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// Copyright (c) 2012 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 "chrome/browser/ui/webui/constrained_html_ui.h"
#include "base/property_bag.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/gtk/constrained_window_gtk.h"
#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
#include "chrome/browser/ui/views/tab_contents/tab_contents_container.h"
#include "chrome/browser/ui/webui/html_dialog_tab_contents_delegate.h"
#include "chrome/browser/ui/webui/html_dialog_ui.h"
#include "content/public/browser/web_contents.h"
#include "ui/base/gtk/gtk_hig_constants.h"
#include "ui/gfx/size.h"
#include "ui/views/widget/native_widget_gtk.h"
using content::WebContents;
// ConstrainedHtmlDelegateGtk works with ConstrainedWindowGtk to present
// a TabContents in a ContraintedHtmlUI.
class ConstrainedHtmlDelegateGtk : public views::NativeWidgetGtk,
public ConstrainedHtmlUIDelegate,
public ConstrainedWindowGtkDelegate,
public HtmlDialogTabContentsDelegate {
public:
ConstrainedHtmlDelegateGtk(Profile* profile,
HtmlDialogUIDelegate* delegate);
~ConstrainedHtmlDelegateGtk();
void set_window(ConstrainedWindow* window) {
window_ = window;
}
// ConstrainedHtmlUIDelegate interface.
virtual HtmlDialogUIDelegate* GetHtmlDialogUIDelegate() OVERRIDE;
virtual void OnDialogCloseFromWebUI() OVERRIDE;
virtual void ReleaseTabContentsOnDialogClose() OVERRIDE {
release_tab_on_close_ = true;
}
virtual ConstrainedWindow* window() OVERRIDE {
return window_;
}
virtual TabContentsWrapper* tab() OVERRIDE {
return html_tab_contents_.get();
}
// ConstrainedWindowGtkDelegate implementation.
virtual GtkWidget* GetWidgetRoot() OVERRIDE {
return GetNativeView();
}
virtual GtkWidget* GetFocusWidget() OVERRIDE {
return html_tab_contents_->web_contents()->GetContentNativeView();
}
virtual void DeleteDelegate() OVERRIDE {
if (!closed_via_webui_)
html_delegate_->OnDialogClosed("");
tab_container_->ChangeWebContents(NULL);
}
virtual bool GetBackgroundColor(GdkColor* color) OVERRIDE {
*color = ui::kGdkWhite;
return true;
}
virtual bool ShouldHaveBorderPadding() const OVERRIDE {
return false;
}
// HtmlDialogTabContentsDelegate interface.
void HandleKeyboardEvent(const NativeWebKeyboardEvent& event) OVERRIDE {}
private:
scoped_ptr<TabContentsWrapper> html_tab_contents_;
TabContentsContainer* tab_container_;
HtmlDialogUIDelegate* html_delegate_;
// The constrained window that owns |this|. Saved so we can close it later.
ConstrainedWindow* window_;
// Was the dialog closed from WebUI (in which case |html_delegate_|'s
// OnDialogClosed() method has already been called)?
bool closed_via_webui_;
// If true, release |tab_| on close instead of destroying it.
bool release_tab_on_close_;
};
ConstrainedHtmlDelegateGtk::ConstrainedHtmlDelegateGtk(
Profile* profile,
HtmlDialogUIDelegate* delegate)
: views::NativeWidgetGtk(new views::Widget),
HtmlDialogTabContentsDelegate(profile),
tab_container_(NULL),
html_delegate_(delegate),
window_(NULL),
closed_via_webui_(false),
release_tab_on_close_(false) {
CHECK(delegate);
WebContents* web_contents =
WebContents::Create(profile, NULL, MSG_ROUTING_NONE, NULL, NULL);
html_tab_contents_.reset(new TabContentsWrapper(web_contents));
web_contents->SetDelegate(this);
// Set |this| as a property so the ConstrainedHtmlUI can retrieve it.
ConstrainedHtmlUI::GetPropertyAccessor().SetProperty(
web_contents->GetPropertyBag(), this);
web_contents->GetController().LoadURL(delegate->GetDialogContentURL(),
content::Referrer(),
content::PAGE_TRANSITION_START_PAGE,
std::string());
views::Widget::InitParams params(views::Widget::InitParams::TYPE_CONTROL);
params.native_widget = this;
GetWidget()->Init(params);
tab_container_ = new TabContentsContainer;
GetWidget()->SetContentsView(tab_container_);
tab_container_->ChangeWebContents(html_tab_contents_->web_contents());
gfx::Size dialog_size;
html_delegate_->GetDialogSize(&dialog_size);
gtk_widget_set_size_request(GetWidgetRoot(),
dialog_size.width(),
dialog_size.height());
}
ConstrainedHtmlDelegateGtk::~ConstrainedHtmlDelegateGtk() {
if (release_tab_on_close_)
ignore_result(html_tab_contents_.release());
}
HtmlDialogUIDelegate* ConstrainedHtmlDelegateGtk::GetHtmlDialogUIDelegate() {
return html_delegate_;
}
void ConstrainedHtmlDelegateGtk::OnDialogCloseFromWebUI() {
closed_via_webui_ = true;
window_->CloseConstrainedWindow();
}
// static
ConstrainedHtmlUIDelegate* ConstrainedHtmlUI::CreateConstrainedHtmlDialog(
Profile* profile,
HtmlDialogUIDelegate* delegate,
TabContentsWrapper* wrapper) {
ConstrainedHtmlDelegateGtk* constrained_delegate =
new ConstrainedHtmlDelegateGtk(profile, delegate);
ConstrainedWindow* constrained_window =
new ConstrainedWindowGtk(wrapper, constrained_delegate);
constrained_delegate->set_window(constrained_window);
return constrained_delegate;
}
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