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// Copyright (c) 2006-2009 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/extensions/extension_view.h"
#include "base/command_line.h"
#include "chrome/browser/browser.h"
#include "chrome/browser/character_encoding.h"
#include "chrome/browser/extensions/extension.h"
#include "chrome/browser/extensions/extension_message_service.h"
#include "chrome/browser/jsmessage_box_handler.h"
#include "chrome/browser/profile.h"
#include "chrome/browser/renderer_host/render_view_host.h"
#include "chrome/browser/renderer_host/render_process_host.h"
#include "chrome/browser/renderer_host/render_widget_host.h"
#include "chrome/browser/renderer_host/render_widget_host_view.h"
#include "chrome/browser/tab_contents/site_instance.h"
#include "chrome/browser/tab_contents/web_contents.h"
#include "chrome/browser/tab_contents/tab_contents_view.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/pref_service.h"
#include "chrome/common/resource_bundle.h"
#include "grit/browser_resources.h"
#include "grit/generated_resources.h"
#include "webkit/glue/context_menu.h"
ExtensionView::ExtensionView(Extension* extension,
const GURL& url,
SiteInstance* instance,
Browser* browser)
: HWNDHtmlView(url, this, false, instance),
extension_(extension),
browser_(browser),
did_stop_loading_(false),
pending_preferred_width_(0) {
}
ExtensionFunctionDispatcher* ExtensionView::
CreateExtensionFunctionDispatcher(RenderViewHost *render_view_host,
const std::string& extension_id) {
return new ExtensionFunctionDispatcher(render_view_host, browser_,
extension_id);
}
void ExtensionView::ShowIfCompletelyLoaded() {
// We wait to show the ExtensionView until it has loaded and our parent has
// given us a background. These can happen in different orders.
if (did_stop_loading_ && !render_view_host()->view()->background().empty()) {
SetVisible(true);
DidContentsPreferredWidthChange(pending_preferred_width_);
}
}
void ExtensionView::SetBackground(const SkBitmap& background) {
HWNDHtmlView::SetBackground(background);
ShowIfCompletelyLoaded();
}
void ExtensionView::DidStopLoading(RenderViewHost* render_view_host) {
render_view_host->WasResized();
did_stop_loading_ = true;
ShowIfCompletelyLoaded();
}
void ExtensionView::DidContentsPreferredWidthChange(const int pref_width) {
// Don't actually do anything with this information until we have been shown.
// Size changes will not be honored by lower layers while we are hidden.
if (!IsVisible()) {
pending_preferred_width_ = pref_width;
} else if (pref_width > 0) {
set_preferred_size(gfx::Size(pref_width, height()));
SizeToPreferredSize();
// TODO(rafaelw): This assumes that the extension view is a child of an
// ExtensionToolstrip, which is a child of the BookmarkBarView. There should
// be a way to do this where the ExtensionView doesn't have to know it's
// containment hierarchy.
if (GetParent() != NULL && GetParent()->GetParent() != NULL) {
GetParent()->GetParent()->Layout();
}
SchedulePaint();
}
}
void ExtensionView::CreatingRenderer() {
render_view_host()->AllowExtensionBindings();
SetVisible(false);
}
void ExtensionView::RenderViewCreated(RenderViewHost* rvh) {
URLRequestContext* context = rvh->process()->profile()->GetRequestContext();
ExtensionMessageService::GetInstance(context)->RegisterExtension(
extension_->id(), render_view_host()->process()->pid());
}
WebPreferences ExtensionView::GetWebkitPrefs() {
PrefService* prefs = render_view_host()->process()->profile()->GetPrefs();
bool isDomUI = true;
return RenderViewHostDelegateHelper::GetWebkitPrefs(prefs, isDomUI);
}
void ExtensionView::RunJavaScriptMessage(
const std::wstring& message,
const std::wstring& default_prompt,
const GURL& frame_url,
const int flags,
IPC::Message* reply_msg,
bool* did_suppress_message) {
// Automatically cancel the javascript alert (otherwise the renderer hangs
// indefinitely).
*did_suppress_message = true;
render_view_host()->JavaScriptMessageBoxClosed(reply_msg, true, L"");
}
void ExtensionView::DidStartLoading(RenderViewHost* render_view_host) {
static const StringPiece toolstrip_css(
ResourceBundle::GetSharedInstance().GetRawDataResource(
IDR_EXTENSIONS_TOOLSTRIP_CSS));
render_view_host->InsertCSSInWebFrame(L"", toolstrip_css.as_string());
}
RenderViewHostDelegate::View* ExtensionView::GetViewDelegate() const {
// TODO(erikkay) this is unfortunate. The interface declares that this method
// must be const (no good reason for it as far as I can tell) which means you
// can't return self without doing this const_cast. Either we need to change
// the interface, or we need to split out the view delegate into another
// object (which is how WebContents works).
return const_cast<ExtensionView*>(this);
}
void ExtensionView::CreateNewWindow(int route_id,
base::WaitableEvent* modal_dialog_event) {
delegate_view_helper_.CreateNewWindow(route_id, modal_dialog_event,
browser_->profile(), site_instance());
}
void ExtensionView::CreateNewWidget(int route_id, bool activatable) {
delegate_view_helper_.CreateNewWidget(route_id, activatable,
site_instance()->GetProcess());
}
void ExtensionView::ShowCreatedWindow(int route_id,
WindowOpenDisposition disposition,
const gfx::Rect& initial_pos,
bool user_gesture) {
WebContents* contents = delegate_view_helper_.GetCreatedWindow(route_id);
if (contents) {
browser_->AddTabContents(contents, disposition, initial_pos, user_gesture);
}
}
void ExtensionView::ShowCreatedWidget(int route_id,
const gfx::Rect& initial_pos) {
RenderWidgetHostView* widget_host_view =
delegate_view_helper_.GetCreatedWidget(route_id);
browser_->BrowserRenderWidgetShowing();
// TODO(erikkay): These two lines could be refactored with TabContentsView.
widget_host_view->InitAsPopup(render_view_host()->view(),
initial_pos);
widget_host_view->GetRenderWidgetHost()->Init();
}
void ExtensionView::ShowContextMenu(const ContextMenuParams& params) {
// TODO(erikkay) - This is a temporary hack. Show a menu here instead.
render_view_host()->InspectElementAt(params.x, params.y);
}
void ExtensionView::StartDragging(const WebDropData& drop_data) {
}
void ExtensionView::UpdateDragCursor(bool is_drop_target) {
}
void ExtensionView::TakeFocus(bool reverse) {
}
void ExtensionView::HandleKeyboardEvent(const NativeWebKeyboardEvent& event) {
}
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