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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 "base/message_loop/message_loop.h"
#include "base/prefs/pref_service.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/test/base/chrome_render_view_host_test_harness.h"
#include "chrome/test/base/testing_profile.h"
#include "components/ui/zoom/zoom_controller.h"
#include "components/ui/zoom/zoom_observer.h"
#include "content/public/browser/host_zoom_map.h"
#include "content/public/browser/navigation_details.h"
#include "content/public/common/frame_navigate_params.h"
#include "content/public/test/test_renderer_host.h"
#include "content/public/test/test_utils.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ui_zoom::ZoomController;
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 ui_zoom::ZoomObserver {
public:
ZoomChangedWatcher(
ZoomController* zoom_controller,
const ZoomController::ZoomChangedEventData& expected_event_data)
: zoom_controller_(zoom_controller),
expected_event_data_(expected_event_data),
message_loop_runner_(new content::MessageLoopRunner) {
zoom_controller_->AddObserver(this);
}
~ZoomChangedWatcher() override { zoom_controller_->RemoveObserver(this); }
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:
ZoomController* zoom_controller_;
ZoomController::ZoomChangedEventData expected_event_data_;
scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
DISALLOW_COPY_AND_ASSIGN(ZoomChangedWatcher);
};
class ZoomControllerTest : public ChromeRenderViewHostTestHarness {
public:
void SetUp() override {
ChromeRenderViewHostTestHarness::SetUp();
zoom_controller_.reset(new ZoomController(web_contents()));
// This call is needed so that the RenderViewHost reports being alive. This
// is only important for tests that call ZoomController::SetZoomLevel().
content::RenderViewHostTester::For(rvh())->CreateTestRenderView(
base::string16(), MSG_ROUTING_NONE, MSG_ROUTING_NONE, -1, false);
}
void TearDown() override {
zoom_controller_.reset();
ChromeRenderViewHostTestHarness::TearDown();
}
protected:
scoped_ptr<ZoomController> zoom_controller_;
};
TEST_F(ZoomControllerTest, DidNavigateMainFrame) {
double zoom_level = zoom_controller_->GetZoomLevel();
ZoomController::ZoomChangedEventData zoom_change_data(
web_contents(),
zoom_level,
zoom_level,
ZoomController::ZOOM_MODE_DEFAULT,
false);
ZoomChangedWatcher zoom_change_watcher(zoom_controller_.get(),
zoom_change_data);
zoom_controller_->DidNavigateMainFrame(content::LoadCommittedDetails(),
content::FrameNavigateParams());
zoom_change_watcher.Wait();
}
TEST_F(ZoomControllerTest, Observe_ZoomController) {
double old_zoom_level = zoom_controller_->GetZoomLevel();
double new_zoom_level = 110.0;
NavigateAndCommit(GURL("about:blank"));
ZoomController::ZoomChangedEventData zoom_change_data1(
web_contents(),
old_zoom_level,
old_zoom_level,
ZoomController::ZOOM_MODE_ISOLATED,
true /* can_show_bubble */);
{
ZoomChangedWatcher zoom_change_watcher1(zoom_controller_.get(),
zoom_change_data1);
zoom_controller_->SetZoomMode(ZoomController::ZOOM_MODE_ISOLATED);
zoom_change_watcher1.Wait();
}
ZoomController::ZoomChangedEventData zoom_change_data2(
web_contents(),
old_zoom_level,
new_zoom_level,
ZoomController::ZOOM_MODE_ISOLATED,
true /* can_show_bubble */);
{
ZoomChangedWatcher zoom_change_watcher2(zoom_controller_.get(),
zoom_change_data2);
zoom_controller_->SetZoomLevel(new_zoom_level);
zoom_change_watcher2.Wait();
}
}
TEST_F(ZoomControllerTest, ObserveManualZoomCanShowBubble) {
NavigateAndCommit(GURL("about:blank"));
double old_zoom_level = zoom_controller_->GetZoomLevel();
double new_zoom_level1 = old_zoom_level + 0.5;
double new_zoom_level2 = old_zoom_level + 1.0;
zoom_controller_->SetZoomMode(ui_zoom::ZoomController::ZOOM_MODE_MANUAL);
// By default, the zoom controller will send 'true' for can_show_bubble.
ZoomController::ZoomChangedEventData zoom_change_data1(
web_contents(),
old_zoom_level,
new_zoom_level1,
ZoomController::ZOOM_MODE_MANUAL,
true /* can_show_bubble */);
{
ZoomChangedWatcher zoom_change_watcher1(zoom_controller_.get(),
zoom_change_data1);
zoom_controller_->SetZoomLevel(new_zoom_level1);
zoom_change_watcher1.Wait();
}
// Override default and verify the subsequent event reflects this change.
zoom_controller_->SetShowsNotificationBubble(false);
ZoomController::ZoomChangedEventData zoom_change_data2(
web_contents(),
new_zoom_level1,
new_zoom_level2,
ZoomController::ZOOM_MODE_MANUAL,
false /* can_show_bubble */);
{
ZoomChangedWatcher zoom_change_watcher2(zoom_controller_.get(),
zoom_change_data2);
zoom_controller_->SetZoomLevel(new_zoom_level2);
zoom_change_watcher2.Wait();
}
}
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