98 lines
4.1 KiB
Diff
98 lines
4.1 KiB
Diff
diff --git content/browser/web_contents/web_contents_view.h content/browser/web_contents/web_contents_view.h
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index 031dd5eeaef8e..25c2f0e42e22b 100644
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--- content/browser/web_contents/web_contents_view.h
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+++ content/browser/web_contents/web_contents_view.h
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@@ -25,7 +25,7 @@ struct DropData;
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// The `WebContentsView` is an interface that is implemented by the platform-
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// dependent web contents views. The `WebContents` uses this interface to talk
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// to them.
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-class WebContentsView {
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+class CONTENT_EXPORT WebContentsView {
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public:
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virtual ~WebContentsView() = default;
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diff --git extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc
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index 6e0cb46a6b913..2c10a5f9acfb4 100644
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--- extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc
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+++ extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc
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@@ -225,6 +225,8 @@ void MimeHandlerViewGuest::CreateWebContents(
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WebContents::CreateParams params(browser_context(),
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guest_site_instance.get());
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params.guest_delegate = this;
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+ if (delegate_)
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+ delegate_->OverrideWebContentsCreateParams(¶ms);
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// TODO(erikchen): Fix ownership semantics for guest views.
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// https://crbug.com/832879.
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std::move(callback).Run(
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@@ -235,6 +237,10 @@ void MimeHandlerViewGuest::CreateWebContents(
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}
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void MimeHandlerViewGuest::DidAttachToEmbedder() {
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+ is_guest_attached_ = true;
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+ if (delegate_)
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+ delegate_->OnGuestAttached();
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+
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DCHECK(stream_->handler_url().SchemeIs(extensions::kExtensionScheme));
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web_contents()->GetController().LoadURL(
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stream_->handler_url(), content::Referrer(),
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@@ -261,6 +267,11 @@ bool MimeHandlerViewGuest::ZoomPropagatesFromEmbedderToGuest() const {
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return false;
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}
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+void MimeHandlerViewGuest::WillDestroy() {
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+ if (is_guest_attached_ && delegate_)
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+ delegate_->OnGuestDetached();
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+}
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+
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WebContents* MimeHandlerViewGuest::OpenURLFromTab(
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WebContents* source,
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const content::OpenURLParams& params) {
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diff --git extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h
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index 33bb494fb68d1..9236cf3fd98bf 100644
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--- extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h
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+++ extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h
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@@ -142,6 +142,7 @@ class MimeHandlerViewGuest
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void DidInitialize(const base::Value::Dict& create_params) final;
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void EmbedderFullscreenToggled(bool entered_fullscreen) final;
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bool ZoomPropagatesFromEmbedderToGuest() const final;
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+ void WillDestroy() override;
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// WebContentsDelegate implementation.
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content::WebContents* OpenURLFromTab(
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@@ -199,6 +200,7 @@ class MimeHandlerViewGuest
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content::ChildProcessHost::kInvalidUniqueID, MSG_ROUTING_NONE};
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int embedder_widget_routing_id_ = MSG_ROUTING_NONE;
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+ bool is_guest_attached_ = false;
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bool is_guest_fullscreen_ = false;
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bool is_embedder_fullscreen_ = false;
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bool plugin_can_save_ = false;
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diff --git extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h
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index 7f59e7925084e..777b8a3cf103a 100644
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--- extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h
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+++ extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h
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@@ -7,6 +7,8 @@
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#include <string>
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+#include "content/public/browser/web_contents.h"
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+
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namespace content {
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class RenderFrameHost;
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struct ContextMenuParams;
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@@ -25,6 +27,14 @@ class MimeHandlerViewGuestDelegate {
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virtual ~MimeHandlerViewGuestDelegate() {}
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+ // Provides an opportunity to supply a custom view implementation.
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+ virtual void OverrideWebContentsCreateParams(
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+ content::WebContents::CreateParams* params) {}
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+
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+ // Called when a guest is attached or detached.
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+ virtual void OnGuestAttached() {}
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+ virtual void OnGuestDetached() {}
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+
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// Handles context menu, or returns false if unhandled.
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//
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// The `render_frame_host` represents the frame that requests the context menu
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