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// Copyright (C) Microsoft Corporation. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "BrowserWindow.h"
#include "Tab.h"
using namespace Microsoft::WRL;
std::unique_ptr<Tab> Tab::CreateNewTab(HWND hWnd, ICoreWebView2Environment* env, size_t id, bool shouldBeActive)
{
std::unique_ptr<Tab> tab = std::make_unique<Tab>();
tab->m_parentHWnd = hWnd;
tab->m_tabId = id;
tab->SetMessageBroker();
tab->Init(env, shouldBeActive);
return tab;
}
HRESULT Tab::Init(ICoreWebView2Environment* env, bool shouldBeActive)
{
return env->CreateCoreWebView2Controller(m_parentHWnd, Callback<ICoreWebView2CreateCoreWebView2ControllerCompletedHandler>(
[this, shouldBeActive](HRESULT result, ICoreWebView2Controller* host) -> HRESULT {
if (!SUCCEEDED(result))
{
OutputDebugString(L"Tab WebView creation failed\n");
return result;
}
m_contentController = host;
BrowserWindow::CheckFailure(m_contentController->get_CoreWebView2(&m_contentWebView), L"");
BrowserWindow* browserWindow = reinterpret_cast<BrowserWindow*>(GetWindowLongPtr(m_parentHWnd, GWLP_USERDATA));
RETURN_IF_FAILED(m_contentWebView->add_WebMessageReceived(m_messageBroker.Get(), &m_messageBrokerToken));
// Register event handler for history change
RETURN_IF_FAILED(m_contentWebView->add_HistoryChanged(Callback<ICoreWebView2HistoryChangedEventHandler>(
[this, browserWindow](ICoreWebView2* webview, IUnknown* args) -> HRESULT
{
BrowserWindow::CheckFailure(browserWindow->HandleTabHistoryUpdate(m_tabId, webview), L"Can't update go back/forward buttons.");
return S_OK;
}).Get(), &m_historyUpdateForwarderToken));
// Register event handler for source change
RETURN_IF_FAILED(m_contentWebView->add_SourceChanged(Callback<ICoreWebView2SourceChangedEventHandler>(
[this, browserWindow](ICoreWebView2* webview, ICoreWebView2SourceChangedEventArgs* args) -> HRESULT
{
BrowserWindow::CheckFailure(browserWindow->HandleTabURIUpdate(m_tabId, webview), L"Can't update address bar");
return S_OK;
}).Get(), &m_uriUpdateForwarderToken));
RETURN_IF_FAILED(m_contentWebView->add_NavigationStarting(Callback<ICoreWebView2NavigationStartingEventHandler>(
[this, browserWindow](ICoreWebView2* webview, ICoreWebView2NavigationStartingEventArgs* args) -> HRESULT
{
BrowserWindow::CheckFailure(browserWindow->HandleTabNavStarting(m_tabId, webview), L"Can't update reload button");
return S_OK;
}).Get(), &m_navStartingToken));
RETURN_IF_FAILED(m_contentWebView->add_NavigationCompleted(Callback<ICoreWebView2NavigationCompletedEventHandler>(
[this, browserWindow](ICoreWebView2* webview, ICoreWebView2NavigationCompletedEventArgs* args) -> HRESULT
{
BrowserWindow::CheckFailure(browserWindow->HandleTabNavCompleted(m_tabId, webview, args), L"Can't udpate reload button");
return S_OK;
}).Get(), &m_navCompletedToken));
// Enable listening for security events to update secure icon
RETURN_IF_FAILED(m_contentWebView->CallDevToolsProtocolMethod(L"Security.enable", L"{}", nullptr));
BrowserWindow::CheckFailure(m_contentWebView->GetDevToolsProtocolEventReceiver(L"Security.securityStateChanged", &m_securityStateChangedReceiver), L"");
// Forward security status updates to browser
RETURN_IF_FAILED(m_securityStateChangedReceiver->add_DevToolsProtocolEventReceived(Callback<ICoreWebView2DevToolsProtocolEventReceivedEventHandler>(
[this, browserWindow](ICoreWebView2* webview, ICoreWebView2DevToolsProtocolEventReceivedEventArgs* args) -> HRESULT
{
BrowserWindow::CheckFailure(browserWindow->HandleTabSecurityUpdate(m_tabId, webview, args), L"Can't udpate security icon");
return S_OK;
}).Get(), &m_securityUpdateToken));
RETURN_IF_FAILED(m_contentWebView->Navigate(L"https://www.bing.com"));
browserWindow->HandleTabCreated(m_tabId, shouldBeActive);
return S_OK;
}).Get());
}
void Tab::SetMessageBroker()
{
m_messageBroker = Callback<ICoreWebView2WebMessageReceivedEventHandler>(
[this](ICoreWebView2* webview, ICoreWebView2WebMessageReceivedEventArgs* eventArgs) -> HRESULT
{
BrowserWindow* browserWindow = reinterpret_cast<BrowserWindow*>(GetWindowLongPtr(m_parentHWnd, GWLP_USERDATA));
BrowserWindow::CheckFailure(browserWindow->HandleTabMessageReceived(m_tabId, webview, eventArgs), L"");
return S_OK;
});
}
HRESULT Tab::ResizeWebView()
{
RECT bounds;
GetClientRect(m_parentHWnd, &bounds);
BrowserWindow* browserWindow = reinterpret_cast<BrowserWindow*>(GetWindowLongPtr(m_parentHWnd, GWLP_USERDATA));
bounds.top += browserWindow->GetDPIAwareBound(BrowserWindow::c_uiBarHeight);
return m_contentController->put_Bounds(bounds);
}