| /* |
| * Copyright (C) 2012 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "web/WebHelperPluginImpl.h" |
| |
| #include "core/html/HTMLObjectElement.h" |
| #include "core/loader/FrameLoader.h" |
| #include "core/loader/FrameLoaderClient.h" |
| #include "public/web/WebPlugin.h" |
| #include "web/WebLocalFrameImpl.h" |
| #include "web/WebPluginContainerImpl.h" |
| |
| namespace blink { |
| |
| DEFINE_TYPE_CASTS(WebHelperPluginImpl, WebHelperPlugin, plugin, true, true); |
| |
| WebHelperPlugin* WebHelperPlugin::create(const WebString& pluginType, WebLocalFrame* frame) |
| { |
| WebHelperPluginUniquePtr plugin(new WebHelperPluginImpl()); |
| if (!toWebHelperPluginImpl(plugin.get())->initialize(pluginType, toWebLocalFrameImpl(frame))) |
| return 0; |
| return plugin.release(); |
| } |
| |
| WebHelperPluginImpl::WebHelperPluginImpl() |
| : m_destructionTimer(this, &WebHelperPluginImpl::reallyDestroy) |
| { |
| } |
| |
| WebHelperPluginImpl::~WebHelperPluginImpl() |
| { |
| // TODO(Oilpan): it is potentially problematic to support plugin |
| // disposal during an Oilpan GC. If it happens, we need to know |
| // and evaluate possible ways to handle it. |
| DCHECK(!ThreadState::current()->sweepForbidden()); |
| if (m_pluginContainer) |
| m_pluginContainer->dispose(); |
| } |
| |
| bool WebHelperPluginImpl::initialize(const String& pluginType, WebLocalFrameImpl* frame) |
| { |
| DCHECK(!m_objectElement && !m_pluginContainer); |
| if (!frame->frame()->loader().client()) |
| return false; |
| |
| m_objectElement = HTMLObjectElement::create(*frame->frame()->document(), 0, false); |
| Vector<String> attributeNames; |
| Vector<String> attributeValues; |
| DCHECK(frame->frame()->document()->url().isValid()); |
| m_pluginContainer = toWebPluginContainerImpl(frame->frame()->loader().client()->createPlugin( |
| m_objectElement.get(), |
| frame->frame()->document()->url(), |
| attributeNames, |
| attributeValues, |
| pluginType, |
| false, |
| FrameLoaderClient::AllowDetachedPlugin)); |
| |
| if (!m_pluginContainer) |
| return false; |
| |
| // Getting a placeholder plugin is also failure, since it's not the plugin the caller needed. |
| return !getPlugin()->isPlaceholder(); |
| } |
| |
| void WebHelperPluginImpl::reallyDestroy(Timer<WebHelperPluginImpl>*) |
| { |
| delete this; |
| } |
| |
| void WebHelperPluginImpl::destroy() |
| { |
| // Defer deletion so we don't do too much work when called via stopActiveDOMObjects(). |
| // FIXME: It's not clear why we still need this. The original code held a Page and a |
| // WebFrame, and destroying it would cause JavaScript triggered by frame detach to run, |
| // which isn't allowed inside stopActiveDOMObjects(). Removing this causes one Chrome test |
| // to fail with a timeout. |
| m_destructionTimer.startOneShot(0, BLINK_FROM_HERE); |
| } |
| |
| WebPlugin* WebHelperPluginImpl::getPlugin() |
| { |
| DCHECK(m_pluginContainer); |
| DCHECK(m_pluginContainer->plugin()); |
| return m_pluginContainer->plugin(); |
| } |
| |
| } // namespace blink |