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External view embedder can tell if embedded views have mutated #9653

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iskakaushik merged 9 commits into from
Jul 3, 2019
Merged

External view embedder can tell if embedded views have mutated #9653

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cb61803
refactoring to move the mutator stack handling to preroll
Jul 2, 2019
d1d557c
merge
Jul 2, 2019
cd048b3
more review fixes
Jul 2, 2019
682dfb5
Merge branch 'master' of github.com:flutter/engine into pr/9651
Jul 2, 2019
c14c832
Add support for external view embedded to know if it has changed
Jul 2, 2019
22c5eb7
Merge branch 'master' of github.com:flutter/engine into embedded_view…
Jul 2, 2019
556d83f
remove the need to reset
Jul 2, 2019
de884bc
address comments
Jul 3, 2019
49c7eef
Rename to HasPendingViewOperations
Jul 3, 2019
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4 changes: 4 additions & 0 deletions flow/embedded_views.h
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Original file line number Diff line number Diff line change
Expand Up @@ -183,6 +183,10 @@ class ExternalViewEmbedder {
public:
ExternalViewEmbedder() = default;

// This will return true after pre-roll if any of the embedded views
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@amirh amirh Jul 3, 2019

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Doesn't have to be in this PR, but we will need a way to clear active_composition_order_ if we're redoing the frame, maybe by adding something like CancelFrame here?

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@iskakaushik iskakaushik Jul 3, 2019

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Yup, will do it as a follow-up PR.

// have mutated for last layer tree.
virtual bool HasPendingViewOperations() = 0;

virtual void BeginFrame(SkISize frame_size) = 0;

virtual void PrerollCompositeEmbeddedView(
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7 changes: 7 additions & 0 deletions shell/platform/darwin/ios/framework/Source/FlutterPlatformViews.mm
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Expand Up @@ -160,6 +160,13 @@
frame_size_ = frame_size;
}

bool FlutterPlatformViewsController::HasPendingViewOperations() {
if (!views_to_recomposite_.empty()) {
return true;
}
return active_composition_order_ != composition_order_;
}

void FlutterPlatformViewsController::PrerollCompositeEmbeddedView(
int view_id,
std::unique_ptr<EmbeddedViewParams> params) {
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2 changes: 2 additions & 0 deletions shell/platform/darwin/ios/framework/Source/FlutterPlatformViews_Internal.h
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Expand Up @@ -79,6 +79,8 @@ class FlutterPlatformViewsController {

void SetFrameSize(SkISize frame_size);

bool HasPendingViewOperations();

void PrerollCompositeEmbeddedView(int view_id,
std::unique_ptr<flutter::EmbeddedViewParams> params);

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3 changes: 3 additions & 0 deletions shell/platform/darwin/ios/ios_surface_gl.h
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Expand Up @@ -51,6 +51,9 @@ class IOSSurfaceGL final : public IOSSurface,
// |GPUSurfaceGLDelegate|
flutter::ExternalViewEmbedder* GetExternalViewEmbedder() override;

// |flutter::ExternalViewEmbedder|
bool HasPendingViewOperations() override;

// |flutter::ExternalViewEmbedder|
void BeginFrame(SkISize frame_size) override;

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6 changes: 6 additions & 0 deletions shell/platform/darwin/ios/ios_surface_gl.mm
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Expand Up @@ -82,6 +82,12 @@
}
}

bool IOSSurfaceGL::HasPendingViewOperations() {
FlutterPlatformViewsController* platform_views_controller = GetPlatformViewsController();
FML_CHECK(platform_views_controller != nullptr);
return platform_views_controller->HasPendingViewOperations();
}

void IOSSurfaceGL::BeginFrame(SkISize frame_size) {
FlutterPlatformViewsController* platform_views_controller = GetPlatformViewsController();
FML_CHECK(platform_views_controller != nullptr);
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3 changes: 3 additions & 0 deletions shell/platform/darwin/ios/ios_surface_software.h
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Expand Up @@ -45,6 +45,9 @@ class IOSSurfaceSoftware final : public IOSSurface,
// |GPUSurfaceSoftwareDelegate|
flutter::ExternalViewEmbedder* GetExternalViewEmbedder() override;

// |flutter::ExternalViewEmbedder|
bool HasPendingViewOperations() override;

// |flutter::ExternalViewEmbedder|
void BeginFrame(SkISize frame_size) override;

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6 changes: 6 additions & 0 deletions shell/platform/darwin/ios/ios_surface_software.mm
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Expand Up @@ -135,6 +135,12 @@
}
}

bool IOSSurfaceSoftware::HasPendingViewOperations() {
FlutterPlatformViewsController* platform_views_controller = GetPlatformViewsController();
FML_CHECK(platform_views_controller != nullptr);
return platform_views_controller->HasPendingViewOperations();
}

void IOSSurfaceSoftware::BeginFrame(SkISize frame_size) {
FlutterPlatformViewsController* platform_views_controller = GetPlatformViewsController();
FML_CHECK(platform_views_controller != nullptr);
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