Add hideKeyboard API to chrome.experimental.input.

chrome/browser/ui/touch/frame/touch_browser_frame_view.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/ui/touch/frame/touch_browser_frame_view.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/renderer_host/render_widget_host_view_views.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 46 matching lines @@
       keyboard_(NULL) {
   registrar_.Add(this,
                  NotificationType::NAV_ENTRY_COMMITTED,
                  NotificationService::AllSources());
   registrar_.Add(this,
                  NotificationType::FOCUS_CHANGED_IN_PAGE,
                  NotificationService::AllSources());
   registrar_.Add(this,
                  NotificationType::TAB_CONTENTS_DESTROYED,
                  NotificationService::AllSources());
+  registrar_.Add(this,
+                 NotificationType::HIDE_KEYBOARD_INVOKED,
+                 NotificationService::AllSources());
 
   browser_view->browser()->tabstrip_model()->AddObserver(this);
 
   animation_.reset(new ui::SlideAnimation(this));
   animation_->SetTweenType(ui::Tween::LINEAR);
   animation_->SetSlideDuration(kKeyboardSlideDuration);
 }
 
 TouchBrowserFrameView::~TouchBrowserFrameView() {
   browser_view()->browser()->tabstrip_model()->RemoveObserver(this);
@@ skipping 190 matching lines @@
             controller->tab_contents()->property_bag(), false);
       }
     }
     if (source_browser == browser)
       UpdateKeyboardAndLayout(keyboard_type == GENERIC);
   } else if (type == NotificationType::TAB_CONTENTS_DESTROYED) {
     GetFocusedStateAccessor()->DeleteProperty(
         Source<TabContents>(source).ptr()->property_bag());
   } else if (type == NotificationType::PREF_CHANGED) {
     OpaqueBrowserFrameView::Observe(type, source, details);
+  } else if (type == NotificationType::HIDE_KEYBOARD_INVOKED) {
+    UpdateKeyboardAndLayout(false);

[sadrul, 2011/05/19 22:30:00]

In case the web-page (RWHVV) is currently in focus, should this also reset the
state of page (the property-bag for the tab-contents) so that when the user gets
back to this page after tab-switching, the keyboard remains hidden even though
an editable entry will have the focus?

[mazda, 2011/05/20 12:16:05]

I added code to reset property-bag. Thanks.

   }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // ui::AnimationDelegate implementation
 void TouchBrowserFrameView::AnimationProgressed(const ui::Animation* anim) {
   ui::Transform transform;
   transform.SetTranslateY(
       ui::Tween::ValueBetween(anim->GetCurrentValue(), kKeyboardHeight, 0));
   keyboard_->SetTransform(transform);
@@ skipping 10 matching lines @@
     parent()->Layout();
 
     // The keyboard that pops up may end up hiding the text entry. So make sure
     // the renderer scrolls when necessary to keep the textfield visible.
     RenderViewHost* host =
         browser_view()->browser()->GetSelectedTabContents()->render_view_host();
     host->ScrollFocusedEditableNodeIntoView();
   }
   SchedulePaint();
 }