New accessibility virtual keyboard behavior in non-sticky mode.

ui/views/controls/textfield/textfield.cc

Index: ui/views/controls/textfield/textfield.cc
diff --git a/ui/views/controls/textfield/textfield.cc b/ui/views/controls/textfield/textfield.cc
index 2bb3e822ca82468a0d386dc9980f1f4b756353e6..dda8366a6986a22d2cd5f34c0de64b5673cfbe51 100644
--- a/ui/views/controls/textfield/textfield.cc
+++ b/ui/views/controls/textfield/textfield.cc
@@ -7,11 +7,14 @@
 #include <string>
 #include <utility>
 
+#include "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "ui/accessibility/ax_action_data.h"
 #include "ui/accessibility/ax_node_data.h"
+#include "ui/aura/client/aura_constants.h"
+#include "ui/aura/window.h"
 #include "ui/base/clipboard/scoped_clipboard_writer.h"
 #include "ui/base/cursor/cursor.h"
 #include "ui/base/default_style.h"
@@ -21,6 +24,7 @@
 #include "ui/base/ime/text_edit_commands.h"
 #include "ui/base/material_design/material_design_controller.h"
 #include "ui/base/resource/resource_bundle.h"
+#include "ui/base/ui_base_switches.h"
 #include "ui/base/ui_base_switches_util.h"
 #include "ui/compositor/canvas_painter.h"
 #include "ui/compositor/scoped_animation_duration_scale_mode.h"
@@ -1440,7 +1444,67 @@ void Textfield::ExtendSelectionAndDelete(size_t before, size_t after) {
     DeleteRange(range);
 }
 
-void Textfield::EnsureCaretNotInRect(const gfx::Rect& rect) {}
+void Textfield::EnsureCaretNotInRect(const gfx::Rect& rect) {
+#if defined(OS_CHROMEOS)
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+          ::switches::kUseNewVirtualKeyboardBehavior))
+    return;
+
+  const gfx::Rect hiding_area_in_this_window(
+      gfx::IntersectRects(rect, GetNativeView()->GetBoundsInScreen()));
+  if (hiding_area_in_this_window.IsEmpty()) {
+    // The window isn't covered by the keyboad, restore the window position if
+    // necessary
+    OnClientFocusLost();
+    return;
+  }
+
+  aura::Window* top_level_window = GetNativeView()->GetToplevelWindow();
+  // Calculate vertical window shift.
+  gfx::Rect visible_area_in_this_window(gfx::SubtractRects(
+      GetNativeView()->GetBoundsInScreen(), hiding_area_in_this_window));
+  const int vertical_displacement =
+      std::max(0, top_level_window->GetBoundsInScreen().bottom() -
+                      visible_area_in_this_window.bottom());
+  const gfx::Rect window_bounds = top_level_window->GetBoundsInRootWindow();
+  const int shift = std::min(vertical_displacement, window_bounds.y());
+
+  // Set restore bounds and move window.
+  if (shift > 0) {
+    gfx::Point origin(window_bounds.x(), window_bounds.y() - shift);
+    top_level_window->SetProperty(
+        aura::client::kVirtualKeyboardRestoreBoundsKey,
+        new gfx::Rect(window_bounds));
+    top_level_window->SetBounds(gfx::Rect(origin, window_bounds.size()));
+  }
+#endif  // defined(OS_CHROMEOS)
+}
+
+void Textfield::OnClientFocusLost() {
+#if defined(OS_CHROMEOS)
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+          ::switches::kUseNewVirtualKeyboardBehavior))
+    return;
+
+  // Only windows in primary display should be moved by virtual keyboard.
+  display::Screen* screen = display::Screen::GetScreen();
+  if (screen->GetPrimaryDisplay().id() !=
+      screen->GetDisplayNearestWindow(GetNativeView()).id())
+    return;
+
+  // Get restore bounds of window.
+  aura::Window* top_level_window = GetNativeView()->GetToplevelWindow();
+  gfx::Rect* vk_restore_bounds = top_level_window->GetProperty(
+      aura::client::kVirtualKeyboardRestoreBoundsKey);
+
+  if (vk_restore_bounds) {
+    // Restore window.
+    top_level_window->SetBounds(*vk_restore_bounds);
+    top_level_window->ClearProperty(
+        aura::client::kVirtualKeyboardRestoreBoundsKey);
+  }
+#endif  // defined(OS_CHROMEOS)
+}
 
 bool Textfield::IsTextEditCommandEnabled(ui::TextEditCommand command) const {
   base::string16 result;