| /* |
| * Copyright (C) 2012 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_SVG_GRAPHICS_SVG_IMAGE_CHROME_CLIENT_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_SVG_GRAPHICS_SVG_IMAGE_CHROME_CLIENT_H_ |
| |
| #include <memory> |
| #include "base/gtest_prod_util.h" |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/loader/empty_clients.h" |
| #include "third_party/blink/renderer/platform/heap/disallow_new_wrapper.h" |
| #include "third_party/blink/renderer/platform/timer.h" |
| #include "third_party/blink/renderer/platform/wtf/casting.h" |
| |
| namespace blink { |
| |
| class SVGImage; |
| |
| class CORE_EXPORT SVGImageChromeClient final : public EmptyChromeClient { |
| public: |
| explicit SVGImageChromeClient(SVGImage*); |
| |
| void InitAnimationTimer( |
| scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner); |
| |
| bool IsSVGImageChromeClient() const override; |
| |
| SVGImage* GetImage() const { return image_; } |
| |
| void SuspendAnimation(); |
| void ResumeAnimation(); |
| void RestoreAnimationIfNeeded(); |
| |
| bool IsSuspended() const { return timeline_state_ >= kSuspended; } |
| |
| void Trace(Visitor*) const final; |
| |
| private: |
| void ChromeDestroyed() override; |
| void InvalidateRect(const IntRect&) override; |
| void ScheduleAnimation(const LocalFrameView*, |
| base::TimeDelta = base::TimeDelta()) override; |
| |
| void SetTimerForTesting( |
| DisallowNewWrapper<HeapTaskRunnerTimer<SVGImageChromeClient>>*); |
| TimerBase& GetTimerForTesting() const { return animation_timer_->Value(); } |
| void AnimationTimerFired(TimerBase*); |
| |
| SVGImage* image_; |
| Member<DisallowNewWrapper<HeapTaskRunnerTimer<SVGImageChromeClient>>> |
| animation_timer_; |
| enum { |
| kRunning, |
| kSuspended, |
| kSuspendedWithAnimationPending, |
| } timeline_state_; |
| |
| FRIEND_TEST_ALL_PREFIXES(SVGImageTest, TimelineSuspendAndResume); |
| FRIEND_TEST_ALL_PREFIXES(SVGImageTest, ResetAnimation); |
| FRIEND_TEST_ALL_PREFIXES(SVGImageSimTest, PageVisibilityHiddenToVisible); |
| }; |
| |
| template <> |
| struct DowncastTraits<SVGImageChromeClient> { |
| static bool AllowFrom(const ChromeClient& client) { |
| return client.IsSVGImageChromeClient(); |
| } |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_SVG_GRAPHICS_SVG_IMAGE_CHROME_CLIENT_H_ |