Changes the Omnibox input type to SEARCH.

chrome/browser/ui/views/omnibox/omnibox_view_views.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 "chrome/browser/ui/views/omnibox/omnibox_view_views.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 32 matching lines @@
 #include "ui/gfx/selection_model.h"
 #include "ui/views/border.h"
 #include "ui/views/button_drag_utils.h"
 #include "ui/views/controls/textfield/textfield.h"
 #include "ui/views/ime/input_method.h"
 #include "ui/views/layout/fill_layout.h"
 #include "ui/views/views_delegate.h"
 #include "ui/views/widget/widget.h"
 #include "url/gurl.h"
 
+#if defined(OS_WIN)
+#include "base/win/metro.h"
+#include "chrome/browser/browser_process.h"
+#endif
+
 #if defined(USE_AURA)
 #include "ui/aura/focus_manager.h"
 #include "ui/aura/root_window.h"
 #include "ui/compositor/layer.h"
 #endif
 
 namespace {
 
 // Stores omnibox state for each tab.
 struct OmniboxState : public base::SupportsUserData::Data {
@@ skipping 11 matching lines @@
 const char OmniboxState::kKey[] = "OmniboxState";
 
 OmniboxState::OmniboxState(const OmniboxEditModel::State& model_state,
                            const gfx::SelectionModel& selection_model)
     : model_state(model_state),
       selection_model(selection_model) {
 }
 
 OmniboxState::~OmniboxState() {}
 
+// We'd like to set the text input type to TEXT_INPUT_TYPE_URL, because this
+// triggers URL-specific layout in software keyboards, e.g. adding top-level "/"
+// and ".com" keys for English.  However, this also causes IMEs to default to
+// Latin character mode, which makes entering search queries difficult for IME
+// users.  Therefore, we try to guess whether an IME will be used based on the
+// application language, and set the input type accordingly.
+ui::TextInputType DetermineTextInputType() {
+#if defined(OS_WIN)
+  if (base::win::IsTSFAwareRequired()) {
+    DCHECK(g_browser_process);
+    const std::string& locale = g_browser_process->GetApplicationLocale();
+    const std::string& language = locale.substr(0, 2);
+    // Assume CJK + Thai users are using an IME.
+    if (language == "ja" ||
+        language == "ko" ||
+        language == "th" ||
+        language == "zh")
+      return ui::TEXT_INPUT_TYPE_SEARCH;
+  }
+#endif
+  return ui::TEXT_INPUT_TYPE_URL;
+}
+
 bool IsOmniboxAutoCompletionForImeEnabled() {
   return !CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kDisableOmniboxAutoCompletionForIme);
 }
 
 }  // namespace
 
 // static
 const char OmniboxViewViews::kViewClassName[] = "OmniboxViewViews";
 
@@ skipping 29 matching lines @@
   // Explicitly teardown members which have a reference to us.  Just to be safe
   // we want them to be destroyed before destroying any other internal state.
   popup_view_.reset();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // OmniboxViewViews public:
 
 void OmniboxViewViews::Init() {
   SetController(this);
-  SetTextInputType(ui::TEXT_INPUT_TYPE_URL);
+  SetTextInputType(DetermineTextInputType());
   SetBackgroundColor(location_bar_view_->GetColor(
       ToolbarModel::NONE, LocationBarView::BACKGROUND));
 
   if (popup_window_mode_)
     SetReadOnly(true);
 
   // Initialize the popup view using the same font.
   popup_view_.reset(OmniboxPopupContentsView::Create(
       font_list(), this, model(), location_bar_view_));
 
@@ skipping 748 matching lines @@
   const string16 text(GetClipboardText());
   if (!text.empty()) {
     // Record this paste, so we can do different behavior.
     model()->on_paste();
     // Force a Paste operation to trigger the text_changed code in
     // OnAfterPossibleChange(), even if identical contents are pasted.
     text_before_change_.clear();
     InsertOrReplaceText(text);
   }
 }