1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/* Copyright (c) MediaArea.net SARL. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license that can
* be found in the License.html file in the root of the source tree.
*/
// webview2widget.cpp
// From code generated with Qwen2.5-Max
#include "webview2widget.h"
#include <QDebug>
#include <QResizeEvent>
#include <QWindow>
#include <QTimer>
#include <Shlobj.h>
#include <WebView2.h>
#include <windows.h>
#include <wrl.h>
#pragma comment(lib, "User32.lib")
namespace {
std::wstring GetUserDataFolder() {
wchar_t appDataPath[MAX_PATH];
SHGetFolderPathW(nullptr, CSIDL_LOCAL_APPDATA, nullptr, 0, appDataPath);
std::wstring userDataFolder = appDataPath;
userDataFolder += L"\\mediainfo-gui\\WebView2";
// Create the folder if it doesn't exist
CreateDirectoryW(userDataFolder.c_str(), nullptr);
return userDataFolder;
}
}
WebView2Widget::WebView2Widget(QWidget *parent)
: QWidget(parent), m_hwndHost(nullptr), m_isInitialized(false) {
// Set up the widget to host WebView2
m_hwndHost = (HWND)this->winId();
// Initialize WebView2
HRESULT hr = InitializeWebView();
if (FAILED(hr)) {
qWarning() << "Failed to initialize WebView2";
}
}
WebView2Widget::~WebView2Widget() {
if (m_webviewController) {
m_webviewController->Close();
}
}
HRESULT WebView2Widget::InitializeWebView() {
HRESULT hr = CreateCoreWebView2EnvironmentWithOptions(
nullptr, GetUserDataFolder().c_str(), nullptr,
Microsoft::WRL::Callback<ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler>(
[this](HRESULT result, ICoreWebView2Environment *env) -> HRESULT {
if (result == S_OK) {
env->CreateCoreWebView2Controller(
m_hwndHost,
Microsoft::WRL::Callback<ICoreWebView2CreateCoreWebView2ControllerCompletedHandler>(
[this](HRESULT result, ICoreWebView2Controller *controller) -> HRESULT {
Q_UNUSED(result);
if (controller != nullptr) {
m_webviewController = controller;
m_webviewController->get_CoreWebView2(&m_webview);
RECT bounds;
GetClientRect(m_hwndHost, &bounds);
m_webviewController->put_Bounds(bounds);
m_webviewController->put_IsVisible(TRUE);
// Mark WebView2 as initialized
m_isInitialized = true;
// Use a single-shot timer to delay resizing until after the widget is properly laid out
QTimer::singleShot(0, this, [this]() {
resizeEvent(nullptr); // Trigger resizeEvent manually
});
// Process any pending requests
ProcessPendingRequests();
}
return S_OK;
}
).Get()
);
}
return result;
}
).Get()
);
return hr;
}
void WebView2Widget::resizeEvent(QResizeEvent *event) {
QWidget::resizeEvent(event);
if (m_webviewController) {
RECT bounds;
GetClientRect(m_hwndHost, &bounds);
m_webviewController->put_Bounds(bounds);
}
}
void WebView2Widget::ProcessPendingRequests() {
// Process pending HTML content
while (!m_pendingHtml.isEmpty()) {
QString html = m_pendingHtml.dequeue();
std::wstring htmlWide = html.toStdWString();
m_webview->NavigateToString(htmlWide.c_str());
}
// Process pending URLs
while (!m_pendingUrls.isEmpty()) {
QUrl url = m_pendingUrls.dequeue();
std::wstring urlWide = url.toString().toStdWString();
m_webview->Navigate(urlWide.c_str());
}
}
void WebView2Widget::setHtml(const QString &html) {
if (m_isInitialized && m_webview) {
std::wstring htmlWide = html.toStdWString();
m_webview->NavigateToString(htmlWide.c_str());
} else {
// Queue the HTML content if WebView2 is not yet initialized
m_pendingHtml.enqueue(html);
}
}
void WebView2Widget::load(const QUrl &url) {
if (m_isInitialized && m_webview) {
std::wstring urlWide = url.toString().toStdWString();
m_webview->Navigate(urlWide.c_str());
} else {
// Queue the URL if WebView2 is not yet initialized
m_pendingUrls.enqueue(url);
}
}
void WebView2Widget::load(const QString &url) { load(QUrl(url)); }
|
