From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 widget/PluginWidgetProxy.cpp | 195 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 195 insertions(+)
 create mode 100644 widget/PluginWidgetProxy.cpp

(limited to 'widget/PluginWidgetProxy.cpp')

diff --git a/widget/PluginWidgetProxy.cpp b/widget/PluginWidgetProxy.cpp
new file mode 100644
index 000000000..679bf29e3
--- /dev/null
+++ b/widget/PluginWidgetProxy.cpp
@@ -0,0 +1,195 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "PluginWidgetProxy.h"
+#include "mozilla/dom/TabChild.h"
+#include "mozilla/plugins/PluginWidgetChild.h"
+#include "mozilla/plugins/PluginInstanceParent.h"
+#include "nsDebug.h"
+
+#define PWLOG(...)
+// #define PWLOG(...) printf_stderr(__VA_ARGS__)
+
+/* static */
+already_AddRefed<nsIWidget>
+nsIWidget::CreatePluginProxyWidget(TabChild* aTabChild,
+                                   mozilla::plugins::PluginWidgetChild* aActor)
+{
+  nsCOMPtr<nsIWidget> widget =
+    new mozilla::widget::PluginWidgetProxy(aTabChild, aActor);
+  return widget.forget();
+}
+
+namespace mozilla {
+namespace widget {
+
+using mozilla::plugins::PluginInstanceParent;
+
+NS_IMPL_ISUPPORTS_INHERITED(PluginWidgetProxy, PuppetWidget, nsIWidget)
+
+#define ENSURE_CHANNEL do {                                   \
+  if (!mActor) {                                              \
+    NS_WARNING("called on an invalid channel.");              \
+    return NS_ERROR_FAILURE;                                  \
+  }                                                           \
+} while (0)
+
+PluginWidgetProxy::PluginWidgetProxy(dom::TabChild* aTabChild,
+                                     mozilla::plugins::PluginWidgetChild* aActor) :
+  PuppetWidget(aTabChild),
+  mActor(aActor),
+  mCachedPluginPort(0)
+{
+  // See ChannelDestroyed() in the header
+  mActor->SetWidget(this);
+}
+
+PluginWidgetProxy::~PluginWidgetProxy()
+{
+  PWLOG("PluginWidgetProxy::~PluginWidgetProxy()\n");
+}
+
+nsresult
+PluginWidgetProxy::Create(nsIWidget* aParent,
+                          nsNativeWidget aNativeParent,
+                          const LayoutDeviceIntRect& aRect,
+                          nsWidgetInitData* aInitData)
+{
+  ENSURE_CHANNEL;
+  PWLOG("PluginWidgetProxy::Create()\n");
+
+  nsresult rv = NS_ERROR_UNEXPECTED;
+  uint64_t scrollCaptureId;
+  uintptr_t pluginInstanceId;
+  mActor->SendCreate(&rv, &scrollCaptureId, &pluginInstanceId);
+  if (NS_FAILED(rv)) {
+    NS_WARNING("failed to create chrome widget, plugins won't paint.");
+    return rv;
+  }
+
+  BaseCreate(aParent, aInitData);
+  mParent = aParent;
+
+  mBounds = aRect;
+  mEnabled = true;
+  mVisible = true;
+
+#if defined(XP_WIN)
+  PluginInstanceParent* instance =
+    PluginInstanceParent::LookupPluginInstanceByID(pluginInstanceId);
+  if (instance) {
+    Unused << NS_WARN_IF(NS_FAILED(instance->SetScrollCaptureId(scrollCaptureId)));
+  }
+#endif
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+PluginWidgetProxy::SetParent(nsIWidget* aNewParent)
+{
+  nsCOMPtr<nsIWidget> kungFuDeathGrip(this);
+  nsIWidget* parent = GetParent();
+  if (parent) {
+    parent->RemoveChild(this);
+  }
+  if (aNewParent) {
+    aNewParent->AddChild(this);
+  }
+  mParent = aNewParent;
+  return NS_OK;
+}
+
+nsIWidget*
+PluginWidgetProxy::GetParent(void)
+{
+  return mParent.get();
+}
+
+void
+PluginWidgetProxy::Destroy()
+{
+  PWLOG("PluginWidgetProxy::Destroy()\n");
+
+  if (mActor) {
+    // Communicate that the layout widget has been torn down before the sub
+    // protocol.
+    mActor->ProxyShutdown();
+    mActor = nullptr;
+  }
+
+  PuppetWidget::Destroy();
+}
+
+void
+PluginWidgetProxy::GetWindowClipRegion(nsTArray<LayoutDeviceIntRect>* aRects)
+{
+  if (mClipRects && mClipRectCount) {
+    aRects->AppendElements(mClipRects.get(), mClipRectCount);
+  }
+}
+
+void*
+PluginWidgetProxy::GetNativeData(uint32_t aDataType)
+{
+  if (!mActor) {
+    return nullptr;
+  }
+  auto tab = static_cast<mozilla::dom::TabChild*>(mActor->Manager());
+  if (tab && tab->IsDestroyed()) {
+    return nullptr;
+  }
+  switch (aDataType) {
+    case NS_NATIVE_PLUGIN_PORT:
+    case NS_NATIVE_WINDOW:
+    case NS_NATIVE_SHAREABLE_WINDOW:
+      break;
+    default:
+      NS_WARNING("PluginWidgetProxy::GetNativeData received request for unsupported data type.");
+      return nullptr;
+  }
+  // The parent side window handle or xid never changes so we can
+  // cache this for our lifetime.
+  if (mCachedPluginPort) {
+    return (void*)mCachedPluginPort;
+  }
+  mActor->SendGetNativePluginPort(&mCachedPluginPort);
+  PWLOG("PluginWidgetProxy::GetNativeData %p\n", (void*)mCachedPluginPort);
+  return (void*)mCachedPluginPort;
+}
+
+#if defined(XP_WIN)
+void
+PluginWidgetProxy::SetNativeData(uint32_t aDataType, uintptr_t aVal)
+{
+  if (!mActor) {
+    return;
+  }
+
+  auto tab = static_cast<mozilla::dom::TabChild*>(mActor->Manager());
+  if (tab && tab->IsDestroyed()) {
+    return;
+  }
+
+  switch (aDataType) {
+    case NS_NATIVE_CHILD_WINDOW:
+      mActor->SendSetNativeChildWindow(aVal);
+      break;
+    default:
+      NS_ERROR("SetNativeData called with unsupported data type.");
+  }
+}
+#endif
+
+NS_IMETHODIMP
+PluginWidgetProxy::SetFocus(bool aRaise)
+{
+  ENSURE_CHANNEL;
+  PWLOG("PluginWidgetProxy::SetFocus(%d)\n", aRaise);
+  mActor->SendSetFocus(aRaise);
+  return NS_OK;
+}
+
+} // namespace widget
+} // namespace mozilla
-- 
cgit v1.2.3