED);
+        }
+    }
+
+    @Override
+    public void afterTextChanged(Editable s) { }
+
+}