Implement the Instant extended API startMargin, endMargin, and rtl properties and the onmarginchang…

chrome/browser/ui/views/location_bar/location_bar_view.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/location_bar/location_bar_view.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/command_line.h"
+#include "base/i18n/rtl.h"
 #include "base/stl_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/alternate_nav_url_fetcher.h"
 #include "chrome/browser/command_updater.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/extensions/api/omnibox/omnibox_api.h"
 #include "chrome/browser/extensions/location_bar_controller.h"
 #include "chrome/browser/extensions/script_bubble_controller.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_service.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
+#include "chrome/browser/ui/browser_instant_controller.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/omnibox/location_bar_util.h"
 #include "chrome/browser/ui/omnibox/omnibox_popup_model.h"
 #include "chrome/browser/ui/view_ids.h"
 #include "chrome/browser/ui/views/bookmarks/bookmark_prompt_view.h"
 #include "chrome/browser/ui/views/browser_dialogs.h"
 #include "chrome/browser/ui/views/extensions/extension_popup.h"
 #include "chrome/browser/ui/views/location_bar/action_box_button_view.h"
 #include "chrome/browser/ui/views/location_bar/content_setting_image_view.h"
 #include "chrome/browser/ui/views/location_bar/ev_bubble_view.h"
@@ skipping 1322 matching lines @@
   string16::size_type entry_end;
   location_entry_->GetSelectionBounds(&entry_start, &entry_end);
   state->selection_start = entry_start;
   state->selection_end = entry_end;
 }
 
 bool LocationBarView::HasFocus() const {
   return location_entry_->model()->has_focus();
 }
 
+void LocationBarView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
+  if (browser_ && browser_->instant_controller() && parent()) {
+    // Pass the side margins of the location bar to the Instant Controller.
+    const gfx::Rect bounds = GetBoundsInScreen();
+    const gfx::Rect parent_bounds = parent()->GetBoundsInScreen();
+    int start = bounds.x() - parent_bounds.x();
+    int end = parent_bounds.right() - bounds.right();
+    if (base::i18n::IsRTL())
+      std::swap(start, end);
+    browser_->instant_controller()->SetMarginSize(start, end);
+  }
+}
+
 void LocationBarView::WriteDragDataForView(views::View* sender,
                                            const gfx::Point& press_pt,
                                            OSExchangeData* data) {
   DCHECK_NE(GetDragOperationsForView(sender, press_pt),
             ui::DragDropTypes::DRAG_NONE);
 
   WebContents* web_contents = GetWebContents();
   FaviconTabHelper* favicon_tab_helper =
       FaviconTabHelper::FromWebContents(web_contents);
   gfx::ImageSkia favicon = favicon_tab_helper->GetFavicon().AsImageSkia();
@@ skipping 179 matching lines @@
 int LocationBarView::GetInternalHeight(bool use_preferred_size) {
   int total_height =
       use_preferred_size ? GetPreferredSize().height() : height();
   return std::max(total_height - (kVerticalEdgeThickness * 2), 0);
 }
 
 bool LocationBarView::HasValidSuggestText() const {
   return suggested_text_view_ && !suggested_text_view_->size().IsEmpty() &&
       !suggested_text_view_->text().empty();
 }