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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "chrome/browser/ui/find_bar/find_bar_platform_helper.h"
#import <Foundation/Foundation.h>
#include <string_view>
#include "base/strings/sys_string_conversions.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/find_bar/find_bar_controller.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "components/find_in_page/find_tab_helper.h"
#include "components/find_in_page/find_types.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/web_contents.h"
#import "ui/base/cocoa/find_pasteboard.h"
namespace {
class FindBarPlatformHelperMac : public FindBarPlatformHelper {
public:
FindBarPlatformHelperMac(FindBarController* find_bar_controller)
: FindBarPlatformHelper(find_bar_controller) {
find_pasteboard_notification_observer_ = [NSNotificationCenter.defaultCenter
addObserverForName:kFindPasteboardChangedNotification
object:[FindPasteboard sharedInstance]
queue:nil
usingBlock:^(NSNotification*) {
UpdateFindBarControllerFromPasteboard();
}];
UpdateFindBarControllerFromPasteboard();
}
FindBarPlatformHelperMac(const FindBarPlatformHelperMac&) = delete;
FindBarPlatformHelperMac& operator=(const FindBarPlatformHelperMac&) = delete;
~FindBarPlatformHelperMac() override {
[NSNotificationCenter.defaultCenter
removeObserver:find_pasteboard_notification_observer_];
}
void OnUserChangedFindText(std::u16string_view text) override {
if (find_bar_controller_->web_contents()
->GetBrowserContext()
->IsOffTheRecord()) {
return;
}
{
base::AutoReset<bool> resetter(&sending_own_notification_, true);
[[FindPasteboard sharedInstance]
setFindText:base::SysUTF16ToNSString(text)];
}
}
private:
bool sending_own_notification_ = false;
void UpdateFindBarControllerFromPasteboard() {
content::WebContents* active_web_contents =
find_bar_controller_->web_contents();
Browser* browser = active_web_contents
? chrome::FindBrowserWithTab(active_web_contents)
: nullptr;
if (browser) {
TabStripModel* tab_strip_model = browser->tab_strip_model();
for (int i = 0; i < tab_strip_model->count(); ++i) {
content::WebContents* web_contents =
tab_strip_model->GetWebContentsAt(i);
if (active_web_contents == web_contents) {
continue;
}
find_in_page::FindTabHelper* find_tab_helper =
find_in_page::FindTabHelper::FromWebContents(web_contents);
find_tab_helper->StopFinding(find_in_page::SelectionAction::kClear);
}
}
if (!sending_own_notification_) {
NSString* find_text = [[FindPasteboard sharedInstance] findText];
find_bar_controller_->SetText(base::SysNSStringToUTF16(find_text));
}
}
id __strong find_pasteboard_notification_observer_;
};
} // namespace
// static
std::unique_ptr<FindBarPlatformHelper> FindBarPlatformHelper::Create(
FindBarController* find_bar_controller) {
return std::make_unique<FindBarPlatformHelperMac>(find_bar_controller);
}
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