From 8111ace8860f79c6b7ece2c408a3f80a0762b09b Mon Sep 17 00:00:00 2001
From: John Reck <jreck@google.com>
Date: Wed, 31 Aug 2011 17:01:41 -0700
Subject: Allow native to query selection region

 Bug: 5224394
 Bug: 5208328

Change-Id: I2141ad80a78f717e3005740285661cd1f558dfca
---
 Source/WebKit/android/nav/SelectText.cpp | 10 ++++++++++
 Source/WebKit/android/nav/SelectText.h   |  1 +
 Source/WebKit/android/nav/WebView.cpp    | 15 +++++++++++++++
 3 files changed, 26 insertions(+)

(limited to 'Source/WebKit/android')

diff --git a/Source/WebKit/android/nav/SelectText.cpp b/Source/WebKit/android/nav/SelectText.cpp
index c56c53c..7d18d5d 100644
--- a/Source/WebKit/android/nav/SelectText.cpp
+++ b/Source/WebKit/android/nav/SelectText.cpp
@@ -1475,6 +1475,16 @@ static void addEnd(SkRegion* diff, const SkIRect& rect)
     diff->op(bounds, SkRegion::kUnion_Op);
 }
 
+void SelectText::getSelectionRegion(const IntRect& vis, SkRegion *region)
+{
+    SkIRect ivisBounds = vis;
+    ivisBounds.join(m_selStart);
+    ivisBounds.join(m_selEnd);
+    region->setEmpty();
+    buildSelection(*m_picture, ivisBounds, m_selStart, m_startBase,
+        m_selEnd, m_endBase, region);
+}
+
 void SelectText::drawSelectionRegion(SkCanvas* canvas, IntRect* inval)
 {
     if (!m_picture)
diff --git a/Source/WebKit/android/nav/SelectText.h b/Source/WebKit/android/nav/SelectText.h
index de577ac..272cfd1 100644
--- a/Source/WebKit/android/nav/SelectText.h
+++ b/Source/WebKit/android/nav/SelectText.h
@@ -57,6 +57,7 @@ public:
     void setExtendSelection(bool extend) { m_extendSelection = extend; }
     bool startSelection(const CachedRoot* , const IntRect& vis, int x, int y);
     bool wordSelection(const CachedRoot* , const IntRect& vis, int x, int y);
+    void getSelectionRegion(const IntRect& vis, SkRegion *region);
 public:
     float m_inverseScale; // inverse scale, x, y used for drawing select path
     int m_selectX;
diff --git a/Source/WebKit/android/nav/WebView.cpp b/Source/WebKit/android/nav/WebView.cpp
index 945a785..5cf9953 100644
--- a/Source/WebKit/android/nav/WebView.cpp
+++ b/Source/WebKit/android/nav/WebView.cpp
@@ -1482,6 +1482,11 @@ void setBaseLayer(BaseLayerAndroid* layer, SkRegion& inval, bool showVisualIndic
     root->setRootLayer(compositeRoot());
 }
 
+void getTextSelectionRegion(SkRegion *region)
+{
+    m_selectText.getSelectionRegion(getVisibleRect(), region);
+}
+
 void replaceBaseContent(PictureSet* set)
 {
     if (!m_baseLayer)
@@ -1910,6 +1915,14 @@ static void nativeSetBaseLayer(JNIEnv *env, jobject obj, jint layer, jobject inv
                                             registerPageSwapCallback);
 }
 
+static void nativeGetTextSelectionRegion(JNIEnv *env, jobject obj, jobject region)
+{
+    if (!region)
+        return;
+    SkRegion* nregion = GraphicsJNI::getNativeRegion(env, region);
+    GET_NATIVE_VIEW(env, obj)->getTextSelectionRegion(nregion);
+}
+
 static BaseLayerAndroid* nativeGetBaseLayer(JNIEnv *env, jobject obj)
 {
     return GET_NATIVE_VIEW(env, obj)->getBaseLayer();
@@ -2794,6 +2807,8 @@ static JNINativeMethod gJavaWebViewMethods[] = {
         (void*) nativeSetHeightCanMeasure },
     { "nativeSetBaseLayer", "(ILandroid/graphics/Region;ZZZ)V",
         (void*) nativeSetBaseLayer },
+    { "nativeGetTextSelectionRegion", "(Landroid/graphics/Region;)V",
+        (void*) nativeGetTextSelectionRegion },
     { "nativeGetBaseLayer", "()I",
         (void*) nativeGetBaseLayer },
     { "nativeReplaceBaseContent", "(I)V",
-- 
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