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// 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/printing/print_preview_dialog_controller.h"
#include "chrome/browser/printing/print_preview_test.h"
#include "chrome/browser/printing/print_view_manager.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/browser/ui/webui/print_preview/print_preview_ui.h"
#include "content/public/browser/navigation_details.h"
#include "content/public/browser/web_contents_delegate.h"
#include "content/public/common/url_constants.h"
#include "content/public/test/web_contents_tester.h"
using content::WebContents;
namespace {
// content::WebContentsDelegate destructor is protected: subclass for testing.
class TestWebContentsDelegate : public content::WebContentsDelegate {};
} // namespace
namespace printing {
using PrintPreviewDialogControllerUnitTest = PrintPreviewTest;
// Create/Get a preview dialog for initiator.
TEST_F(PrintPreviewDialogControllerUnitTest, GetOrCreatePreviewDialog) {
// Lets start with one window with one tab.
EXPECT_EQ(1u, chrome::GetTotalBrowserCount());
EXPECT_EQ(0, browser()->tab_strip_model()->count());
chrome::NewTab(browser());
EXPECT_EQ(1, browser()->tab_strip_model()->count());
// Create a reference to initiator contents.
WebContents* initiator = browser()->tab_strip_model()->GetActiveWebContents();
PrintPreviewDialogController* dialog_controller =
PrintPreviewDialogController::GetInstance();
ASSERT_TRUE(dialog_controller);
// Get the preview dialog for initiator.
PrintViewManager::FromWebContents(initiator)->PrintPreviewNow(false);
WebContents* preview_dialog =
dialog_controller->GetOrCreatePreviewDialog(initiator);
// New print preview dialog is a constrained window, so the number of tabs is
// still 1.
EXPECT_EQ(1, browser()->tab_strip_model()->count());
EXPECT_NE(initiator, preview_dialog);
// Get the print preview dialog for the same initiator.
WebContents* new_preview_dialog =
dialog_controller->GetOrCreatePreviewDialog(initiator);
// Preview dialog already exists. Tab count remains the same.
EXPECT_EQ(1, browser()->tab_strip_model()->count());
// 1:1 relationship between initiator and preview dialog.
EXPECT_EQ(new_preview_dialog, preview_dialog);
}
// Tests multiple print preview dialogs exist in the same browser for different
// initiators. If a preview dialog already exists for an initiator, that
// initiator gets focused.
TEST_F(PrintPreviewDialogControllerUnitTest, MultiplePreviewDialogs) {
// Lets start with one window and two tabs.
EXPECT_EQ(1u, chrome::GetTotalBrowserCount());
TabStripModel* tab_strip_model = browser()->tab_strip_model();
ASSERT_TRUE(tab_strip_model);
EXPECT_EQ(0, tab_strip_model->count());
// Create some new initiators.
chrome::NewTab(browser());
WebContents* web_contents_1 = tab_strip_model->GetActiveWebContents();
ASSERT_TRUE(web_contents_1);
chrome::NewTab(browser());
WebContents* web_contents_2 = tab_strip_model->GetActiveWebContents();
ASSERT_TRUE(web_contents_2);
EXPECT_EQ(2, tab_strip_model->count());
PrintPreviewDialogController* dialog_controller =
PrintPreviewDialogController::GetInstance();
ASSERT_TRUE(dialog_controller);
// Create preview dialog for |web_contents_1|
PrintViewManager::FromWebContents(web_contents_1)->PrintPreviewNow(false);
WebContents* preview_dialog_1 =
dialog_controller->GetOrCreatePreviewDialog(web_contents_1);
EXPECT_NE(web_contents_1, preview_dialog_1);
EXPECT_EQ(2, tab_strip_model->count());
// Create preview dialog for |web_contents_2|
PrintViewManager::FromWebContents(web_contents_2)->PrintPreviewNow(false);
WebContents* preview_dialog_2 =
dialog_controller->GetOrCreatePreviewDialog(web_contents_2);
EXPECT_NE(web_contents_2, preview_dialog_2);
EXPECT_NE(preview_dialog_1, preview_dialog_2);
// 2 initiators and 2 preview dialogs exist in the same browser. The preview
// dialogs are constrained in their respective initiators.
EXPECT_EQ(2, tab_strip_model->count());
int tab_1_index = tab_strip_model->GetIndexOfWebContents(web_contents_1);
int tab_2_index = tab_strip_model->GetIndexOfWebContents(web_contents_2);
int preview_dialog_1_index =
tab_strip_model->GetIndexOfWebContents(preview_dialog_1);
int preview_dialog_2_index =
tab_strip_model->GetIndexOfWebContents(preview_dialog_2);
// Constrained dialogs are not in the TabStripModel.
EXPECT_EQ(-1, preview_dialog_1_index);
EXPECT_EQ(-1, preview_dialog_2_index);
// Since |preview_dialog_2_index| was the most recently created dialog, its
// initiator should have focus.
EXPECT_EQ(tab_2_index, tab_strip_model->active_index());
// When we get the preview dialog for |web_contents_1|,
// |preview_dialog_1| is activated and focused.
dialog_controller->GetOrCreatePreviewDialog(web_contents_1);
EXPECT_EQ(tab_1_index, tab_strip_model->active_index());
}
// Get a preview dialog for a proxied initiator should work.
TEST_F(PrintPreviewDialogControllerUnitTest, ProxyGetOrCreatePreviewDialog) {
// Lets start with one window with one tab.
EXPECT_EQ(1u, chrome::GetTotalBrowserCount());
EXPECT_EQ(0, browser()->tab_strip_model()->count());
chrome::NewTab(browser());
EXPECT_EQ(1, browser()->tab_strip_model()->count());
// Create a reference to initiator contents.
WebContents* initiator = browser()->tab_strip_model()->GetActiveWebContents();
PrintPreviewDialogController* dialog_controller =
PrintPreviewDialogController::GetInstance();
ASSERT_TRUE(dialog_controller);
// Get the preview dialog for initiator.
PrintViewManager::FromWebContents(initiator)->PrintPreviewNow(false);
WebContents* preview_dialog =
dialog_controller->GetOrCreatePreviewDialog(initiator);
// New print preview dialog is a constrained window, so the number of tabs is
// still 1.
EXPECT_EQ(1, browser()->tab_strip_model()->count());
EXPECT_NE(initiator, preview_dialog);
// Create the proxy web contents.
scoped_ptr<WebContents> proxy(
content::WebContentsTester::CreateTestWebContents(profile(), nullptr));
TestWebContentsDelegate delegate;
proxy->SetDelegate(&delegate);
dialog_controller->AddProxyDialogForWebContents(proxy.get(), initiator);
// Get the print preview dialog for the initiator and proxy.
WebContents* initiator_preview_dialog =
dialog_controller->GetOrCreatePreviewDialog(initiator);
WebContents* proxy_preview_dialog =
dialog_controller->GetOrCreatePreviewDialog(proxy.get());
// Preview dialog already exists. Tab count remains the same.
EXPECT_EQ(1, browser()->tab_strip_model()->count());
// 1:1 relationship between initiator and preview dialog.
EXPECT_EQ(initiator_preview_dialog, preview_dialog);
EXPECT_EQ(proxy_preview_dialog, preview_dialog);
dialog_controller->RemoveProxyDialogForWebContents(proxy.get());
}
// Create a preview dialog for a proxied initiator should fail.
TEST_F(PrintPreviewDialogControllerUnitTest, ProxyNoGetOrCreatePreviewDialog) {
// Lets start with one window with one tab.
EXPECT_EQ(1u, chrome::GetTotalBrowserCount());
EXPECT_EQ(0, browser()->tab_strip_model()->count());
chrome::NewTab(browser());
EXPECT_EQ(1, browser()->tab_strip_model()->count());
// Create a reference to initiator contents.
WebContents* initiator = browser()->tab_strip_model()->GetActiveWebContents();
PrintPreviewDialogController* dialog_controller =
PrintPreviewDialogController::GetInstance();
ASSERT_TRUE(dialog_controller);
// Create the proxy web contents.
scoped_ptr<WebContents> proxy(
content::WebContentsTester::CreateTestWebContents(profile(), nullptr));
TestWebContentsDelegate delegate;
proxy->SetDelegate(&delegate);
dialog_controller->AddProxyDialogForWebContents(proxy.get(), initiator);
// Get the print preview dialog for the proxy.
WebContents* proxy_preview_dialog =
dialog_controller->GetOrCreatePreviewDialog(proxy.get());
// Preview dialog shouldn't be created. Tab count remains the same.
EXPECT_EQ(1, browser()->tab_strip_model()->count());
// A proxy should not create a dialog, only re-use.
EXPECT_EQ(proxy_preview_dialog, nullptr);
dialog_controller->RemoveProxyDialogForWebContents(proxy.get());
}
// Check clearing the initiator details associated with a print preview dialog
// allows the initiator to create another print preview dialog.
TEST_F(PrintPreviewDialogControllerUnitTest, ClearInitiatorDetails) {
// Lets start with one window with one tab.
EXPECT_EQ(1u, chrome::GetTotalBrowserCount());
EXPECT_EQ(0, browser()->tab_strip_model()->count());
chrome::NewTab(browser());
EXPECT_EQ(1, browser()->tab_strip_model()->count());
// Create a reference to initiator contents.
WebContents* initiator = browser()->tab_strip_model()->GetActiveWebContents();
PrintPreviewDialogController* dialog_controller =
PrintPreviewDialogController::GetInstance();
ASSERT_TRUE(dialog_controller);
// Get the preview dialog for the initiator.
PrintViewManager::FromWebContents(initiator)->PrintPreviewNow(false);
WebContents* preview_dialog =
dialog_controller->GetOrCreatePreviewDialog(initiator);
// New print preview dialog is a constrained window, so the number of tabs is
// still 1.
EXPECT_EQ(1, browser()->tab_strip_model()->count());
EXPECT_NE(initiator, preview_dialog);
// Clear the initiator details associated with the preview dialog.
dialog_controller->EraseInitiatorInfo(preview_dialog);
// Get a new print preview dialog for the initiator.
WebContents* new_preview_dialog =
dialog_controller->GetOrCreatePreviewDialog(initiator);
// New print preview dialog is a constrained window, so the number of tabs is
// still 1.
EXPECT_EQ(1, browser()->tab_strip_model()->count());
// Verify a new print preview dialog has been created.
EXPECT_NE(new_preview_dialog, preview_dialog);
}
} // namespace printing
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