New accessibility virtual keyboard behavior in non-sticky mode.

ui/views/controls/textfield/textfield.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 "ui/views/controls/textfield/textfield.h"
 
 #include <string>
 #include <utility>
 
+#include "base/command_line.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "ui/accessibility/ax_view_state.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"
 #include "ui/base/dragdrop/drag_drop_types.h"
 #include "ui/base/dragdrop/drag_utils.h"
 #include "ui/base/ime/input_method.h"
 #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"
 #include "ui/display/display.h"
 #include "ui/display/screen.h"
 #include "ui/events/base_event_utils.h"
 #include "ui/events/event.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/geometry/insets.h"
@@ skipping 1403 matching lines @@
   gfx::Range range = GetRenderText()->selection();
   DCHECK_GE(range.start(), before);
 
   range.set_start(range.start() - before);
   range.set_end(range.end() + after);
   gfx::Range text_range;
   if (GetTextRange(&text_range) && text_range.Contains(range))
     DeleteRange(range);
 }
 
-void Textfield::EnsureCaretInRect(const gfx::Rect& rect) {}
+void Textfield::EnsureCaretInRect(const gfx::Rect& rect) {
+#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;
+
+  aura::Window* top_level_window = GetNativeView()->GetToplevelWindow();
+  if (rect != screen->GetPrimaryDisplay().bounds()) {
+    // Calculate vertical window shift.
+    gfx::Rect window_bounds = top_level_window->GetBoundsInRootWindow();
+    int vertical_displacement =
+        std::max(0, window_bounds.bottom() - rect.bottom());
+    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()));
+    }
+  } else {
+    // Restore if necessary
+    OnClientFocusLost();
+  }
+#endif
+}
+
+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
+}
 
 bool Textfield::IsTextEditCommandEnabled(ui::TextEditCommand command) const {
   base::string16 result;
   bool editable = !read_only();
   bool readable = text_input_type_ != ui::TEXT_INPUT_TYPE_PASSWORD;
   switch (command) {
     case ui::TextEditCommand::DELETE_BACKWARD:
     case ui::TextEditCommand::DELETE_FORWARD:
     case ui::TextEditCommand::DELETE_TO_BEGINNING_OF_LINE:
     case ui::TextEditCommand::DELETE_TO_BEGINNING_OF_PARAGRAPH:
@@ skipping 569 matching lines @@
     RequestFocus();
   model_->MoveCursorTo(mouse);
   if (!selection_clipboard_text.empty()) {
     model_->InsertText(selection_clipboard_text);
     UpdateAfterChange(true, true);
   }
   OnAfterUserAction();
 }
 
 }  // namespace views