Added support for Text only zoom...

chrome/browser/browser.cc

 // Copyright (c) 2006-2009 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/browser.h"
 
 #include "app/animation.h"
 #include "app/l10n_util.h"
 #include "base/command_line.h"
 #include "base/idle_timer.h"
@@ skipping 1017 matching lines @@
 void Browser::ZoomReset() {
   UserMetrics::RecordAction(L"ZoomNormal", profile_);
   GetSelectedTabContents()->render_view_host()->Zoom(PageZoom::STANDARD);
 }
 
 void Browser::ZoomOut() {
   UserMetrics::RecordAction(L"ZoomMinus", profile_);
   GetSelectedTabContents()->render_view_host()->Zoom(PageZoom::SMALLER);
 }
 
+void Browser::ZoomTextOnlyIn() {
+  UserMetrics::RecordAction(L"ZoomTextOnlyPlus", profile_);
+  GetSelectedTabContents()->render_view_host()->Zoom(
+      PageZoom::TEXT_ONLY_LARGER);
+}
+
+void Browser::ZoomTextOnlyOut() {
+  UserMetrics::RecordAction(L"ZoomTextOnlyMinus", profile_);
+  GetSelectedTabContents()->render_view_host()->Zoom(
+      PageZoom::TEXT_ONLY_SMALLER);
+}
+
 void Browser::FocusToolbar() {
   UserMetrics::RecordAction(L"FocusToolbar", profile_);
   window_->FocusToolbar();
 }
 
 void Browser::FocusLocationBar() {
   UserMetrics::RecordAction(L"FocusLocation", profile_);
   window_->SetFocusToLocationBar();
 }
 
@@ skipping 269 matching lines @@
     case IDC_COPY_URL:              CopyCurrentPageURL();          break;
     case IDC_PASTE:                 Paste();                       break;
 #endif
 
     // Find-in-page
     case IDC_FIND:                  Find();                        break;
     case IDC_FIND_NEXT:             FindNext();                    break;
     case IDC_FIND_PREVIOUS:         FindPrevious();                break;
 
     // Zoom
+    case IDC_ZOOM_TEXT_ONLY_PLUS:   ZoomTextOnlyIn();              break;
     case IDC_ZOOM_PLUS:             ZoomIn();                      break;
     case IDC_ZOOM_NORMAL:           ZoomReset();                   break;
     case IDC_ZOOM_MINUS:            ZoomOut();                     break;
+    case IDC_ZOOM_TEXT_ONLY_MINUS:  ZoomTextOnlyOut();             break;
 
     // Focus various bits of UI
     case IDC_FOCUS_TOOLBAR:         FocusToolbar();                break;
     case IDC_FOCUS_LOCATION:        FocusLocationBar();            break;
     case IDC_FOCUS_SEARCH:          FocusSearch();                 break;
 
     // Show various bits of UI
     case IDC_OPEN_FILE:             OpenFile();                    break;
     case IDC_CREATE_SHORTCUTS:      OpenCreateShortcutsDialog();   break;
     case IDC_JS_CONSOLE:            OpenJavaScriptConsole();       break;
@@ skipping 475 matching lines @@
   if (source == GetSelectedTabContents()) {
     PrefService* prefs = profile_->GetPrefs();
     GetStatusBubble()->SetURL(url, prefs->GetString(prefs::kAcceptLanguages));
   }
 }
 
 void Browser::UpdateDownloadShelfVisibility(bool visible) {
   GetStatusBubble()->UpdateDownloadShelfVisibility(visible);
 }
 
-void Browser::ContentsZoomChange(bool zoom_in) {
-  ExecuteCommand(zoom_in ? IDC_ZOOM_PLUS : IDC_ZOOM_MINUS);
+void Browser::ContentsZoomChange(PageZoom::Function zoom_type) {
+  int zoom_requested = -1;
+
+  switch (zoom_type) {
+    case PageZoom::TEXT_ONLY_SMALLER :
+      zoom_requested = IDC_ZOOM_TEXT_ONLY_MINUS;
+      break;
+    case PageZoom::SMALLER :
+      zoom_requested = IDC_ZOOM_MINUS;
+      break;
+    case PageZoom::LARGER :
+      zoom_requested = IDC_ZOOM_PLUS;
+      break;
+    case PageZoom::TEXT_ONLY_LARGER :
+      zoom_requested = IDC_ZOOM_TEXT_ONLY_PLUS;
+      break;
+    default:
+      NOTREACHED();
+      return;
+  }
+
+  ExecuteCommand(zoom_requested);
 }
 
 void Browser::TabContentsFocused(TabContents* tab_content) {
   window_->TabContentsFocused(tab_content);
 }
 
 bool Browser::IsApplication() const {
   return (type_ & TYPE_APP) != 0;
 }
 
@@ skipping 244 matching lines @@
   // Find-in-page
   command_updater_.UpdateCommandEnabled(IDC_FIND, true);
   command_updater_.UpdateCommandEnabled(IDC_FIND_NEXT, true);
   command_updater_.UpdateCommandEnabled(IDC_FIND_PREVIOUS, true);
 
   // Zoom
   command_updater_.UpdateCommandEnabled(IDC_ZOOM_MENU, true);
   command_updater_.UpdateCommandEnabled(IDC_ZOOM_PLUS, true);
   command_updater_.UpdateCommandEnabled(IDC_ZOOM_NORMAL, true);
   command_updater_.UpdateCommandEnabled(IDC_ZOOM_MINUS, true);
+  command_updater_.UpdateCommandEnabled(IDC_ZOOM_TEXT_ONLY_PLUS, true);
+  command_updater_.UpdateCommandEnabled(IDC_ZOOM_TEXT_ONLY_MINUS, true);
 
   // Show various bits of UI
   command_updater_.UpdateCommandEnabled(IDC_OPEN_FILE, true);
   command_updater_.UpdateCommandEnabled(IDC_CREATE_SHORTCUTS, false);
   command_updater_.UpdateCommandEnabled(IDC_JS_CONSOLE, true);
   command_updater_.UpdateCommandEnabled(IDC_TASK_MANAGER, true);
   command_updater_.UpdateCommandEnabled(IDC_SELECT_PROFILE, true);
   command_updater_.UpdateCommandEnabled(IDC_SHOW_HISTORY, true);
   command_updater_.UpdateCommandEnabled(IDC_SHOW_BOOKMARK_MANAGER, true);
   command_updater_.UpdateCommandEnabled(IDC_SHOW_DOWNLOADS, true);
@@ skipping 604 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 // BrowserToolbarModel (private):
 
 NavigationController* Browser::BrowserToolbarModel::GetNavigationController() {
   // This |current_tab| can be NULL during the initialization of the
   // toolbar during window creation (i.e. before any tabs have been added
   // to the window).
   TabContents* current_tab = browser_->GetSelectedTabContents();
   return current_tab ? &current_tab->controller() : NULL;
 }