Add FindInPageBridge

chrome/android/java/src/org/chromium/chrome/browser/findinpage/FindInPageBridge.java

Index: chrome/android/java/src/org/chromium/chrome/browser/findinpage/FindInPageBridge.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/findinpage/FindInPageBridge.java b/chrome/android/java/src/org/chromium/chrome/browser/findinpage/FindInPageBridge.java
new file mode 100644
index 0000000000000000000000000000000000000000..e90b267e3c3eb3c4f4266e524fc868b7544bd786
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/findinpage/FindInPageBridge.java
@@ -0,0 +1,84 @@
+// Copyright 2014 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.findinpage;
+
+import org.chromium.content_public.browser.WebContents;
+
+/**
+ * Allows issuing find in page related requests for a given WebContents.
+ */
+public class FindInPageBridge {
+    private final WebContents mWebContents;
+    private long mNativeFindInPageBridge;
+
+    public FindInPageBridge(WebContents webContents) {
+        assert webContents != null;
+        mWebContents = webContents;
+        mNativeFindInPageBridge = nativeInit(webContents);
+    }
+
+    /**
+     * Destroys this instance so no further calls can be executed.
+     */
+    public void destroy() {
+        nativeDestroy(mNativeFindInPageBridge);
+        mNativeFindInPageBridge = 0;
+    }
+
+    /**
+     * Starts the find operation by calling StartFinding on the ChromeTab.
+     * This function does not block while a search is in progress.
+     * Set a listener using setFindResultListener to receive the results.
+     */
+    public void startFinding(String searchString, boolean forwardDirection, boolean caseSensitive) {
+        assert mNativeFindInPageBridge != 0;
+        nativeStartFinding(mNativeFindInPageBridge, searchString, forwardDirection, caseSensitive);
+    }
+
+    /** Stops the current find operation. */
+    public void stopFinding() {
+        assert mNativeFindInPageBridge != 0;
+        nativeStopFinding(mNativeFindInPageBridge);
+    }
+
+    /** Returns the most recent find text before the current one. */
+    public String getPreviousFindText() {
+        assert mNativeFindInPageBridge != 0;
+        return nativeGetPreviousFindText(mNativeFindInPageBridge);
+    }
+
+    /** Asks the renderer to send the bounding boxes of current find matches. */
+    public void requestFindMatchRects(int currentVersion) {
+        assert mNativeFindInPageBridge != 0;
+        nativeRequestFindMatchRects(mNativeFindInPageBridge, currentVersion);
+    }
+
+    /**
+     * Selects and zooms to the nearest find result to the point (x,y),
+     * where x and y are fractions of the content document's width and height.
+     */
+    public void activateNearestFindResult(float x, float y) {
+        assert mNativeFindInPageBridge != 0;
+        nativeActivateNearestFindResult(mNativeFindInPageBridge, x, y);
+    }
+
+    private native long nativeInit(WebContents webContents);
+
+    private native void nativeDestroy(long nativeFindInPageBridge);
+
+    private native void nativeStartFinding(long nativeFindInPageBridge, String searchString,
+            boolean forwardDirection, boolean caseSensitive);
+
+    private native void nativeStopFinding(long nativeFindInPageBridge);
+
+    private native String nativeGetPreviousFindText(long nativeFindInPageBridge);
+
+    private native void nativeRequestFindMatchRects(
+            long nativeFindInPageBridge, int currentVersion);
+
+    private native void nativeActivateNearestFindResult(
+            long nativeFindInPageBridge, float x, float y);
+
+}