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content / browser / screen_orientation / screen_orientation_provider.cc [blame]
// Copyright 2014 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/screen_orientation/screen_orientation_provider.h"
#include <utility>
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/screen_orientation_delegate.h"
#include "content/public/browser/web_contents.h"
namespace content {
using device::mojom::ScreenOrientationLockResult;
ScreenOrientationDelegate* ScreenOrientationProvider::delegate_ = nullptr;
ScreenOrientationProvider::ScreenOrientationProvider(WebContents* web_contents)
: WebContentsObserver(web_contents),
lock_applied_(false),
receivers_(web_contents, this) {}
ScreenOrientationProvider::~ScreenOrientationProvider() = default;
void ScreenOrientationProvider::BindScreenOrientation(
RenderFrameHost* rfh,
mojo::PendingAssociatedReceiver<device::mojom::ScreenOrientation>
receiver) {
receivers_.Bind(rfh, std::move(receiver));
}
void ScreenOrientationProvider::LockOrientation(
device::mojom::ScreenOrientationLockType orientation,
LockOrientationCallback callback) {
// Cancel any pending lock request.
NotifyLockResult(ScreenOrientationLockResult::
SCREEN_ORIENTATION_LOCK_RESULT_ERROR_CANCELED);
// Record new pending lock request.
pending_callback_ = std::move(callback);
if (!delegate_ ||
!delegate_->ScreenOrientationProviderSupported(web_contents())) {
NotifyLockResult(ScreenOrientationLockResult::
SCREEN_ORIENTATION_LOCK_RESULT_ERROR_NOT_AVAILABLE);
return;
}
if (delegate_->FullScreenRequired(web_contents())) {
RenderViewHostImpl* rvhi = static_cast<RenderViewHostImpl*>(
web_contents()->GetPrimaryMainFrame()->GetRenderViewHost());
if (!rvhi) {
NotifyLockResult(ScreenOrientationLockResult::
SCREEN_ORIENTATION_LOCK_RESULT_ERROR_CANCELED);
return;
}
if (!static_cast<WebContentsImpl*>(web_contents())->IsFullscreen() &&
static_cast<WebContentsImpl*>(web_contents())->GetDisplayMode() !=
blink::mojom::DisplayMode::kFullscreen) {
NotifyLockResult(
ScreenOrientationLockResult::
SCREEN_ORIENTATION_LOCK_RESULT_ERROR_FULLSCREEN_REQUIRED);
return;
}
}
if (orientation == device::mojom::ScreenOrientationLockType::NATURAL) {
orientation = GetNaturalLockType();
if (orientation == device::mojom::ScreenOrientationLockType::DEFAULT) {
// We are in a broken state, let's pretend we got canceled.
NotifyLockResult(ScreenOrientationLockResult::
SCREEN_ORIENTATION_LOCK_RESULT_ERROR_CANCELED);
return;
}
}
lock_applied_ = true;
delegate_->Lock(web_contents(), orientation);
if (auto* view = web_contents()->GetRenderWidgetHostView())
static_cast<RenderWidgetHostViewBase*>(view)->LockOrientation(orientation);
// If the orientation we are locking to matches the current orientation, we
// should succeed immediately.
if (LockMatchesCurrentOrientation(orientation)) {
NotifyLockResult(
ScreenOrientationLockResult::SCREEN_ORIENTATION_LOCK_RESULT_SUCCESS);
return;
}
pending_lock_orientation_ = orientation;
}
void ScreenOrientationProvider::UnlockOrientation() {
// Cancel any pending lock request.
NotifyLockResult(ScreenOrientationLockResult::
SCREEN_ORIENTATION_LOCK_RESULT_ERROR_CANCELED);
if (!lock_applied_ || !delegate_)
return;
delegate_->Unlock(web_contents());
if (auto* view = web_contents()->GetRenderWidgetHostView())
static_cast<RenderWidgetHostViewBase*>(view)->UnlockOrientation();
lock_applied_ = false;
}
void ScreenOrientationProvider::OnOrientationChange() {
if (!pending_lock_orientation_.has_value())
return;
if (LockMatchesCurrentOrientation(pending_lock_orientation_.value())) {
DCHECK(!pending_callback_.is_null());
NotifyLockResult(
ScreenOrientationLockResult::SCREEN_ORIENTATION_LOCK_RESULT_SUCCESS);
}
}
void ScreenOrientationProvider::NotifyLockResult(
ScreenOrientationLockResult result) {
if (!pending_callback_.is_null())
std::move(pending_callback_).Run(result);
pending_lock_orientation_.reset();
}
void ScreenOrientationProvider::SetDelegate(
ScreenOrientationDelegate* delegate) {
delegate_ = delegate;
}
ScreenOrientationDelegate* ScreenOrientationProvider::GetDelegateForTesting() {
return delegate_;
}
bool ScreenOrientationProvider::LockMatchesOrientation(
device::mojom::ScreenOrientationLockType lock,
display::mojom::ScreenOrientation orientation) {
switch (lock) {
case device::mojom::ScreenOrientationLockType::PORTRAIT_PRIMARY:
return orientation == display::mojom::ScreenOrientation::kPortraitPrimary;
case device::mojom::ScreenOrientationLockType::PORTRAIT_SECONDARY:
return orientation ==
display::mojom::ScreenOrientation::kPortraitSecondary;
case device::mojom::ScreenOrientationLockType::LANDSCAPE_PRIMARY:
return orientation ==
display::mojom::ScreenOrientation::kLandscapePrimary;
case device::mojom::ScreenOrientationLockType::LANDSCAPE_SECONDARY:
return orientation ==
display::mojom::ScreenOrientation::kLandscapeSecondary;
case device::mojom::ScreenOrientationLockType::LANDSCAPE:
return orientation ==
display::mojom::ScreenOrientation::kLandscapePrimary ||
orientation ==
display::mojom::ScreenOrientation::kLandscapeSecondary;
case device::mojom::ScreenOrientationLockType::PORTRAIT:
return orientation ==
display::mojom::ScreenOrientation::kPortraitPrimary ||
orientation ==
display::mojom::ScreenOrientation::kPortraitSecondary;
case device::mojom::ScreenOrientationLockType::ANY:
return true;
case device::mojom::ScreenOrientationLockType::NATURAL:
case device::mojom::ScreenOrientationLockType::DEFAULT:
return false;
}
return false;
}
void ScreenOrientationProvider::DidToggleFullscreenModeForTab(
bool entered_fullscreen,
bool will_cause_resize) {
if (!lock_applied_ || !delegate_)
return;
// If fullscreen is not required in order to lock orientation, don't unlock
// when fullscreen state changes.
if (!delegate_->FullScreenRequired(web_contents()))
return;
DCHECK(!entered_fullscreen);
UnlockOrientation();
}
void ScreenOrientationProvider::PrimaryPageChanged(Page& page) {
UnlockOrientation();
}
device::mojom::ScreenOrientationLockType
ScreenOrientationProvider::GetNaturalLockType() const {
RenderWidgetHost* rwh =
web_contents()->GetPrimaryMainFrame()->GetRenderViewHost()->GetWidget();
if (!rwh)
return device::mojom::ScreenOrientationLockType::DEFAULT;
display::ScreenInfo screen_info = rwh->GetScreenInfo();
switch (screen_info.orientation_type) {
case display::mojom::ScreenOrientation::kPortraitPrimary:
case display::mojom::ScreenOrientation::kPortraitSecondary:
if (screen_info.orientation_angle == 0 ||
screen_info.orientation_angle == 180) {
return device::mojom::ScreenOrientationLockType::PORTRAIT_PRIMARY;
}
return device::mojom::ScreenOrientationLockType::LANDSCAPE_PRIMARY;
case display::mojom::ScreenOrientation::kLandscapePrimary:
case display::mojom::ScreenOrientation::kLandscapeSecondary:
if (screen_info.orientation_angle == 0 ||
screen_info.orientation_angle == 180) {
return device::mojom::ScreenOrientationLockType::LANDSCAPE_PRIMARY;
}
return device::mojom::ScreenOrientationLockType::PORTRAIT_PRIMARY;
default:
break;
}
NOTREACHED_IN_MIGRATION();
return device::mojom::ScreenOrientationLockType::DEFAULT;
}
bool ScreenOrientationProvider::LockMatchesCurrentOrientation(
device::mojom::ScreenOrientationLockType lock) {
RenderWidgetHost* rwh =
web_contents()->GetPrimaryMainFrame()->GetRenderViewHost()->GetWidget();
if (!rwh)
return false;
display::ScreenInfo screen_info = rwh->GetScreenInfo();
if (lock == device::mojom::ScreenOrientationLockType::NATURAL ||
lock == device::mojom::ScreenOrientationLockType::DEFAULT) {
NOTREACHED_IN_MIGRATION();
}
return LockMatchesOrientation(lock, screen_info.orientation_type);
}
} // namespace content