electron/atom/browser/web_view_manager.cc
2015-04-21 18:56:08 +08:00

102 lines
3.4 KiB
C++

// Copyright (c) 2014 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/browser/web_view_manager.h"
#include "atom/browser/atom_browser_context.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/web_contents.h"
namespace atom {
// static
bool WebViewManager::GetInfoForProcess(content::RenderProcessHost* process,
WebViewInfo* info) {
if (!process)
return false;
auto context = process->GetBrowserContext();
if (!context)
return false;
auto manager = context->GetGuestManager();
if (!manager)
return false;
return static_cast<WebViewManager*>(manager)->GetInfo(process->GetID(), info);
}
WebViewManager::WebViewManager(content::BrowserContext* context) {
}
WebViewManager::~WebViewManager() {
}
void WebViewManager::AddGuest(int guest_instance_id,
int element_instance_id,
content::WebContents* embedder,
content::WebContents* web_contents,
const WebViewInfo& info) {
base::AutoLock auto_lock(lock_);
web_contents_embdder_map_[guest_instance_id] = { web_contents, embedder };
int guest_process_id = web_contents->GetRenderProcessHost()->GetID();
webview_info_map_[guest_process_id] = info;
// Map the element in embedder to guest.
int owner_process_id = embedder->GetRenderProcessHost()->GetID();
ElementInstanceKey key(owner_process_id, element_instance_id);
element_instance_id_to_guest_map_[key] = guest_instance_id;
}
void WebViewManager::RemoveGuest(int guest_instance_id) {
base::AutoLock auto_lock(lock_);
if (!ContainsKey(web_contents_embdder_map_, guest_instance_id))
return;
auto web_contents = web_contents_embdder_map_[guest_instance_id].web_contents;
web_contents_embdder_map_.erase(guest_instance_id);
int guest_process_id = web_contents->GetRenderProcessHost()->GetID();
webview_info_map_.erase(guest_process_id);
// Remove the record of element in embedder too.
for (const auto& element : element_instance_id_to_guest_map_)
if (element.second == guest_instance_id) {
element_instance_id_to_guest_map_.erase(element.first);
break;
}
}
bool WebViewManager::GetInfo(int guest_process_id, WebViewInfo* webview_info) {
base::AutoLock auto_lock(lock_);
WebViewInfoMap::iterator iter = webview_info_map_.find(guest_process_id);
if (iter != webview_info_map_.end()) {
*webview_info = iter->second;
return true;
}
return false;
}
content::WebContents* WebViewManager::GetGuestByInstanceID(
int owner_process_id,
int element_instance_id) {
ElementInstanceKey key(owner_process_id, element_instance_id);
if (!ContainsKey(element_instance_id_to_guest_map_, key))
return nullptr;
int guest_instance_id = element_instance_id_to_guest_map_[key];
if (ContainsKey(web_contents_embdder_map_, guest_instance_id))
return web_contents_embdder_map_[guest_instance_id].web_contents;
else
return nullptr;
}
bool WebViewManager::ForEachGuest(content::WebContents* embedder_web_contents,
const GuestCallback& callback) {
for (auto& item : web_contents_embdder_map_)
if (item.second.embedder == embedder_web_contents &&
callback.Run(item.second.web_contents))
return true;
return false;
}
} // namespace atom