Enable touch based selection and editing for webpages behind a flag.

content/renderer/render_view_impl.cc

 // 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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 722 matching lines @@
   webview()->setDeviceScaleFactor(device_scale_factor_);
   webview()->settings()->setAcceleratedCompositingForFixedPositionEnabled(
       ShouldUseFixedPositionCompositing(device_scale_factor_));
 
   webkit_preferences_.Apply(webview());
   webview()->initializeMainFrame(this);
 
   if (command_line.HasSwitch(switches::kEnableTouchDragDrop))
     webview()->settings()->setTouchDragDropEnabled(true);
 
+  if (command_line.HasSwitch(switches::kEnableTouchEditing))
+    webview()->settings()->setTouchEditingEnabled(true);
+
   if (!params->frame_name.empty())
     webview()->mainFrame()->setName(params->frame_name);
   webview()->settings()->setMinimumTimerInterval(
       is_hidden() ? webkit_glue::kBackgroundTabTimerInterval :
           webkit_glue::kForegroundTabTimerInterval);
 
   OnSetRendererPrefs(params->renderer_prefs);
 
 #if defined(ENABLE_WEBRTC)
   if (!media_stream_dispatcher_)
@@ skipping 1428 matching lines @@
 
 void RenderViewImpl::didExecuteCommand(const WebString& command_name) {
   const std::string& name = UTF16ToUTF8(command_name);
   if (StartsWithASCII(name, "Move", true) ||
       StartsWithASCII(name, "Insert", true) ||
       StartsWithASCII(name, "Delete", true))
     return;
   RenderThreadImpl::current()->RecordUserMetrics(name);
 }
 
+void RenderViewImpl::didChangeTouchEditingHandleVisibility(bool visible) {
+  Send(new ViewHostMsg_TouchEditingHandlesVisibilityChanged(
+      routing_id(), visible));
+}
+
 bool RenderViewImpl::handleCurrentKeyboardEvent() {
   if (edit_commands_.empty())
     return false;
 
   WebFrame* frame = webview()->focusedFrame();
   if (!frame)
     return false;
 
   EditCommands::iterator it = edit_commands_.begin();
   EditCommands::iterator end = edit_commands_.end();
@@ skipping 2576 matching lines @@
       range.set_end(range.start() + text.length());
     }
   }
 
   // Sometimes we get repeated didChangeSelection calls from webkit when
   // the selection hasn't actually changed. We don't want to report these
   // because it will cause us to continually claim the X clipboard.
   if (selection_text_offset_ != offset ||
       selection_range_ != range ||
       selection_text_ != text) {
+    webview()->updateTouchEditing();
     selection_text_ = text;
     selection_text_offset_ = offset;
     selection_range_ = range;
     Send(new ViewHostMsg_SelectionChanged(routing_id_, text, offset, range));
   }
 }
 
 GURL RenderViewImpl::GetAlternateErrorPageURL(const GURL& failed_url,
                                               ErrorPageType error_type) {
   if (failed_url.SchemeIsSecure()) {
@@ skipping 1878 matching lines @@
   TransportDIB* dib = TransportDIB::CreateWithHandle(dib_handle);
   RenderProcess::current()->ReleaseTransportDIB(dib);
 }
 
 void RenderViewImpl::DidCommitCompositorFrame() {
   RenderWidget::DidCommitCompositorFrame();
   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
 }
 
 }  // namespace content