[Android] Upstream content detection and ChromeBrowserProvider tests.

content/public/test/android/javatests/src/org/chromium/content/browser/test/util/TouchCommon.java

Index: content/public/test/android/javatests/src/org/chromium/content/browser/test/util/TouchCommon.java
diff --git a/content/public/test/android/javatests/src/org/chromium/content/browser/test/util/TouchCommon.java b/content/public/test/android/javatests/src/org/chromium/content/browser/test/util/TouchCommon.java
new file mode 100644
index 0000000000000000000000000000000000000000..757fd21980f857862e21a21a4475c611537417d6
--- /dev/null
+++ b/content/public/test/android/javatests/src/org/chromium/content/browser/test/util/TouchCommon.java
@@ -0,0 +1,193 @@
+// Copyright (c) 2012 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.content.browser.test.util;
+
+import android.app.Activity;
+import android.os.SystemClock;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewConfiguration;
+
+import org.chromium.content.browser.test.util.UiUtils;
+
+/**
+ * Touch-related functionality reused across test cases.
+ */
+public class TouchCommon {
+    private Activity mActivity;
+
+    public TouchCommon(Activity activity) {
+        mActivity = activity;
+    }
+
+    /**
+     * Starts (synchronously) a drag motion. Normally followed by dragTo() and dragEnd().
+     *
+     * @param x
+     * @param y
+     * @param downTime (in ms)
+     * @see TouchUtils
+     */
+    public void dragStart(float x, float y, long downTime) {
+        MotionEvent event = MotionEvent.obtain(downTime, downTime,
+                MotionEvent.ACTION_DOWN, x, y, 0);
+        dispatchTouchEvent(event);
+    }
+
+    /**
+     * Drags / moves (synchronously) to the specified coordinates. Normally preceeded by
+     * dragStart() and followed by dragEnd()
+     *
+     * @param fromX
+     * @param toX
+     * @param fromY
+     * @param toY
+     * @param stepCount
+     * @param downTime (in ms)
+     * @see TouchUtils
+     */
+    public void dragTo(float fromX, float toX, float fromY,
+            float toY, int stepCount, long downTime) {
+        float x = fromX;
+        float y = fromY;
+        float yStep = (toY - fromY) / stepCount;
+        float xStep = (toX - fromX) / stepCount;
+        for (int i = 0; i < stepCount; ++i) {
+            y += yStep;
+            x += xStep;
+            long eventTime = SystemClock.uptimeMillis();
+            MotionEvent event = MotionEvent.obtain(downTime, eventTime,
+                    MotionEvent.ACTION_MOVE, x, y, 0);
+            dispatchTouchEvent(event);
+        }
+    }
+
+    /**
+     * Finishes (synchronously) a drag / move at the specified coordinate.
+     * Normally preceeded by dragStart() and dragTo().
+     *
+     * @param x
+     * @param y
+     * @param downTime (in ms)
+     * @see TouchUtils
+     */
+    public void dragEnd(float x, float y, long downTime) {
+        long eventTime = SystemClock.uptimeMillis();
+        MotionEvent event = MotionEvent.obtain(downTime, eventTime,
+                MotionEvent.ACTION_UP, x, y, 0);
+        dispatchTouchEvent(event);
+    }
+
+    /**
+     * Sends (synchronously) a single click to an absolute screen coordinates.
+     *
+     * @param x screen absolute
+     * @param y screen absolute
+     * @see TouchUtils
+     */
+    public void singleClick(float x, float y) {
+
+        long downTime = SystemClock.uptimeMillis();
+        long eventTime = SystemClock.uptimeMillis();
+
+        MotionEvent event = MotionEvent.obtain(downTime, eventTime,
+                                               MotionEvent.ACTION_DOWN, x, y, 0);
+        dispatchTouchEvent(event);
+
+        eventTime = SystemClock.uptimeMillis();
+        event = MotionEvent.obtain(downTime, eventTime, MotionEvent.ACTION_UP,
+                                   x, y, 0);
+        dispatchTouchEvent(event);
+    }
+
+    /**
+     * Sends (synchronously) a single click to the View at the specified coordinates.
+     *
+     * @param v The view to be clicked.
+     * @param x Relative x location to v
+     * @param y Relative y location to v
+     */
+    public void singleClickView(View v, int x, int y) {
+        int location[] = getAbsoluteLocationFromRelative(v, x, y);
+        int absoluteX = location[0];
+        int absoluteY = location[1];
+        singleClick(absoluteX, absoluteY);
+    }
+
+    /**
+     * Sends (synchronously) a long press to an absolute screen coordinates.
+     *
+     * @param x screen absolute
+     * @param y screen absolute
+     * @see TouchUtils
+     */
+    public void longPress(float x, float y) {
+
+        long downTime = SystemClock.uptimeMillis();
+        long eventTime = SystemClock.uptimeMillis();
+
+        MotionEvent event = MotionEvent.obtain(downTime, eventTime,
+                                               MotionEvent.ACTION_DOWN, x, y, 0);
+        dispatchTouchEvent(event);
+
+        int longPressTimeout = ViewConfiguration.get(mActivity).getLongPressTimeout();
+
+        // Long press is flaky with just longPressTimeout. Doubling the time to be safe.
+        SystemClock.sleep(longPressTimeout * 2);
+
+        eventTime = SystemClock.uptimeMillis();
+        event = MotionEvent.obtain(downTime, eventTime, MotionEvent.ACTION_UP,
+                                   x, y, 0);
+        dispatchTouchEvent(event);
+    }
+
+    /**
+     * Sends (synchronously) a long press to the View at the specified coordinates.
+     *
+     * @param v The view to be clicked.
+     * @param x Relative x location to v
+     * @param y Relative y location to v
+     */
+    public void longPressView(View v, int x, int y) {
+        int location[] = getAbsoluteLocationFromRelative(v, x, y);
+        int absoluteX = location[0];
+        int absoluteY = location[1];
+        longPress(absoluteX, absoluteY);
+    }
+
+    /**
+     * Send a MotionEvent to the root view of the activity.
+     * @param event
+     */
+    private void dispatchTouchEvent(final MotionEvent event) {
+        final View view = mActivity.findViewById(android.R.id.content).getRootView();
+        try {
+            UiUtils.runOnUiThread(mActivity, new Runnable() {
+                @Override
+                public void run() {
+                    view.dispatchTouchEvent(event);
+                }
+            });
+        } catch(Throwable e) {
+            throw new RuntimeException("Dispatching touch event failed", e);
+        }
+    }
+
+    /**
+     * Returns the absolute location in screen coordinates from location relative
+     * to view.
+     * @param v The view the coordinates are relative to.
+     * @param x Relative x location.
+     * @param y Relative y location.
+     * @return absolute x and y location in an array.
+     */
+    private static int[] getAbsoluteLocationFromRelative(View v, int x, int y) {
+        int location[] = new int[2];
+        v.getLocationOnScreen(location);
+        location[0] += x;
+        location[1] += y;
+        return location;
+    }
+}