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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/eye_dropper_chooser_impl.h"
#include "base/functional/callback.h"
#include "content/browser/renderer_host/frame_tree_node.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/public/browser/eye_dropper.h"
#include "content/public/browser/eye_dropper_listener.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_delegate.h"
#include "third_party/blink/public/mojom/choosers/color_chooser.mojom.h"
namespace content {
// static
void EyeDropperChooserImpl::Create(
RenderFrameHost* render_frame_host,
mojo::PendingReceiver<blink::mojom::EyeDropperChooser> receiver) {
CHECK(render_frame_host);
// Renderer process should already check for user activation before sending
// this request. Double check in case of compromised renderer and consume
// the activation.
if (!static_cast<RenderFrameHostImpl*>(render_frame_host)
->frame_tree_node()
->UpdateUserActivationState(
blink::mojom::UserActivationUpdateType::
kConsumeTransientActivation,
blink::mojom::UserActivationNotificationType::kNone)) {
return;
}
new EyeDropperChooserImpl(*render_frame_host, std::move(receiver));
}
EyeDropperChooserImpl::EyeDropperChooserImpl(
RenderFrameHost& render_frame_host,
mojo::PendingReceiver<blink::mojom::EyeDropperChooser> receiver)
: DocumentService(render_frame_host, std::move(receiver)) {}
EyeDropperChooserImpl::~EyeDropperChooserImpl() {
if (callback_)
std::move(callback_).Run(/*success=*/false, /*color=*/0);
}
void EyeDropperChooserImpl::Choose(ChooseCallback callback) {
if (callback_ || eye_dropper_) {
std::move(callback).Run(/*success=*/false, /*color=*/0);
return;
}
callback_ = std::move(callback);
WebContents* web_contents =
WebContents::FromRenderFrameHost(&render_frame_host());
if (WebContentsDelegate* delegate = web_contents->GetDelegate())
eye_dropper_ = delegate->OpenEyeDropper(&render_frame_host(), this);
if (!eye_dropper_) {
// Color selection wasn't successful since the eye dropper can't be opened.
ColorSelectionCanceled();
}
}
void EyeDropperChooserImpl::ColorSelected(SkColor color) {
eye_dropper_.reset();
std::move(callback_).Run(/*success=*/true, color);
}
void EyeDropperChooserImpl::ColorSelectionCanceled() {
eye_dropper_.reset();
std::move(callback_).Run(/*success=*/false, /*color=*/0);
}
} // namespace content
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