101 lines
4.4 KiB
Diff
101 lines
4.4 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 a3f8485e40bbc..dc8c1aa898f72 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 44d0b99677a74..843c49ccaecc3 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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@@ -228,6 +228,8 @@ 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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std::move(callback).Run(std::move(owned_this),
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WebContents::CreateWithSessionStorage(
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params, owner_web_contents()
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@@ -236,6 +238,10 @@ 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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GetController().LoadURL(stream_->handler_url(), content::Referrer(),
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ui::PAGE_TRANSITION_AUTO_TOPLEVEL, std::string());
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@@ -497,6 +503,14 @@ void MimeHandlerViewGuest::DidFinishNavigation(
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}
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}
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+void MimeHandlerViewGuest::WebContentsDestroyed() {
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+ if (is_guest_attached_ && delegate_)
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+ delegate_->OnGuestDetached();
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+
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+ // May delete |this|.
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+ GuestView<MimeHandlerViewGuest>::WebContentsDestroyed();
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+}
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+
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void MimeHandlerViewGuest::FuseBeforeUnloadControl(
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mojo::PendingReceiver<mime_handler::BeforeUnloadControl> receiver) {
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if (!pending_before_unload_control_)
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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 2ade4d0b28ba4..8ba6293863a93 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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@@ -196,6 +196,7 @@ class MimeHandlerViewGuest
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void ReadyToCommitNavigation(
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content::NavigationHandle* navigation_handle) final;
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void DidFinishNavigation(content::NavigationHandle* navigation_handle) final;
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+ void WebContentsDestroyed() override;
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std::unique_ptr<MimeHandlerViewGuestDelegate> delegate_;
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std::unique_ptr<StreamContainer> stream_;
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@@ -204,6 +205,7 @@ 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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