cef/libcef/browser_webview_delegate_gt...

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// Copyright (c) 2011 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "browser_webview_delegate.h"
#include "browser_impl.h"
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
#include "base/message_loop.h"
#include "gfx/gtk_util.h"
#include "gfx/point.h"
#include "third_party/WebKit/WebKit/chromium/public/WebCursorInfo.h"
#include "third_party/WebKit/WebKit/chromium/public/WebFrame.h"
#include "third_party/WebKit/WebKit/chromium/public/WebRect.h"
#include "third_party/WebKit/WebKit/chromium/public/WebString.h"
#include "third_party/WebKit/WebKit/chromium/public/WebView.h"
#include "webkit/glue/webcursor.h"
#include "webkit/glue/webdropdata.h"
#include "webkit/glue/webpreferences.h"
#include "webkit/glue/window_open_disposition.h"
#include "webkit/plugins/npapi/gtk_plugin_container_manager.h"
#include "webkit/plugins/npapi/plugin_list.h"
#include "webkit/plugins/npapi/webplugin.h"
#include "webkit/plugins/npapi/webplugin_delegate_impl.h"
using WebKit::WebCursorInfo;
using WebKit::WebFrame;
using WebKit::WebNavigationPolicy;
using WebKit::WebPopupMenuInfo;
using WebKit::WebRect;
using WebKit::WebWidget;
using WebKit::WebView;
namespace {
enum SelectionClipboardType {
TEXT_HTML,
PLAIN_TEXT,
};
GdkAtom GetTextHtmlAtom() {
GdkAtom kTextHtmlGdkAtom = gdk_atom_intern_static_string("text/html");
return kTextHtmlGdkAtom;
}
void SelectionClipboardGetContents(GtkClipboard* clipboard,
GtkSelectionData* selection_data, guint info, gpointer data) {
// Ignore formats that we don't know about.
if (info != TEXT_HTML && info != PLAIN_TEXT)
return;
WebView* webview = static_cast<WebView*>(data);
WebFrame* frame = webview->focusedFrame();
if (!frame)
frame = webview->mainFrame();
DCHECK(frame);
std::string selection;
if (TEXT_HTML == info) {
selection = frame->selectionAsMarkup().utf8();
} else {
selection = frame->selectionAsText().utf8();
}
if (TEXT_HTML == info) {
gtk_selection_data_set(selection_data,
GetTextHtmlAtom(),
8 /* bits per data unit, ie, char */,
reinterpret_cast<const guchar*>(selection.data()),
selection.length());
} else {
gtk_selection_data_set_text(selection_data, selection.data(),
selection.length());
}
}
} // namespace
// WebViewClient --------------------------------------------------------------
WebWidget* BrowserWebViewDelegate::createPopupMenu(
const WebPopupMenuInfo& info) {
NOTREACHED();
return NULL;
}
void BrowserWebViewDelegate::showContextMenu(
WebKit::WebFrame* frame, const WebKit::WebContextMenuData& data) {
NOTIMPLEMENTED();
}
// WebWidgetClient ------------------------------------------------------------
void BrowserWebViewDelegate::show(WebNavigationPolicy policy) {
WebWidgetHost* host = GetWidgetHost();
GtkWidget* drawing_area = host->view_handle();
GtkWidget* window =
gtk_widget_get_parent(gtk_widget_get_parent(drawing_area));
gtk_widget_show_all(window);
}
void BrowserWebViewDelegate::closeWidgetSoon() {
if (this == browser_->GetWebViewDelegate()) {
MessageLoop::current()->PostTask(FROM_HERE, NewRunnableFunction(
&gtk_widget_destroy, GTK_WIDGET(browser_->GetMainWndHandle())));
} else if (this == browser_->GetPopupDelegate()) {
browser_->UIT_ClosePopupWidget();
}
}
void BrowserWebViewDelegate::didChangeCursor(const WebCursorInfo& cursor_info) {
current_cursor_.InitFromCursorInfo(cursor_info);
GdkCursorType cursor_type =
static_cast<GdkCursorType>(current_cursor_.GetCursorType());
GdkCursor* gdk_cursor;
if (cursor_type == GDK_CURSOR_IS_PIXMAP) {
// TODO(port): WebKit bug https://bugs.webkit.org/show_bug.cgi?id=16388 is
// that calling gdk_window_set_cursor repeatedly is expensive. We should
// avoid it here where possible.
gdk_cursor = current_cursor_.GetCustomCursor();
} else {
// Optimize the common case, where the cursor hasn't changed.
// However, we can switch between different pixmaps, so only on the
// non-pixmap branch.
if (cursor_type_ == cursor_type)
return;
if (cursor_type == GDK_LAST_CURSOR)
gdk_cursor = NULL;
else
gdk_cursor = gfx::GetCursor(cursor_type);
}
cursor_type_ = cursor_type;
gdk_window_set_cursor(browser_->GetWebViewWndHandle()->window, gdk_cursor);
}
WebRect BrowserWebViewDelegate::windowRect() {
WebWidgetHost* host = GetWidgetHost();
GtkWidget* drawing_area = host->view_handle();
GtkWidget* vbox = gtk_widget_get_parent(drawing_area);
GtkWidget* window = gtk_widget_get_parent(vbox);
gint x, y;
gtk_window_get_position(GTK_WINDOW(window), &x, &y);
x += vbox->allocation.x + drawing_area->allocation.x;
y += vbox->allocation.y + drawing_area->allocation.y;
return WebRect(x, y,
drawing_area->allocation.width,
drawing_area->allocation.height);
}
void BrowserWebViewDelegate::setWindowRect(const WebRect& rect) {
if (this == browser_->GetWebViewDelegate()) {
// TODO(port): Set the window rectangle.
} else if (this == browser_->GetPopupDelegate()) {
WebWidgetHost* host = GetWidgetHost();
GtkWidget* drawing_area = host->view_handle();
GtkWidget* window =
gtk_widget_get_parent(gtk_widget_get_parent(drawing_area));
gtk_window_resize(GTK_WINDOW(window), rect.width, rect.height);
gtk_window_move(GTK_WINDOW(window), rect.x, rect.y);
}
}
WebRect BrowserWebViewDelegate::rootWindowRect() {
if (WebWidgetHost* host = GetWidgetHost()) {
// We are being asked for the x/y and width/height of the entire browser
// window. This means the x/y is the distance from the corner of the
// screen, and the width/height is the size of the entire browser window.
// For example, this is used to implement window.screenX and window.screenY.
GtkWidget* drawing_area = host->view_handle();
GtkWidget* window =
gtk_widget_get_parent(gtk_widget_get_parent(drawing_area));
gint x, y, width, height;
gtk_window_get_position(GTK_WINDOW(window), &x, &y);
gtk_window_get_size(GTK_WINDOW(window), &width, &height);
return WebRect(x, y, width, height);
}
return WebRect();
}
WebRect BrowserWebViewDelegate::windowResizerRect() {
// Not necessary on Linux.
return WebRect();
}
void BrowserWebViewDelegate::runModal() {
NOTIMPLEMENTED();
}
// WebPluginPageDelegate ------------------------------------------------------
webkit::npapi::WebPluginDelegate* BrowserWebViewDelegate::CreatePluginDelegate(
const FilePath& path,
const std::string& mime_type) {
// TODO(evanm): we probably shouldn't be doing this mapping to X ids at
// this level.
GdkNativeWindow plugin_parent =
GDK_WINDOW_XWINDOW(browser_->GetWebViewHost()->view_handle()->window);
return webkit::npapi::WebPluginDelegateImpl::Create(path, mime_type,
plugin_parent);
}
void BrowserWebViewDelegate::CreatedPluginWindow(
gfx::PluginWindowHandle id) {
browser_->GetWebViewHost()->CreatePluginContainer(id);
}
void BrowserWebViewDelegate::WillDestroyPluginWindow(
gfx::PluginWindowHandle id) {
browser_->GetWebViewHost()->DestroyPluginContainer(id);
}
void BrowserWebViewDelegate::DidMovePlugin(
const webkit::npapi::WebPluginGeometry& move) {
WebWidgetHost* host = GetWidgetHost();
webkit::npapi::GtkPluginContainerManager* plugin_container_manager =
static_cast<WebViewHost*>(host)->plugin_container_manager();
plugin_container_manager->MovePluginContainer(move);
}
// Protected methods ----------------------------------------------------------
void BrowserWebViewDelegate::ShowJavaScriptAlert(
WebKit::WebFrame* webframe, const CefString& message) {
NOTIMPLEMENTED();
}
bool BrowserWebViewDelegate::ShowJavaScriptConfirm(
WebKit::WebFrame* webframe, const CefString& message) {
NOTIMPLEMENTED();
return false;
}
bool BrowserWebViewDelegate::ShowJavaScriptPrompt(
WebKit::WebFrame* webframe, const CefString& message,
const CefString& default_value, CefString* result) {
NOTIMPLEMENTED();
return false;
}
// Called to show the file chooser dialog.
bool BrowserWebViewDelegate::ShowFileChooser(std::vector<FilePath>& file_names,
const bool multi_select,
const WebKit::WebString& title,
const FilePath& default_file) {
NOTIMPLEMENTED();
return false;
}