Add action for each button on opt-in IME menu.

chrome/browser/chromeos/input_method/input_method_manager_impl.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/chromeos/input_method/input_method_manager_impl.h"
 
 #include <stdint.h>
 
 #include <algorithm>  // std::find
 #include <memory>
 #include <set>
 #include <sstream>
 #include <utility>
 
+#include "ash/shell.h"
 #include "base/bind.h"
+#include "base/feature_list.h"
 #include "base/hash.h"
 #include "base/location.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/sparse_histogram.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/sys_info.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/input_method/candidate_window_controller.h"
 #include "chrome/browser/chromeos/input_method/component_extension_ime_manager_impl.h"
 #include "chrome/browser/chromeos/input_method/input_method_switch_recorder.h"
 #include "chrome/browser/chromeos/language_preferences.h"
 #include "chrome/browser/chromeos/login/session/user_session_manager.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/ash/ash_util.h"
+#include "chrome/common/chrome_features.h"
 #include "chrome/common/pref_names.h"
 #include "components/prefs/pref_service.h"
 #include "components/user_manager/user_manager.h"
 #include "third_party/icu/source/common/unicode/uloc.h"
 #include "ui/base/accelerators/accelerator.h"
 #include "ui/base/ime/chromeos/component_extension_ime_manager.h"
 #include "ui/base/ime/chromeos/extension_ime_util.h"
 #include "ui/base/ime/chromeos/fake_ime_keyboard.h"
 #include "ui/base/ime/chromeos/ime_keyboard.h"
 #include "ui/base/ime/chromeos/input_method_delegate.h"
@@ skipping 1163 matching lines @@
   if (is_ime_menu_activated_ == state_->menu_activated)
     return;
 
   is_ime_menu_activated_ = state_->menu_activated;
   FOR_EACH_OBSERVER(InputMethodManager::ImeMenuObserver, ime_menu_observers_,
                     ImeMenuActivationChanged(is_ime_menu_activated_));
   UMA_HISTOGRAM_BOOLEAN("InputMethod.ImeMenu.ActivationChanged",
                         is_ime_menu_activated_);
 }
 
+void InputMethodManagerImpl::OverrideKeyboardUrlRef(const std::string& keyset) {
+  GURL url = keyboard::GetOverrideContentUrl();
+
+  // If fails to find ref or tag "id" in the ref, it means the current IME is
+  // not system IME, and we don't support show emoji, handwriting or voice
+  // input for such IME extension.
+  if (!url.has_ref())
+    return;
+  std::string overridden_ref = url.ref();
+  auto i = overridden_ref.find("id");
+  if (i == std::string::npos)
+    return;
+
+  // If |keyset| is empty, it indicates that we should override the url back

[Shu Chen, 2016/09/19 06:02:10]

Suggest to move this comment to the interface definition in
input_method_manager.h.

[Azure Wei, 2016/09/19 08:07:19]

Done.

+  // with the keyboard keyset.
+  if (keyset.empty()) {
+    keyboard::SetOverrideContentUrl(
+        GetActiveIMEState()->GetCurrentInputMethod().input_view_url());
+    return;
+  }
+
+  // For system IME extension, the input view url is overridden as:
+  // chrome-extension://${extension_id}/inputview.html#id=us.compact.qwerty
+  // &language=en-US&passwordLayout=us.compact.qwerty&name=keyboard_us
+  // Fow emoji and handwriting input, we replace the id=${keyset} part with
+  // desired keyset like: id=emoji; For voice, we append ".voice" to the end of
+  // id like: id=${keyset}.voice.
+  auto j = overridden_ref.find("&", i + 1);
+  if (keyset == "voice") {
+    overridden_ref.replace(j, 0, "." + keyset);
+  } else {
+    overridden_ref.replace(i, j - i, "id=" + keyset);
+  }
+
+  GURL::Replacements replacements;
+  replacements.SetRefStr(overridden_ref);
+  keyboard::SetOverrideContentUrl(url.ReplaceComponents(replacements));
+}
+
+bool InputMethodManagerImpl::IsEmojiHandwritingVoiceOnImeMenuEnabled() {
+  return base::FeatureList::IsEnabled(features::kEHVInputOnImeMenu);
+}
+
 }  // namespace input_method
 }  // namespace chromeos