Limit display of the virtual keyboard to state changes triggered from a user gesture.

content/browser/renderer_host/render_widget_host_view_aura.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/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include "base/auto_reset.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 476 matching lines @@
   software_frame_manager_.reset(new SoftwareFrameManager(
       weak_ptr_factory_.GetWeakPtr()));
 #if defined(OS_WIN)
   plugin_parent_window_ = NULL;
 #endif
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewAura, RenderWidgetHostView implementation:
 
+bool RenderWidgetHostViewAura::OnMessageReceived(
+    const IPC::Message& message) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(RenderWidgetHostViewAura, message)
+    // TODO(kevers): Move to RenderWidgetHostViewImpl and consolidate IPC
+    // messages for TextInput<State|Type>Changed.

[sadrul, 2014/01/10 19:53:21]

Please also mention in the comment that the corresponding code in
RenderWidgetHostViewAndroid should also be moved at the same time.

[kevers, 2014/01/13 16:59:10]

Done.

+    IPC_MESSAGE_HANDLER(ViewHostMsg_TextInputStateChanged,
+                        OnTextInputStateChanged)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
 void RenderWidgetHostViewAura::InitAsChild(
     gfx::NativeView parent_view) {
   window_->Init(ui::LAYER_TEXTURED);
   window_->SetName("RenderWidgetHostViewAura");
 }
 
 void RenderWidgetHostViewAura::InitAsPopup(
     RenderWidgetHostView* parent_host_view,
     const gfx::Rect& bounds_in_screen) {
   popup_parent_host_view_ =
@@ skipping 390 matching lines @@
     text_input_type_ = type;
     text_input_mode_ = input_mode;
     can_compose_inline_ = can_compose_inline;
     if (GetInputMethod())
       GetInputMethod()->OnTextInputTypeChanged(this);
     if (touch_editing_client_)
       touch_editing_client_->OnTextInputTypeChanged(text_input_type_);
   }
 }
 
+void RenderWidgetHostViewAura::OnTextInputStateChanged(
+    const ViewHostMsg_TextInputState_Params& params) {
+  if (params.show_ime_if_needed && params.type != ui::TEXT_INPUT_TYPE_NONE) {
+    if (GetInputMethod())
+      GetInputMethod()->ShowImeIfNeeded();
+  }
+}
+
 void RenderWidgetHostViewAura::ImeCancelComposition() {
   if (GetInputMethod())
     GetInputMethod()->CancelComposition(this);
   has_composition_text_ = false;
 }
 
 void RenderWidgetHostViewAura::ImeCompositionRangeChanged(
     const gfx::Range& range,
     const std::vector<gfx::Rect>& character_bounds) {
   composition_character_bounds_ = character_bounds;
@@ skipping 2584 matching lines @@
     RenderWidgetHost* widget) {
   return new RenderWidgetHostViewAura(widget);
 }
 
 // static
 void RenderWidgetHostViewPort::GetDefaultScreenInfo(WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }
 
 }  // namespace content