diff options
Diffstat (limited to 'cc/pinch_zoom_viewport.h')
| -rw-r--r-- | cc/pinch_zoom_viewport.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/cc/pinch_zoom_viewport.h b/cc/pinch_zoom_viewport.h index 0b55a3f..9efe386 100644 --- a/cc/pinch_zoom_viewport.h +++ b/cc/pinch_zoom_viewport.h @@ -47,9 +47,10 @@ class CC_EXPORT PinchZoomViewport { float min_page_scale_factor, float max_page_scale_factor); - // Returns the bounds and offset of the scaled and translated viewport to use - // for pinch-zoom. - gfx::RectF Bounds() const; + // Returns the zoomed viewport in layout space. The rect's position is an + // offset from the root layer's scroll position (therefore, zero if fully + // zoomed out). + gfx::RectF ZoomedViewport() const; const gfx::Vector2dF& zoomed_viewport_offset() const { return zoomed_viewport_offset_; @@ -58,6 +59,12 @@ class CC_EXPORT PinchZoomViewport { void set_layout_viewport_size(const gfx::SizeF& size) { layout_viewport_size_ = size; } + // We need to store device_viewport_size separately because in mobile + // fixed-layout mode, there is not necessarily a simple mapping between layout + // viewport size and device viewport size. + void set_device_viewport_size(const gfx::SizeF& size) { + device_viewport_size_ = size; + } // Apply the scroll offset in layout space to the offset of the pinch-zoom // viewport. The viewport cannot be scrolled outside of the layout viewport @@ -81,6 +88,7 @@ class CC_EXPORT PinchZoomViewport { gfx::Vector2dF zoomed_viewport_offset_; gfx::SizeF layout_viewport_size_; + gfx::SizeF device_viewport_size_; }; } // namespace cc |