chrome/browser/printing/print_preview_context_menu_observer.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/printing/print_preview_context_menu_observer.h"
   6
   7 #include "base/logging.h"
   8 #include "chrome/app/chrome_command_ids.h"
   9 #include "chrome/browser/printing/print_preview_dialog_controller.h"
  10
  11 PrintPreviewContextMenuObserver::PrintPreviewContextMenuObserver(
  12     content::WebContents* contents) : contents_(contents) {
  13 }
  14
  15 PrintPreviewContextMenuObserver::~PrintPreviewContextMenuObserver() {
  16 }
  17
  18 bool PrintPreviewContextMenuObserver::IsPrintPreviewDialog() {
  19   printing::PrintPreviewDialogController* controller =
  20       printing::PrintPreviewDialogController::GetInstance();
  21   if (!controller)
  22     return false;
  23   return (controller->GetPrintPreviewForContents(contents_) != nullptr);
  24 }
  25
  26 bool PrintPreviewContextMenuObserver::IsCommandIdSupported(int command_id) {
  27   switch (command_id) {
  28     case IDC_PRINT:
  29     case IDC_VIEW_SOURCE:
  30     case IDC_CONTENT_CONTEXT_VIEWFRAMESOURCE:
  31     case IDC_CONTENT_CONTEXT_VIEWPAGEINFO:
  32     case IDC_CONTENT_CONTEXT_SEARCHWEBFOR:
  33       return IsPrintPreviewDialog();
  34
  35     default:
  36       return false;
  37   }
  38 }
  39
  40 bool PrintPreviewContextMenuObserver::IsCommandIdEnabled(int command_id) {
  41   switch (command_id) {
  42     case IDC_PRINT:
  43     case IDC_VIEW_SOURCE:
  44     case IDC_CONTENT_CONTEXT_VIEWFRAMESOURCE:
  45     case IDC_CONTENT_CONTEXT_VIEWPAGEINFO:
  46     case IDC_CONTENT_CONTEXT_SEARCHWEBFOR:
  47       return false;
  48
  49     default:
  50       NOTREACHED();
  51       return true;
  52   }
  53 }