Adjust virtual keyboard size base on input method candidates.

chrome/browser/extensions/extension_input_api.cc

 // Copyright (c) 2011 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/extensions/extension_input_api.h"
 
 #include <string>
 
 #include "base/string_util.h"
 #include "base/values.h"
@@ skipping 27 matching lines @@
 const char kKeyDown[] = "keydown";
 const char kKeyUp[] = "keyup";
 
 // Errors.
 const char kUnknownEventTypeError[] = "Unknown event type.";
 const char kUnknownOrUnsupportedKeyIdentiferError[] = "Unknown or unsupported "
     "key identifier.";
 const char kUnsupportedModifier[] = "Unsupported modifier.";
 const char kNoValidRecipientError[] = "No valid recipient for event.";
 const char kKeyEventUnprocessedError[] = "Event was not handled.";
+const char kInvalidHeight[] = "Invalid height.";
 #if defined(OS_CHROMEOS) && defined(TOUCH_UI)
 const char kCrosLibraryNotLoadedError[] = "Cros shared library not loaded.";
 #endif
 
 ui::EventType GetTypeFromString(const std::string& type) {
   if (type == kKeyDown) {
     return ui::ET_KEY_PRESSED;
   } else if (type == kKeyUp) {
     return ui::ET_KEY_RELEASED;
   }
@@ skipping 79 matching lines @@
 }
 
 #if defined(TOUCH_UI)
 bool HideKeyboardFunction::RunImpl() {
   NotificationService::current()->Notify(
       NotificationType::HIDE_KEYBOARD_INVOKED,
       Source<HideKeyboardFunction>(this),
       NotificationService::NoDetails());
   return true;
 }
+
+bool SetKeyboardHeightFunction::RunImpl() {
+  int height = 0;
+  EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &height));
+
+  if (height < 0) {
+    error_ = kInvalidHeight;
+    return false;
+  }
+
+  // TODO(penghuang) Check the height is not greater than height of browser view
+  // and set the height of virtual keyboard directly instead of using
+  // notification.
+  NotificationService::current()->Notify(
+      NotificationType::SET_KEYBOARD_HEIGHT_INVOKED,
+      Source<SetKeyboardHeightFunction>(this),
+      Details<int>(&height));
+  return true;
+}
 #endif
 
 #if defined(OS_CHROMEOS) && defined(TOUCH_UI)
 // TODO(yusukes): This part should be moved to extension_input_api_chromeos.cc.
 bool SendHandwritingStrokeFunction::RunImpl() {
   chromeos::CrosLibrary* cros_library = chromeos::CrosLibrary::Get();
   if (!cros_library->EnsureLoaded()) {
     error_ = kCrosLibraryNotLoadedError;
     return false;
   }
@@ skipping 26 matching lines @@
   // TODO(yusukes): Add a parameter for an input context ID.
   int stroke_count = 0;  // zero means 'clear all strokes'.
   if (HasOptionalArgument(0)) {
     EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &stroke_count));
     EXTENSION_FUNCTION_VALIDATE(stroke_count >= 0);
   }
   cros_library->GetInputMethodLibrary()->CancelHandwritingStrokes(stroke_count);
   return true;
 }
 #endif