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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/zoom/zoom_controller.h"
#include <optional>
#include "chrome/test/base/chrome_render_view_host_test_harness.h"
#include "chrome/test/base/testing_profile.h"
#include "components/prefs/pref_service.h"
#include "components/zoom/test/zoom_test_utils.h"
#include "components/zoom/zoom_observer.h"
#include "content/public/browser/host_zoom_map.h"
#include "content/public/test/mock_navigation_handle.h"
#include "content/public/test/test_renderer_host.h"
#include "content/public/test/test_utils.h"
#include "ipc/ipc_message.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using zoom::ZoomChangedWatcher;
using zoom::ZoomController;
class ZoomControllerTest : public ChromeRenderViewHostTestHarness {
public:
void SetUp() override {
ChromeRenderViewHostTestHarness::SetUp();
zoom_controller_.reset(new ZoomController(
web_contents(), web_contents()->GetPrimaryMainFrame()));
// 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();
}
void TearDown() override {
zoom_controller_.reset();
ChromeRenderViewHostTestHarness::TearDown();
}
protected:
std::unique_ptr<ZoomController> zoom_controller_;
};
TEST_F(ZoomControllerTest, DidNavigateMainFrame) {
double zoom_level = zoom_controller_->GetZoomLevel();
ZoomController::ZoomChangedEventData zoom_change_data(
web_contents(),
web_contents()->GetPrimaryMainFrame()->GetFrameTreeNodeId(), zoom_level,
zoom_level, ZoomController::ZOOM_MODE_DEFAULT, false);
ZoomChangedWatcher zoom_change_watcher(zoom_controller_.get(),
zoom_change_data);
content::MockNavigationHandle handle(web_contents());
handle.set_has_committed(true);
handle.set_is_in_primary_main_frame(true);
zoom_controller_->DidFinishNavigation(&handle);
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"));
// Changing from default to default so the bubble should not be shown.
ZoomController::ZoomChangedEventData zoom_change_data1(
web_contents(),
web_contents()->GetPrimaryMainFrame()->GetFrameTreeNodeId(),
old_zoom_level, old_zoom_level, ZoomController::ZOOM_MODE_ISOLATED,
false /* 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(),
web_contents()->GetPrimaryMainFrame()->GetFrameTreeNodeId(),
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(zoom::ZoomController::ZOOM_MODE_MANUAL);
// By default, the zoom controller will send 'true' for can_show_bubble.
ZoomController::ZoomChangedEventData zoom_change_data1(
web_contents(),
web_contents()->GetPrimaryMainFrame()->GetFrameTreeNodeId(),
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(),
web_contents()->GetPrimaryMainFrame()->GetFrameTreeNodeId(),
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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