[Android] Select text when stylus first button is pressed.

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index 51ac5fc2272a4b3315e25097a99b172785ed7826..8c57a111448ca6b813a059832927160d67310e78 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -194,7 +194,8 @@ RenderWidgetHostViewAndroid::RenderWidgetHostViewAndroid(
                                         widget_host->GetRoutingID()) != NULL),
       frame_evictor_(new DelegatedFrameEvictor(this)),
       locks_on_frame_count_(0),
-      observing_root_window_(false) {
+      observing_root_window_(false),
+      gesture_text_selector_(new GestureTextSelector(this)) {
   host_->SetView(this);
   SetContentViewCore(content_view_core);
   ImageTransportFactoryAndroid::AddObserver(this);
@@ -558,6 +559,11 @@ bool RenderWidgetHostViewAndroid::OnTouchEvent(
   if (!gesture_provider_.OnTouchEvent(event))
     return false;
 
+  if (gesture_text_selector_->OnTouchEvent(event)) {
+    gesture_provider_.OnTouchEventAck(false);
+    return true;
+  }
+
   // Short-circuit touch forwarding if no touch handlers exist.
   if (!host_->ShouldForwardTouchEvent()) {
     const bool event_consumed = false;
@@ -1287,6 +1293,9 @@ void RenderWidgetHostViewAndroid::RunAckCallbacks() {
 
 void RenderWidgetHostViewAndroid::OnGestureEvent(
     const ui::GestureEventData& gesture) {
+  if (gesture_text_selector_->OnGestureEvent(gesture)) {

[jdduke (slow), 2014/06/24 15:38:37]

Nit: No braces necessary (just add a line break).

[Changwan Ryu, 2014/06/25 07:26:21]

Done.

+    return;
+  }
   SendGestureEvent(CreateWebGestureEventFromGestureEventData(gesture));
 }
 
@@ -1434,6 +1443,32 @@ SkBitmap::Config RenderWidgetHostViewAndroid::PreferredReadbackFormat() {
   return SkBitmap::kARGB_8888_Config;
 }
 
+void RenderWidgetHostViewAndroid::ShowSelectionHandlesAutomatically() {
+  if (content_view_core_)
+    content_view_core_->ShowSelectionHandlesAutomatically();
+}
+
+void RenderWidgetHostViewAndroid::SelectRange(
+    float x1, float y1, float x2, float y2) {
+  if (content_view_core_)
+    static_cast<WebContentsImpl*>(content_view_core_->GetWebContents())->

[jdduke (slow), 2014/06/24 15:38:37]

We'll want to ask sievers@ or aelias@ about WebContentsImpl usage here, I had
thought we used WebContents directly in RWHVAndroid, but it looks like this is
the first such usage.  

[Changwan Ryu, 2014/06/25 07:26:21]

Added a TODO

+        SelectRange(gfx::Point(x1, y1), gfx::Point(x2, y2));
+}
+
+void RenderWidgetHostViewAndroid::SelectWord(float x, float y) {
+  if (host_) {
+    host_->MoveCaret(gfx::Point(x, y));
+    RenderViewHost* render_view_host = RenderViewHost::From(host_);
+    if (render_view_host)
+      render_view_host->SelectWordAroundCaret();
+  }
+}
+
+void RenderWidgetHostViewAndroid::Unselect() {
+  if (content_view_core_)
+    content_view_core_->GetWebContents()->Unselect();
+}
+
 // static
 void RenderWidgetHostViewBase::GetDefaultScreenInfo(
     blink::WebScreenInfo* results) {