[Remoting Android] Placeholder for DesktopView

remoting/android/java/src/org/chromium/chromoting/DesktopViewInterface.java

-// 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.chromoting;
-
-import android.graphics.Point;
-
-import org.chromium.chromoting.jni.Client;
-
-/**
- * Callback interface to allow the TouchInputHandler to request actions on the DesktopView.
- */
-public interface DesktopViewInterface {
-    /**
-     * Initializes the instance. Implementations can assume this function will be called exactly
-     * once after constructor but before other functions.
-     */
-    void init(Desktop desktop, Client client);
-
-    /** Triggers a brief animation to indicate the existence and location of an input event. */
-    void showInputFeedback(DesktopView.InputFeedbackType feedbackToShow, Point pos);
-
-    /** Shows the action bar. */
-    void showActionBar();
-
-    /** Shows the software keyboard. */
-    void showKeyboard();
-
-    /**
-     * Informs the view that its transformation matrix (for rendering the remote desktop bitmap)
-     * has been changed by the TouchInputHandler, which requires repainting.
-     */
-    void transformationChanged();
-
-    /**
-     * Informs the view that the cursor has been moved by the TouchInputHandler, which requires
-     * repainting.
-     */
-    void cursorMoved();
-
-    /**
-     * Informs the view that the cursor visibility has been changed (for different input mode) by
-     * the TouchInputHandler, which requires repainting.
-     */
-    void cursorVisibilityChanged();
-
-    /**
-     * Starts or stops an animation. Whilst the animation is running, the DesktopView will
-     * periodically call TouchInputHandler.processAnimation() and repaint itself.
-     */
-    void setAnimationEnabled(boolean enabled);
-
-    /**
-     * An {@link Event} which is triggered when the view is being painted. Adding handlers to this
-     * event causes painting to be triggered continuously until they are all removed.
-     */
-    Event<PaintEventParameter> onPaint();
-
-    /** An {@link Event} which is triggered when the client size is changed. */
-    Event<SizeChangedEventParameter> onClientSizeChanged();
-
-    /** An {@link Event} which is triggered when the host size is changed. */
-    Event<SizeChangedEventParameter> onHostSizeChanged();
-
-    /** An {@link Event} which is triggered when user touchs the screen. */
-    Event<TouchEventParameter> onTouch();
-}