180 lines
4.9 KiB
C++
180 lines
4.9 KiB
C++
// Copyright (c) 2013 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that
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// can be found in the LICENSE file.
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#include "tests/cefsimple/simple_handler.h"
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#include <sstream>
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#include <string>
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#include "include/base/cef_callback.h"
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#include "include/cef_app.h"
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#include "include/cef_parser.h"
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#include "include/views/cef_browser_view.h"
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#include "include/views/cef_window.h"
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#include "include/wrapper/cef_closure_task.h"
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#include "include/wrapper/cef_helpers.h"
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namespace {
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SimpleHandler* g_instance = nullptr;
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// Returns a data: URI with the specified contents.
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std::string GetDataURI(const std::string& data, const std::string& mime_type) {
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return "data:" + mime_type + ";base64," +
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CefURIEncode(CefBase64Encode(data.data(), data.size()), false)
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.ToString();
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}
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} // namespace
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SimpleHandler::SimpleHandler(bool is_alloy_style)
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: is_alloy_style_(is_alloy_style) {
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DCHECK(!g_instance);
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g_instance = this;
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}
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SimpleHandler::~SimpleHandler() {
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g_instance = nullptr;
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}
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// static
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SimpleHandler* SimpleHandler::GetInstance() {
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return g_instance;
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}
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void SimpleHandler::OnTitleChange(CefRefPtr<CefBrowser> browser,
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const CefString& title) {
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CEF_REQUIRE_UI_THREAD();
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if (auto browser_view = CefBrowserView::GetForBrowser(browser)) {
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// Set the title of the window using the Views framework.
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CefRefPtr<CefWindow> window = browser_view->GetWindow();
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if (window) {
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window->SetTitle(title);
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}
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} else if (is_alloy_style_) {
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// Set the title of the window using platform APIs.
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PlatformTitleChange(browser, title);
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}
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}
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void SimpleHandler::OnAfterCreated(CefRefPtr<CefBrowser> browser) {
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CEF_REQUIRE_UI_THREAD();
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// Sanity-check the configured runtime style.
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CHECK_EQ(is_alloy_style_ ? CEF_RUNTIME_STYLE_ALLOY : CEF_RUNTIME_STYLE_CHROME,
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browser->GetHost()->GetRuntimeStyle());
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// Add to the list of existing browsers.
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browser_list_.push_back(browser);
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}
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bool SimpleHandler::DoClose(CefRefPtr<CefBrowser> browser) {
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CEF_REQUIRE_UI_THREAD();
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// Closing the main window requires special handling. See the DoClose()
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// documentation in the CEF header for a detailed destription of this
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// process.
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if (browser_list_.size() == 1) {
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// Set a flag to indicate that the window close should be allowed.
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is_closing_ = true;
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}
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// Allow the close. For windowed browsers this will result in the OS close
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// event being sent.
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return false;
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}
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void SimpleHandler::OnBeforeClose(CefRefPtr<CefBrowser> browser) {
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CEF_REQUIRE_UI_THREAD();
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// Remove from the list of existing browsers.
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BrowserList::iterator bit = browser_list_.begin();
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for (; bit != browser_list_.end(); ++bit) {
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if ((*bit)->IsSame(browser)) {
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browser_list_.erase(bit);
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break;
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}
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}
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if (browser_list_.empty()) {
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// All browser windows have closed. Quit the application message loop.
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CefQuitMessageLoop();
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}
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}
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void SimpleHandler::OnLoadError(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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ErrorCode errorCode,
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const CefString& errorText,
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const CefString& failedUrl) {
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CEF_REQUIRE_UI_THREAD();
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// Allow Chrome to show the error page.
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if (!is_alloy_style_) {
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return;
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}
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// Don't display an error for downloaded files.
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if (errorCode == ERR_ABORTED) {
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return;
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}
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// Display a load error message using a data: URI.
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std::stringstream ss;
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ss << "<html><body bgcolor=\"white\">"
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"<h2>Failed to load URL "
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<< std::string(failedUrl) << " with error " << std::string(errorText)
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<< " (" << errorCode << ").</h2></body></html>";
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frame->LoadURL(GetDataURI(ss.str(), "text/html"));
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}
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void SimpleHandler::ShowMainWindow() {
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if (!CefCurrentlyOn(TID_UI)) {
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// Execute on the UI thread.
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CefPostTask(TID_UI, base::BindOnce(&SimpleHandler::ShowMainWindow, this));
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return;
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}
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if (browser_list_.empty()) {
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return;
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}
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auto main_browser = browser_list_.front();
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if (auto browser_view = CefBrowserView::GetForBrowser(main_browser)) {
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// Show the window using the Views framework.
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if (auto window = browser_view->GetWindow()) {
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window->Show();
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}
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} else if (is_alloy_style_) {
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PlatformShowWindow(main_browser);
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}
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}
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void SimpleHandler::CloseAllBrowsers(bool force_close) {
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if (!CefCurrentlyOn(TID_UI)) {
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// Execute on the UI thread.
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CefPostTask(TID_UI, base::BindOnce(&SimpleHandler::CloseAllBrowsers, this,
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force_close));
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return;
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}
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if (browser_list_.empty()) {
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return;
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}
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BrowserList::const_iterator it = browser_list_.begin();
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for (; it != browser_list_.end(); ++it) {
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(*it)->GetHost()->CloseBrowser(force_close);
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}
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}
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#if !defined(OS_MAC)
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void SimpleHandler::PlatformShowWindow(CefRefPtr<CefBrowser> browser) {
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NOTIMPLEMENTED();
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}
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#endif
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