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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/common/url_constants.h"
#include "content/public/common/bindings_policy.h"
#include "ui/gfx/rect.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::CanLoadDataURLsInWebUI() const { return false; }
bool WebContentsDelegate::CanOverscrollContent() const { return false; }
gfx::Rect WebContentsDelegate::GetRootWindowResizerRect() const {
return gfx::Rect();
}
bool WebContentsDelegate::ShouldSuppressDialogs() {
return false;
}
bool WebContentsDelegate::AddMessageToConsole(WebContents* source,
int32 level,
const base::string16& message,
int32 line_no,
const base::string16& source_id) {
return false;
}
void WebContentsDelegate::BeforeUnloadFired(WebContents* web_contents,
bool proceed,
bool* proceed_to_fire_unload) {
*proceed_to_fire_unload = true;
}
bool WebContentsDelegate::ShouldFocusLocationBarByDefault(WebContents* source) {
return false;
}
bool WebContentsDelegate::ShouldFocusPageAfterCrash() {
return true;
}
bool WebContentsDelegate::TakeFocus(WebContents* source, bool reverse) {
return false;
}
int WebContentsDelegate::GetExtraRenderViewHeight() const {
return 0;
}
void WebContentsDelegate::CanDownload(
RenderViewHost* render_view_host,
int request_id,
const std::string& request_method,
const base::Callback<void(bool)>& callback) {
callback.Run(true);
}
bool WebContentsDelegate::HandleContextMenu(
const content::ContextMenuParams& params) {
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(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 PageState& page_state) {
// Same as ViewSourceForTab, but for given subframe.
GURL url = GURL(kViewSourceScheme + std::string(":") + frame_url.spec());
OpenURLFromTab(source, OpenURLParams(url, Referrer(),
NEW_FOREGROUND_TAB,
PAGE_TRANSITION_LINK, false));
}
bool WebContentsDelegate::PreHandleKeyboardEvent(
WebContents* source,
const NativeWebKeyboardEvent& event,
bool* is_keyboard_shortcut) {
return false;
}
bool WebContentsDelegate::CanDragEnter(
WebContents* source,
const DropData& data,
blink::WebDragOperationsMask operations_allowed) {
return true;
}
bool WebContentsDelegate::OnGoToEntryOffset(int offset) {
return true;
}
bool WebContentsDelegate::ShouldCreateWebContents(
WebContents* web_contents,
int route_id,
WindowContainerType window_container_type,
const base::string16& frame_name,
const GURL& target_url,
const std::string& partition_id,
SessionStorageNamespace* session_storage_namespace) {
return true;
}
JavaScriptDialogManager* WebContentsDelegate::GetJavaScriptDialogManager() {
return NULL;
}
bool WebContentsDelegate::EmbedsFullscreenWidget() const {
return false;
}
bool WebContentsDelegate::IsFullscreenForTabOrPending(
const WebContents* web_contents) const {
return false;
}
content::ColorChooser* WebContentsDelegate::OpenColorChooser(
WebContents* web_contents,
SkColor color,
const std::vector<ColorSuggestion>& suggestions) {
return NULL;
}
void WebContentsDelegate::RequestMediaAccessPermission(
WebContents* web_contents,
const MediaStreamRequest& request,
const MediaResponseCallback& callback) {
callback.Run(MediaStreamDevices(), scoped_ptr<MediaStreamUI>());
}
bool WebContentsDelegate::RequestPpapiBrokerPermission(
WebContents* web_contents,
const GURL& url,
const base::FilePath& plugin_path,
const base::Callback<void(bool)>& callback) {
return false;
}
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);
}
gfx::Size WebContentsDelegate::GetSizeForNewRenderView(
const WebContents* web_contents) const {
return gfx::Size();
}
} // namespace content
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