Notify selection controller on tab changes.

chrome/browser/renderer_host/render_widget_host_view_views.cc

 // Copyright (c) 2011 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 "chrome/browser/renderer_host/render_widget_host_view_views.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 131 matching lines @@
 
 void RenderWidgetHostViewViews::DidBecomeSelected() {
   if (!is_hidden_)
     return;
 
   if (tab_switch_paint_time_.is_null())
     tab_switch_paint_time_ = base::TimeTicks::Now();
   is_hidden_ = false;
   if (host_)
     host_->WasRestored();
+
+  if (touch_selection_controller_.get()) {

[sky, 2011/08/25 22:54:17]

What happens if the page scrolls before you get here, or the page is relayed
out? Do both of these trigger calls to SelectionChanged?

[varunjain, 2011/08/25 23:49:22]

Yes.. selection_start and end will be updated appropriately in both cases
through SelectionChanged

+    touch_selection_controller_->SelectionChanged(touch_selection_start_,
+                                                  touch_selection_end_);
+  }
 }
 
 void RenderWidgetHostViewViews::WasHidden() {
   if (is_hidden_)
     return;
 
   // If we receive any more paint messages while we are hidden, we want to
   // ignore them so we don't re-allocate the backing store.  We will paint
   // everything again when we become selected again.
   is_hidden_ = true;
 
   // If we have a renderer, then inform it that we are being hidden so it can
   // reduce its resource utilization.
   if (host_)
     host_->WasHidden();
+
+  if (touch_selection_controller_.get())
+    touch_selection_controller_->ClientViewLostFocus();
 }
 
 void RenderWidgetHostViewViews::SetSize(const gfx::Size& size) {
   // This is called when webkit has sent us a Move message.
   int width = std::min(size.width(), kMaxWindowWidth);
   int height = std::min(size.height(), kMaxWindowHeight);
   if (requested_size_.width() != width ||
       requested_size_.height() != height) {
     requested_size_ = gfx::Size(width, height);
     views::View::SetBounds(x(), y(), width, height);
@@ skipping 146 matching lines @@
   if (GetWidget())
     GetWidget()->TooltipTextChanged(this);
 }
 
 void RenderWidgetHostViewViews::SelectionChanged(const std::string& text,
                                                  const ui::Range& range,
                                                  const gfx::Point& start,
                                                  const gfx::Point& end) {
   // TODO(anicolao): deal with the clipboard without GTK
   NOTIMPLEMENTED();
+  touch_selection_start_ = start;
+  touch_selection_end_ = end;
   if (touch_selection_controller_.get())
     touch_selection_controller_->SelectionChanged(start, end);
 }
 
 void RenderWidgetHostViewViews::ShowingContextMenu(bool showing) {
   is_showing_context_menu_ = showing;
 }
 
 BackingStore* RenderWidgetHostViewViews::AllocBackingStore(
     const gfx::Size& size) {
@@ skipping 449 matching lines @@
 
 void RenderWidgetHostViewViews::FinishImeCompositionSession() {
   if (!has_composition_text_)
     return;
   if (host_)
     host_->ImeConfirmComposition();
   DCHECK(GetInputMethod());
   GetInputMethod()->CancelComposition(this);
   has_composition_text_ = false;
 }