Customized text selection action mode. (f4dceb19) · Commits · e / os / android_frameworks_base

api/current.xml

+25 −1

Original line number	Diff line number	Diff line
		@@ -246622,6 +246622,17 @@
		visibility="public"
		>
		</method>
		<method name="getCustomSelectionActionModeCallback"
		return="android.view.ActionMode.Callback"
		abstract="false"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		</method>
		<method name="getDefaultEditable"
		return="boolean"
		abstract="false"
		@@ -247420,6 +247431,19 @@
		<parameter name="visible" type="boolean">
		</parameter>
		</method>
		<method name="setCustomSelectionActionModeCallback"
		return="void"
		abstract="false"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<parameter name="actionModeCallback" type="android.view.ActionMode.Callback">
		</parameter>
		</method>
		<method name="setEditableFactory"
		return="void"
		abstract="false"
		@@ -250067,7 +250091,7 @@
		deprecated="not deprecated"
		visibility="public"
		>
		<parameter name="arg0" type="T">
		<parameter name="t" type="T">
		</parameter>
		</method>
		</interface>

core/java/android/widget/TextView.java

+69 −28

Original line number	Diff line number	Diff line
		@@ -89,6 +89,7 @@ import android.util.FloatMath;
		import android.util.Log;
		import android.util.TypedValue;
		import android.view.ActionMode;
		import android.view.ActionMode.Callback;
		import android.view.ContextMenu;
		import android.view.DragEvent;
		import android.view.Gravity;
		@@ -314,6 +315,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		Drawable mSelectHandleCenter;

		private int mLastDownPositionX, mLastDownPositionY;
		private Callback mCustomSelectionActionModeCallback;

		/*
		* Kick-start the font cache for the zygote process (to pay the cost of
		@@ -6869,7 +6871,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		}

		if (mSelectAllOnFocus) {
		Selection.setSelection((Spannable) mText, 0, mText.length());
		selectAll();
		}

		mTouchFocusSelected = true;
		@@ -7401,11 +7403,9 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		return false;
		}

		if (mText.length() > 0 && hasSelection()) {
		if (mText instanceof Editable && mInput != null) {
		if (mText.length() > 0 && hasSelection() && mText instanceof Editable && mInput != null) {
		return true;
		}
		}

		return false;
		}
		@@ -7524,13 +7524,17 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		return (int) (range & 0x00000000FFFFFFFFL);
		}

		private void selectAll() {
		Selection.setSelection((Spannable) mText, 0, mText.length());
		}

		private void selectCurrentWord() {
		if (hasPasswordTransformationMethod()) {
		// selectCurrentWord is not available on a password field and would return an
		// arbitrary 10-charater selection around pressed position. Select all instead.
		// Note that cut/copy menu entries are not available for passwords.
		// This is however useful to delete or paste to replace the entire content.
		Selection.setSelection((Spannable) mText, 0, mText.length());
		selectAll();
		return;
		}

		@@ -7862,16 +7866,36 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		}

		/**
		* Provides the callback used to start a selection action mode.
		* If provided, this ActionMode.Callback will be used to create the ActionMode when text
		* selection is initiated in this View.
		*
		* The standard implementation populates the menu with a subset of Select All, Cut, Copy and
		* Paste actions, depending on what this View supports.
		*
		* @return A callback instance that will be used to start selection mode, or null if selection
		* mode is not available.
		* A custom implementation can add new entries in the default menu in its
		* {@link ActionMode.Callback#onPrepareActionMode(ActionMode, Menu)} method. The default actions
		* can also be removed from the menu using {@link Menu#removeItem(int)} and passing
		* {@link android.R.id#selectAll}, {@link android.R.id#cut}, {@link android.R.id#copy} or
		* {@link android.R.id#paste} ids as parameters.
		*
		* Action click events should be handled by the custom implementation of
		* {@link ActionMode.Callback#onActionItemClicked(ActionMode, MenuItem)}.
		*
		* Note that text selection mode is not started when a TextView receives focus and the
		* {@link android.R.attr#selectAllOnFocus} flag has been set. The content is highlighted in
		* that case, to allow for quick replacement.
		*/
		private ActionMode.Callback getActionModeCallback() {
		if (canSelectText()) {
		return new SelectionActionModeCallback();
		public void setCustomSelectionActionModeCallback(ActionMode.Callback actionModeCallback) {
		mCustomSelectionActionModeCallback = actionModeCallback;
		}
		return null;

		/**
		* Retrieves the value set in {@link #setCustomSelectionActionModeCallback}. Default is null.
		*
		* @return The current custom selection callback.
		*/
		public ActionMode.Callback getCustomSelectionActionModeCallback() {
		return mCustomSelectionActionModeCallback;
		}

		/**
		@@ -7884,7 +7908,8 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		return false;
		}

		ActionMode.Callback actionModeCallback = getActionModeCallback();
		selectCurrentWord();
		ActionMode.Callback actionModeCallback = new SelectionActionModeCallback();
		if (actionModeCallback != null) {
		mSelectionActionMode = startActionMode(actionModeCallback);
		return mSelectionActionMode != null;
		@@ -7950,6 +7975,12 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		sLastCutOrCopyTime = SystemClock.uptimeMillis();
		}

		/**
		* An ActionMode Callback class that is used to provide actions while in text selection mode.
		*
		* The default callback provides a subset of Select All, Cut, Copy and Paste actions, depending
		* on which of these this TextView supports.
		*/
		private class SelectionActionModeCallback implements ActionMode.Callback {

		@Override
		@@ -7968,48 +7999,47 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		mode.setTitle(mContext.getString(com.android.internal.R.string.textSelectionCABTitle));
		mode.setSubtitle(null);

		boolean atLeastOne = false;

		if (canSelectText()) {
		selectCurrentWord();

		menu.add(0, ID_SELECT_ALL, 0, com.android.internal.R.string.selectAll).
		setAlphabeticShortcut('a').
		setShowAsAction(
		MenuItem.SHOW_AS_ACTION_ALWAYS \| MenuItem.SHOW_AS_ACTION_WITH_TEXT);
		atLeastOne = true;
		}

		if (canCut()) {
		menu.add(0, ID_CUT, 0, com.android.internal.R.string.cut).
		setIcon(styledAttributes.getResourceId(R.styleable.Theme_actionModeCutDrawable, 0)).
		setIcon(styledAttributes.getResourceId(
		R.styleable.Theme_actionModeCutDrawable, 0)).
		setAlphabeticShortcut('x').
		setShowAsAction(
		MenuItem.SHOW_AS_ACTION_ALWAYS \| MenuItem.SHOW_AS_ACTION_WITH_TEXT);
		atLeastOne = true;
		}

		if (canCopy()) {
		menu.add(0, ID_COPY, 0, com.android.internal.R.string.copy).
		setIcon(styledAttributes.getResourceId(R.styleable.Theme_actionModeCopyDrawable, 0)).
		setIcon(styledAttributes.getResourceId(
		R.styleable.Theme_actionModeCopyDrawable, 0)).
		setAlphabeticShortcut('c').
		setShowAsAction(
		MenuItem.SHOW_AS_ACTION_ALWAYS \| MenuItem.SHOW_AS_ACTION_WITH_TEXT);
		atLeastOne = true;
		}

		if (canPaste()) {
		menu.add(0, ID_PASTE, 0, com.android.internal.R.string.paste).
		setIcon(styledAttributes.getResourceId(R.styleable.Theme_actionModePasteDrawable, 0)).
		setIcon(styledAttributes.getResourceId(
		R.styleable.Theme_actionModePasteDrawable, 0)).
		setAlphabeticShortcut('v').
		setShowAsAction(
		MenuItem.SHOW_AS_ACTION_ALWAYS \| MenuItem.SHOW_AS_ACTION_WITH_TEXT);
		atLeastOne = true;
		}

		styledAttributes.recycle();

		if (atLeastOne) {
		if (mCustomSelectionActionModeCallback != null) {
		mCustomSelectionActionModeCallback.onCreateActionMode(mode, menu);
		}

		if (menu.hasVisibleItems() \|\| mode.getCustomView() != null) {
		getSelectionController().show();
		return true;
		} else {
		@@ -8019,15 +8049,23 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener

		@Override
		public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
		if (mCustomSelectionActionModeCallback != null) {
		return mCustomSelectionActionModeCallback.onPrepareActionMode(mode, menu);
		}
		return true;
		}

		@Override
		public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
		if (mCustomSelectionActionModeCallback != null &&
		mCustomSelectionActionModeCallback.onActionItemClicked(mode, item)) {
		return true;
		}

		final int itemId = item.getItemId();

		if (itemId == ID_SELECT_ALL) {
		Selection.setSelection((Spannable) mText, 0, mText.length());
		selectAll();
		// Update controller positions after selection change.
		if (hasSelectionController()) {
		getSelectionController().show();
		@@ -8070,6 +8108,9 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener

		@Override
		public void onDestroyActionMode(ActionMode mode) {
		if (mCustomSelectionActionModeCallback != null) {
		mCustomSelectionActionModeCallback.onDestroyActionMode(mode);
		}
		Selection.setSelection((Spannable) mText, getSelectionStart());
		hideSelectionModifierCursorController();
		mSelectionActionMode = null;