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https://bitbucket.org/chromiumembedded/cef
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Initial commit of libcef and cefclient projects.
git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@2 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt
354
libcef/browser_webview_delegate_win.cc
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354
libcef/browser_webview_delegate_win.cc
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// Copyright (c) 2008 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// This file contains the implementation of BrowserWebViewDelegate, which serves
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// as the WebViewDelegate for the BrowserWebHost. The host is expected to
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// have initialized a MessageLoop before these methods are called.
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#include "precompiled_libcef.h"
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#include "browser_webview_delegate.h"
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#include "browser_drag_delegate.h"
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#include "browser_drop_delegate.h"
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#include "browser_navigation_controller.h"
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#include "browser_impl.h"
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#include "context.h"
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#include <objidl.h>
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#include <shlobj.h>
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#include <shlwapi.h>
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#include "base/gfx/point.h"
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#include "base/message_loop.h"
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#include "base/string_util.h"
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#include "base/trace_event.h"
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#include "net/base/net_errors.h"
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#include "webkit/glue/webdatasource.h"
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#include "webkit/glue/webdropdata.h"
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#include "webkit/glue/weberror.h"
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#include "webkit/glue/webframe.h"
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#include "webkit/glue/webpreferences.h"
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#include "webkit/glue/weburlrequest.h"
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#include "webkit/glue/webkit_glue.h"
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#include "webkit/glue/webview.h"
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#include "webkit/glue/plugins/plugin_list.h"
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#include "webkit/glue/plugins/webplugin_delegate_impl.h"
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#include "webkit/glue/window_open_disposition.h"
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// WebViewDelegate -----------------------------------------------------------
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BrowserWebViewDelegate::~BrowserWebViewDelegate() {
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if (custom_cursor_)
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DestroyIcon(custom_cursor_);
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RevokeDragDrop(browser_->UIT_GetWebViewWndHandle());
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}
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WebPluginDelegate* BrowserWebViewDelegate::CreatePluginDelegate(
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WebView* webview,
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const GURL& url,
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const std::string& mime_type,
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const std::string& clsid,
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std::string* actual_mime_type) {
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HWND hwnd = GetContainingWindow(webview);
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if (!hwnd)
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return NULL;
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bool allow_wildcard = true;
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WebPluginInfo info;
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if (!NPAPI::PluginList::Singleton()->GetPluginInfo(url, mime_type, clsid,
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allow_wildcard, &info,
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actual_mime_type))
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return NULL;
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if (actual_mime_type && !actual_mime_type->empty())
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return WebPluginDelegateImpl::Create(info.file, *actual_mime_type, hwnd);
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else
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return WebPluginDelegateImpl::Create(info.file, mime_type, hwnd);
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}
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void BrowserWebViewDelegate::Show(WebWidget* webwidget, WindowOpenDisposition) {
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if (webwidget == browser_->UIT_GetWebView()) {
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ShowWindow(browser_->UIT_GetMainWndHandle(), SW_SHOW);
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UpdateWindow(browser_->UIT_GetMainWndHandle());
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} else if (webwidget == browser_->UIT_GetPopup()) {
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ShowWindow(browser_->UIT_GetPopupWndHandle(), SW_SHOW);
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UpdateWindow(browser_->UIT_GetPopupWndHandle());
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}
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}
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void BrowserWebViewDelegate::CloseWidgetSoon(WebWidget* webwidget) {
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if (webwidget == browser_->UIT_GetWebView()) {
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PostMessage(browser_->UIT_GetMainWndHandle(), WM_CLOSE, 0, 0);
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} else if (webwidget == browser_->UIT_GetPopup()) {
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browser_->UIT_ClosePopupWidget();
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}
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}
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void BrowserWebViewDelegate::SetCursor(WebWidget* webwidget,
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const WebCursor& cursor) {
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if (WebWidgetHost* host = GetHostForWidget(webwidget)) {
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if (custom_cursor_) {
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DestroyIcon(custom_cursor_);
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custom_cursor_ = NULL;
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}
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if (cursor.IsCustom()) {
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custom_cursor_ = cursor.GetCustomCursor();
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host->SetCursor(custom_cursor_);
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} else {
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HINSTANCE mod_handle = GetModuleHandle(NULL);
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host->SetCursor(cursor.GetCursor(mod_handle));
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}
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}
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}
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void BrowserWebViewDelegate::GetWindowRect(WebWidget* webwidget,
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gfx::Rect* out_rect) {
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if (WebWidgetHost* host = GetHostForWidget(webwidget)) {
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RECT rect;
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::GetWindowRect(host->window_handle(), &rect);
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*out_rect = gfx::Rect(rect);
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}
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}
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void BrowserWebViewDelegate::SetWindowRect(WebWidget* webwidget,
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const gfx::Rect& rect) {
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if (webwidget == browser_->UIT_GetWebView()) {
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// ignored
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} else if (webwidget == browser_->UIT_GetPopup()) {
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MoveWindow(browser_->UIT_GetPopupWndHandle(),
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rect.x(), rect.y(), rect.width(), rect.height(), FALSE);
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}
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}
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void BrowserWebViewDelegate::GetRootWindowRect(WebWidget* webwidget,
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gfx::Rect* out_rect) {
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if (WebWidgetHost* host = GetHostForWidget(webwidget)) {
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RECT rect;
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HWND root_window = ::GetAncestor(host->window_handle(), GA_ROOT);
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::GetWindowRect(root_window, &rect);
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*out_rect = gfx::Rect(rect);
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}
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}
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void BrowserWebViewDelegate::GetRootWindowResizerRect(WebWidget* webwidget,
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gfx::Rect* out_rect) {
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// Not necessary on Windows.
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*out_rect = gfx::Rect();
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}
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void BrowserWebViewDelegate::RunModal(WebWidget* webwidget) {
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Show(webwidget, NEW_WINDOW);
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CefContext::BrowserList *list;
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CefContext::BrowserList::const_iterator i;
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_Context->Lock();
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list = _Context->GetBrowserList();
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i = list->begin();
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for (; i != list->end(); ++i) {
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if (i->get()->IsPopup())
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EnableWindow(i->get()->UIT_GetMainWndHandle(), FALSE);
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}
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_Context->Unlock();
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browser_->UIT_SetIsModal(true);
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MessageLoop::current()->Run();
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_Context->Lock();
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list = _Context->GetBrowserList();
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i = list->begin();
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for (; i != list->end(); ++i)
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EnableWindow(i->get()->UIT_GetMainWndHandle(), TRUE);
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_Context->Unlock();
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}
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static void AddMenuItem(CefRefPtr<CefBrowser> browser, HMENU menu, int index,
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CefHandler::MenuId id, const wchar_t* label,
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bool enabled, std::list<std::wstring>& label_list)
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{
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std::wstring actual_label = label;
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CefRefPtr<CefHandler> handler = browser->GetHandler();
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if(handler.get()) {
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// Let the handler change the label if desired
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handler->HandleGetMenuLabel(browser, id, actual_label);
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}
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// store the label in a list to simplify memory management
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label_list.push_back(actual_label);
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MENUITEMINFO mii;
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mii.cbSize = sizeof(mii);
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mii.fMask = MIIM_FTYPE | MIIM_ID | MIIM_STRING;
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mii.fType = MFT_STRING;
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if(!enabled) {
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mii.fMask |= MIIM_STATE;
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mii.fState = MFS_GRAYED;
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}
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mii.wID = id;
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mii.dwTypeData = const_cast<wchar_t*>(label_list.back().c_str());
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InsertMenuItem(menu, index, TRUE, &mii);
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}
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static void AddMenuSeparator(HMENU menu, int index)
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{
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MENUITEMINFO mii;
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mii.cbSize = sizeof(mii);
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mii.fMask = MIIM_FTYPE;
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mii.fType = MFT_SEPARATOR;
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InsertMenuItem(menu, index, TRUE, &mii);
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}
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void BrowserWebViewDelegate::ShowContextMenu(WebView* webview,
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ContextNode::Type type,
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int x,
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int y,
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const GURL& link_url,
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const GURL& image_url,
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const GURL& page_url,
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const GURL& frame_url,
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const std::wstring& selection_text,
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const std::wstring& misspelled_word,
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int edit_flags,
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const std::string& security_info) {
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POINT screen_pt = { x, y };
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MapWindowPoints(browser_->UIT_GetMainWndHandle(), HWND_DESKTOP,
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&screen_pt, 1);
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HMENU menu = NULL;
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std::list<std::wstring> label_list;
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// Enable recursive tasks on the message loop so we can get updates while
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// the context menu is being displayed.
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bool old_state = MessageLoop::current()->NestableTasksAllowed();
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MessageLoop::current()->SetNestableTasksAllowed(true);
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if(browser_->UIT_CanGoBack())
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edit_flags |= CefHandler::CAN_GO_BACK;
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if(browser_->UIT_CanGoForward())
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edit_flags |= CefHandler::CAN_GO_FORWARD;
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CefRefPtr<CefHandler> handler = browser_->GetHandler();
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if(handler.get()) {
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// Gather menu information
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CefHandler::MenuInfo menuInfo;
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menuInfo.menuType = static_cast<CefHandler::MenuType>(type);
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menuInfo.x = screen_pt.x;
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menuInfo.y = screen_pt.y;
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menuInfo.linkUrl = UTF8ToWide(link_url.spec().c_str()).c_str();
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menuInfo.imageUrl = UTF8ToWide(image_url.spec().c_str()).c_str();
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menuInfo.pageUrl = UTF8ToWide(page_url.spec().c_str()).c_str();
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menuInfo.frameUrl = UTF8ToWide(frame_url.spec().c_str()).c_str();
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menuInfo.selectionText = selection_text;
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menuInfo.misspelledWord = misspelled_word;
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menuInfo.editFlags = edit_flags;
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menuInfo.securityInfo = security_info;
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// Notify the handler that a context menu is requested
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CefHandler::RetVal rv = handler->HandleBeforeMenu(browser_, menuInfo);
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if(rv == CefHandler::RV_HANDLED)
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goto end;
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}
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// Build the correct default context menu
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switch(type) {
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case ContextNode::EDITABLE:
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menu = CreatePopupMenu();
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AddMenuItem(browser_, menu, -1, CefHandler::ID_UNDO, L"Undo",
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!!(edit_flags & ContextNode::CAN_UNDO), label_list);
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AddMenuItem(browser_, menu, -1, CefHandler::ID_REDO, L"Redo",
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!!(edit_flags & ContextNode::CAN_REDO), label_list);
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AddMenuSeparator(menu, -1);
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AddMenuItem(browser_, menu, -1, CefHandler::ID_CUT, L"Cut",
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!!(edit_flags & ContextNode::CAN_CUT), label_list);
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AddMenuItem(browser_, menu, -1, CefHandler::ID_COPY, L"Copy",
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!!(edit_flags & ContextNode::CAN_COPY), label_list);
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AddMenuItem(browser_, menu, -1, CefHandler::ID_PASTE, L"Paste",
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!!(edit_flags & ContextNode::CAN_PASTE), label_list);
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AddMenuItem(browser_, menu, -1, CefHandler::ID_DELETE, L"Delete",
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!!(edit_flags & ContextNode::CAN_DELETE), label_list);
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AddMenuSeparator(menu, -1);
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AddMenuItem(browser_, menu, -1, CefHandler::ID_SELECTALL, L"Select All",
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!!(edit_flags & ContextNode::CAN_SELECT_ALL), label_list);
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break;
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case ContextNode::SELECTION:
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menu = CreatePopupMenu();
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AddMenuItem(browser_, menu, -1, CefHandler::ID_COPY, L"Copy",
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!!(edit_flags & ContextNode::CAN_COPY), label_list);
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break;
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case ContextNode::PAGE:
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case ContextNode::FRAME:
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menu = CreatePopupMenu();
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AddMenuItem(browser_, menu, -1, CefHandler::ID_NAV_BACK, L"Back",
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browser_->UIT_CanGoBack(), label_list);
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AddMenuItem(browser_, menu, -1, CefHandler::ID_NAV_FORWARD, L"Forward",
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browser_->UIT_CanGoForward(), label_list);
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AddMenuSeparator(menu, -1);
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AddMenuItem(browser_, menu, -1, CefHandler::ID_PRINT, L"Print",
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true, label_list);
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AddMenuItem(browser_, menu, -1, CefHandler::ID_VIEWSOURCE, L"View Source",
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true, label_list);
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break;
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}
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if(menu) {
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// show the context menu
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int selected_id = TrackPopupMenu(menu,
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TPM_LEFTALIGN | TPM_RIGHTBUTTON | TPM_RETURNCMD | TPM_RECURSE,
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screen_pt.x, screen_pt.y, 0, browser_->UIT_GetMainWndHandle(), NULL);
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if(selected_id != 0) {
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// An action was chosen
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CefHandler::MenuId menuId = static_cast<CefHandler::MenuId>(selected_id);
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bool handled = false;
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if(handler.get()) {
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// Ask the handler if it wants to handle the action
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CefHandler::RetVal rv = handler->HandleMenuAction(browser_, menuId);
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handled = (rv == CefHandler::RV_HANDLED);
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}
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if(!handled) {
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// Execute the action
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browser_->UIT_HandleAction(menuId, CefBrowser::TF_FOCUSED);
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}
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}
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}
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DestroyMenu(menu);
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end:
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MessageLoop::current()->SetNestableTasksAllowed(old_state);
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}
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// Private methods -----------------------------------------------------------
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void BrowserWebViewDelegate::ShowJavaScriptAlert(WebView* webview,
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const std::wstring& message)
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{
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// TODO(cef): Think about what we should be showing as the prompt caption
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MessageBox(browser_->UIT_GetMainWndHandle(), message.c_str(),
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browser_->UIT_GetTitle().c_str(), MB_OK | MB_ICONWARNING);
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}
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bool BrowserWebViewDelegate::ShowJavaScriptConfirm(WebView* webview,
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const std::wstring& message)
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{
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// TODO(cef): Think about what we should be showing as the prompt caption
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int rv = MessageBox(browser_->UIT_GetMainWndHandle(), message.c_str(),
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browser_->UIT_GetTitle().c_str(),
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MB_YESNO | MB_ICONQUESTION);
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return (rv == IDYES);
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}
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bool BrowserWebViewDelegate::ShowJavaScriptPrompt(WebView* webview,
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const std::wstring& message,
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const std::wstring& default_value,
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std::wstring* result)
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{
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// TODO(cef): Implement a default prompt dialog
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return false;
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}
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