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// Copyright 2014 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 "components/ui/zoom/zoom_controller.h"
#include "base/prefs/pref_service.h"
#include "base/process/kill.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/browser/ui/webui/signin/login_ui_test_utils.h"
#include "chrome/browser/ui/zoom/chrome_zoom_level_prefs.h"
#include "chrome/common/url_constants.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/signin/core/common/profile_management_switches.h"
#include "content/public/browser/host_zoom_map.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/page_type.h"
#include "content/public/test/browser_test_utils.h"
#include "testing/gmock/include/gmock/gmock.h"
using ui_zoom::ZoomController;
using ui_zoom::ZoomObserver;
bool operator==(const ZoomController::ZoomChangedEventData& lhs,
const ZoomController::ZoomChangedEventData& rhs) {
return lhs.web_contents == rhs.web_contents &&
lhs.old_zoom_level == rhs.old_zoom_level &&
lhs.new_zoom_level == rhs.new_zoom_level &&
lhs.zoom_mode == rhs.zoom_mode &&
lhs.can_show_bubble == rhs.can_show_bubble;
}
class ZoomChangedWatcher : public ZoomObserver {
public:
ZoomChangedWatcher(
content::WebContents* web_contents,
const ZoomController::ZoomChangedEventData& expected_event_data)
: web_contents_(web_contents),
expected_event_data_(expected_event_data),
message_loop_runner_(new content::MessageLoopRunner) {
ZoomController::FromWebContents(web_contents)->AddObserver(this);
}
~ZoomChangedWatcher() override {}
void Wait() { message_loop_runner_->Run(); }
void OnZoomChanged(
const ZoomController::ZoomChangedEventData& event_data) override {
if (event_data == expected_event_data_)
message_loop_runner_->Quit();
}
private:
content::WebContents* web_contents_;
ZoomController::ZoomChangedEventData expected_event_data_;
scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
DISALLOW_COPY_AND_ASSIGN(ZoomChangedWatcher);
};
typedef InProcessBrowserTest ZoomControllerBrowserTest;
#if defined(OS_ANDROID)
#define MAYBE_CrashedTabsDoNotChangeZoom DISABLED_CrashedTabsDoNotChangeZoom
#else
#define MAYBE_CrashedTabsDoNotChangeZoom CrashedTabsDoNotChangeZoom
#endif
IN_PROC_BROWSER_TEST_F(ZoomControllerBrowserTest,
MAYBE_CrashedTabsDoNotChangeZoom) {
// At the start of the test we are at a tab displaying about:blank.
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
ZoomController* zoom_controller =
ZoomController::FromWebContents(web_contents);
double old_zoom_level = zoom_controller->GetZoomLevel();
double new_zoom_level = old_zoom_level + 0.5;
content::RenderProcessHost* host = web_contents->GetRenderProcessHost();
{
content::RenderProcessHostWatcher crash_observer(
host, content::RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
host->Shutdown(0, false);
crash_observer.Wait();
}
EXPECT_FALSE(web_contents->GetRenderViewHost()->IsRenderViewLive());
// The following attempt to change the zoom level for a crashed tab should
// fail.
zoom_controller->SetZoomLevel(new_zoom_level);
EXPECT_FLOAT_EQ(old_zoom_level, zoom_controller->GetZoomLevel());
}
IN_PROC_BROWSER_TEST_F(ZoomControllerBrowserTest, OnPreferenceChanged) {
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
double new_default_zoom_level = 1.0;
// Since this page uses the default zoom level, the changes to the default
// zoom level will change the zoom level for this web_contents.
ZoomController::ZoomChangedEventData zoom_change_data(
web_contents,
new_default_zoom_level,
new_default_zoom_level,
ZoomController::ZOOM_MODE_DEFAULT,
true);
ZoomChangedWatcher zoom_change_watcher(web_contents, zoom_change_data);
// TODO(wjmaclean): Convert this to call partition-specific zoom level prefs
// when they become available.
browser()->profile()->GetZoomLevelPrefs()->SetDefaultZoomLevelPref(
new_default_zoom_level);
// Because this test relies on a round-trip IPC to/from the renderer process,
// we need to wait for it to propagate.
zoom_change_watcher.Wait();
}
IN_PROC_BROWSER_TEST_F(ZoomControllerBrowserTest, ErrorPagesCanZoom) {
ui_test_utils::NavigateToURL(browser(), GURL("http://kjfhkjsdf.com"));
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
ZoomController* zoom_controller =
ZoomController::FromWebContents(web_contents);
EXPECT_EQ(
content::PAGE_TYPE_ERROR,
web_contents->GetController().GetLastCommittedEntry()->GetPageType());
double old_zoom_level = zoom_controller->GetZoomLevel();
double new_zoom_level = old_zoom_level + 0.5;
// The following attempt to change the zoom level for an error page should
// fail.
zoom_controller->SetZoomLevel(new_zoom_level);
EXPECT_FLOAT_EQ(new_zoom_level, zoom_controller->GetZoomLevel());
}
IN_PROC_BROWSER_TEST_F(ZoomControllerBrowserTest, Observe) {
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
double new_zoom_level = 1.0;
// When the event is initiated from HostZoomMap, the old zoom level is not
// available.
ZoomController::ZoomChangedEventData zoom_change_data(
web_contents,
new_zoom_level,
new_zoom_level,
ZoomController::ZOOM_MODE_DEFAULT,
true); // We have a non-empty host, so this will be 'true'.
ZoomChangedWatcher zoom_change_watcher(web_contents, zoom_change_data);
content::HostZoomMap* host_zoom_map =
content::HostZoomMap::GetDefaultForBrowserContext(
web_contents->GetBrowserContext());
host_zoom_map->SetZoomLevelForHost("about:blank", new_zoom_level);
zoom_change_watcher.Wait();
}
#if !defined(OS_CHROMEOS)
// Regression test: crbug.com/438979.
IN_PROC_BROWSER_TEST_F(ZoomControllerBrowserTest,
SettingsZoomAfterSigninWorks) {
GURL signin_url(
std::string(chrome::kChromeUIChromeSigninURL).append("?source=0"));
// We open the signin page in a new tab so that the ZoomController is
// created against the HostZoomMap of the special StoragePartition that
// backs the signin page. When we subsequently navigate away from the
// signin page, the HostZoomMap changes, and we need to test that the
// ZoomController correctly detects this.
ui_test_utils::NavigateToURLWithDisposition(
browser(), signin_url, NEW_FOREGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
login_ui_test_utils::WaitUntilUIReady(browser());
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
EXPECT_NE(
content::PAGE_TYPE_ERROR,
web_contents->GetController().GetLastCommittedEntry()->GetPageType());
EXPECT_EQ(signin_url, web_contents->GetLastCommittedURL());
ZoomController* zoom_controller =
ZoomController::FromWebContents(web_contents);
content::HostZoomMap* host_zoom_map_signin =
content::HostZoomMap::GetForWebContents(web_contents);
GURL settings_url(chrome::kChromeUISettingsURL);
ui_test_utils::NavigateToURL(browser(), settings_url);
EXPECT_NE(
content::PAGE_TYPE_ERROR,
web_contents->GetController().GetLastCommittedEntry()->GetPageType());
// Verify new tab was created.
EXPECT_EQ(2, browser()->tab_strip_model()->count());
// Verify that the settings page is using the same WebContents.
EXPECT_EQ(web_contents, browser()->tab_strip_model()->GetActiveWebContents());
// TODO(wjmaclean): figure out why this next line fails, i.e. why does this
// test not properly trigger a navigation to the settings page.
EXPECT_EQ(settings_url, web_contents->GetLastCommittedURL());
EXPECT_EQ(zoom_controller, ZoomController::FromWebContents(web_contents));
// For the webview based sign-in code, the sign in page uses the default host
// zoom map.
if (!switches::IsEnableWebviewBasedSignin()) {
// We expect the navigation from the chrome sign in page to the settings
// page to invoke a storage partition switch, and thus a different
// HostZoomMap for the web_contents.
content::HostZoomMap* host_zoom_map_settings =
content::HostZoomMap::GetForWebContents(web_contents);
EXPECT_NE(host_zoom_map_signin, host_zoom_map_settings);
}
// If we zoom the new page, it should still generate a ZoomController event.
double old_zoom_level = zoom_controller->GetZoomLevel();
double new_zoom_level = old_zoom_level + 0.5;
ZoomController::ZoomChangedEventData zoom_change_data(
web_contents,
old_zoom_level,
new_zoom_level,
ZoomController::ZOOM_MODE_DEFAULT,
true); // We have a non-empty host, so this will be 'true'.
ZoomChangedWatcher zoom_change_watcher(web_contents, zoom_change_data);
zoom_controller->SetZoomLevel(new_zoom_level);
zoom_change_watcher.Wait();
}
#endif // !defined(OS_CHROMEOS)
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