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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 "content/public/browser/web_contents_delegate.h"
#include "base/compiler_specific.h"
#include "base/logging.h"
#include "base/memory/singleton.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_intents_dispatcher.h"
#include "content/public/common/url_constants.h"
#include "ui/gfx/rect.h"
#include "webkit/glue/web_intent_data.h"
namespace content {
WebContentsDelegate::WebContentsDelegate() {
}
WebContents* WebContentsDelegate::OpenURLFromTab(WebContents* source,
const OpenURLParams& params) {
return NULL;
}
bool WebContentsDelegate::IsPopupOrPanel(const WebContents* source) const {
return false;
}
bool WebContentsDelegate::IsApplication() const { return false; }
bool WebContentsDelegate::CanReloadContents(WebContents* source) const {
return true;
}
gfx::Rect WebContentsDelegate::GetRootWindowResizerRect() const {
return gfx::Rect();
}
bool WebContentsDelegate::ShouldSuppressDialogs() {
return false;
}
void WebContentsDelegate::BeforeUnloadFired(WebContents* tab,
bool proceed,
bool* proceed_to_fire_unload) {
*proceed_to_fire_unload = true;
}
bool WebContentsDelegate::ShouldFocusPageAfterCrash() {
return true;
}
bool WebContentsDelegate::TakeFocus(bool reverse) {
return false;
}
int WebContentsDelegate::GetExtraRenderViewHeight() const {
return 0;
}
bool WebContentsDelegate::CanDownload(RenderViewHost* render_view_host,
int request_id,
const std::string& request_method) {
return true;
}
bool WebContentsDelegate::HandleContextMenu(
const content::ContextMenuParams& params) {
return false;
}
bool WebContentsDelegate::ExecuteContextMenuCommand(int command) {
return false;
}
void WebContentsDelegate::ViewSourceForTab(WebContents* source,
const GURL& page_url) {
// Fall back implementation based entirely on the view-source scheme.
// It suffers from http://crbug.com/523 and that is why browser overrides
// it with proper implementation.
GURL url = GURL(chrome::kViewSourceScheme + std::string(":") +
page_url.spec());
OpenURLFromTab(source, OpenURLParams(url, Referrer(),
NEW_FOREGROUND_TAB,
PAGE_TRANSITION_LINK, false));
}
void WebContentsDelegate::ViewSourceForFrame(WebContents* source,
const GURL& frame_url,
const std::string& content_state) {
// Same as ViewSourceForTab, but for given subframe.
GURL url = GURL(chrome::kViewSourceScheme + std::string(":") +
frame_url.spec());
OpenURLFromTab(source, OpenURLParams(url, Referrer(),
NEW_FOREGROUND_TAB,
PAGE_TRANSITION_LINK, false));
}
bool WebContentsDelegate::PreHandleKeyboardEvent(
const NativeWebKeyboardEvent& event,
bool* is_keyboard_shortcut) {
return false;
}
bool WebContentsDelegate::OnGoToEntryOffset(int offset) {
return true;
}
bool WebContentsDelegate::ShouldAddNavigationToHistory(
const history::HistoryAddPageArgs& add_page_args,
NavigationType navigation_type) {
return true;
}
gfx::NativeWindow WebContentsDelegate::GetFrameNativeWindow() {
return NULL;
}
bool WebContentsDelegate::ShouldCreateWebContents(
WebContents* web_contents,
int route_id,
WindowContainerType window_container_type,
const string16& frame_name) {
return true;
}
JavaScriptDialogCreator* WebContentsDelegate::GetJavaScriptDialogCreator() {
return NULL;
}
bool WebContentsDelegate::IsFullscreenForTab(const WebContents* tab) const {
return false;
}
content::ColorChooser* WebContentsDelegate::OpenColorChooser(WebContents* tab,
int color_chooser_id,
const SkColor& color) {
return NULL;
}
void WebContentsDelegate::WebIntentDispatch(
WebContents* tab,
WebIntentsDispatcher* intents_dispatcher) {
// The caller passes this method ownership of the |intents_dispatcher|, but
// this empty implementation will not use it, so we delete it immediately.
delete intents_dispatcher;
}
WebContentsDelegate::~WebContentsDelegate() {
while (!attached_contents_.empty()) {
WebContents* web_contents = *attached_contents_.begin();
web_contents->SetDelegate(NULL);
}
DCHECK(attached_contents_.empty());
}
void WebContentsDelegate::Attach(WebContents* web_contents) {
DCHECK(attached_contents_.find(web_contents) == attached_contents_.end());
attached_contents_.insert(web_contents);
}
void WebContentsDelegate::Detach(WebContents* web_contents) {
DCHECK(attached_contents_.find(web_contents) != attached_contents_.end());
attached_contents_.erase(web_contents);
}
} // namespace content
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