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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/panels/panel_host.h"
#include "base/logging.h"
#include "base/message_loop.h"
#include "chrome/browser/chrome_page_zoom.h"
#include "chrome/browser/favicon/favicon_tab_helper.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/panels/panel.h"
#include "chrome/browser/view_type_utils.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/extensions/extension_messages.h"
#include "content/public/browser/invalidate_type.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/site_instance.h"
#include "content/public/browser/user_metrics.h"
#include "content/public/browser/web_contents.h"
#include "ui/gfx/image/image.h"
#include "ipc/ipc_message.h"
#include "ipc/ipc_message_macros.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/rect.h"
using content::UserMetricsAction;
PanelHost::PanelHost(Panel* panel, Profile* profile)
: panel_(panel),
profile_(profile),
extension_function_dispatcher_(profile, this),
weak_factory_(this) {
}
PanelHost::~PanelHost() {
}
void PanelHost::Init(const GURL& url) {
if (url.is_empty())
return;
web_contents_.reset(content::WebContents::Create(
profile_, content::SiteInstance::CreateForURL(profile_, url),
MSG_ROUTING_NONE, NULL, NULL));
chrome::SetViewType(web_contents_.get(), chrome::VIEW_TYPE_PANEL);
web_contents_->SetDelegate(this);
content::WebContentsObserver::Observe(web_contents_.get());
favicon_tab_helper_.reset(new FaviconTabHelper(web_contents_.get()));
web_contents_->GetController().LoadURL(
url, content::Referrer(), content::PAGE_TRANSITION_LINK, std::string());
}
void PanelHost::DestroyWebContents() {
web_contents_.reset();
favicon_tab_helper_.reset();
}
SkBitmap PanelHost::GetPageIcon() const {
// TODO: Make this function return gfx::Image.
return favicon_tab_helper_.get() ?
favicon_tab_helper_->GetFavicon().AsBitmap() : SkBitmap();
}
void PanelHost::NavigationStateChanged(const content::WebContents* source,
unsigned changed_flags) {
// Only need to update the title if the title changed while not loading,
// because the title is also updated when loading state changes.
if ((changed_flags & content::INVALIDATE_TYPE_TAB) ||
((changed_flags & content::INVALIDATE_TYPE_TITLE) &&
!source->IsLoading()))
panel_->UpdateTitleBar();
}
void PanelHost::ActivateContents(content::WebContents* contents) {
panel_->Activate();
}
void PanelHost::DeactivateContents(content::WebContents* contents) {
panel_->Deactivate();
}
void PanelHost::LoadingStateChanged(content::WebContents* source) {
bool is_loading = source->IsLoading();
panel_->LoadingStateChanged(is_loading);
}
void PanelHost::CloseContents(content::WebContents* source) {
panel_->Close();
}
void PanelHost::MoveContents(content::WebContents* source,
const gfx::Rect& pos) {
panel_->SetBounds(pos);
}
bool PanelHost::IsPopupOrPanel(const content::WebContents* source) const {
return true;
}
void PanelHost::ContentsZoomChange(bool zoom_in) {
Zoom(zoom_in ? content::PAGE_ZOOM_IN : content::PAGE_ZOOM_OUT);
}
bool PanelHost::IsApplication() const {
return true;
}
bool PanelHost::HandleContextMenu(const content::ContextMenuParams& params) {
return true; // Disallow context menu.
}
void PanelHost::HandleKeyboardEvent(
const content::NativeWebKeyboardEvent& event) {
return panel_->HandleKeyboardEvent(event);
}
void PanelHost::WebContentsFocused(content::WebContents* contents) {
panel_->WebContentsFocused(contents);
}
void PanelHost::ResizeDueToAutoResize(content::WebContents* web_contents,
const gfx::Size& new_size) {
panel_->OnContentsAutoResized(new_size);
}
void PanelHost::RenderViewGone(base::TerminationStatus status) {
CloseContents(web_contents_.get());
}
void PanelHost::WebContentsDestroyed(content::WebContents* web_contents) {
// Close the panel after we return to the message loop (not immediately,
// otherwise, it may destroy this object before the stack has a chance
// to cleanly unwind.)
MessageLoop::current()->PostTask(
FROM_HERE,
base::Bind(&PanelHost::ClosePanel, weak_factory_.GetWeakPtr()));
}
void PanelHost::ClosePanel() {
panel_->Close();
}
bool PanelHost::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PanelHost, message)
IPC_MESSAGE_HANDLER(ExtensionHostMsg_Request, OnRequest)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void PanelHost::OnRequest(const ExtensionHostMsg_Request_Params& params) {
if (!web_contents_.get())
return;
extension_function_dispatcher_.Dispatch(params,
web_contents_->GetRenderViewHost());
}
extensions::WindowController* PanelHost::GetExtensionWindowController() const {
return panel_->extension_window_controller();
}
content::WebContents* PanelHost::GetAssociatedWebContents() const {
return web_contents_.get();
}
void PanelHost::Reload() {
content::RecordAction(UserMetricsAction("Reload"));
web_contents_->GetController().Reload(true);
}
void PanelHost::ReloadIgnoringCache() {
content::RecordAction(UserMetricsAction("ReloadIgnoringCache"));
web_contents_->GetController().ReloadIgnoringCache(true);
}
void PanelHost::StopLoading() {
content::RecordAction(UserMetricsAction("Stop"));
web_contents_->Stop();
}
void PanelHost::Zoom(content::PageZoom zoom) {
chrome_page_zoom::Zoom(web_contents_.get(), zoom);
}
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