chrome/browser/printing/print_preview_test.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_test.h"
   6
   7 #include "base/prefs/pref_service.h"
   8 #include "chrome/browser/ui/browser.h"
   9 #include "chrome/browser/ui/browser_iterator.h"
  10 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  11 #include "chrome/common/pref_names.h"
  12 #include "chrome/test/base/test_browser_window.h"
  13 #include "components/web_modal/web_contents_modal_dialog_host.h"
  14 #include "content/public/browser/plugin_service.h"
  15 #include "content/public/browser/web_contents.h"
  16 #include "content/public/browser/web_contents_view.h"
  17
  18 using web_modal::WebContentsModalDialogHost;
  19 using web_modal::ModalDialogHostObserver;
  20
  21 namespace {
  22
  23 // Use a custom test browser window to provide a parent view to the print
  24 // preview dialog.
  25 class PrintPreviewTestBrowserWindow
  26     : public TestBrowserWindow,
  27       public WebContentsModalDialogHost {
  28  public:
  29   PrintPreviewTestBrowserWindow() {}
  30
  31   // BrowserWindow overrides
  32   virtual WebContentsModalDialogHost* GetWebContentsModalDialogHost() OVERRIDE {
  33     return this;
  34   }
  35
  36   // WebContentsModalDialogHost overrides
  37
  38   // The web contents modal dialog must be parented to *something*; use the
  39   // WebContents window since there is no true browser window for unit tests.
  40   virtual gfx::NativeView GetHostView() const OVERRIDE {
  41     return FindBrowser()->tab_strip_model()->GetActiveWebContents()->GetView()->
  42         GetNativeView();
  43   }
  44
  45   virtual gfx::Point GetDialogPosition(const gfx::Size& size) OVERRIDE {
  46     return gfx::Point();
  47   }
  48
  49   virtual gfx::Size GetMaximumDialogSize() OVERRIDE {
  50     return gfx::Size();
  51   }
  52
  53   virtual void AddObserver(
  54       ModalDialogHostObserver* observer) OVERRIDE {}
  55   virtual void RemoveObserver(
  56       ModalDialogHostObserver* observer) OVERRIDE {}
  57
  58  private:
  59   Browser* FindBrowser() const {
  60     for (chrome::BrowserIterator it; !it.done(); it.Next()) {
  61       Browser* browser = *it;
  62       if (browser->window() == this)
  63         return browser;
  64     }
  65     NOTREACHED();
  66     return NULL;
  67   }
  68
  69   DISALLOW_COPY_AND_ASSIGN(PrintPreviewTestBrowserWindow);
  70 };
  71 }  // namespace
  72
  73 PrintPreviewTest::PrintPreviewTest() {}
  74 PrintPreviewTest::~PrintPreviewTest() {}
  75
  76 void PrintPreviewTest::SetUp() {
  77   BrowserWithTestWindowTest::SetUp();
  78
  79   // The PluginService will be destroyed at the end of the test (due to the
  80   // ShadowingAtExitManager in our base class).
  81   content::PluginService::GetInstance()->Init();
  82   content::PluginService::GetInstance()->DisablePluginsDiscoveryForTesting();
  83
  84   profile()->GetPrefs()->SetBoolean(prefs::kPrintPreviewDisabled, false);
  85 }
  86
  87 BrowserWindow* PrintPreviewTest::CreateBrowserWindow() {
  88   return new PrintPreviewTestBrowserWindow;
  89 }